diff --git a/Lib/StringIO.py b/Lib/StringIO.py
index 5c463fb..1e5f254 100644
--- a/Lib/StringIO.py
+++ b/Lib/StringIO.py
@@ -72,8 +72,7 @@
         method is called repeatedly. This method returns the next input line,
         or raises StopIteration when EOF is hit.
         """
-        if self.closed:
-            raise StopIteration
+        _complain_ifclosed(self.closed)
         r = self.readline()
         if not r:
             raise StopIteration
diff --git a/Lib/codecs.py b/Lib/codecs.py
index 6895a22..28856c7 100644
--- a/Lib/codecs.py
+++ b/Lib/codecs.py
@@ -73,6 +73,23 @@
 
 ### Codec base classes (defining the API)
 
+class CodecInfo(tuple):
+
+    def __new__(cls, encode, decode, streamreader=None, streamwriter=None,
+        incrementalencoder=None, incrementaldecoder=None, name=None):
+        self = tuple.__new__(cls, (encode, decode, streamreader, streamwriter))
+        self.name = name
+        self.encode = encode
+        self.decode = decode
+        self.incrementalencoder = incrementalencoder
+        self.incrementaldecoder = incrementaldecoder
+        self.streamwriter = streamwriter
+        self.streamreader = streamreader
+        return self
+
+    def __repr__(self):
+        return "<%s.%s object for encoding %s at 0x%x>" % (self.__class__.__module__, self.__class__.__name__, self.name, id(self))
+
 class Codec:
 
     """ Defines the interface for stateless encoders/decoders.
@@ -137,6 +154,88 @@
         """
         raise NotImplementedError
 
+class IncrementalEncoder(object):
+    """
+    A IncrementalEncoder encodes an input in multiple steps. The input can be
+    passed piece by piece to the encode() method. The IncrementalEncoder remembers
+    the state of the Encoding process between calls to encode().
+    """
+    def __init__(self, errors='strict'):
+        """
+        Creates a IncrementalEncoder instance.
+
+        The IncrementalEncoder may use different error handling schemes by
+        providing the errors keyword argument. See the module docstring
+        for a list of possible values.
+        """
+        self.errors = errors
+        self.buffer = ""
+
+    def encode(self, input, final=False):
+        """
+        Encodes input and returns the resulting object.
+        """
+        raise NotImplementedError
+
+    def reset(self):
+        """
+        Resets the encoder to the initial state.
+        """
+
+class IncrementalDecoder(object):
+    """
+    An IncrementalDecoder decodes an input in multiple steps. The input can be
+    passed piece by piece to the decode() method. The IncrementalDecoder
+    remembers the state of the decoding process between calls to decode().
+    """
+    def __init__(self, errors='strict'):
+        """
+        Creates a IncrementalDecoder instance.
+
+        The IncrementalDecoder may use different error handling schemes by
+        providing the errors keyword argument. See the module docstring
+        for a list of possible values.
+        """
+        self.errors = errors
+
+    def decode(self, input, final=False):
+        """
+        Decodes input and returns the resulting object.
+        """
+        raise NotImplementedError
+
+    def reset(self):
+        """
+        Resets the decoder to the initial state.
+        """
+
+class BufferedIncrementalDecoder(IncrementalDecoder):
+    """
+    This subclass of IncrementalDecoder can be used as the baseclass for an
+    incremental decoder if the decoder must be able to handle incomplete byte
+    sequences.
+    """
+    def __init__(self, errors='strict'):
+        IncrementalDecoder.__init__(self, errors)
+        self.buffer = "" # undecoded input that is kept between calls to decode()
+
+    def _buffer_decode(self, input, errors, final):
+        # Overwrite this method in subclasses: It must decode input
+        # and return an (output, length consumed) tuple
+        raise NotImplementedError
+
+    def decode(self, input, final=False):
+        # decode input (taking the buffer into account)
+        data = self.buffer + input
+        (result, consumed) = self._buffer_decode(data, self.errors, final)
+        # keep undecoded input until the next call
+        self.buffer = data[consumed:]
+        return result
+
+    def reset(self):
+        IncrementalDecoder.reset(self)
+        self.bytebuffer = ""
+
 #
 # The StreamWriter and StreamReader class provide generic working
 # interfaces which can be used to implement new encoding submodules
@@ -666,8 +765,8 @@
     file = __builtin__.open(filename, mode, buffering)
     if encoding is None:
         return file
-    (e, d, sr, sw) = lookup(encoding)
-    srw = StreamReaderWriter(file, sr, sw, errors)
+    info = lookup(encoding)
+    srw = StreamReaderWriter(file, info.streamreader, info.streamwriter, errors)
     # Add attributes to simplify introspection
     srw.encoding = encoding
     return srw
@@ -699,11 +798,9 @@
     """
     if file_encoding is None:
         file_encoding = data_encoding
-    encode, decode = lookup(data_encoding)[:2]
-    Reader, Writer = lookup(file_encoding)[2:]
-    sr = StreamRecoder(file,
-                       encode, decode, Reader, Writer,
-                       errors)
+    info = lookup(data_encoding)
+    sr = StreamRecoder(file, info.encode, info.decode,
+                       info.streamreader, info.streamwriter, errors)
     # Add attributes to simplify introspection
     sr.data_encoding = data_encoding
     sr.file_encoding = file_encoding
@@ -719,7 +816,7 @@
         Raises a LookupError in case the encoding cannot be found.
 
     """
-    return lookup(encoding)[0]
+    return lookup(encoding).encode
 
 def getdecoder(encoding):
 
@@ -729,7 +826,35 @@
         Raises a LookupError in case the encoding cannot be found.
 
     """
-    return lookup(encoding)[1]
+    return lookup(encoding).decode
+
+def getincrementalencoder(encoding):
+
+    """ Lookup up the codec for the given encoding and return
+        its IncrementalEncoder class or factory function.
+
+        Raises a LookupError in case the encoding cannot be found
+        or the codecs doesn't provide an incremental encoder.
+
+    """
+    encoder = lookup(encoding).incrementalencoder
+    if encoder is None:
+        raise LookupError(encoding)
+    return encoder
+
+def getincrementaldecoder(encoding):
+
+    """ Lookup up the codec for the given encoding and return
+        its IncrementalDecoder class or factory function.
+
+        Raises a LookupError in case the encoding cannot be found
+        or the codecs doesn't provide an incremental decoder.
+
+    """
+    decoder = lookup(encoding).incrementaldecoder
+    if decoder is None:
+        raise LookupError(encoding)
+    return decoder
 
 def getreader(encoding):
 
@@ -739,7 +864,7 @@
         Raises a LookupError in case the encoding cannot be found.
 
     """
-    return lookup(encoding)[2]
+    return lookup(encoding).streamreader
 
 def getwriter(encoding):
 
@@ -749,7 +874,43 @@
         Raises a LookupError in case the encoding cannot be found.
 
     """
-    return lookup(encoding)[3]
+    return lookup(encoding).streamwriter
+
+def iterencode(iterator, encoding, errors='strict', **kwargs):
+    """
+    Encoding iterator.
+
+    Encodes the input strings from the iterator using a IncrementalEncoder.
+
+    errors and kwargs are passed through to the IncrementalEncoder
+    constructor.
+    """
+    encoder = getincrementalencoder(encoding)(errors, **kwargs)
+    for input in iterator:
+        output = encoder.encode(input)
+        if output:
+            yield output
+    output = encoder.encode("", True)
+    if output:
+        yield output
+
+def iterdecode(iterator, encoding, errors='strict', **kwargs):
+    """
+    Decoding iterator.
+
+    Decodes the input strings from the iterator using a IncrementalDecoder.
+
+    errors and kwargs are passed through to the IncrementalDecoder
+    constructor.
+    """
+    decoder = getincrementaldecoder(encoding)(errors, **kwargs)
+    for input in iterator:
+        output = decoder.decode(input)
+        if output:
+            yield output
+    output = decoder.decode("", True)
+    if output:
+        yield output
 
 ### Helpers for charmap-based codecs
 
diff --git a/Lib/encodings/__init__.py b/Lib/encodings/__init__.py
index ddaacb9..1f469bf 100644
--- a/Lib/encodings/__init__.py
+++ b/Lib/encodings/__init__.py
@@ -9,9 +9,10 @@
 
     Each codec module must export the following interface:
 
-    * getregentry() -> (encoder, decoder, stream_reader, stream_writer)
-    The getregentry() API must return callable objects which adhere to
-    the Python Codec Interface Standard.
+    * getregentry() -> codecs.CodecInfo object
+    The getregentry() API must a CodecInfo object with encoder, decoder,
+    incrementalencoder, incrementaldecoder, streamwriter and streamreader
+    atttributes which adhere to the Python Codec Interface Standard.
 
