annotate mercurial/i18n.py @ 22056:83df50a8d61c

simplemerge: remove dead code The following functions in simplemerge are dead code. I reran "make test-merge*" after this change, and it passed. Looks like cruft that we've been carrying since we nabbed this code from bzr.
author Jordi Gutiérrez Hermoso <jordigh@octave.org>
date Thu, 07 Aug 2014 12:51:45 -0400
parents 4953cd193e84
children 0d0350cfc7ab
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1 # i18n.py - internationalization support for mercurial
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2 #
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3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.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 import encoding
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9 import gettext, sys, os, locale
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10
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11 # modelled after templater.templatepath:
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12 if getattr(sys, 'frozen', None) is not None:
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13 module = sys.executable
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14 else:
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15 module = __file__
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16
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17 base = os.path.dirname(module)
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18 for dir in ('.', '..'):
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19 localedir = os.path.join(base, dir, 'locale')
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20 if os.path.isdir(localedir):
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21 break
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22
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23 _languages = None
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24 if (os.name == 'nt'
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25 and 'LANGUAGE' not in os.environ
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26 and 'LC_ALL' not in os.environ
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27 and 'LC_MESSAGES' not in os.environ
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28 and 'LANG' not in os.environ):
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29 # Try to detect UI language by "User Interface Language Management" API
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30 # if no locale variables are set. Note that locale.getdefaultlocale()
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31 # uses GetLocaleInfo(), which may be different from UI language.
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32 # (See http://msdn.microsoft.com/en-us/library/dd374098(v=VS.85).aspx )
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33 try:
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34 import ctypes
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35 langid = ctypes.windll.kernel32.GetUserDefaultUILanguage()
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36 _languages = [locale.windows_locale[langid]]
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37 except (ImportError, AttributeError, KeyError):
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38 # ctypes not found or unknown langid
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39 pass
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40
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41 t = gettext.translation('hg', localedir, _languages, fallback=True)
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42
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43 def gettext(message):
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44 """Translate message.
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45
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46 The message is looked up in the catalog to get a Unicode string,
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47 which is encoded in the local encoding before being returned.
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48
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49 Important: message is restricted to characters in the encoding
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50 given by sys.getdefaultencoding() which is most likely 'ascii'.
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51 """
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52 # If message is None, t.ugettext will return u'None' as the
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53 # translation whereas our callers expect us to return None.
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54 if message is None:
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55 return message
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56
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57 if type(message) is unicode:
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58 # goofy unicode docstrings in test
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59 paragraphs = message.split(u'\n\n')
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60 else:
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61 paragraphs = [p.decode("ascii") for p in message.split('\n\n')]
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62 # Be careful not to translate the empty string -- it holds the
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63 # meta data of the .po file.
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64 u = u'\n\n'.join([p and t.ugettext(p) or '' for p in paragraphs])
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65 try:
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66 # encoding.tolocal cannot be used since it will first try to
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67 # decode the Unicode string. Calling u.decode(enc) really
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68 # means u.encode(sys.getdefaultencoding()).decode(enc). Since
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69 # the Python encoding defaults to 'ascii', this fails if the
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70 # translated string use non-ASCII characters.
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71 return u.encode(encoding.encoding, "replace")
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72 except LookupError:
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73 # An unknown encoding results in a LookupError.
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74 return message
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75
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76 def _plain():
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77 if 'HGPLAIN' not in os.environ and 'HGPLAINEXCEPT' not in os.environ:
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78 return False
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79 exceptions = os.environ.get('HGPLAINEXCEPT', '').strip().split(',')
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80 return 'i18n' not in exceptions
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81
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82 if _plain():
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83 _ = lambda message: message
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84 else:
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85 _ = gettext