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author | timeless <timeless@mozdev.org> |
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date | Tue, 22 Dec 2015 06:02:01 +0000 |
parents | 5bfd01a3c2a9 |
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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. from __future__ import absolute_import import builtins import numbers Number = numbers.Number def bytesformatter(format, args): '''Custom implementation of a formatter for bytestrings. This function currently relies 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 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()