     In addition, a module may optionally also define the following
     APIs which are then used by the package's codec search function:
@@ -113,16 +114,24 @@
         return None
 
     # Now ask the module for the registry entry
-    entry = tuple(getregentry())
-    if len(entry) != 4:
-        raise CodecRegistryError,\
-              'module "%s" (%s) failed to register' % \
-              (mod.__name__, mod.__file__)
-    for obj in entry:
-        if not callable(obj):
+    entry = getregentry()
+    if not isinstance(entry, codecs.CodecInfo):
+        if not 4 <= len(entry) <= 7:
             raise CodecRegistryError,\
-                  'incompatible codecs in module "%s" (%s)' % \
+                 'module "%s" (%s) failed to register' % \
                   (mod.__name__, mod.__file__)
+        if not callable(entry[0]) or \
+           not callable(entry[1]) or \
+           (entry[2] is not None and not callable(entry[2])) or \
+           (entry[3] is not None and not callable(entry[3])) or \
+           (len(entry) > 4 and entry[4] is not None and not callable(entry[4])) or \
+           (len(entry) > 5 and entry[5] is not None and not callable(entry[5])):
+            raise CodecRegistryError,\
+                'incompatible codecs in module "%s" (%s)' % \
+                (mod.__name__, mod.__file__)
+        if len(entry)<7 or entry[6] is None:
+            entry += (None,)*(6-len(entry)) + (mod.__name__.split(".", 1)[1],)
+        entry = codecs.CodecInfo(*entry)
 
     # Cache the codec registry entry
     _cache[encoding] = entry
diff --git a/Lib/encodings/ascii.py b/Lib/encodings/ascii.py
index 05fc36a..2033cde 100644
--- a/Lib/encodings/ascii.py
+++ b/Lib/encodings/ascii.py
@@ -17,6 +17,14 @@
     encode = codecs.ascii_encode
     decode = codecs.ascii_decode
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.ascii_encode(input, self.errors)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.ascii_decode(input, self.errors)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -31,5 +39,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec.encode,Codec.decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='ascii',
+        encode=Codec.encode,
+        decode=Codec.decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
diff --git a/Lib/encodings/base64_codec.py b/Lib/encodings/base64_codec.py
index 085ab14..f84e780 100644
--- a/Lib/encodings/base64_codec.py
+++ b/Lib/encodings/base64_codec.py
@@ -49,6 +49,16 @@
     def decode(self, input,errors='strict'):
         return base64_decode(input,errors)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        assert self.errors == 'strict'
+        return base64.encodestring(input)
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        assert self.errors == 'strict'
+        return base64.decodestring(input)
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -58,5 +68,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (base64_encode,base64_decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='base64',
+        encode=base64_encode,
+        decode=base64_decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
diff --git a/Lib/encodings/bz2_codec.py b/Lib/encodings/bz2_codec.py
index 870474c..81e84b6 100644
--- a/Lib/encodings/bz2_codec.py
+++ b/Lib/encodings/bz2_codec.py
@@ -51,6 +51,16 @@
     def decode(self, input, errors='strict'):
         return bz2_decode(input, errors)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        assert self.errors == 'strict'
+        return bz2.compress(input)
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        assert self.errors == 'strict'
+        return bz2.decompress(input)
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -60,5 +70,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (bz2_encode,bz2_decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name="bz2",
+        encode=bz2_encode,
+        decode=bz2_decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
diff --git a/Lib/encodings/charmap.py b/Lib/encodings/charmap.py
index 9bd93ec..81189b1 100644
--- a/Lib/encodings/charmap.py
+++ b/Lib/encodings/charmap.py
@@ -21,30 +21,49 @@
     encode = codecs.charmap_encode
     decode = codecs.charmap_decode
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def __init__(self, errors='strict', mapping=None):
+        codecs.IncrementalEncoder.__init__(self, errors)
+        self.mapping = mapping
+
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input, self.errors, self.mapping)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def __init__(self, errors='strict', mapping=None):
+        codecs.IncrementalDecoder.__init__(self, errors)
+        self.mapping = mapping
+
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input, self.errors, self.mapping)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
 
     def __init__(self,stream,errors='strict',mapping=None):
-
         codecs.StreamWriter.__init__(self,stream,errors)
         self.mapping = mapping
 
     def encode(self,input,errors='strict'):
-
         return Codec.encode(input,errors,self.mapping)
 
 class StreamReader(Codec,codecs.StreamReader):
 
     def __init__(self,stream,errors='strict',mapping=None):
-
         codecs.StreamReader.__init__(self,stream,errors)
         self.mapping = mapping
 
     def decode(self,input,errors='strict'):
-
         return Codec.decode(input,errors,self.mapping)
 
 ### encodings module API
 
 def getregentry():
-
-    return (Codec.encode,Codec.decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='charmap',
+        encode=Codec.encode,
+        decode=Codec.decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
diff --git a/Lib/encodings/cp037.py b/Lib/encodings/cp037.py
index 5864c4b..7e589a9 100644
--- a/Lib/encodings/cp037.py
+++ b/Lib/encodings/cp037.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MICSFT/EBCDIC/CP037.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp037 generated from 'MAPPINGS/VENDORS/MICSFT/EBCDIC/CP037.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp037',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp1006.py b/Lib/encodings/cp1006.py
index d94563d..7829969 100644
--- a/Lib/encodings/cp1006.py
+++ b/Lib/encodings/cp1006.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MISC/CP1006.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp1006 generated from 'MAPPINGS/VENDORS/MISC/CP1006.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp1006',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp1026.py b/Lib/encodings/cp1026.py
index 648bed0..01c8804 100644
--- a/Lib/encodings/cp1026.py
+++ b/Lib/encodings/cp1026.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MICSFT/EBCDIC/CP1026.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp1026 generated from 'MAPPINGS/VENDORS/MICSFT/EBCDIC/CP1026.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp1026',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp1140.py b/Lib/encodings/cp1140.py
index 6507552..ac8d41b 100644
--- a/Lib/encodings/cp1140.py
+++ b/Lib/encodings/cp1140.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'python-mappings/CP1140.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp1140 generated from 'python-mappings/CP1140.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp1140',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp1250.py b/Lib/encodings/cp1250.py
index 73427bc..6e6f57c 100644
--- a/Lib/encodings/cp1250.py
+++ b/Lib/encodings/cp1250.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1250.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp1250 generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1250.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp1250',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp1251.py b/Lib/encodings/cp1251.py
index f3e107ef..ed835fe 100644
--- a/Lib/encodings/cp1251.py
+++ b/Lib/encodings/cp1251.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1251.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp1251 generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1251.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp1251',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp1252.py b/Lib/encodings/cp1252.py
index ea7561d..e5b6905 100644
--- a/Lib/encodings/cp1252.py
+++ b/Lib/encodings/cp1252.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1252.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp1252 generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1252.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp1252',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp1253.py b/Lib/encodings/cp1253.py
index 5feefb3..3ce70b25 100644
--- a/Lib/encodings/cp1253.py
+++ b/Lib/encodings/cp1253.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1253.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp1253 generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1253.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp1253',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp1254.py b/Lib/encodings/cp1254.py
index 6769e1b..31cd48c 100644
--- a/Lib/encodings/cp1254.py
+++ b/Lib/encodings/cp1254.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1254.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp1254 generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1254.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp1254',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp1255.py b/Lib/encodings/cp1255.py
index b994f9d..47c43ce 100644
--- a/Lib/encodings/cp1255.py
+++ b/Lib/encodings/cp1255.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1255.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp1255 generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1255.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp1255',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp1256.py b/Lib/encodings/cp1256.py
index 5da425e..e90393b 100644
--- a/Lib/encodings/cp1256.py
+++ b/Lib/encodings/cp1256.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1256.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp1256 generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1256.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp1256',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp1257.py b/Lib/encodings/cp1257.py
index 237a531..dcc81c0 100644
--- a/Lib/encodings/cp1257.py
+++ b/Lib/encodings/cp1257.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1257.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp1257 generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1257.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp1257',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp1258.py b/Lib/encodings/cp1258.py
index 5de3fd8..d4d2271 100644
--- a/Lib/encodings/cp1258.py
+++ b/Lib/encodings/cp1258.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1258.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp1258 generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1258.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp1258',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp424.py b/Lib/encodings/cp424.py
index d19c756..966aecb 100644
--- a/Lib/encodings/cp424.py
+++ b/Lib/encodings/cp424.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MISC/CP424.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp424 generated from 'MAPPINGS/VENDORS/MISC/CP424.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp424',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp437.py b/Lib/encodings/cp437.py
index e9cefaf..52cd882 100644
--- a/Lib/encodings/cp437.py
+++ b/Lib/encodings/cp437.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'VENDORS/MICSFT/PC/CP437.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp437 generated from 'VENDORS/MICSFT/PC/CP437.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp437',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/cp500.py b/Lib/encodings/cp500.py
index 3bbefa0..83af090 100644
--- a/Lib/encodings/cp500.py
+++ b/Lib/encodings/cp500.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MICSFT/EBCDIC/CP500.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp500 generated from 'MAPPINGS/VENDORS/MICSFT/EBCDIC/CP500.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp500',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp737.py b/Lib/encodings/cp737.py
index 883a8ba..d654448 100644
--- a/Lib/encodings/cp737.py
+++ b/Lib/encodings/cp737.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'VENDORS/MICSFT/PC/CP737.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp737 generated from 'VENDORS/MICSFT/PC/CP737.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp737',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/cp775.py b/Lib/encodings/cp775.py
index 1b39188..6a456a5 100644
--- a/Lib/encodings/cp775.py
+++ b/Lib/encodings/cp775.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'VENDORS/MICSFT/PC/CP775.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp775 generated from 'VENDORS/MICSFT/PC/CP775.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,9 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
-
+    return codecs.CodecInfo(
+        name='cp775',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 ### Decoding Map
 
