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authorWalter Dörwald <walter@livinglogic.de>2007-06-12 16:40:17 (GMT)
committerWalter Dörwald <walter@livinglogic.de>2007-06-12 16:40:17 (GMT)
commit42748a8d6dc121d5311668a0fe005c277b7d0220 (patch)
tree7c463d2780b8e6683e21848efac677f19daa30cb /Lib/encodings
parent6e8fcae38f119b95be0c707b7a44db209c485c84 (diff)
downloadcpython-42748a8d6dc121d5311668a0fe005c277b7d0220.zip
cpython-42748a8d6dc121d5311668a0fe005c277b7d0220.tar.gz
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Rip out all codecs that can't work in a unicode/bytes world:
base64, uu, zlib, rot_13, hex, quopri, bz2, string_escape. However codecs.escape_encode() and codecs.escape_decode() still exist, as they are used for pickling str8 objects (so those two functions can go, when the str8 type is removed).
Diffstat (limited to 'Lib/encodings')
-rw-r--r--Lib/encodings/base64_codec.py79
-rw-r--r--Lib/encodings/hex_codec.py79
-rw-r--r--Lib/encodings/quopri_codec.py74
-rw-r--r--Lib/encodings/rot_13.py118
-rw-r--r--Lib/encodings/string_escape.py38
-rw-r--r--Lib/encodings/uu_codec.py128
-rw-r--r--Lib/encodings/zlib_codec.py102
7 files changed, 0 insertions, 618 deletions
diff --git a/Lib/encodings/base64_codec.py b/Lib/encodings/base64_codec.py
deleted file mode 100644
index e6a1e65..0000000
--- a/Lib/encodings/base64_codec.py
+++ /dev/null
@@ -1,79 +0,0 @@
-""" Python 'base64_codec' Codec - base64 content transfer encoding
-
- Unlike most of the other codecs which target Unicode, this codec
- will return Python string objects for both encode and decode.
-
- Written by Marc-Andre Lemburg (mal@lemburg.com).
-
-"""
-import codecs, base64
-
-### Codec APIs
-
-def base64_encode(input,errors='strict'):
-
- """ Encodes the object input and returns a tuple (output
- object, length consumed).
-
- errors defines the error handling to apply. It defaults to
- 'strict' handling which is the only currently supported
- error handling for this codec.
-
- """
- assert errors == 'strict'
- output = bytes(base64.encodestring(input))
- return (output, len(input))
-
-def base64_decode(input,errors='strict'):
-
- """ Decodes the object input and returns a tuple (output
- object, length consumed).
-
- input must be an object which provides the bf_getreadbuf
- buffer slot. Python strings, buffer objects and memory
- mapped files are examples of objects providing this slot.
-
- errors defines the error handling to apply. It defaults to
- 'strict' handling which is the only currently supported
- error handling for this codec.
-
- """
- assert errors == 'strict'
- output = base64.decodestring(input)
- return (output, len(input))
-
-class Codec(codecs.Codec):
-
- def encode(self, input,errors='strict'):
- return base64_encode(input,errors)
- 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
-
-class StreamReader(Codec,codecs.StreamReader):
- pass
-
-### encodings module API
-
-def getregentry():
- return codecs.CodecInfo(
- name='base64',
- encode=base64_encode,
- decode=base64_decode,
- incrementalencoder=IncrementalEncoder,
- incrementaldecoder=IncrementalDecoder,
- streamwriter=StreamWriter,
- streamreader=StreamReader,
- )
diff --git a/Lib/encodings/hex_codec.py b/Lib/encodings/hex_codec.py
deleted file mode 100644
index 91b38d9..0000000
--- a/Lib/encodings/hex_codec.py
+++ /dev/null
@@ -1,79 +0,0 @@
-""" Python 'hex_codec' Codec - 2-digit hex content transfer encoding
-
- Unlike most of the other codecs which target Unicode, this codec
- will return Python string objects for both encode and decode.
-
- Written by Marc-Andre Lemburg (mal@lemburg.com).
-
-"""
-import codecs, binascii
-
-### Codec APIs
-
-def hex_encode(input,errors='strict'):
-
- """ Encodes the object input and returns a tuple (output
- object, length consumed).
-
- errors defines the error handling to apply. It defaults to
- 'strict' handling which is the only currently supported
- error handling for this codec.
