Mercurial > hg-stable
view mercurial/py3kcompat.py @ 14855:f33579435378
eol: fix missing trailing newlines in comitted files
Some text editors (Eclipse, for example) do not add trailing newlines,
so diffs often contain annoying "\ No newline at the end of file".
This patch to eol extension simply adds trailing newline on commit.
author | Stepan Koltsov <stepancheg@yandex-team.ru> |
---|---|
date | Fri, 01 Jul 2011 23:12:52 +0400 |
parents | 8bb1481cf08f |
children | e7cfe3587ea4 |
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# py3kcompat.py - compatibility definitions for running hg in py3k # # Copyright 2010 Renato Cunha <renatoc@gmail.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. import os, builtins from numbers import Number def bytesformatter(format, args): '''Custom implementation of a formatter for bytestrings. This function currently relias on the string formatter to do the formatting and always returns bytes objects. >>> bytesformatter(20, 10) 0 >>> bytesformatter('unicode %s, %s!', ('string', 'foo')) b'unicode string, foo!' >>> bytesformatter(b'test %s', 'me') b'test me' >>> bytesformatter('test %s', 'me') b'test me' >>> bytesformatter(b'test %s', b'me') b'test me' >>> bytesformatter('test %s', b'me') b'test me' >>> bytesformatter('test %d: %s', (1, b'result')) b'test 1: result' ''' # The current implementation just converts from bytes to unicode, do # what's needed and then convert the results back to bytes. # Another alternative is to use the Python C API implementation. if isinstance(format, Number): # If the fixer erroneously passes a number remainder operation to # bytesformatter, we just return the correct operation return format % args if isinstance(format, bytes): format = format.decode('utf-8', 'surrogateescape') if isinstance(args, bytes): args = args.decode('utf-8', 'surrogateescape') if isinstance(args, tuple): newargs = [] for arg in args: if isinstance(arg, bytes): arg = arg.decode('utf-8', 'surrogateescape') newargs.append(arg) args = tuple(newargs) ret = format % args return ret.encode('utf-8', 'surrogateescape') builtins.bytesformatter = bytesformatter # Create bytes equivalents for os.environ values for key in list(os.environ.keys()): # UTF-8 is fine for us bkey = key.encode('utf-8', 'surrogateescape') bvalue = os.environ[key].encode('utf-8', 'surrogateescape') os.environ[bkey] = bvalue origord = builtins.ord def fakeord(char): if isinstance(char, int): return char return origord(char) builtins.ord = fakeord if __name__ == '__main__': import doctest doctest.testmod()