 decoding_map = codecs.make_identity_dict(range(256))
diff --git a/Lib/encodings/cp850.py b/Lib/encodings/cp850.py
index 6481ee0..0c8478c 100644
--- a/Lib/encodings/cp850.py
+++ b/Lib/encodings/cp850.py
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp850',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/cp852.py b/Lib/encodings/cp852.py
index 749b0da..069d547 100644
--- a/Lib/encodings/cp852.py
+++ b/Lib/encodings/cp852.py
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp852',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/cp855.py b/Lib/encodings/cp855.py
index 13146c9..241ef9d 100644
--- a/Lib/encodings/cp855.py
+++ b/Lib/encodings/cp855.py
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp855',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/cp856.py b/Lib/encodings/cp856.py
index 5823dff..c72fcad 100644
--- a/Lib/encodings/cp856.py
+++ b/Lib/encodings/cp856.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MISC/CP856.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp856 generated from 'MAPPINGS/VENDORS/MISC/CP856.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp856',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp857.py b/Lib/encodings/cp857.py
index 6c5cdbb..c24191b 100644
--- a/Lib/encodings/cp857.py
+++ b/Lib/encodings/cp857.py
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp857',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/cp860.py b/Lib/encodings/cp860.py
index cd7cdf4..4acb0cf 100644
--- a/Lib/encodings/cp860.py
+++ b/Lib/encodings/cp860.py
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp860',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/cp861.py b/Lib/encodings/cp861.py
index b140f2e..0939b5b 100644
--- a/Lib/encodings/cp861.py
+++ b/Lib/encodings/cp861.py
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp861',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/cp862.py b/Lib/encodings/cp862.py
index badec08..ea0405c 100644
--- a/Lib/encodings/cp862.py
+++ b/Lib/encodings/cp862.py
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp862',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/cp863.py b/Lib/encodings/cp863.py
index 812bc3d..62dfabf 100644
--- a/Lib/encodings/cp863.py
+++ b/Lib/encodings/cp863.py
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp863',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/cp864.py b/Lib/encodings/cp864.py
index 41f2ea3..02a0e73 100644
--- a/Lib/encodings/cp864.py
+++ b/Lib/encodings/cp864.py
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp864',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/cp865.py b/Lib/encodings/cp865.py
index 8e68c6b..e9f45f1 100644
--- a/Lib/encodings/cp865.py
+++ b/Lib/encodings/cp865.py
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp865',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/cp866.py b/Lib/encodings/cp866.py
index 4c0dd8c..29cd85a 100644
--- a/Lib/encodings/cp866.py
+++ b/Lib/encodings/cp866.py
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp866',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/cp869.py b/Lib/encodings/cp869.py
index 1747546..b4dc99b 100644
--- a/Lib/encodings/cp869.py
+++ b/Lib/encodings/cp869.py
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp869',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/cp874.py b/Lib/encodings/cp874.py
index 5e1fea1..591e8aa 100644
--- a/Lib/encodings/cp874.py
+++ b/Lib/encodings/cp874.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP874.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp874 generated from 'MAPPINGS/VENDORS/MICSFT/WINDOWS/CP874.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp874',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/cp875.py b/Lib/encodings/cp875.py
index ccebb84..879d5a4 100644
--- a/Lib/encodings/cp875.py
+++ b/Lib/encodings/cp875.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MICSFT/EBCDIC/CP875.TXT' with gencodec.py.
+""" Python Character Mapping Codec cp875 generated from 'MAPPINGS/VENDORS/MICSFT/EBCDIC/CP875.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='cp875',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/hex_codec.py b/Lib/encodings/hex_codec.py
index 5c6e4a4..91b38d9 100644
--- a/Lib/encodings/hex_codec.py
+++ b/Lib/encodings/hex_codec.py
@@ -49,6 +49,16 @@
     def decode(self, input,errors='strict'):
         return hex_decode(input,errors)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        assert self.errors == 'strict'
+        return binascii.b2a_hex(input)
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        assert self.errors == 'strict'
+        return binascii.a2b_hex(input)
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -58,5 +68,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (hex_encode,hex_decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='hex',
+        encode=hex_encode,
+        decode=hex_decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
diff --git a/Lib/encodings/hp_roman8.py b/Lib/encodings/hp_roman8.py
index 4f201b8..dbaaa72 100644
--- a/Lib/encodings/hp_roman8.py
+++ b/Lib/encodings/hp_roman8.py
@@ -14,13 +14,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_map)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_map)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -30,8 +36,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='hp-roman8',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/idna.py b/Lib/encodings/idna.py
index 3d3ed23..8bdae32 100644
--- a/Lib/encodings/idna.py
+++ b/Lib/encodings/idna.py
@@ -194,6 +194,14 @@
 
         return u".".join(result)+trailing_dot, len(input)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return Codec().encode(input, self.errors)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return Codec().decode(input, self.errors)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -203,5 +211,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='idna',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
diff --git a/Lib/encodings/iso8859_1.py b/Lib/encodings/iso8859_1.py
index 6aaea7c..b985585 100644
--- a/Lib/encodings/iso8859_1.py
+++ b/Lib/encodings/iso8859_1.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-1.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_1 generated from 'MAPPINGS/ISO8859/8859-1.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-1',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/iso8859_10.py b/Lib/encodings/iso8859_10.py
index 26b55c9..8588430 100644
--- a/Lib/encodings/iso8859_10.py
+++ b/Lib/encodings/iso8859_10.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-10.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_10 generated from 'MAPPINGS/ISO8859/8859-10.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-10',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/iso8859_11.py b/Lib/encodings/iso8859_11.py
index ef17167..fffe692 100644
--- a/Lib/encodings/iso8859_11.py
+++ b/Lib/encodings/iso8859_11.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-11.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_11 generated from 'MAPPINGS/ISO8859/8859-11.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-11',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/iso8859_13.py b/Lib/encodings/iso8859_13.py
index 0e10c7d..a890580 100644
--- a/Lib/encodings/iso8859_13.py
+++ b/Lib/encodings/iso8859_13.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-13.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_13 generated from 'MAPPINGS/ISO8859/8859-13.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-13',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/iso8859_14.py b/Lib/encodings/iso8859_14.py
index b981031..afa458c 100644
--- a/Lib/encodings/iso8859_14.py
+++ b/Lib/encodings/iso8859_14.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-14.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_14 generated from 'MAPPINGS/ISO8859/8859-14.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-14',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/iso8859_15.py b/Lib/encodings/iso8859_15.py
index f50a904..4a8334e 100644
--- a/Lib/encodings/iso8859_15.py
+++ b/Lib/encodings/iso8859_15.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-15.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_15 generated from 'MAPPINGS/ISO8859/8859-15.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-15',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/iso8859_16.py b/Lib/encodings/iso8859_16.py
index ce8bc5b..aeebfb6 100644
--- a/Lib/encodings/iso8859_16.py
+++ b/Lib/encodings/iso8859_16.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-16.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_16 generated from 'MAPPINGS/ISO8859/8859-16.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-16',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/iso8859_2.py b/Lib/encodings/iso8859_2.py
index 417b451..845f322 100644
--- a/Lib/encodings/iso8859_2.py
+++ b/Lib/encodings/iso8859_2.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-2.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_2 generated from 'MAPPINGS/ISO8859/8859-2.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-2',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/iso8859_3.py b/Lib/encodings/iso8859_3.py
index c3ad3a9..fbc8775 100644
--- a/Lib/encodings/iso8859_3.py
+++ b/Lib/encodings/iso8859_3.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-3.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_3 generated from 'MAPPINGS/ISO8859/8859-3.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-3',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/iso8859_4.py b/Lib/encodings/iso8859_4.py
index b65685a..e705954 100644
--- a/Lib/encodings/iso8859_4.py
+++ b/Lib/encodings/iso8859_4.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-4.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_4 generated from 'MAPPINGS/ISO8859/8859-4.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-4',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/iso8859_5.py b/Lib/encodings/iso8859_5.py
index 59fe372..93a4e90 100644
--- a/Lib/encodings/iso8859_5.py
+++ b/Lib/encodings/iso8859_5.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-5.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_5 generated from 'MAPPINGS/ISO8859/8859-5.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-5',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/iso8859_6.py b/Lib/encodings/iso8859_6.py
index b07661d..f911cc4 100644
--- a/Lib/encodings/iso8859_6.py
+++ b/Lib/encodings/iso8859_6.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-6.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_6 generated from 'MAPPINGS/ISO8859/8859-6.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-6',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/iso8859_7.py b/Lib/encodings/iso8859_7.py
index 54d0997..4cce6e2 100644
--- a/Lib/encodings/iso8859_7.py
+++ b/Lib/encodings/iso8859_7.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-7.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_7 generated from 'MAPPINGS/ISO8859/8859-7.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-7',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/iso8859_8.py b/Lib/encodings/iso8859_8.py
index 24ba1bb..8c29a87 100644
--- a/Lib/encodings/iso8859_8.py
+++ b/Lib/encodings/iso8859_8.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-8.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_8 generated from 'MAPPINGS/ISO8859/8859-8.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-8',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/iso8859_9.py b/Lib/encodings/iso8859_9.py
index 940d92b..9648e9f 100644
--- a/Lib/encodings/iso8859_9.py
+++ b/Lib/encodings/iso8859_9.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/ISO8859/8859-9.TXT' with gencodec.py.
+""" Python Character Mapping Codec iso8859_9 generated from 'MAPPINGS/ISO8859/8859-9.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-9',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/koi8_r.py b/Lib/encodings/koi8_r.py
index f2723de..3efeb56 100644
--- a/Lib/encodings/koi8_r.py
+++ b/Lib/encodings/koi8_r.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/MISC/KOI8-R.TXT' with gencodec.py.
+""" Python Character Mapping Codec koi8_r generated from 'MAPPINGS/VENDORS/MISC/KOI8-R.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='koi8-r',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/koi8_u.py b/Lib/encodings/koi8_u.py
index 9bbcf7c..5f46db1 100644
--- a/Lib/encodings/koi8_u.py
+++ b/Lib/encodings/koi8_u.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'python-mappings/KOI8-U.TXT' with gencodec.py.
+""" Python Character Mapping Codec koi8_u generated from 'python-mappings/KOI8-U.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='koi8-u',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/latin_1.py b/Lib/encodings/latin_1.py
index 0e55917..370160c 100644
--- a/Lib/encodings/latin_1.py
+++ b/Lib/encodings/latin_1.py
@@ -17,6 +17,14 @@
     encode = codecs.latin_1_encode
     decode = codecs.latin_1_decode
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.latin_1_encode(input,self.errors)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.latin_1_decode(input,self.errors)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -31,5 +39,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec.encode,Codec.decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='iso8859-1',
+        encode=Codec.encode,
+        decode=Codec.decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
diff --git a/Lib/encodings/mac_arabic.py b/Lib/encodings/mac_arabic.py
index 6c096b4..7a7d3c5 100644
--- a/Lib/encodings/mac_arabic.py
+++ b/Lib/encodings/mac_arabic.py
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='mac-arabic',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/mac_centeuro.py b/Lib/encodings/mac_centeuro.py
index d7d67ec..54a1510 100644
--- a/Lib/encodings/mac_centeuro.py
+++ b/Lib/encodings/mac_centeuro.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/APPLE/CENTEURO.TXT' with gencodec.py.
+""" Python Character Mapping Codec mac_centeuro generated from 'MAPPINGS/VENDORS/APPLE/CENTEURO.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='mac-centeuro',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/mac_croatian.py b/Lib/encodings/mac_croatian.py
index 96e1187..9e93cdd 100644
--- a/Lib/encodings/mac_croatian.py
+++ b/Lib/encodings/mac_croatian.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/APPLE/CROATIAN.TXT' with gencodec.py.
+""" Python Character Mapping Codec mac_croatian generated from 'MAPPINGS/VENDORS/APPLE/CROATIAN.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='mac-croatian',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/mac_cyrillic.py b/Lib/encodings/mac_cyrillic.py
index f1b1fb0..8ffd715 100644
--- a/Lib/encodings/mac_cyrillic.py
+++ b/Lib/encodings/mac_cyrillic.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/APPLE/CYRILLIC.TXT' with gencodec.py.
+""" Python Character Mapping Codec mac_cyrillic generated from 'MAPPINGS/VENDORS/APPLE/CYRILLIC.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='mac-cyrillic',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/mac_farsi.py b/Lib/encodings/mac_farsi.py
index 2b61e27..6d26a42 100644
--- a/Lib/encodings/mac_farsi.py
+++ b/Lib/encodings/mac_farsi.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/APPLE/FARSI.TXT' with gencodec.py.
+""" Python Character Mapping Codec mac_farsi generated from 'MAPPINGS/VENDORS/APPLE/FARSI.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='mac-farsi',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/mac_greek.py b/Lib/encodings/mac_greek.py
index c2dd26f..7264f9a 100644
--- a/Lib/encodings/mac_greek.py
+++ b/Lib/encodings/mac_greek.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/APPLE/GREEK.TXT' with gencodec.py.
+""" Python Character Mapping Codec mac_greek generated from 'MAPPINGS/VENDORS/APPLE/GREEK.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='mac-greek',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/mac_iceland.py b/Lib/encodings/mac_iceland.py
index d305d29..5d8d9ad 100644
--- a/Lib/encodings/mac_iceland.py
+++ b/Lib/encodings/mac_iceland.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/APPLE/ICELAND.TXT' with gencodec.py.
+""" Python Character Mapping Codec mac_iceland generated from 'MAPPINGS/VENDORS/APPLE/ICELAND.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='mac-iceland',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/mac_latin2.py b/Lib/encodings/mac_latin2.py
index f5d5225..e322be2 100644
--- a/Lib/encodings/mac_latin2.py
+++ b/Lib/encodings/mac_latin2.py
@@ -14,13 +14,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_map)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_map)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -30,8 +36,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='mac-latin2',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/mac_roman.py b/Lib/encodings/mac_roman.py
index d23aeba..9552e53 100644
--- a/Lib/encodings/mac_roman.py
+++ b/Lib/encodings/mac_roman.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/APPLE/ROMAN.TXT' with gencodec.py.
+""" Python Character Mapping Codec mac_roman generated from 'MAPPINGS/VENDORS/APPLE/ROMAN.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='mac-roman',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/mac_romanian.py b/Lib/encodings/mac_romanian.py
index 5c35a64..51282c3 100644
--- a/Lib/encodings/mac_romanian.py
+++ b/Lib/encodings/mac_romanian.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/APPLE/ROMANIAN.TXT' with gencodec.py.
+""" Python Character Mapping Codec mac_romanian generated from 'MAPPINGS/VENDORS/APPLE/ROMANIAN.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='mac-romanian',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/mac_turkish.py b/Lib/encodings/mac_turkish.py
index 79894ba..4e5641f 100644
--- a/Lib/encodings/mac_turkish.py
+++ b/Lib/encodings/mac_turkish.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'MAPPINGS/VENDORS/APPLE/TURKISH.TXT' with gencodec.py.
+""" Python Character Mapping Codec mac_turkish generated from 'MAPPINGS/VENDORS/APPLE/TURKISH.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='mac-turkish',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/mbcs.py b/Lib/encodings/mbcs.py
index c79f47c..ff77fde 100644
--- a/Lib/encodings/mbcs.py
+++ b/Lib/encodings/mbcs.py
@@ -18,6 +18,13 @@
     encode = codecs.mbcs_encode
     decode = codecs.mbcs_decode
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.mbcs_encode(input,self.errors)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.mbcs_decode(input,self.errors)[0]
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -32,5 +39,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec.encode,Codec.decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='mbcs',
+        encode=Codec.encode,
+        decode=Codec.decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
diff --git a/Lib/encodings/palmos.py b/Lib/encodings/palmos.py
index c0f0606..4b77e2b 100644
--- a/Lib/encodings/palmos.py
+++ b/Lib/encodings/palmos.py
@@ -15,6 +15,14 @@
     def decode(self,input,errors='strict'):
         return codecs.charmap_decode(input,errors,decoding_map)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_map)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -24,7 +32,15 @@
 ### encodings module API
 