-
- """
- assert errors == 'strict'
- output = binascii.b2a_hex(input)
- return (output, len(input))
-
-def hex_decode(input,errors='strict'):
-
- """ Decodes the object input and returns a tuple (output
- object, length consumed).
-
- input must be an object which provides the bf_getreadbuf
- buffer slot. Python strings, buffer objects and memory
- mapped files are examples of objects providing this slot.
-
- errors defines the error handling to apply. It defaults to
- 'strict' handling which is the only currently supported
- error handling for this codec.
-
- """
- assert errors == 'strict'
- output = binascii.a2b_hex(input)
- return (output, len(input))
-
-class Codec(codecs.Codec):
-
- def encode(self, input,errors='strict'):
- return hex_encode(input,errors)
- 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
-
-class StreamReader(Codec,codecs.StreamReader):
- pass
-
-### encodings module API
-
-def getregentry():
- return codecs.CodecInfo(
- name='hex',
- encode=hex_encode,
- decode=hex_decode,
- incrementalencoder=IncrementalEncoder,
- incrementaldecoder=IncrementalDecoder,
- streamwriter=StreamWriter,
- streamreader=StreamReader,
- )
diff --git a/Lib/encodings/quopri_codec.py b/Lib/encodings/quopri_codec.py
deleted file mode 100644
index b802ae6..0000000
--- a/Lib/encodings/quopri_codec.py
+++ /dev/null
@@ -1,74 +0,0 @@
-"""Codec for quoted-printable encoding.
-
-Like base64 and rot13, this returns Python strings, not Unicode.
-"""
-
-import codecs, quopri
-try:
- from cStringIO import StringIO
-except ImportError:
- from StringIO import StringIO
-
-def quopri_encode(input, errors='strict'):
- """Encode the input, returning a tuple (output object, length consumed).
-
- errors defines the error handling to apply. It defaults to
- 'strict' handling which is the only currently supported
- error handling for this codec.
-
- """
- assert errors == 'strict'
- f = StringIO(input)
- g = StringIO()
- quopri.encode(f, g, 1)
- output = g.getvalue()
- return (output, len(input))
-
-def quopri_decode(input, errors='strict'):
- """Decode the input, returning a tuple (output object, length consumed).
-
- errors defines the error handling to apply. It defaults to
- 'strict' handling which is the only currently supported
- error handling for this codec.
-
- """
- assert errors == 'strict'
- f = StringIO(input)
- g = StringIO()
- quopri.decode(f, g)
- output = g.getvalue()
- return (output, len(input))
-
-class Codec(codecs.Codec):
-
- def encode(self, input,errors='strict'):
- return quopri_encode(input,errors)
- 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
-
-class StreamReader(Codec,codecs.StreamReader):
- pass
-
-# encodings module API
-
-def getregentry():
- return codecs.CodecInfo(
- name='quopri',
- encode=quopri_encode,
- decode=quopri_decode,
- incrementalencoder=IncrementalEncoder,
- incrementaldecoder=IncrementalDecoder,
- streamwriter=StreamWriter,
- streamreader=StreamReader,
- )
diff --git a/Lib/encodings/rot_13.py b/Lib/encodings/rot_13.py
deleted file mode 100644
index 52b6431..0000000
--- a/Lib/encodings/rot_13.py
+++ /dev/null
@@ -1,118 +0,0 @@
-#!/usr/bin/env python
-""" Python Character Mapping Codec for ROT13.
-
- See http://ucsub.colorado.edu/~kominek/rot13/ for details.
-
- Written by Marc-Andre Lemburg (mal@lemburg.com).
