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Patch to make _codecs a builtin module. This is necessary since

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Python 2.3 will support source code encodings which rely on the
builtin codecs being available to the parser.

Remove struct dependency from codecs.py
This commit is contained in:
Marc-André Lemburg 2002-12-12 17:37:50 +00:00
parent b69bb3d019
commit b28de0d79f
4 changed files with 17 additions and 9 deletions
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20
Lib/codecs.py
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@ -7,7 +7,7 @@ Written by Marc-Andre Lemburg (mal@lemburg.com).
"""#"
import struct, __builtin__
import __builtin__, sys
### Registry and builtin stateless codec functions
@ -48,11 +48,21 @@ BOM_UTF32_LE = '\xff\xfe\x00\x00'
# UTF-32, big endian
BOM_UTF32_BE = '\x00\x00\xfe\xff'
# UTF-16, native endianness
BOM = BOM_UTF16 = struct.pack('=H', 0xFEFF)
if sys.byteorder == 'little':
# UTF-32, native endianness
BOM_UTF32 = struct.pack('=L', 0x0000FEFF)
# UTF-16, native endianness
BOM = BOM_UTF16 = BOM_UTF16_LE
# UTF-32, native endianness
BOM_UTF32 = BOM_UTF32_LE
else:
# UTF-16, native endianness
BOM = BOM_UTF16 = BOM_UTF16_BE
# UTF-32, native endianness
BOM_UTF32 = BOM_UTF32_BE
# Old broken names (don't use in new code)
BOM32_LE = BOM_UTF16_LE