 def getregentry():
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='palmos',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/ptcp154.py b/Lib/encodings/ptcp154.py
index 5cdd98c..aef8975 100644
--- a/Lib/encodings/ptcp154.py
+++ b/Lib/encodings/ptcp154.py
@@ -14,13 +14,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_map)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_map)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -30,8 +36,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='ptcp154',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/punycode.py b/Lib/encodings/punycode.py
index 82fd458..2cde8b9 100644
--- a/Lib/encodings/punycode.py
+++ b/Lib/encodings/punycode.py
@@ -197,18 +197,27 @@
 ### Codec APIs
 
 class Codec(codecs.Codec):
-    def encode(self,input,errors='strict'):
 
+    def encode(self,input,errors='strict'):
         res = punycode_encode(input)
         return res, len(input)
 
     def decode(self,input,errors='strict'):
-
         if errors not in ('strict', 'replace', 'ignore'):
             raise UnicodeError, "Unsupported error handling "+errors
         res = punycode_decode(input, errors)
         return res, len(input)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return punycode_encode(input)
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        if errors not in ('strict', 'replace', 'ignore'):
+            raise UnicodeError, "Unsupported error handling "+errors
+        return punycode_decode(input, errors)
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -218,5 +227,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='punycode',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
diff --git a/Lib/encodings/quopri_codec.py b/Lib/encodings/quopri_codec.py
index d98b5ed..b802ae6 100644
--- a/Lib/encodings/quopri_codec.py
+++ b/Lib/encodings/quopri_codec.py
@@ -46,6 +46,14 @@
     def decode(self, input,errors='strict'):
         return quopri_decode(input,errors)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return quopri_encode(input, self.errors)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return quopri_decode(input, self.errors)[0]
+
 class StreamWriter(Codec, codecs.StreamWriter):
     pass
 
@@ -55,4 +63,12 @@
 # encodings module API
 
 def getregentry():
-    return (quopri_encode, quopri_decode, StreamReader, StreamWriter)
+    return codecs.CodecInfo(
+        name='quopri',
+        encode=quopri_encode,
+        decode=quopri_decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
diff --git a/Lib/encodings/raw_unicode_escape.py b/Lib/encodings/raw_unicode_escape.py
index a2f3fff..2b919b4 100644
--- a/Lib/encodings/raw_unicode_escape.py
+++ b/Lib/encodings/raw_unicode_escape.py
@@ -17,6 +17,14 @@
     encode = codecs.raw_unicode_escape_encode
     decode = codecs.raw_unicode_escape_decode
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.raw_unicode_escape_encode(input, self.errors)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.raw_unicode_escape_decode(input, self.errors)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -26,5 +34,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec.encode,Codec.decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='raw-unicode-escape',
+        encode=Codec.encode,
+        decode=Codec.decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
diff --git a/Lib/encodings/rot_13.py b/Lib/encodings/rot_13.py
index c628181..52b6431 100644
--- a/Lib/encodings/rot_13.py
+++ b/Lib/encodings/rot_13.py
@@ -14,13 +14,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_map)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_map)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -30,8 +36,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='rot-13',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
 
 ### Decoding Map
 
diff --git a/Lib/encodings/string_escape.py b/Lib/encodings/string_escape.py
index c02bfee..e329a26 100644
--- a/Lib/encodings/string_escape.py
+++ b/Lib/encodings/string_escape.py
@@ -12,6 +12,14 @@
     encode = codecs.escape_encode
     decode = codecs.escape_decode
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.escape_encode(input, self.errors)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.escape_decode(input, self.errors)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -19,5 +27,12 @@
     pass
 
 def getregentry():
-
-    return (Codec.encode,Codec.decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='string-escape',
+        encode=Codec.encode,
+        decode=Codec.decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
diff --git a/Lib/encodings/tis_620.py b/Lib/encodings/tis_620.py
index aa1823e..166d932 100644
--- a/Lib/encodings/tis_620.py
+++ b/Lib/encodings/tis_620.py
@@ -1,4 +1,4 @@
-""" Python Character Mapping Codec generated from 'python-mappings/TIS-620.TXT' with gencodec.py.
+""" Python Character Mapping Codec tis_620 generated from 'python-mappings/TIS-620.TXT' with gencodec.py.
 
