Mercurial > kallithea
annotate scripts/i18n_utils.py @ 8917:017595560fc1 stable
setup: support Mercurial 5.9 for continuously improved Python 3 support
author | Mads Kiilerich <mads@kiilerich.com> |
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date | Tue, 28 Sep 2021 14:00:08 +0200 |
parents | 6bde1c0a04d4 |
children | 0c9c91ac3873 |
rev | line source |
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1 # This program is free software: you can redistribute it and/or modify |
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2 # it under the terms of the GNU General Public License as published by |
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3 # the Free Software Foundation, either version 3 of the License, or |
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4 # (at your option) any later version. |
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5 # |
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6 # This program is distributed in the hope that it will be useful, |
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7 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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8 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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9 # GNU General Public License for more details. |
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10 # |
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11 # You should have received a copy of the GNU General Public License |
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12 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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13 |
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14 import os |
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15 import re |
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16 import shutil |
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17 import subprocess |
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18 import tempfile |
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19 |
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20 |
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21 do_debug = False # set from scripts/i18n --debug |
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22 |
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23 def debug(*args, **kwargs): |
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24 if do_debug: |
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25 print(*args, **kwargs) |
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26 |
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27 def runcmd(cmd, *args, **kwargs): |
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28 debug('... Executing command: %s' % ' '.join(cmd)) |
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29 subprocess.check_call(cmd, *args, **kwargs) |
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30 |
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31 header_comment_strip_re = re.compile(r''' |
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32 ^ |
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33 [#][ ]Translations[ ]template[ ]for[ ]Kallithea[.] \n |
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34 | |
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35 ^ |
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36 [#][ ]FIRST[ ]AUTHOR[ ]<EMAIL@ADDRESS>,[ ]\d+[.] \n |
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37 (?:[#] \n)? |
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38 | |
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39 ^ |
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40 (?:[#] \n)? |
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41 [#],[ ]fuzzy \n |
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42 | |
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43 ^ |
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44 [#][ ][#],[ ]fuzzy \n |
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45 ''', |
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46 re.MULTILINE|re.VERBOSE) |
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47 |
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48 header_normalize_re = re.compile(r''' |
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49 ^ " |
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50 (POT-Creation-Date|PO-Revision-Date|Last-Translator|Language-Team|X-Generator|Generated-By|Project-Id-Version): |
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51 [ ][^\\]*\\n |
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52 " \n |
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53 ''', |
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54 re.MULTILINE|re.IGNORECASE|re.VERBOSE) |
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55 |
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56 def _normalize_po(raw_content): |
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57 r""" |
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58 >>> print(_normalize_po(r''' |
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59 ... # header comment |
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60 ... |
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61 ... |
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62 ... # comment before header |
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63 ... msgid "" |
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64 ... msgstr "yada" |
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65 ... "POT-Creation-Date: 2019-05-04 21:13+0200\n" |
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66 ... "MIME-Version: " |
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67 ... "1.0\n" |
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68 ... "Last-Translator: Jabba" |
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69 ... "the Hutt\n" |
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70 ... "X-Generator: Weblate 1.2.3\n" |
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71 ... |
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72 ... # comment, but not in header |
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73 ... msgid "None" |
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74 ... msgstr "Ingen" |
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75 ... |
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76 ... |
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77 ... line 2 |
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78 ... # third comment |
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79 ... |
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80 ... msgid "Special" |
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81 ... msgstr "" |
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82 ... |
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83 ... msgid "Specialist" |
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84 ... # odd comment |
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85 ... msgstr "" |
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86 ... "Expert" |
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87 ... |
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88 ... # crazy fuzzy auto translation by msgmerge, using foo for bar |
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89 ... #, fuzzy |
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90 ... #| msgid "some foo string" |
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91 ... msgid "some bar string." |
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92 ... msgstr "translation of foo string" |
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93 ... |
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94 ... msgid "%d minute" |
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95 ... msgid_plural "%d minutes" |
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96 ... msgstr[0] "minut" |
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97 ... msgstr[1] "minutter" |
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98 ... msgstr[2] "" |
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99 ... |
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100 ... msgid "%d year" |
