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Deleted trailing whitespace. This is really a way to be able to add

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a missing part of the previous checkin message:

Marc-Andre Lemburg:

Added encoding name attributes to wrapper classes which
allow applications to check the used encoding names.
This commit is contained in:
Guido van Rossum 2000-04-11 15:41:38 +00:00
parent 004d64f362
commit 1c89b0eeef
1 changed files with 14 additions and 14 deletions
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28
Lib/codecs.py
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@ -27,7 +27,7 @@ BOM = struct.pack('=H',0xFEFF)
BOM_BE = BOM32_BE = '\376\377' BOM_BE = BOM32_BE = '\376\377'
# corresponds to Unicode U+FEFF in UTF-16 on big endian # corresponds to Unicode U+FEFF in UTF-16 on big endian
# platforms == ZERO WIDTH NO-BREAK SPACE # platforms == ZERO WIDTH NO-BREAK SPACE
BOM_LE = BOM32_LE = '\377\376' BOM_LE = BOM32_LE = '\377\376'
# corresponds to Unicode U+FFFE in UTF-16 on little endian # corresponds to Unicode U+FFFE in UTF-16 on little endian
# platforms == defined as being an illegal Unicode character # platforms == defined as being an illegal Unicode character
@ -58,7 +58,7 @@ class Codec:
""" """
def encode(self,input,errors='strict'): def encode(self,input,errors='strict'):
""" Encodes the object input and returns a tuple (output """ Encodes the object input and returns a tuple (output
object, length consumed). object, length consumed).
@ -84,7 +84,7 @@ class Codec:
input must be an object which provides the bf_getreadbuf input must be an object which provides the bf_getreadbuf
buffer slot. Python strings, buffer objects and memory buffer slot. Python strings, buffer objects and memory
mapped files are examples of objects providing this slot. mapped files are examples of objects providing this slot.
errors defines the error handling to apply. It defaults to errors defines the error handling to apply. It defaults to
'strict' handling. 'strict' handling.
@ -96,7 +96,7 @@ class Codec:
return an empty object of the output object type in this return an empty object of the output object type in this
situation. situation.
""" """
raise NotImplementedError raise NotImplementedError
# #
@ -104,7 +104,7 @@ class Codec:
# interfaces which can be used to implement new encodings submodules # interfaces which can be used to implement new encodings submodules
# very easily. See encodings/utf_8.py for an example on how this is # very easily. See encodings/utf_8.py for an example on how this is
# done. # done.
# #
class StreamWriter(Codec): class StreamWriter(Codec):
@ -140,7 +140,7 @@ class StreamWriter(Codec):
using .write(). using .write().
""" """
self.write(''.join(list)) self.write(''.join(list))
def reset(self): def reset(self):
""" Flushes and resets the codec buffers used for keeping state. """ Flushes and resets the codec buffers used for keeping state.
@ -206,7 +206,7 @@ class StreamReader(Codec):
# Unsliced reading: # Unsliced reading:
if size < 0: if size < 0:
return self.decode(self.stream.read())[0] return self.decode(self.stream.read())[0]
# Sliced reading: # Sliced reading:
read = self.stream.read read = self.stream.read
decode = self.decode decode = self.decode
@ -238,14 +238,14 @@ class StreamReader(Codec):
size, if given, is passed as size argument to the stream's size, if given, is passed as size argument to the stream's
.readline() method. .readline() method.
""" """
if size is None: if size is None:
line = self.stream.readline() line = self.stream.readline()
else: else:
line = self.stream.readline(size) line = self.stream.readline(size)
return self.decode(line)[0] return self.decode(line)[0]
def readlines(self, sizehint=0): def readlines(self, sizehint=0):
@ -254,7 +254,7 @@ class StreamReader(Codec):
Line breaks are implemented using the codec's decoder Line breaks are implemented using the codec's decoder
method and are included in the list entries. method and are included in the list entries.
sizehint, if given, is passed as size argument to the sizehint, if given, is passed as size argument to the
stream's .read() method. stream's .read() method.
@ -354,7 +354,7 @@ class StreamRecoder:
""" Creates a StreamRecoder instance which implements a two-way """ Creates a StreamRecoder instance which implements a two-way
conversion: encode and decode work on the frontend (the conversion: encode and decode work on the frontend (the
input to .read() and output of .write()) while input to .read() and output of .write()) while
Reader and Writer work on the backend (reading and Reader and Writer work on the backend (reading and
writing to the stream). writing to the stream).
@ -502,13 +502,13 @@ def EncodedFile(file, data_encoding, file_encoding=None, errors='strict'):
return sr return sr
### Tests ### Tests
if __name__ == '__main__': if __name__ == '__main__':
import sys import sys
# Make stdout translate Latin-1 output into UTF-8 output # Make stdout translate Latin-1 output into UTF-8 output
sys.stdout = EncodedFile(sys.stdout, 'latin-1', 'utf-8') sys.stdout = EncodedFile(sys.stdout, 'latin-1', 'utf-8')
# Have stdin translate Latin-1 input into UTF-8 input # Have stdin translate Latin-1 input into UTF-8 input
sys.stdin = EncodedFile(sys.stdin, 'utf-8', 'latin-1') sys.stdin = EncodedFile(sys.stdin, 'utf-8', 'latin-1')