-
-"""#"
-
-import codecs
-
-### Codec APIs
-
-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
-
-class StreamReader(Codec,codecs.StreamReader):
- pass
-
-### encodings module API
-
-def getregentry():
- return codecs.CodecInfo(
- name='rot-13',
- encode=Codec().encode,
- decode=Codec().decode,
- incrementalencoder=IncrementalEncoder,
- incrementaldecoder=IncrementalDecoder,
- streamwriter=StreamWriter,
- streamreader=StreamReader,
- )
-
-### Decoding Map
-
-decoding_map = codecs.make_identity_dict(range(256))
-decoding_map.update({
- 0x0041: 0x004e,
- 0x0042: 0x004f,
- 0x0043: 0x0050,
- 0x0044: 0x0051,
- 0x0045: 0x0052,
- 0x0046: 0x0053,
- 0x0047: 0x0054,
- 0x0048: 0x0055,
- 0x0049: 0x0056,
- 0x004a: 0x0057,
- 0x004b: 0x0058,
- 0x004c: 0x0059,
- 0x004d: 0x005a,
- 0x004e: 0x0041,
- 0x004f: 0x0042,
- 0x0050: 0x0043,
- 0x0051: 0x0044,
- 0x0052: 0x0045,
- 0x0053: 0x0046,
- 0x0054: 0x0047,
- 0x0055: 0x0048,
- 0x0056: 0x0049,
- 0x0057: 0x004a,
- 0x0058: 0x004b,
- 0x0059: 0x004c,
- 0x005a: 0x004d,
- 0x0061: 0x006e,
- 0x0062: 0x006f,
- 0x0063: 0x0070,
- 0x0064: 0x0071,
- 0x0065: 0x0072,
- 0x0066: 0x0073,
- 0x0067: 0x0074,
- 0x0068: 0x0075,
- 0x0069: 0x0076,
- 0x006a: 0x0077,
- 0x006b: 0x0078,
- 0x006c: 0x0079,
- 0x006d: 0x007a,
- 0x006e: 0x0061,
- 0x006f: 0x0062,
- 0x0070: 0x0063,
- 0x0071: 0x0064,
- 0x0072: 0x0065,
- 0x0073: 0x0066,
- 0x0074: 0x0067,
- 0x0075: 0x0068,
- 0x0076: 0x0069,
- 0x0077: 0x006a,
- 0x0078: 0x006b,
- 0x0079: 0x006c,
- 0x007a: 0x006d,
-})
-
-### Encoding Map
-
-encoding_map = codecs.make_encoding_map(decoding_map)
-
-### Filter API
-
-def rot13(infile, outfile):
- outfile.write(infile.read().encode('rot-13'))
-
-if __name__ == '__main__':
- import sys
- rot13(sys.stdin, sys.stdout)
diff --git a/Lib/encodings/string_escape.py b/Lib/encodings/string_escape.py
deleted file mode 100644
index e329a26..0000000
--- a/Lib/encodings/string_escape.py
+++ /dev/null
@@ -1,38 +0,0 @@
-# -*- coding: iso-8859-1 -*-
-""" Python 'escape' Codec
-
-
-Written by Martin v. Löwis (martin@v.loewis.de).
-
-"""
-import codecs
-
-class Codec(codecs.Codec):
-
- 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
-
-class StreamReader(Codec,codecs.StreamReader):
- pass
-
-def getregentry():
- 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/uu_codec.py b/Lib/encodings/uu_codec.py
deleted file mode 100644
index 3baf779..0000000
--- a/Lib/encodings/uu_codec.py
+++ /dev/null
@@ -1,128 +0,0 @@
-""" Python 'uu_codec' Codec - UU content transfer encoding
-
- Unlike most of the other codecs which target Unicode, this codec
- will return Python string objects for both encode and decode.
-
- Written by Marc-Andre Lemburg (mal@lemburg.com). Some details were
- adapted from uu.py which was written by Lance Ellinghouse and
- modified by Jack Jansen and Fredrik Lundh.
-
-"""
-import codecs, binascii
-
-### Codec APIs
-
-def uu_encode(input,errors='strict',filename='<data>',mode=0666):
-
- """ Encodes the object input and returns a tuple (output
- object, length consumed).
-
- errors defines the error handling to apply. It defaults to
- 'strict' handling which is the only currently supported
- error handling for this codec.
-
- """
- assert errors == 'strict'
- from cStringIO import StringIO
- from binascii import b2a_uu
- infile = StringIO(input)
- outfile = StringIO()
- read = infile.read
- write = outfile.write
-
- # Encode
- write('begin %o %s\n' % (mode & 0777, filename))
- chunk = read(45)
- while chunk:
- write(b2a_uu(chunk))
- chunk = read(45)
- write(' \nend\n')
-
- return (outfile.getvalue(), len(input))
-
-def uu_decode(input,errors='strict'):
-
- """ Decodes the object input and returns a tuple (output
- object, length consumed).
-
- input must be an object which provides the bf_getreadbuf
- buffer slot. Python strings, buffer objects and memory
- mapped files are examples of objects providing this slot.
-
- errors defines the error handling to apply. It defaults to
- 'strict' handling which is the only currently supported
- error handling for this codec.
-
- Note: filename and file mode information in the input data is
- ignored.
