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..f8d2a2a 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,\
+                  '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__)
+                '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..4700a8c 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
@@ -550,3 +563,4 @@
     0x00FE: 0x8E,       #  LATIN SMALL LETTER THORN (ICELANDIC)
     0x00FF: 0xDF,       #  LATIN SMALL LETTER Y WITH DIAERESIS
 }
+
diff --git a/Lib/encodings/cp1006.py b/Lib/encodings/cp1006.py
index d94563d..9813e7e 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
@@ -549,3 +562,4 @@
     0xFEF2: 0xFA,       #  ARABIC LETTER YEH FINAL FORM
     0xFEF3: 0xFB,       #  ARABIC LETTER YEH INITIAL FORM
 }
+
diff --git a/Lib/encodings/cp1026.py b/Lib/encodings/cp1026.py
index 648bed0..7014393 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
@@ -550,3 +563,4 @@
     0x015E: 0x7C,       #  LATIN CAPITAL LETTER S WITH CEDILLA
     0x015F: 0x6A,       #  LATIN SMALL LETTER S WITH CEDILLA
 }
+
diff --git a/Lib/encodings/cp1140.py b/Lib/encodings/cp1140.py
index 6507552..09b70b2 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
@@ -550,3 +563,4 @@
     0x00FF: 0xDF,       #  LATIN SMALL LETTER Y WITH DIAERESIS
     0x20AC: 0x9F,       #  EURO SIGN
 }
+
diff --git a/Lib/encodings/cp1250.py b/Lib/encodings/cp1250.py
index 73427bc..8eadbbf 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
@@ -545,3 +558,4 @@
     0x20AC: 0x80,       #  EURO SIGN
     0x2122: 0x99,       #  TRADE MARK SIGN
 }
+
diff --git a/Lib/encodings/cp1251.py b/Lib/encodings/cp1251.py
index f3e107ef..517a554 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
@@ -549,3 +562,4 @@
     0x2116: 0xB9,       #  NUMERO SIGN
     0x2122: 0x99,       #  TRADE MARK SIGN
 }
+
diff --git a/Lib/encodings/cp1252.py b/Lib/encodings/cp1252.py
index ea7561d..c695443 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
@@ -545,3 +558,4 @@
     0x20AC: 0x80,       #  EURO SIGN
     0x2122: 0x99,       #  TRADE MARK SIGN
 }
+
diff --git a/Lib/encodings/cp1253.py b/Lib/encodings/cp1253.py
index 5feefb3..693407a 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
@@ -533,3 +546,4 @@
     0x20AC: 0x80,       #  EURO SIGN
     0x2122: 0x99,       #  TRADE MARK SIGN
 }
+
diff --git a/Lib/encodings/cp1254.py b/Lib/encodings/cp1254.py
index 6769e1b..cb71f4b 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
@@ -543,3 +556,4 @@
     0x20AC: 0x80,       #  EURO SIGN
     0x2122: 0x99,       #  TRADE MARK SIGN
 }
+
diff --git a/Lib/encodings/cp1255.py b/Lib/encodings/cp1255.py
index b994f9d..376e797 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
@@ -527,3 +540,4 @@
     0x20AC: 0x80,       #  EURO SIGN
     0x2122: 0x99,       #  TRADE MARK SIGN
 }
+
diff --git a/Lib/encodings/cp1256.py b/Lib/encodings/cp1256.py
index 5da425e..bb6895f 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
@@ -550,3 +563,4 @@
     0x20AC: 0x80,       #  EURO SIGN
     0x2122: 0x99,       #  TRADE MARK SIGN
 }
+
diff --git a/Lib/encodings/cp1257.py b/Lib/encodings/cp1257.py
index 237a531..08a3fb9 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
@@ -538,3 +551,4 @@
     0x20AC: 0x80,       #  EURO SIGN
     0x2122: 0x99,       #  TRADE MARK SIGN
 }
+
diff --git a/Lib/encodings/cp1258.py b/Lib/encodings/cp1258.py
index 5de3fd8..eecfcbf 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
@@ -541,3 +554,4 @@
     0x20AC: 0x80,       #  EURO SIGN
     0x2122: 0x99,       #  TRADE MARK SIGN
 }
+
diff --git a/Lib/encodings/cp424.py b/Lib/encodings/cp424.py
index d19c756..9812ccd 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
@@ -512,3 +525,4 @@
     0x05EA: 0x71,       #  HEBREW LETTER TAV
     0x2017: 0x78,       #  DOUBLE LOW LINE
 }
+
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..5b843d1 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
@@ -550,3 +563,4 @@
     0x00FE: 0x8E,       #  LATIN SMALL LETTER THORN (ICELANDIC)
     0x00FF: 0xDF,       #  LATIN SMALL LETTER Y WITH DIAERESIS
 }
+
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..7941b27 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
@@ -509,3 +522,4 @@
     0x2593: 0xB2,       #  DARK SHADE
