Mercurial > hg
annotate mercurial/i18n.py @ 28501:66513f6ca038
commands: centralize code to update with extra care for non-file components
This patch centralizes similar code paths to update the working
directory with extra care for non-file components (e.g. bookmark) into
newly added function updatetotally().
'if True' at the beginning of updatetotally() is redundant at this
patch, but useful to reduce amount of changes in subsequent patch.
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
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date | Sat, 12 Mar 2016 04:35:42 +0900 |
parents | 2c07c6884394 |
children | 03d1ecbbd81e |
rev | line source |
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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 |
10263 | 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 gettext as gettextmod |
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11 import locale |
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12 import os |
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13 import sys |
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14 |
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15 from . import encoding |
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16 |
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17 # modelled after templater.templatepath: |
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18 if getattr(sys, 'frozen', None) is not None: |
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19 module = sys.executable |
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20 else: |
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21 module = __file__ |
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22 |
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23 |
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24 _languages = None |
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25 if (os.name == 'nt' |
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26 and 'LANGUAGE' not in os.environ |
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27 and 'LC_ALL' not in os.environ |
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28 and 'LC_MESSAGES' not in os.environ |
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29 and 'LANG' not in os.environ): |
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30 # Try to detect UI language by "User Interface Language Management" API |
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31 # if no locale variables are set. Note that locale.getdefaultlocale() |
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32 # uses GetLocaleInfo(), which may be different from UI language. |
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33 # (See http://msdn.microsoft.com/en-us/library/dd374098(v=VS.85).aspx ) |
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34 try: |
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35 import ctypes |
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36 langid = ctypes.windll.kernel32.GetUserDefaultUILanguage() |
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37 _languages = [locale.windows_locale[langid]] |
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38 except (ImportError, AttributeError, KeyError): |
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39 # ctypes not found or unknown langid |
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40 pass |
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41 |
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42 _ugettext = None |
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43 |
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44 def setdatapath(datapath): |
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45 localedir = os.path.join(datapath, 'locale') |
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46 t = gettextmod.translation('hg', localedir, _languages, fallback=True) |
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47 global _ugettext |
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48 _ugettext = t.ugettext |
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49 |
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50 _msgcache = {} |
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51 |
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52 def gettext(message): |
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53 """Translate message. |
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54 |
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55 The message is looked up in the catalog to get a Unicode string, |
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56 which is encoded in the local encoding before being returned. |
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57 |
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58 Important: message is restricted to characters in the encoding |
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59 given by sys.getdefaultencoding() which is most likely 'ascii'. |
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60 """ |
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61 # If message is None, t.ugettext will return u'None' as the |
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62 # translation whereas our callers expect us to return None. |
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63 if message is None or not _ugettext: |
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64 return message |
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65 |
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66 if message not in _msgcache: |
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67 if type(message) is unicode: |
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68 # goofy unicode docstrings in test |
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69 paragraphs = message.split(u'\n\n') |
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70 else: |
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71 paragraphs = [p.decode("ascii") for p in message.split('\n\n')] |
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72 # Be careful not to translate the empty string -- it holds the |
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73 # meta data of the .po file. |
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74 u = u'\n\n'.join([p and _ugettext(p) or '' for p in paragraphs]) |
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75 try: |
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76 # encoding.tolocal cannot be used since it will first try to |
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77 # decode the Unicode string. Calling u.decode(enc) really |
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78 # means u.encode(sys.getdefaultencoding()).decode(enc). Since |
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79 # the Python encoding defaults to 'ascii', this fails if the |
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80 # translated string use non-ASCII characters. |
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81 _msgcache[message] = u.encode(encoding.encoding, "replace") |
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82 except LookupError: |
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83 # An unknown encoding results in a LookupError. |
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84 _msgcache[message] = message |
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85 return _msgcache[message] |
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86 |
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87 def _plain(): |
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88 if 'HGPLAIN' not in os.environ and 'HGPLAINEXCEPT' not in os.environ: |
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89 return False |
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90 exceptions = os.environ.get('HGPLAINEXCEPT', '').strip().split(',') |
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91 return 'i18n' not in exceptions |
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92 |
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93 if _plain(): |
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94 _ = lambda message: message |
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95 else: |
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96 _ = gettext |