-
- """
- assert errors == 'strict'
- from cStringIO import StringIO
- from binascii import a2b_uu
- infile = StringIO(input)
- outfile = StringIO()
- readline = infile.readline
- write = outfile.write
-
- # Find start of encoded data
- while 1:
- s = readline()
- if not s:
- raise ValueError, 'Missing "begin" line in input data'
- if s[:5] == 'begin':
- break
-
- # Decode
- while 1:
- s = readline()
- if not s or \
- s == 'end\n':
- break
- try:
- data = a2b_uu(s)
- except binascii.Error as v:
- # Workaround for broken uuencoders by /Fredrik Lundh
- nbytes = (((ord(s[0])-32) & 63) * 4 + 5) / 3
- data = a2b_uu(s[:nbytes])
- #sys.stderr.write("Warning: %s\n" % str(v))
- write(data)
- if not s:
- raise ValueError, 'Truncated input data'
-
- return (outfile.getvalue(), len(input))
-
-class Codec(codecs.Codec):
-
- 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, self.errors)[0]
-
-class IncrementalDecoder(codecs.IncrementalDecoder):
- def decode(self, input, final=False):
- return uu_decode(input, self.errors)[0]
-
-class StreamWriter(Codec,codecs.StreamWriter):
- pass
-
-class StreamReader(Codec,codecs.StreamReader):
- pass
-
-### encodings module API
-
-def getregentry():
- 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
deleted file mode 100644
index 3419f9f..0000000
--- a/Lib/encodings/zlib_codec.py
+++ /dev/null
@@ -1,102 +0,0 @@
-""" Python 'zlib_codec' Codec - zlib compression encoding
-
- Unlike most of the other codecs which target Unicode, this codec
- will return Python string objects for both encode and decode.
-
- Written by Marc-Andre Lemburg (mal@lemburg.com).
-
-"""
-import codecs
-import zlib # this codec needs the optional zlib module !
-
-### Codec APIs
-
-def zlib_encode(input,errors='strict'):
-
- """ Encodes the object input and returns a tuple (output
- object, length consumed).
-
- errors defines the error handling to apply. It defaults to
- 'strict' handling which is the only currently supported
- error handling for this codec.
-
- """
- assert errors == 'strict'
- output = zlib.compress(input)
- return (output, len(input))
-
-def zlib_decode(input,errors='strict'):
-
- """ Decodes the object input and returns a tuple (output
- object, length consumed).
-
- input must be an object which provides the bf_getreadbuf
- buffer slot. Python strings, buffer objects and memory
- mapped files are examples of objects providing this slot.
-
- errors defines the error handling to apply. It defaults to
- 'strict' handling which is the only currently supported
- error handling for this codec.
-
- """
- assert errors == 'strict'
- output = zlib.decompress(input)
- return (output, len(input))
-
-class Codec(codecs.Codec):
-
- def encode(self, input, errors='strict'):
- return zlib_encode(input, errors)
- def decode(self, input, errors='strict'):
- return zlib_decode(input, errors)
-
-class IncrementalEncoder(codecs.IncrementalEncoder):
- def __init__(self, errors='strict'):
- assert errors == 'strict'
- self.errors = errors
- self.compressobj = zlib.compressobj()
-
- def encode(self, input, final=False):
- if final:
- c = self.compressobj.compress(input)
- return c + self.compressobj.flush()
- else:
- return self.compressobj.compress(input)
-
- def reset(self):
- self.compressobj = zlib.compressobj()
-
-class IncrementalDecoder(codecs.IncrementalDecoder):
- def __init__(self, errors='strict'):
- assert errors == 'strict'
- self.errors = errors
- self.decompressobj = zlib.decompressobj()
-
- def decode(self, input, final=False):
- if final:
- c = self.decompressobj.decompress(input)
- return c + self.decompressobj.flush()
- else:
- return self.decompressobj.decompress(input)
-
- def reset(self):
- self.decompressobj = zlib.decompressobj()
-
-class StreamWriter(Codec,codecs.StreamWriter):
- pass
-
-class StreamReader(Codec,codecs.StreamReader):
- pass
-
-### encodings module API
-
-def getregentry():
- return codecs.CodecInfo(
- name='zlib',
- encode=zlib_encode,
- decode=zlib_decode,
- incrementalencoder=IncrementalEncoder,
- incrementaldecoder=IncrementalDecoder,
- streamreader=StreamReader,
- streamwriter=StreamWriter,
- )