annotate i18n/hggettext @ 46230:1fcab88ab85c

downgrade: if a compression is removed, consider that too For compression format variant, the result of `fromrepo()` and `fromconfig()` is not a boolean and we have to actually equate those to find change. Differential Revision: https://phab.mercurial-scm.org/D9693
author Pulkit Goyal <7895pulkit@gmail.com>
date Fri, 08 Jan 2021 23:06:38 +0530
parents c102b704edb5
children d4ba4d51f85f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env python3
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2 #
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3 # hggettext - carefully extract docstrings for Mercurial
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4 #
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5 # Copyright 2009 Matt Mackall <mpm@selenic.com> and others
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6 #
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7 # This software may be used and distributed according to the terms of the
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8 # GNU General Public License version 2 or any later version.
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9
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10 # The normalize function is taken from pygettext which is distributed
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11 # with Python under the Python License, which is GPL compatible.
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12
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13 """Extract docstrings from Mercurial commands.
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14
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15 Compared to pygettext, this script knows about the cmdtable and table
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16 dictionaries used by Mercurial, and will only extract docstrings from
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17 functions mentioned therein.
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18
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19 Use xgettext like normal to extract strings marked as translatable and
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20 join the message cataloges to get the final catalog.
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21 """
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22
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23 from __future__ import absolute_import, print_function
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24
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25 import inspect
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26 import os
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27 import re
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28 import sys
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29
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30
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31 def escape(s):
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32 # The order is important, the backslash must be escaped first
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33 # since the other replacements introduce new backslashes
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34 # themselves.
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35 s = s.replace('\\', '\\\\')
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36 s = s.replace('\n', '\\n')
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37 s = s.replace('\r', '\\r')
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38 s = s.replace('\t', '\\t')
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39 s = s.replace('"', '\\"')
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40 return s
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41
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42
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43 def normalize(s):
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44 # This converts the various Python string types into a format that
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45 # is appropriate for .po files, namely much closer to C style.
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46 lines = s.split('\n')
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47 if len(lines) == 1:
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48 s = '"' + escape(s) + '"'
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49 else:
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50 if not lines[-1]:
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51 del lines[-1]
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52 lines[-1] = lines[-1] + '\n'
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53 lines = map(escape, lines)
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54 lineterm = '\\n"\n"'
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55 s = '""\n"' + lineterm.join(lines) + '"'
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56 return s
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57
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58
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59 def poentry(path, lineno, s):
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60 return (
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61 '#: %s:%d\n' % (path, lineno)
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62 + 'msgid %s\n' % normalize(s)
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63 + 'msgstr ""\n'
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64 )
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65
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66
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67 doctestre = re.compile(r'^ +>>> ', re.MULTILINE)
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68
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69
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70 def offset(src, doc, name, lineno, default):
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71 """Compute offset or issue a warning on stdout."""
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72 # remove doctest part, in order to avoid backslash mismatching
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73 m = doctestre.search(doc)
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74 if m:
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75 doc = doc[: m.start()]
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76
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77 # Backslashes in doc appear doubled in src.
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78 end = src.find(doc.replace('\\', '\\\\'))
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79 if end == -1:
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80 # This can happen if the docstring contains unnecessary escape
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81 # sequences such as \" in a triple-quoted string. The problem
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82 # is that \" is turned into " and so doc wont appear in src.
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83 sys.stderr.write(
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84 "%s:%d:warning:"
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85 " unknown docstr offset, assuming %d lines\n"
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86 % (name, lineno, default)
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87 )
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88 return default
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89 else:
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90 return src.count('\n', 0, end)
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91
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92
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93 def importpath(path):
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94 """Import a path like foo/bar/baz.py and return the baz module."""
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95 if path.endswith('.py'):
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96 path = path[:-3]
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97 if path.endswith('/__init__'):
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98 path = path[:-9]
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99 path = path.replace('/', '.')
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100 mod = __import__(path)
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101 for comp in path.split('.')[1:]:
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102 mod = getattr(mod, comp)
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103 return mod
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104
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105
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106 def docstrings(path):
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107 """Extract docstrings from path.
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108
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109 This respects the Mercurial cmdtable/table convention and will
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110 only extract docstrings from functions mentioned in these tables.
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111 """
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112 mod = importpath(path)
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113 if not path.startswith('mercurial/') and mod.__doc__:
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114 with open(path) as fobj:
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115 src = fobj.read()
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116 lineno = 1 + offset(src, mod.__doc__, path, 1, 7)
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117 print(poentry(path, lineno, mod.__doc__))
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118
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119 functions = list(getattr(mod, 'i18nfunctions', []))
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120 functions = [(f, True) for f in functions]
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121
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122 cmdtable = getattr(mod, 'cmdtable', {})
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123 if not cmdtable:
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124 # Maybe we are processing mercurial.commands?