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101 ... msgid_plural "%d years" |
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102 ... msgstr[0] "" |
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103 ... msgstr[1] "" |
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104 ... |
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105 ... # last comment |
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106 ... ''') + '^^^') |
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107 # header comment |
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108 <BLANKLINE> |
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109 <BLANKLINE> |
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110 # comment before header |
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111 <BLANKLINE> |
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112 msgid "" |
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113 msgstr "yada" |
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114 "MIME-Version: " |
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115 "1.0\n" |
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116 <BLANKLINE> |
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117 msgid "None" |
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118 msgstr "Ingen" |
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119 <BLANKLINE> |
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120 line 2 |
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121 <BLANKLINE> |
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122 msgid "Specialist" |
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123 msgstr "" |
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124 "Expert" |
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125 <BLANKLINE> |
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126 msgid "%d minute" |
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127 msgid_plural "%d minutes" |
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128 msgstr[0] "minut" |
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129 msgstr[1] "minutter" |
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130 msgstr[2] "" |
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131 ^^^ |
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132 """ |
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133 header_start = raw_content.find('\nmsgid ""\n') + 1 |
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134 header_end = raw_content.find('\n\n', header_start) + 1 or len(raw_content) |
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135 chunks = [ |
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136 header_comment_strip_re.sub('', raw_content[0:header_start]) |
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137 .strip(), |
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138 '', |
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139 header_normalize_re.sub('', raw_content[header_start:header_end]) |
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140 .replace( |
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141 r'"Content-Type: text/plain; charset=utf-8\n"', |
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142 r'"Content-Type: text/plain; charset=UTF-8\n"') # maintain msgmerge casing |
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143 .strip(), |
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144 ''] # preserve normalized header |
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145 # all chunks are separated by empty line |
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146 for raw_chunk in raw_content[header_end:].split('\n\n'): |
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147 if '\n#, fuzzy' in raw_chunk: # might be like "#, fuzzy, python-format" |
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148 continue # drop crazy auto translation that is worse than useless |
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149 # strip all comment lines from chunk |
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150 chunk_lines = [ |
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151 line |
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152 for line in raw_chunk.splitlines() |
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153 if line |
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154 and not line.startswith('#') |
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155 ] |
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156 if not chunk_lines: |
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157 continue |
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158 # check lines starting from first msgstr, skip chunk if no translation lines |
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159 msgstr_i = [i for i, line in enumerate(chunk_lines) if line.startswith('msgstr')] |
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160 if ( |
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161 chunk_lines[0].startswith('msgid') and |
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162 msgstr_i and |
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163 all(line.endswith(' ""') for line in chunk_lines[msgstr_i[0]:]) |
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164 ): # skip translation chunks that doesn't have any actual translations |
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165 continue |
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166 chunks.append('\n'.join(chunk_lines) + '\n') |
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167 return '\n'.join(chunks) |
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168 |
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169 def _normalize_po_file(po_file, merge_pot_file=None, strip=False): |
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170 if merge_pot_file: |
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171 runcmd(['msgmerge', '--width=76', '--backup=none', '--previous', |
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172 '--update', po_file, '-q', merge_pot_file]) |
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173 if strip: |
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174 po_tmp = po_file + '.tmp' |
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175 with open(po_file, 'r') as src, open(po_tmp, 'w') as dest: |
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176 raw_content = src.read() |
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177 normalized_content = _normalize_po(raw_content) |
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178 dest.write(normalized_content) |
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179 os.rename(po_tmp, po_file) |
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180 |
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181 def _normalized_diff(file1, file2, merge_pot_file=None, strip=False): |
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182 # Create temporary copies of both files |
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183 temp1 = tempfile.NamedTemporaryFile(prefix=os.path.basename(file1)) |
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184 temp2 = tempfile.NamedTemporaryFile(prefix=os.path.basename(file2)) |
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185 debug('normalized_diff: %s -> %s / %s -> %s' % (file1, temp1.name, file2, temp2.name)) |
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186 shutil.copyfile(file1, temp1.name) |
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187 shutil.copyfile(file2, temp2.name) |
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188 # Normalize them in place |
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189 _normalize_po_file(temp1.name, merge_pot_file=merge_pot_file, strip=strip) |
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190 _normalize_po_file(temp2.name, merge_pot_file=merge_pot_file, strip=strip) |
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191 # Now compare |
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192 try: |
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193 runcmd(['diff', '-u', temp1.name, temp2.name]) |
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194 except subprocess.CalledProcessError as e: |
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195 return e.returncode |