Patch #1436130: codecs.lookup() now returns a CodecInfo object (a subclass
of tuple) that provides incremental decoders and encoders (a way to use
stateful codecs without the stream API). Functions
codecs.getincrementaldecoder() and codecs.getincrementalencoder() have
been added.
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,
+ )