     0x25A0: 0xFE,       #  BLACK SQUARE
 }
+
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..d2de389 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
@@ -519,3 +532,4 @@
     0x2026: 0x85,       #  HORIZONTAL ELLIPSIS
     0x20AC: 0x80,       #  EURO SIGN
 }
+
diff --git a/Lib/encodings/cp875.py b/Lib/encodings/cp875.py
index ccebb84..3f24fd3 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
@@ -544,3 +557,4 @@
     0x2018: 0xCE,       #  LEFT SINGLE QUOTATION MARK
     0x2019: 0xDE,       #  RIGHT SINGLE QUOTATION MARK
 }
+
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..8eb98c2 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
@@ -550,3 +563,4 @@
     0x00FE: 0xFE,       #  LATIN SMALL LETTER THORN (Icelandic)
     0x00FF: 0xFF,       #  LATIN SMALL LETTER Y WITH DIAERESIS
 }
+
diff --git a/Lib/encodings/iso8859_10.py b/Lib/encodings/iso8859_10.py
index 26b55c9..ff2c6db 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
@@ -550,3 +563,4 @@
     0x017E: 0xBC,       #  LATIN SMALL LETTER Z WITH CARON
     0x2015: 0xBD,       #  HORIZONTAL BAR
 }
+
diff --git a/Lib/encodings/iso8859_11.py b/Lib/encodings/iso8859_11.py
index ef17167..a487291 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
@@ -542,3 +555,4 @@
     0x0E5A: 0xFA,       #  THAI CHARACTER ANGKHANKHU
     0x0E5B: 0xFB,       #  THAI CHARACTER KHOMUT
 }
+
diff --git a/Lib/encodings/iso8859_13.py b/Lib/encodings/iso8859_13.py
index 0e10c7d..fc59d04 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
@@ -550,3 +563,4 @@
     0x201D: 0xA1,       #  RIGHT DOUBLE QUOTATION MARK
     0x201E: 0xA5,       #  DOUBLE LOW-9 QUOTATION MARK
 }
+
diff --git a/Lib/encodings/iso8859_14.py b/Lib/encodings/iso8859_14.py
index b981031..f8d9637 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
@@ -550,3 +563,4 @@
     0x1EF2: 0xAC,       #  LATIN CAPITAL LETTER Y WITH GRAVE
     0x1EF3: 0xBC,       #  LATIN SMALL LETTER Y WITH GRAVE
 }
+
diff --git a/Lib/encodings/iso8859_15.py b/Lib/encodings/iso8859_15.py
index f50a904..5e01238 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
@@ -550,3 +563,4 @@
     0x017E: 0xB8,       #  LATIN SMALL LETTER Z WITH CARON
     0x20AC: 0xA4,       #  EURO SIGN
 }
+
diff --git a/Lib/encodings/iso8859_16.py b/Lib/encodings/iso8859_16.py
index ce8bc5b..0578a21 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
@@ -550,3 +563,4 @@
     0x201E: 0xA5,       #  DOUBLE LOW-9 QUOTATION MARK
     0x20AC: 0xA4,       #  EURO SIGN
 }
+
diff --git a/Lib/encodings/iso8859_2.py b/Lib/encodings/iso8859_2.py
index 417b451..85a5b63 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
@@ -550,3 +563,4 @@
     0x02DB: 0xB2,       #  OGONEK
     0x02DD: 0xBD,       #  DOUBLE ACUTE ACCENT
 }
+
diff --git a/Lib/encodings/iso8859_3.py b/Lib/encodings/iso8859_3.py
index c3ad3a9..cac335d 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
@@ -543,3 +556,4 @@
     0x02D8: 0xA2,       #  BREVE
     0x02D9: 0xFF,       #  DOT ABOVE
 }
+
diff --git a/Lib/encodings/iso8859_4.py b/Lib/encodings/iso8859_4.py
index b65685a..ecd7fb2 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
@@ -550,3 +563,4 @@
     0x02D9: 0xFF,       #  DOT ABOVE
     0x02DB: 0xB2,       #  OGONEK
 }
+
diff --git a/Lib/encodings/iso8859_5.py b/Lib/encodings/iso8859_5.py
index 59fe372..4e377df 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
@@ -550,3 +563,4 @@
     0x045F: 0xFF,       #  CYRILLIC SMALL LETTER DZHE
     0x2116: 0xF0,       #  NUMERO SIGN
 }
+
diff --git a/Lib/encodings/iso8859_6.py b/Lib/encodings/iso8859_6.py
index b07661d..ca5b125 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
@@ -505,3 +518,4 @@
     0x0651: 0xF1,       #  ARABIC SHADDA
     0x0652: 0xF2,       #  ARABIC SUKUN
 }
+
diff --git a/Lib/encodings/iso8859_7.py b/Lib/encodings/iso8859_7.py
index 54d0997..d1adb48 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
@@ -547,3 +560,4 @@
     0x20AC: 0xA4,       #  EURO SIGN
     0x20AF: 0xA5,       #  DRACHMA SIGN
 }
+
diff --git a/Lib/encodings/iso8859_8.py b/Lib/encodings/iso8859_8.py
index 24ba1bb..d935092 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
@@ -514,3 +527,4 @@
     0x200F: 0xFE,       #  RIGHT-TO-LEFT MARK
     0x2017: 0xDF,       #  DOUBLE LOW LINE
 }
+