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125 cmdtable = getattr(mod, 'table', {})
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126 functions.extend((c[0], False) for c in cmdtable.values())
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127
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128 for func, rstrip in functions:
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129 if func.__doc__:
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130 docobj = func # this might be a proxy to provide formatted doc
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131 func = getattr(func, '_origfunc', func)
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132 funcmod = inspect.getmodule(func)
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133 extra = ''
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134 if funcmod.__package__ == funcmod.__name__:
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135 extra = '/__init__'
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136 actualpath = '%s%s.py' % (funcmod.__name__.replace('.', '/'), extra)
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137
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138 src = inspect.getsource(func)
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041fecbb588a i18n: use inspect.getsourcelines() to obtain lineno from func or class
Yuya Nishihara <yuya@tcha.org>
parents: 29171
diff changeset
139 lineno = inspect.getsourcelines(func)[1]
33818
ed04d7254a91 i18n: use saved object to get actual function information if available
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33817
diff changeset
140 doc = docobj.__doc__
ed04d7254a91 i18n: use saved object to get actual function information if available
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33817
diff changeset
141 origdoc = getattr(docobj, '_origdoc', '')
12823
80deae3bc5ea hggettext: handle i18nfunctions declaration for docstrings translations
Patrick Mezard <pmezard@gmail.com>
parents: 10263
diff changeset
142 if rstrip:
80deae3bc5ea hggettext: handle i18nfunctions declaration for docstrings translations
Patrick Mezard <pmezard@gmail.com>
parents: 10263
diff changeset
143 doc = doc.rstrip()
33815
97ee669f1f6d i18n: make hggettext use original docstring to compute offset
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33621
diff changeset
144 origdoc = origdoc.rstrip()
97ee669f1f6d i18n: make hggettext use original docstring to compute offset
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33621
diff changeset
145 if origdoc:
38815
617ae7e33a65 i18n: format warning of hggettext in standard compiler error style
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 36948
diff changeset
146 lineno += offset(src, origdoc, actualpath, lineno, 1)
33815
97ee669f1f6d i18n: make hggettext use original docstring to compute offset
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 33621
diff changeset
147 else:
38815
617ae7e33a65 i18n: format warning of hggettext in standard compiler error style
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 36948
diff changeset
148 lineno += offset(src, doc, actualpath, lineno, 1)
33621
16a175b3681e i18n: use actual filename, in which function is defined, for hg.pot
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29720
diff changeset
149 print(poentry(actualpath, lineno, doc))
8542
de150a942ec8 i18n: accurately generate hg.pot
Martin Geisler <mg@lazybytes.net>
parents:
diff changeset
150
de150a942ec8 i18n: accurately generate hg.pot
Martin Geisler <mg@lazybytes.net>
parents:
diff changeset
151
9539
c904e76e3834 help: move help topics from mercurial/help.py to help/*.txt
Martin Geisler <mg@lazybytes.net>
parents: 8626
diff changeset
152 def rawtext(path):
36948
0585337ea787 cleanup: fix some latent open(path).read() et al calls we previously missed
Augie Fackler <augie@google.com>
parents: 33819
diff changeset
153 with open(path) as f:
0585337ea787 cleanup: fix some latent open(path).read() et al calls we previously missed
Augie Fackler <augie@google.com>
parents: 33819
diff changeset
154 src = f.read()
29171
de28dedd1ff1 py3: make i18n/hggettext use print_function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 29170
diff changeset
155 print(poentry(path, 1, src))
9539
c904e76e3834 help: move help topics from mercurial/help.py to help/*.txt
Martin Geisler <mg@lazybytes.net>
parents: 8626
diff changeset
156
c904e76e3834 help: move help topics from mercurial/help.py to help/*.txt
Martin Geisler <mg@lazybytes.net>
parents: 8626
diff changeset
157
8542
de150a942ec8 i18n: accurately generate hg.pot
Martin Geisler <mg@lazybytes.net>
parents:
diff changeset
158 if __name__ == "__main__":
8626
1fc1c77d4863 hggettext: ensure correct Mercurial is imported
Martin Geisler <mg@lazybytes.net>
parents: 8542
diff changeset
159 # It is very important that we import the Mercurial modules from
1fc1c77d4863 hggettext: ensure correct Mercurial is imported
Martin Geisler <mg@lazybytes.net>
parents: 8542
diff changeset
160 # the source tree where hggettext is executed. Otherwise we might
1fc1c77d4863 hggettext: ensure correct Mercurial is imported
Martin Geisler <mg@lazybytes.net>
parents: 8542
diff changeset
161 # accidentally import and extract strings from a Mercurial
1fc1c77d4863 hggettext: ensure correct Mercurial is imported
Martin Geisler <mg@lazybytes.net>
parents: 8542
diff changeset
162 # installation mentioned in PYTHONPATH.
1fc1c77d4863 hggettext: ensure correct Mercurial is imported
Martin Geisler <mg@lazybytes.net>
parents: 8542
diff changeset
163 sys.path.insert(0, os.getcwd())
43691
47ef023d0165 black: blacken scripts
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38815
diff changeset
164 from mercurial import demandimport
47ef023d0165 black: blacken scripts
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38815
diff changeset
165
47ef023d0165 black: blacken scripts
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38815
diff changeset
166 demandimport.enable()
8542
de150a942ec8 i18n: accurately generate hg.pot
Martin Geisler <mg@lazybytes.net>
parents:
diff changeset
167 for path in sys.argv[1:]:
9539
c904e76e3834 help: move help topics from mercurial/help.py to help/*.txt
Martin Geisler <mg@lazybytes.net>
parents: 8626
diff changeset
168 if path.endswith('.txt'):
c904e76e3834 help: move help topics from mercurial/help.py to help/*.txt
Martin Geisler <mg@lazybytes.net>
parents: 8626
diff changeset
169 rawtext(path)
c904e76e3834 help: move help topics from mercurial/help.py to help/*.txt
Martin Geisler <mg@lazybytes.net>
parents: 8626
diff changeset
170 else:
c904e76e3834 help: move help topics from mercurial/help.py to help/*.txt
Martin Geisler <mg@lazybytes.net>
parents: 8626
diff changeset
171 docstrings(path)