 """#"
 
@@ -9,13 +9,19 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-
         return codecs.charmap_encode(input,errors,encoding_map)
 
     def decode(self,input,errors='strict'):
-
         return codecs.charmap_decode(input,errors,decoding_table)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input,self.errors,encoding_map)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input,self.errors,decoding_table)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -25,8 +31,15 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='tis-620',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
 
 ### Decoding Table
diff --git a/Lib/encodings/undefined.py b/Lib/encodings/undefined.py
index d2277ac..4690288 100644
--- a/Lib/encodings/undefined.py
+++ b/Lib/encodings/undefined.py
@@ -16,10 +16,18 @@
 class Codec(codecs.Codec):
 
     def encode(self,input,errors='strict'):
-        raise UnicodeError, "undefined encoding"
+        raise UnicodeError("undefined encoding")
 
     def decode(self,input,errors='strict'):
-        raise UnicodeError, "undefined encoding"
+        raise UnicodeError("undefined encoding")
+
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        raise UnicodeError("undefined encoding")
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        raise UnicodeError("undefined encoding")
 
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
@@ -30,5 +38,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='undefined',
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
diff --git a/Lib/encodings/unicode_escape.py b/Lib/encodings/unicode_escape.py
index 8fb6293..817f932 100644
--- a/Lib/encodings/unicode_escape.py
+++ b/Lib/encodings/unicode_escape.py
@@ -17,6 +17,14 @@
     encode = codecs.unicode_escape_encode
     decode = codecs.unicode_escape_decode
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.unicode_escape_encode(input, self.errors)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.unicode_escape_decode(input, self.errors)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -26,5 +34,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec.encode,Codec.decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='unicode-escape',
+        encode=Codec.encode,
+        decode=Codec.decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
diff --git a/Lib/encodings/unicode_internal.py b/Lib/encodings/unicode_internal.py
index 3bd2fa0..df3e775 100644
--- a/Lib/encodings/unicode_internal.py
+++ b/Lib/encodings/unicode_internal.py
@@ -17,6 +17,14 @@
     encode = codecs.unicode_internal_encode
     decode = codecs.unicode_internal_decode
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.unicode_internal_encode(input, self.errors)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.unicode_internal_decode(input, self.errors)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -26,5 +34,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec.encode,Codec.decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='unicode-internal',
+        encode=Codec.encode,
+        decode=Codec.decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
diff --git a/Lib/encodings/utf_16.py b/Lib/encodings/utf_16.py
index 95abb05..eff08f3 100644
--- a/Lib/encodings/utf_16.py
+++ b/Lib/encodings/utf_16.py
@@ -15,6 +15,47 @@
 def decode(input, errors='strict'):
     return codecs.utf_16_decode(input, errors, True)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def __init__(self, errors='strict'):
+        codecs.IncrementalEncoder.__init__(self, errors)
+        self.encoder = None
+
+    def encode(self, input, final=False):
+        if self.encoder is None:
+            result = codecs.utf_16_encode(input, self.errors)[0]
+            if sys.byteorder == 'little':
+                self.encoder = codecs.utf_16_le_encode
+            else:
+                self.encoder = codecs.utf_16_be_encode
+            return result
+        return self.encoder(input, self.errors)[0]
+
+    def reset(self):
+        codecs.IncrementalEncoder.reset(self)
+        self.encoder = None
+
+class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
+    def __init__(self, errors='strict'):
+        codecs.BufferedIncrementalDecoder.__init__(self, errors)
+        self.decoder = None
+
+    def _buffer_decode(self, input, errors, final):
+        if self.decoder is None:
+            (output, consumed, byteorder) = \
+                codecs.utf_16_ex_decode(input, errors, 0, final)
+            if byteorder == -1:
+                self.decoder = codecs.utf_16_le_decode
+            elif byteorder == 1:
+                self.decoder = codecs.utf_16_be_decode
+            elif consumed >= 2:
+                raise UnicodeError("UTF-16 stream does not start with BOM")
+            return (output, consumed)
+        return self.decoder(input, self.errors, final)
+
+    def reset(self):
+        codecs.BufferedIncrementalDecoder.reset(self)
+        self.decoder = None
+
 class StreamWriter(codecs.StreamWriter):
     def __init__(self, stream, errors='strict'):
         self.bom_written = False
@@ -52,5 +93,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (encode,decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='utf-16',
+        encode=encode,
+        decode=decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
diff --git a/Lib/encodings/utf_16_be.py b/Lib/encodings/utf_16_be.py
index 9a51f8c..86b458e 100644
--- a/Lib/encodings/utf_16_be.py
+++ b/Lib/encodings/utf_16_be.py
@@ -15,6 +15,13 @@
 def decode(input, errors='strict'):
     return codecs.utf_16_be_decode(input, errors, True)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.utf_16_be_encode(input, self.errors)[0]
+
+class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
+    _buffer_decode = codecs.utf_16_be_decode
+
 class StreamWriter(codecs.StreamWriter):
     encode = codecs.utf_16_be_encode
 
@@ -24,5 +31,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (encode,decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='utf-16-be',
+        encode=encode,
+        decode=decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
diff --git a/Lib/encodings/utf_16_le.py b/Lib/encodings/utf_16_le.py
index 95ca830..ec45414 100644
--- a/Lib/encodings/utf_16_le.py
+++ b/Lib/encodings/utf_16_le.py
@@ -15,15 +15,28 @@
 def decode(input, errors='strict'):
     return codecs.utf_16_le_decode(input, errors, True)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.utf_16_le_encode(input, self.errors)[0]
+
+class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
+    _buffer_decode = codecs.utf_16_le_decode
+
 class StreamWriter(codecs.StreamWriter):
     encode = codecs.utf_16_le_encode
 
 class StreamReader(codecs.StreamReader):
     decode = codecs.utf_16_le_decode
 
-
 ### encodings module API
 
 def getregentry():
-
-    return (encode,decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='utf-16-le',
+        encode=encode,
+        decode=decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
diff --git a/Lib/encodings/utf_7.py b/Lib/encodings/utf_7.py
index ee78d09..d78d192 100644
--- a/Lib/encodings/utf_7.py
+++ b/Lib/encodings/utf_7.py
@@ -13,6 +13,14 @@
     encode = codecs.utf_7_encode
     decode = codecs.utf_7_decode
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.utf_7_encode(input, self.errors)[0]
+
+class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
+    def _buffer_decode(self, input, errors, final):
+        return codecs.utf_7_decode(input, self.errors)
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -22,5 +30,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (Codec.encode,Codec.decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='utf-7',
+        encode=Codec.encode,
+        decode=Codec.decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
diff --git a/Lib/encodings/utf_8.py b/Lib/encodings/utf_8.py
index 9cb0b4b..1bf6336 100644
--- a/Lib/encodings/utf_8.py
+++ b/Lib/encodings/utf_8.py
@@ -15,6 +15,13 @@
 def decode(input, errors='strict'):
     return codecs.utf_8_decode(input, errors, True)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.utf_8_encode(input, self.errors)[0]
+
+class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
+    _buffer_decode = codecs.utf_8_decode
+
 class StreamWriter(codecs.StreamWriter):
     encode = codecs.utf_8_encode
 
@@ -24,5 +31,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (encode,decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='utf-8',
+        encode=encode,
+        decode=decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
diff --git a/Lib/encodings/utf_8_sig.py b/Lib/encodings/utf_8_sig.py
index fa437e6..cd14ab0 100644
--- a/Lib/encodings/utf_8_sig.py
+++ b/Lib/encodings/utf_8_sig.py
@@ -22,6 +22,42 @@
     (output, consumed) = codecs.utf_8_decode(input, errors, True)
     return (output, consumed+prefix)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def __init__(self, errors='strict'):
+        codecs.IncrementalEncoder.__init__(self, errors)
+        self.first = True
+
+    def encode(self, input, final=False):
+        if self.first:
+            self.first = False
+            return codecs.BOM_UTF8 + codecs.utf_8_encode(input, errors)[0]
+        else:
+            return codecs.utf_8_encode(input, errors)[0]
+
+    def reset(self):
+        codecs.IncrementalEncoder.reset(self)
+        self.first = True
+
+class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
+    def __init__(self, errors='strict'):
+        codecs.BufferedIncrementalDecoder.__init__(self, errors)
+        self.first = True
+
+    def _buffer_decode(self, input, errors, final):
+        if self.first and codecs.BOM_UTF8.startswith(input): # might be a BOM
+            if len(input) < 3:
+                # not enough data to decide if this really is a BOM
+                # => try again on the next call
+                return (u"", 0)
+            (output, consumed) = codecs.utf_8_decode(input[3:], errors, final)
+            self.first = False
+            return (output, consumed+3)
+        return codecs.utf_8_decode(input, errors, final)
+
+    def reset(self):
+        codecs.BufferedIncrementalDecoder.reset(self)
+        self.first = True
+
 class StreamWriter(codecs.StreamWriter):
     def reset(self):
         codecs.StreamWriter.reset(self)
@@ -53,5 +89,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (encode,decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='utf-8-sig',
+        encode=encode,
+        decode=decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
diff --git a/Lib/encodings/uu_codec.py b/Lib/encodings/uu_codec.py
index a70ff9e..0877fe1 100644
--- a/Lib/encodings/uu_codec.py
+++ b/Lib/encodings/uu_codec.py
@@ -96,9 +96,18 @@
 
     def encode(self,input,errors='strict'):
         return uu_encode(input,errors)
+
     def decode(self,input,errors='strict'):
         return uu_decode(input,errors)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return uu_encode(input, errors)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return uu_decode(input, errors)[0]
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -108,5 +117,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (uu_encode,uu_decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='uu',
+        encode=uu_encode,
+        decode=uu_decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
diff --git a/Lib/encodings/zlib_codec.py b/Lib/encodings/zlib_codec.py
index 9b6e4d1..2694f15 100644
--- a/Lib/encodings/zlib_codec.py
+++ b/Lib/encodings/zlib_codec.py
@@ -50,6 +50,16 @@
     def decode(self, input, errors='strict'):
         return zlib_decode(input, errors)
 