diff --git a/Lib/encodings/iso8859_9.py b/Lib/encodings/iso8859_9.py
index 940d92b..d2bb92c 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
@@ -550,3 +563,4 @@
     0x015E: 0xDE,       #  LATIN CAPITAL LETTER S WITH CEDILLA
     0x015F: 0xFE,       #  LATIN SMALL LETTER S WITH CEDILLA
 }
+
diff --git a/Lib/encodings/koi8_r.py b/Lib/encodings/koi8_r.py
index f2723de..fa0fcdb 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
@@ -550,3 +563,4 @@
     0x2593: 0x92,       #  DARK SHADE
     0x25A0: 0x94,       #  BLACK SQUARE
 }
+
diff --git a/Lib/encodings/koi8_u.py b/Lib/encodings/koi8_u.py
index 9bbcf7c..4709d9c 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
@@ -550,3 +563,4 @@
     0x2593: 0x92,       #  DARK SHADE
     0x25A0: 0x94,       #  BLACK SQUARE
 }
+
diff --git a/Lib/encodings/latin_1.py b/Lib/encodings/latin_1.py
index 0e55917..b2a0839 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 +39,13 @@
 ### encodings module API
 
 def getregentry():
+    return codecs.CodecInfo(
+        name='iso8859-1',
+        encode=Codec.encode,
+        decode=Codec.decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
 
-    return (Codec.encode,Codec.decode,StreamReader,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..241712e 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
@@ -550,3 +563,4 @@
     0x2265: 0xB3,       #  GREATER-THAN OR EQUAL TO
     0x25CA: 0xD7,       #  LOZENGE
 }
+
diff --git a/Lib/encodings/mac_croatian.py b/Lib/encodings/mac_croatian.py
index 96e1187..6ef72ae 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
@@ -550,3 +563,4 @@
     0x25CA: 0xD7,       #  LOZENGE
     0xF8FF: 0xD8,       #  Apple logo
 }
+
diff --git a/Lib/encodings/mac_cyrillic.py b/Lib/encodings/mac_cyrillic.py
index f1b1fb0..ada395c 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
@@ -550,3 +563,4 @@
     0x2264: 0xB2,       #  LESS-THAN OR EQUAL TO
     0x2265: 0xB3,       #  GREATER-THAN OR EQUAL TO
 }
+
diff --git a/Lib/encodings/mac_farsi.py b/Lib/encodings/mac_farsi.py
index 2b61e27..c83b6ad 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
@@ -550,3 +563,4 @@
     0x2026: 0x93,       #  HORIZONTAL ELLIPSIS, right-left
     0x274A: 0xC0,       #  EIGHT TEARDROP-SPOKED PROPELLER ASTERISK, right-left
 }
+
diff --git a/Lib/encodings/mac_greek.py b/Lib/encodings/mac_greek.py
index c2dd26f..aa1894b 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
@@ -550,3 +563,4 @@
     0x2264: 0xB2,       #  LESS-THAN OR EQUAL TO
     0x2265: 0xB3,       #  GREATER-THAN OR EQUAL TO
 }
+
diff --git a/Lib/encodings/mac_iceland.py b/Lib/encodings/mac_iceland.py
index d305d29..0c3f054 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
@@ -550,3 +563,4 @@
     0x25CA: 0xD7,       #  LOZENGE
     0xF8FF: 0xF0,       #  Apple logo
 }
+
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..2de8ab5 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
@@ -550,3 +563,4 @@
     0xFB01: 0xDE,       #  LATIN SMALL LIGATURE FI
     0xFB02: 0xDF,       #  LATIN SMALL LIGATURE FL
 }
+
diff --git a/Lib/encodings/mac_romanian.py b/Lib/encodings/mac_romanian.py
index 5c35a64..f8826de 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
@@ -550,3 +563,4 @@
     0x25CA: 0xD7,       #  LOZENGE
     0xF8FF: 0xF0,       #  Apple logo
 }
+
diff --git a/Lib/encodings/mac_turkish.py b/Lib/encodings/mac_turkish.py
index 79894ba..aee3f7e 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
@@ -550,3 +563,4 @@
     0xF8A0: 0xF5,       #  undefined1
     0xF8FF: 0xF0,       #  Apple logo
 }
+
diff --git a/Lib/encodings/mbcs.py b/Lib/encodings/mbcs.py
index c79f47c..14db973 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.mbs_encode(input,self.errors)[0]
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.mbs_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..b0a8e4c 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
@@ -541,3 +554,4 @@
     0x0E5A: 0xFA,       #  THAI CHARACTER ANGKHANKHU
     0x0E5B: 0xFB,       #  THAI CHARACTER KHOMUT
 }
+
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..7b11d59 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,
+    )
\ No newline at end of file
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/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")