Mercurial > hg
annotate mercurial/py3kcompat.py @ 28238:b57d45ec33b2
test: update test-bundle2-format.t comment
Now that bundle2 is used by default for all exchanges, this comment is obviously
out of date. Having deep testing of the API and expected behavior of the format
and its processing is still valuable, so the comment is updated.
author | Pierre-Yves David <pierre-yves.david@fb.com> |
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date | Thu, 25 Feb 2016 10:34:31 +0100 |
parents | 5bfd01a3c2a9 |
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1 # py3kcompat.py - compatibility definitions for running hg in py3k |
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2 # |
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3 # Copyright 2010 Renato Cunha <renatoc@gmail.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import builtins |
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11 import numbers |
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12 |
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13 Number = numbers.Number |
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14 |
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15 def bytesformatter(format, args): |
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16 '''Custom implementation of a formatter for bytestrings. |
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17 |
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18 This function currently relies on the string formatter to do the |
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19 formatting and always returns bytes objects. |
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20 |
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21 >>> bytesformatter(20, 10) |
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22 0 |
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23 >>> bytesformatter('unicode %s, %s!', ('string', 'foo')) |
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24 b'unicode string, foo!' |
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25 >>> bytesformatter(b'test %s', 'me') |
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26 b'test me' |
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27 >>> bytesformatter('test %s', 'me') |
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28 b'test me' |
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29 >>> bytesformatter(b'test %s', b'me') |
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30 b'test me' |
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31 >>> bytesformatter('test %s', b'me') |
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32 b'test me' |
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33 >>> bytesformatter('test %d: %s', (1, b'result')) |
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34 b'test 1: result' |
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35 ''' |
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36 # The current implementation just converts from bytes to unicode, do |
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37 # what's needed and then convert the results back to bytes. |
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38 # Another alternative is to use the Python C API implementation. |
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39 if isinstance(format, Number): |
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40 # If the fixer erroneously passes a number remainder operation to |
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41 # bytesformatter, we just return the correct operation |
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42 return format % args |
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43 if isinstance(format, bytes): |
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44 format = format.decode('utf-8', 'surrogateescape') |
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45 if isinstance(args, bytes): |
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46 args = args.decode('utf-8', 'surrogateescape') |
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47 if isinstance(args, tuple): |
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48 newargs = [] |
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49 for arg in args: |
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50 if isinstance(arg, bytes): |
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51 arg = arg.decode('utf-8', 'surrogateescape') |
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52 newargs.append(arg) |
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53 args = tuple(newargs) |
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54 ret = format % args |
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55 return ret.encode('utf-8', 'surrogateescape') |
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56 builtins.bytesformatter = bytesformatter |
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57 |
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58 origord = builtins.ord |
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59 def fakeord(char): |
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60 if isinstance(char, int): |
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61 return char |
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62 return origord(char) |
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63 builtins.ord = fakeord |
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64 |
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65 if __name__ == '__main__': |
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66 import doctest |
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67 doctest.testmod() |
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68 |