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        assert self.errors == 'strict'
+        return zlib.compress(input)
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        assert self.errors == 'strict'
+        return zlib.decompress(input)
+
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
 
@@ -59,5 +69,12 @@
 ### encodings module API
 
 def getregentry():
-
-    return (zlib_encode,zlib_decode,StreamReader,StreamWriter)
+    return codecs.CodecInfo(
+        name='zlib',
+        encode=zlib_encode,
+        decode=zlib_decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index 4b2f8a6..7db0dab 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -1058,13 +1058,16 @@
         file name, line number and function name.
         """
         f = currentframe().f_back
-        while 1:
+        rv = "(unknown file)", 0, "(unknown function)"
+        while hasattr(f, "f_code"):
             co = f.f_code
             filename = os.path.normcase(co.co_filename)
             if filename == _srcfile:
                 f = f.f_back
                 continue
-            return filename, f.f_lineno, co.co_name
+            rv = (filename, f.f_lineno, co.co_name)
+            break
+        return rv
 
     def makeRecord(self, name, level, fn, lno, msg, args, exc_info, func=None, extra=None):
         """
diff --git a/Lib/runpy.py b/Lib/runpy.py
new file mode 100755
index 0000000..afb0098
--- /dev/null
+++ b/Lib/runpy.py
@@ -0,0 +1,431 @@
+"""runpy.py - locating and running Python code using the module namespace
+
+Provides support for locating and running Python scripts using the Python
+module namespace instead of the native filesystem.
+
+This allows Python code to play nicely with non-filesystem based PEP 302
+importers when locating support scripts as well as when importing modules.
+"""
+# Written by Nick Coghlan <ncoghlan at gmail.com>
+#    to implement PEP 338 (Executing Modules as Scripts)
+
+import sys
+import imp
+
+__all__ = [
+    "run_module",
+]
+
+try:
+    _get_loader = imp.get_loader
+except AttributeError:
+    # get_loader() is not provided by the imp module, so emulate it
+    # as best we can using the PEP 302 import machinery exposed since
+    # Python 2.3. The emulation isn't perfect, but the differences
+    # in the way names are shadowed shouldn't matter in practice.
+    import os.path
+    import marshal                           # Handle compiled Python files
+
+    # This helper is needed in order for the PEP 302 emulation to
+    # correctly handle compiled files
+    def _read_compiled_file(compiled_file):
+        magic = compiled_file.read(4)
+        if magic != imp.get_magic():
+            return None
+        try:
+            compiled_file.read(4) # Skip timestamp
+            return marshal.load(compiled_file)
+        except Exception:
+            return None
+
+    class _AbsoluteImporter(object):
+        """PEP 302 importer wrapper for top level import machinery"""
+        def find_module(self, mod_name, path=None):
+            if path is not None:
+                return None
+            try:
+                file, filename, mod_info = imp.find_module(mod_name)
+            except ImportError:
+                return None
+            suffix, mode, mod_type = mod_info
+            if mod_type == imp.PY_SOURCE:
+                loader = _SourceFileLoader(mod_name, file,
+                                           filename, mod_info)
+            elif mod_type == imp.PY_COMPILED:
+                loader = _CompiledFileLoader(mod_name, file,
+                                             filename, mod_info)
+            elif mod_type == imp.PKG_DIRECTORY:
+                loader = _PackageDirLoader(mod_name, file,
+                                           filename, mod_info)
+            elif mod_type == imp.C_EXTENSION:
+                loader = _FileSystemLoader(mod_name, file,
+                                           filename, mod_info)
+            else:
+                loader = _BasicLoader(mod_name, file,
+                                      filename, mod_info)
+            return loader
+
+
+    class _FileSystemImporter(object):
+        """PEP 302 importer wrapper for filesystem based imports"""
+        def __init__(self, path_item=None):
+            if path_item is not None:
+                if path_item != '' and not os.path.isdir(path_item):
+                    raise ImportError("%s is not a directory" % path_item)
+                self.path_dir = path_item
+            else:
+                raise ImportError("Filesystem importer requires "
+                                  "a directory name")
+
+        def find_module(self, mod_name, path=None):
+            if path is not None:
+                return None
+            path_dir = self.path_dir
+            if path_dir == '':
+                path_dir = os.getcwd()
+            sub_name = mod_name.rsplit(".", 1)[-1]
+            try:
+                file, filename, mod_info = imp.find_module(sub_name,
+                                                           [path_dir])
+            except ImportError:
+                return None
+            if not filename.startswith(path_dir):
+                return None
+            suffix, mode, mod_type = mod_info
+            if mod_type == imp.PY_SOURCE:
+                loader = _SourceFileLoader(mod_name, file,
+                                           filename, mod_info)
+            elif mod_type == imp.PY_COMPILED:
+                loader = _CompiledFileLoader(mod_name, file,
+                                             filename, mod_info)
+            elif mod_type == imp.PKG_DIRECTORY:
+                loader = _PackageDirLoader(mod_name, file,
+                                           filename, mod_info)
+            elif mod_type == imp.C_EXTENSION:
+                loader = _FileSystemLoader(mod_name, file,
+                                           filename, mod_info)
+            else:
+                loader = _BasicLoader(mod_name, file,
+                                      filename, mod_info)
+            return loader
+
+
+    class _BasicLoader(object):
+        """PEP 302 loader wrapper for top level import machinery"""
+        def __init__(self, mod_name, file, filename, mod_info):
+            self.mod_name = mod_name
+            self.file = file
+            self.filename = filename
+            self.mod_info = mod_info
+
+        def _fix_name(self, mod_name):
+            if mod_name is None:
+                mod_name = self.mod_name
+            elif mod_name != self.mod_name:
+                raise ImportError("Loader for module %s cannot handle "
+                                  "module %s" % (self.mod_name, mod_name))
+            return mod_name
+
+        def load_module(self, mod_name=None):
+            mod_name = self._fix_name(mod_name)
+            mod = imp.load_module(mod_name, self.file,
+                                  self.filename, self.mod_info)
+            mod.__loader__ = self  # for introspection
+            return mod
+
+        def get_code(self, mod_name=None):
+            return None
+
+        def get_source(self, mod_name=None):
+            return None
+
+        def is_package(self, mod_name=None):
+            return False
+
+        def close(self):
+            if self.file:
+                self.file.close()
+
+        def __del__(self):
+            self.close()
+
+
+    class _FileSystemLoader(_BasicLoader):
+        """PEP 302 loader wrapper for filesystem based imports"""
+        def get_code(self, mod_name=None):
+            mod_name = self._fix_name(mod_name)
+            return self._get_code(mod_name)
+
+        def get_data(self, pathname):
+            return open(pathname, "rb").read()
+
+        def get_filename(self, mod_name=None):
+            mod_name = self._fix_name(mod_name)
+            return self._get_filename(mod_name)
+
+        def get_source(self, mod_name=None):
+            mod_name = self._fix_name(mod_name)
+            return self._get_source(mod_name)
+
+        def is_package(self, mod_name=None):
+            mod_name = self._fix_name(mod_name)
+            return self._is_package(mod_name)
+
+        def _get_code(self, mod_name):
+            return None
+
+        def _get_filename(self, mod_name):
+            return self.filename
+
+        def _get_source(self, mod_name):
+            return None
+
+        def _is_package(self, mod_name):
+            return False
+
+    class _PackageDirLoader(_FileSystemLoader):
+        """PEP 302 loader wrapper for PKG_DIRECTORY directories"""
+        def _is_package(self, mod_name):
+            return True
+
+
+    class _SourceFileLoader(_FileSystemLoader):
+        """PEP 302 loader wrapper for PY_SOURCE modules"""
+        def _get_code(self, mod_name):
+            return compile(self._get_source(mod_name),
+                           self.filename, 'exec')
+
+        def _get_source(self, mod_name):
+            f = self.file
+            f.seek(0)
+            return f.read()
+
+
+    class _CompiledFileLoader(_FileSystemLoader):
+        """PEP 302 loader wrapper for PY_COMPILED modules"""
+        def _get_code(self, mod_name):
+            f = self.file
+            f.seek(0)
+            return _read_compiled_file(f)
+
+
+    def _get_importer(path_item):
+        """Retrieve a PEP 302 importer for the given path item
+
+        The returned importer is cached in sys.path_importer_cache
+        if it was newly created by a path hook.
+
+        If there is no importer, a wrapper around the basic import
+        machinery is returned. This wrapper is never inserted into
+        the importer cache (None is inserted instead).
+
+        The cache (or part of it) can be cleared manually if a
+        rescan of sys.path_hooks is necessary.
+        """
+        try:
+            importer = sys.path_importer_cache[path_item]
+        except KeyError:
+            for path_hook in sys.path_hooks:
+                try:
+                    importer = path_hook(path_item)
+                    break
+                except ImportError:
+                    pass
+            else:
+                importer = None
+            sys.path_importer_cache[path_item] = importer
+        if importer is None:
+            try:
+                importer = _FileSystemImporter(path_item)
+            except ImportError:
+                pass
+        return importer
+
+
+    def _get_path_loader(mod_name, path=None):
+        """Retrieve a PEP 302 loader using a path importer"""
+        if path is None:
+            path = sys.path
+            absolute_loader = _AbsoluteImporter().find_module(mod_name)
+            if isinstance(absolute_loader, _FileSystemLoader):
+                # Found in filesystem, so scan path hooks
+                # before accepting this one as the right one
+                loader = None
+            else:
+                # Not found in filesystem, so use top-level loader
+                loader = absolute_loader
+        else:
+            loader = absolute_loader = None
+        if loader is None:
+            for path_item in path:
+                importer = _get_importer(path_item)
+                if importer is not None:
+                    loader = importer.find_module(mod_name)
+                    if loader is not None:
+                        # Found a loader for our module
+                        break
+            else:
+                # No path hook found, so accept the top level loader
+                loader = absolute_loader
+        return loader
+
+    def _get_package(pkg_name):
+        """Retrieve a named package"""
+        pkg = __import__(pkg_name)
+        sub_pkg_names = pkg_name.split(".")
+        for sub_pkg in sub_pkg_names[1:]:
+            pkg = getattr(pkg, sub_pkg)
+        return pkg
+
+    def _get_loader(mod_name, path=None):
+        """Retrieve a PEP 302 loader for the given module or package
+
+        If the module or package is accessible via the normal import
+        mechanism, a wrapper around the relevant part of that machinery
+        is returned.
+
+        Non PEP 302 mechanisms (e.g. the Windows registry) used by the
+        standard import machinery to find files in alternative locations
+        are partially supported, but are searched AFTER sys.path. Normally,
+        these locations are searched BEFORE sys.path, preventing sys.path
+        entries from shadowing them.
+        For this to cause a visible difference in behaviour, there must
+        be a module or package name that is accessible via both sys.path
+        and one of the non PEP 302 file system mechanisms. In this case,
+        the emulation will find the former version, while the builtin
+        import mechanism will find the latter.
+        Items of the following types can be affected by this discrepancy:
+            imp.C_EXTENSION
+            imp.PY_SOURCE
+            imp.PY_COMPILED
+            imp.PKG_DIRECTORY
+        """
+        try:
+            loader = sys.modules[mod_name].__loader__
+        except (KeyError, AttributeError):
+            loader = None
+        if loader is None:
+            imp.acquire_lock()
+            try:
+                # Module not in sys.modules, or uses an unhooked loader
+                parts = mod_name.rsplit(".", 1)
+                if len(parts) == 2:
+                    # Sub package, so use parent package's path
+                    pkg_name, sub_name = parts
+                    if pkg_name and pkg_name[0] != '.':
+                        if path is not None:
+                            raise ImportError("Path argument must be None "
+                                            "for a dotted module name")
+                        pkg = _get_package(pkg_name)
+                        try:
+                            path = pkg.__path__
+                        except AttributeError:
+                            raise ImportError(pkg_name +
+                                            " is not a package")
+                    else:
+                        raise ImportError("Relative import syntax is not "
+                                          "supported by _get_loader()")
+                else:
+                    # Top level module, so stick with default path
+                    sub_name = mod_name
+
+                for importer in sys.meta_path:
+                    loader = importer.find_module(mod_name, path)
+                    if loader is not None:
+                        # Found a metahook to handle the module
+                        break
+                else:
+                    # Handling via the standard path mechanism
+                    loader = _get_path_loader(mod_name, path)
+            finally:
+                imp.release_lock()
+        return loader
+
+
+# This helper is needed due to a missing component in the PEP 302
+# loader protocol (specifically, "get_filename" is non-standard)
+def _get_filename(loader, mod_name):
+    try:
+        get_filename = loader.get_filename
+    except AttributeError:
+        return None
+    else:
+        return get_filename(mod_name)
+
+# ------------------------------------------------------------
+# Done with the import machinery emulation, on with the code!
+
+def _run_code(code, run_globals, init_globals,
+              mod_name, mod_fname, mod_loader):
+    """Helper for _run_module_code"""
+    if init_globals is not None:
+        run_globals.update(init_globals)
+    run_globals.update(__name__ = mod_name,
+                       __file__ = mod_fname,
+                       __loader__ = mod_loader)
+    exec code in run_globals
+    return run_globals
+
+def _run_module_code(code, init_globals=None,
+                    mod_name=None, mod_fname=None,
+                    mod_loader=None, alter_sys=False):
+    """Helper for run_module"""
+    # Set up the top level namespace dictionary
+    if alter_sys:
+        # Modify sys.argv[0] and sys.module[mod_name]
+        temp_module = imp.new_module(mod_name)
+        mod_globals = temp_module.__dict__
+        saved_argv0 = sys.argv[0]
+        restore_module = mod_name in sys.modules
+        if restore_module:
+            saved_module = sys.modules[mod_name]
+        imp.acquire_lock()
+        try:
+            sys.argv[0] = mod_fname
+            sys.modules[mod_name] = temp_module
+            try:
+                _run_code(code, mod_globals, init_globals,
+                          mod_name, mod_fname, mod_loader)
+            finally:
+                sys.argv[0] = saved_argv0
+                if restore_module:
+                    sys.modules[mod_name] = saved_module
+                else:
+                    del sys.modules[mod_name]
+        finally:
+            imp.release_lock()
+        # Copy the globals of the temporary module, as they
+        # may be cleared when the temporary module goes away
+        return mod_globals.copy()
+    else:
+        # Leave the sys module alone
+        return _run_code(code, {}, init_globals,
+                         mod_name, mod_fname, mod_loader)
+
+
+def run_module(mod_name, init_globals=None,
+                         run_name=None, alter_sys=False):
+    """Execute a module's code without importing it
+
+       Returns the resulting top level namespace dictionary
+    """
+    loader = _get_loader(mod_name)
+    if loader is None:
+        raise ImportError("No module named " + mod_name)
+    code = loader.get_code(mod_name)
+    if code is None:
+        raise ImportError("No code object available for " + mod_name)
+    filename = _get_filename(loader, mod_name)
+    if run_name is None:
+        run_name = mod_name
+    return _run_module_code(code, init_globals, run_name,
+                            filename, loader, alter_sys)
+
+
+if __name__ == "__main__":
+    # Run the module specified as the next command line argument
+    if len(sys.argv) < 2:
+        print >> sys.stderr, "No module specified for execution"
+    else:
+        del sys.argv[0] # Make the requested module sys.argv[0]
+        run_module(sys.argv[0], run_name="__main__", alter_sys=True)
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index b4c229a..b850912 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -1136,9 +1136,6 @@
             s = _expectations[sys.platform]
             self.expected = set(s.split())
 
