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annotate roundup/msgfmt.py @ 2806:845e87d5e3ba

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translator objects now have the following search path: - selected locale messages in the tracker locale dir - selected locale messages in the system locale dir - english messages in the tracker locale dir - english messages in the system locale dir automatically compile .mo files if needed (found .po file and .mo is missing or .po mtime is greater that .mo mtime) removed support for python < 2.0. gettext module is now required. get_translation: removed 'domain' argument, added 'tracker_home' argument
author Alexander Smishlajev <a1s@users.sourceforge.net>
date Sat, 23 Oct 2004 14:03:34 +0000
parents ee9c3b850f9e
children a6bf25d38518
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1 #! /usr/bin/env python
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2 # -*- coding: iso-8859-1 -*-
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3 # Written by Martin v. Löwis <loewis@informatik.hu-berlin.de>
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4 # Plural forms support added by alexander smishlajev <alex@tycobka.lv>
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5
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6 """Generate binary message catalog from textual translation description.
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7
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8 This program converts a textual Uniforum-style message catalog (.po file) into
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9 a binary GNU catalog (.mo file). This is essentially the same function as the
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10 GNU msgfmt program, however, it is a simpler implementation.
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11
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12 Usage: msgfmt.py [OPTIONS] filename.po
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13
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14 Options:
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15 -o file
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16 --output-file=file
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17 Specify the output file to write to. If omitted, output will go to a
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18 file named filename.mo (based off the input file name).
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19
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20 -h
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21 --help
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22 Print this message and exit.
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23
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24 -V
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25 --version
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26 Display version information and exit.
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27 """
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28
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29 import sys
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30 import os
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31 import getopt
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32 import struct
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33 import array
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34
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35 __version__ = "1.1"
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36
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37 MESSAGES = {}
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38
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39
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40
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41 def usage(code, msg=''):
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42 print >> sys.stderr, __doc__
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43 if msg:
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44 print >> sys.stderr, msg
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45 sys.exit(code)
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46
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47
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48
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49 def add(id, str, fuzzy):
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50 "Add a non-fuzzy translation to the dictionary."
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51 global MESSAGES
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52 if not fuzzy and str and not str.startswith('\0'):
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53 MESSAGES[id] = str
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54
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55
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56
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57 def generate():
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58 "Return the generated output."
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59 global MESSAGES
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60 keys = MESSAGES.keys()
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61 # the keys are sorted in the .mo file
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62 keys.sort()
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63 offsets = []
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64 ids = strs = ''
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65 for id in keys:
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66 # For each string, we need size and file offset. Each string is NUL
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67 # terminated; the NUL does not count into the size.
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68 offsets.append((len(ids), len(id), len(strs), len(MESSAGES[id])))
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69 ids += id + '\0'
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70 strs += MESSAGES[id] + '\0'
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71 output = ''
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72 # The header is 7 32-bit unsigned integers. We don't use hash tables, so
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73 # the keys start right after the index tables.
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74 # translated string.
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75 keystart = 7*4+16*len(keys)
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76 # and the values start after the keys
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77 valuestart = keystart + len(ids)
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78 koffsets = []
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79 voffsets = []
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80 # The string table first has the list of keys, then the list of values.
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81 # Each entry has first the size of the string, then the file offset.
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82 for o1, l1, o2, l2 in offsets:
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83 koffsets += [l1, o1+keystart]
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84 voffsets += [l2, o2+valuestart]
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85 offsets = koffsets + voffsets
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86 output = struct.pack("Iiiiiii",
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87 0x950412deL, # Magic
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88 0, # Version
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89 len(keys), # # of entries
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90 7*4, # start of key index
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91 7*4+len(keys)*8, # start of value index
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92 0, 0) # size and offset of hash table
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93 output += array.array("i", offsets).tostring()
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94 output += ids
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95 output += strs
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96 return output
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97
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98
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99
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100 def make(filename, outfile):
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101 ID = 1
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102 STR = 2
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103
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104 # Compute .mo name from .po name and arguments
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105 if filename.endswith('.po'):
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106 infile = filename
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107 else:
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108 infile = filename + '.po'
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109 if outfile is None:
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110 outfile = os.path.splitext(infile)[0] + '.mo'
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111
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112 try:
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113 lines = open(infile).readlines()
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114 except IOError, msg:
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115 print >> sys.stderr, msg
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116 sys.exit(1)
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117
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118 section = None
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119 fuzzy = 0
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120
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121 # Parse the catalog
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122 lno = 0
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123 for l in lines:
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124 lno += 1
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125 # If we get a comment line after a msgstr, this is a new entry
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126 if l[0] == '#' and section == STR:
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127 add(msgid, msgstr, fuzzy)
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128 section = None
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129 fuzzy = 0
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130 # Record a fuzzy mark
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131 if l[:2] == '#,' and (l.find('fuzzy') >= 0):
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132 fuzzy = 1
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133 # Skip comments
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134 if l[0] == '#':
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135 continue
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136 # Start of msgid_plural section, separate from singular form with \0
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137 if l.startswith('msgid_plural'):
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138 msgid += '\0'
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139 l = l[12:]
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140 # Now we are in a msgid section, output previous section
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141 elif l.startswith('msgid'):
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142 if section == STR:
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143 add(msgid, msgstr, fuzzy)
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144 section = ID
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145 l = l[5:]
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146 msgid = msgstr = ''
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147 # Now we are in a msgstr section
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148 elif l.startswith('msgstr'):
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149 section = STR
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150 l = l[6:]
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151 # Check for plural forms
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152 if l.startswith('['):
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153 # Separate plural forms with \0
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154 if not l.startswith('[0]'):
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155 msgstr += '\0'
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156 # Ignore the index - must come in sequence
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157 l = l[l.index(']') + 1:]
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158 # Skip empty lines
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159 l = l.strip()
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160 if not l:
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161 continue
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162 # XXX: Does this always follow Python escape semantics?
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163 l = eval(l)
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164 if section == ID:
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165 msgid += l
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166 elif section == STR:
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167 msgstr += l
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168 else:
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169 print >> sys.stderr, 'Syntax error on %s:%d' % (infile, lno), \
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170 'before:'
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171 print >> sys.stderr, l
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172 sys.exit(1)
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173 # Add last entry
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174 if section == STR:
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175 add(msgid, msgstr, fuzzy)
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176
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177 # Compute output
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178 output = generate()
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179
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180 try:
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181 open(outfile,"wb").write(output)
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182 except IOError,msg:
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183 print >> sys.stderr, msg
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184
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185
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186
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187 def main():
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188 try:
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189 opts, args = getopt.getopt(sys.argv[1:], 'hVo:',
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190 ['help', 'version', 'output-file='])
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191 except getopt.error, msg:
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192 usage(1, msg)
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193
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194 outfile = None
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195 # parse options
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196 for opt, arg in opts:
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197 if opt in ('-h', '--help'):
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198 usage(0)
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199 elif opt in ('-V', '--version'):
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200 print >> sys.stderr, "msgfmt.py", __version__
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201 sys.exit(0)
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202 elif opt in ('-o', '--output-file'):
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203 outfile = arg
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204 # do it
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205 if not args:
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206 print >> sys.stderr, 'No input file given'
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207 print >> sys.stderr, "Try `msgfmt --help' for more information."
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208 return
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209
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210 for filename in args:
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211 make(filename, outfile)
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212
40643f8b41a0 catalog compilation utility for message translations
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213
40643f8b41a0 catalog compilation utility for message translations
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214 if __name__ == '__main__':
40643f8b41a0 catalog compilation utility for message translations
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215 main()
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