-            # this isn't a regularly run unit test, it is always skipped
-            self.expected.add('test_hashlib_speed')
-
             if not os.path.supports_unicode_filenames:
                 self.expected.add('test_pep277')
 
diff --git a/Lib/test/test_StringIO.py b/Lib/test/test_StringIO.py
index c61f7cc..cc3367f 100644
--- a/Lib/test/test_StringIO.py
+++ b/Lib/test/test_StringIO.py
@@ -75,6 +75,13 @@
         f.close()
         self.assertEqual(f.closed, True)
 
+    def test_isatty(self):
+        f = self.MODULE.StringIO()
+        self.assertRaises(TypeError, f.isatty, None)
+        self.assertEqual(f.isatty(), False)
+        f.close()
+        self.assertRaises(ValueError, f.isatty)
+
     def test_iterator(self):
         eq = self.assertEqual
         unless = self.failUnless
@@ -87,6 +94,8 @@
             eq(line, self._line + '\n')
             i += 1
         eq(i, 5)
+        self._fp.close()
+        self.assertRaises(ValueError, self._fp.next)
 
 class TestStringIO(TestGenericStringIO):
     MODULE = StringIO
diff --git a/Lib/test/test___all__.py b/Lib/test/test___all__.py
index 7bf5314..74a9cdf 100644
--- a/Lib/test/test___all__.py
+++ b/Lib/test/test___all__.py
@@ -5,8 +5,6 @@
 import sys
 import warnings
 
-warnings.filterwarnings("ignore", ".* 'pre' .*", DeprecationWarning,
-                        r'pre$')
 warnings.filterwarnings("ignore", ".* regsub .*", DeprecationWarning,
                         r'^regsub$')
 warnings.filterwarnings("ignore",
@@ -122,7 +120,6 @@
         self.check_all("poplib")
         self.check_all("posixpath")
         self.check_all("pprint")
-        self.check_all("pre")  # deprecated
         self.check_all("profile")
         self.check_all("pstats")
         self.check_all("pty")
diff --git a/Lib/test/test_codecs.py b/Lib/test/test_codecs.py
index 3944d65..913aa91 100644
--- a/Lib/test/test_codecs.py
+++ b/Lib/test/test_codecs.py
@@ -41,6 +41,33 @@
         self.assertEqual(r.bytebuffer, "")
         self.assertEqual(r.charbuffer, u"")
 
+        # do the check again, this time using a incremental decoder
+        d = codecs.getincrementaldecoder(self.encoding)()
+        result = u""
+        for (c, partialresult) in zip(input.encode(self.encoding), partialresults):
+            result += d.decode(c)
+            self.assertEqual(result, partialresult)
+        # check that there's nothing left in the buffers
+        self.assertEqual(d.decode("", True), u"")
+        self.assertEqual(d.buffer, "")
+
+        # Check whether the rest method works properly
+        d.reset()
+        result = u""
+        for (c, partialresult) in zip(input.encode(self.encoding), partialresults):
+            result += d.decode(c)
+            self.assertEqual(result, partialresult)
+        # check that there's nothing left in the buffers
+        self.assertEqual(d.decode("", True), u"")
+        self.assertEqual(d.buffer, "")
+
+        # check iterdecode()
+        encoded = input.encode(self.encoding)
+        self.assertEqual(
+            input,
+            u"".join(codecs.iterdecode(encoded, self.encoding))
+        )
+
     def test_readline(self):
         def getreader(input):
             stream = StringIO.StringIO(input.encode(self.encoding))
@@ -977,6 +1004,12 @@
     def test_basics(self):
         s = u"abc123" # all codecs should be able to encode these
         for encoding in all_unicode_encodings:
+            name = codecs.lookup(encoding).name
+            if encoding.endswith("_codec"):
+                name += "_codec"
+            elif encoding == "latin_1":
+                name = "latin_1"
+            self.assertEqual(encoding.replace("_", "-"), name.replace("_", "-"))
             (bytes, size) = codecs.getencoder(encoding)(s)
             if encoding != "unicode_internal":
                 self.assertEqual(size, len(s), "%r != %r (encoding=%r)" % (size, len(s), encoding))
@@ -999,6 +1032,30 @@
                     decodedresult += reader.read()
                 self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding))
 
+                # check incremental decoder/encoder and iterencode()/iterdecode()
+                try:
+                    encoder = codecs.getincrementalencoder(encoding)()
+                except LookupError: # no IncrementalEncoder
+                    pass
+                else:
+                    # check incremental decoder/encoder
+                    encodedresult = ""
+                    for c in s:
+                        encodedresult += encoder.encode(c)
+                    decoder = codecs.getincrementaldecoder(encoding)()
+                    decodedresult = u""
+                    for c in encodedresult:
+                        decodedresult += decoder.decode(c)
+                    self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding))
+
+                    # check iterencode()/iterdecode()
+                    result = u"".join(codecs.iterdecode(codecs.iterencode(s, encoding), encoding))
+                    self.assertEqual(result, s, "%r != %r (encoding=%r)" % (result, s, encoding))
+
+                    # check iterencode()/iterdecode() with empty string
+                    result = u"".join(codecs.iterdecode(codecs.iterencode(u"", encoding), encoding))
+                    self.assertEqual(result, u"")
+
     def test_seek(self):
         # all codecs should be able to encode these
         s = u"%s\n%s\n" % (100*u"abc123", 100*u"def456")
diff --git a/Lib/test/test_runpy.py b/Lib/test/test_runpy.py
new file mode 100644
index 0000000..88e9900
--- /dev/null
+++ b/Lib/test/test_runpy.py
@@ -0,0 +1,172 @@
+# Test the runpy module
+import unittest
+import os
+import os.path
+import sys
+import tempfile
+from test.test_support import verbose, run_unittest
+from runpy import _run_module_code, run_module
+
+# Set up the test code and expected results
+
+class RunModuleCodeTest(unittest.TestCase):
+
+    expected_result = ["Top level assignment", "Lower level reference"]
+    test_source = (
+        "# Check basic code execution\n"
+        "result = ['Top level assignment']\n"
+        "def f():\n"
+        "    result.append('Lower level reference')\n"
+        "f()\n"
+        "# Check the sys module\n"
+        "import sys\n"
+        "run_argv0 = sys.argv[0]\n"
+        "if __name__ in sys.modules:\n"
+        "    run_name = sys.modules[__name__].__name__\n"
+        "# Check nested operation\n"
+        "import runpy\n"
+        "nested = runpy._run_module_code('x=1\\n', mod_name='<run>',\n"
+        "                                          alter_sys=True)\n"
+    )
+
+
+    def test_run_module_code(self):
+        initial = object()
+        name = "<Nonsense>"
+        file = "Some other nonsense"
+        loader = "Now you're just being silly"
+        d1 = dict(initial=initial)
+        saved_argv0 = sys.argv[0]
+        d2 = _run_module_code(self.test_source,
+                              d1,
+                              name,
+                              file,
+                              loader,
+                              True)
+        self.failUnless("result" not in d1)
+        self.failUnless(d2["initial"] is initial)
+        self.failUnless(d2["result"] == self.expected_result)
+        self.failUnless(d2["nested"]["x"] == 1)
+        self.failUnless(d2["__name__"] is name)
+        self.failUnless(d2["run_name"] is name)
+        self.failUnless(d2["__file__"] is file)
+        self.failUnless(d2["run_argv0"] is file)
+        self.failUnless(d2["__loader__"] is loader)
+        self.failUnless(sys.argv[0] is saved_argv0)
+        self.failUnless(name not in sys.modules)
+
+    def test_run_module_code_defaults(self):
+        saved_argv0 = sys.argv[0]
+        d = _run_module_code(self.test_source)
+        self.failUnless(d["result"] == self.expected_result)
+        self.failUnless(d["__name__"] is None)
+        self.failUnless(d["__file__"] is None)
+        self.failUnless(d["__loader__"] is None)
+        self.failUnless(d["run_argv0"] is saved_argv0)
+        self.failUnless("run_name" not in d)
+        self.failUnless(sys.argv[0] is saved_argv0)
+
+class RunModuleTest(unittest.TestCase):
+
+    def expect_import_error(self, mod_name):
+        try:
+            run_module(mod_name)
+        except ImportError:
+            pass
+        else:
+            self.fail("Expected import error for " + mod_name)
+
+    def test_invalid_names(self):
+        self.expect_import_error("sys")
+        self.expect_import_error("sys.imp.eric")
+        self.expect_import_error("os.path.half")
+        self.expect_import_error("a.bee")
+        self.expect_import_error(".howard")
+        self.expect_import_error("..eaten")
+
+    def test_library_module(self):
+        run_module("runpy")
+
+    def _make_pkg(self, source, depth):
+        pkg_name = "__runpy_pkg__"
+        init_fname = "__init__"+os.extsep+"py"
+        test_fname = "runpy_test"+os.extsep+"py"
+        pkg_dir = sub_dir = tempfile.mkdtemp()
+        if verbose: print "  Package tree in:", sub_dir
+        sys.path.insert(0, pkg_dir)
+        if verbose: print "  Updated sys.path:", sys.path[0]
+        for i in range(depth):
+            sub_dir = os.path.join(sub_dir, pkg_name)
+            os.mkdir(sub_dir)
+            if verbose: print "  Next level in:", sub_dir
+            pkg_fname = os.path.join(sub_dir, init_fname)
+            pkg_file = open(pkg_fname, "w")
+            pkg_file.close()
+            if verbose: print "  Created:", pkg_fname
+        mod_fname = os.path.join(sub_dir, test_fname)
+        mod_file = open(mod_fname, "w")
+        mod_file.write(source)
+        mod_file.close()
+        if verbose: print "  Created:", mod_fname
+        mod_name = (pkg_name+".")*depth + "runpy_test"
+        return pkg_dir, mod_fname, mod_name
+
+    def _del_pkg(self, top, depth, mod_name):
+        for i in range(depth+1): # Don't forget the module itself
+            parts = mod_name.rsplit(".", i)
+            entry = parts[0]
+            try:
+                del sys.modules[entry]
+            except KeyError, ex:
+                if verbose: print ex # Persist with cleaning up
+        if verbose: print "  Removed sys.modules entries"
+        del sys.path[0]
+        if verbose: print "  Removed sys.path entry"
+        for root, dirs, files in os.walk(top, topdown=False):
+            for name in files:
+                try:
+                    os.remove(os.path.join(root, name))
+                except OSError, ex:
+                    if verbose: print ex # Persist with cleaning up
+            for name in dirs:
+                fullname = os.path.join(root, name)
+                try:
+                    os.rmdir(fullname)
+                except OSError, ex:
+                    if verbose: print ex # Persist with cleaning up
+        try:
+            os.rmdir(top)
+            if verbose: print "  Removed package tree"
+        except OSError, ex:
+            if verbose: print ex # Persist with cleaning up
+
+    def _check_module(self, depth):
+        pkg_dir, mod_fname, mod_name = (
+               self._make_pkg("x=1\n", depth))
+        try:
+            if verbose: print "Running from source:", mod_name
+            d1 = run_module(mod_name) # Read from source
+            self.failUnless(d1["x"] == 1)
+            del d1 # Ensure __loader__ entry doesn't keep file open
+            __import__(mod_name)
+            os.remove(mod_fname)
+            if verbose: print "Running from compiled:", mod_name
+            d2 = run_module(mod_name) # Read from bytecode
+            self.failUnless(d2["x"] == 1)
+            del d2 # Ensure __loader__ entry doesn't keep file open
+        finally:
+            self._del_pkg(pkg_dir, depth, mod_name)
+        if verbose: print "Module executed successfully"
+
+    def test_run_module(self):
+        for depth in range(4):
+            if verbose: print "Testing package depth:", depth
+            self._check_module(depth)
+
+
+def test_main():
+    run_unittest(RunModuleCodeTest)
+    run_unittest(RunModuleTest)
+
+if __name__ == "__main__":
+    test_main()
diff --git a/Lib/test/test_hashlib_speed.py b/Lib/test/time_hashlib.py
similarity index 92%
rename from Lib/test/test_hashlib_speed.py
rename to Lib/test/time_hashlib.py
index c84a62b..1bf707d 100644
--- a/Lib/test/test_hashlib_speed.py
+++ b/Lib/test/time_hashlib.py
@@ -1,15 +1,14 @@
+# It's intended that this script be run by hand.  It runs speed tests on
+# hashlib functions; it does not test for correctness.
 
 import sys, time
 import hashlib
-from test import test_support
 
 
 def creatorFunc():
     raise RuntimeError, "eek, creatorFunc not overridden"
 
-
 def test_scaled_msg(scale, name):
-
     iterations = 106201/scale * 20
     longStr = 'Z'*scale
 
@@ -39,10 +38,6 @@
 
 
 
-### this 'test' is not normally run.  skip it if the test runner finds it
-if __name__ != '__main__':
-    raise test_support.TestSkipped, "not a unit test (stand alone benchmark)"
-
 hName = sys.argv[1]
 
 #