439 lines
13 KiB
Python
439 lines
13 KiB
Python
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# -*- coding: iso-8859-1 -*-
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# Written by Martin v. Lwis <loewis@informatik.hu-berlin.de>
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# Plural forms support added by alexander smishlajev <alex@tycobka.lv>
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"""
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Generate binary message catalog from textual translation description.
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This program converts a textual Uniforum-style message catalog (.po file) into
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a binary GNU catalog (.mo file). This is essentially the same function as the
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GNU msgfmt program, however, it is a simpler implementation.
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Usage: msgfmt.py [OPTIONS] filename.po
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Options:
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-o file
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--output-file=file
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Specify the output file to write to. If omitted, output will go to a
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file named filename.mo (based off the input file name).
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-h
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--help
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Print this message and exit.
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-V
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--version
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Display version information and exit.
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"""
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import sys
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import os
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import getopt
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import struct
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import array
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__version__ = "1.1"
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MESSAGES = {}
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def usage (ecode, msg=''):
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"""
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Print usage and msg and exit with given code.
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"""
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print >> sys.stderr, __doc__
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if msg:
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print >> sys.stderr, msg
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sys.exit(ecode)
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def add (msgid, transtr, fuzzy):
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"""
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Add a non-fuzzy translation to the dictionary.
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"""
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global MESSAGES
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if not fuzzy and transtr and not transtr.startswith('\0'):
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MESSAGES[msgid] = transtr
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def generate ():
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"""
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Return the generated output.
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"""
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global MESSAGES
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keys = MESSAGES.keys()
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# the keys are sorted in the .mo file
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keys.sort()
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offsets = []
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ids = strs = ''
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for _id in keys:
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# For each string, we need size and file offset. Each string is NUL
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# terminated; the NUL does not count into the size.
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offsets.append((len(ids), len(_id), len(strs), len(MESSAGES[_id])))
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ids += _id + '\0'
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strs += MESSAGES[_id] + '\0'
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output = ''
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# The header is 7 32-bit unsigned integers. We don't use hash tables, so
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# the keys start right after the index tables.
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# translated string.
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keystart = 7*4+16*len(keys)
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# and the values start after the keys
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valuestart = keystart + len(ids)
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koffsets = []
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voffsets = []
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# The string table first has the list of keys, then the list of values.
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# Each entry has first the size of the string, then the file offset.
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for o1, l1, o2, l2 in offsets:
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koffsets += [l1, o1+keystart]
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voffsets += [l2, o2+valuestart]
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offsets = koffsets + voffsets
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output = struct.pack("Iiiiiii",
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0x950412deL, # Magic
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0, # Version
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len(keys), # # of entries
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7*4, # start of key index
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7*4+len(keys)*8, # start of value index
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0, 0) # size and offset of hash table
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output += array.array("i", offsets).tostring()
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output += ids
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output += strs
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return output
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def make (filename, outfile):
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ID = 1
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STR = 2
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global MESSAGES
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MESSAGES = {}
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# Compute .mo name from .po name and arguments
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if filename.endswith('.po'):
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infile = filename
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else:
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infile = filename + '.po'
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if outfile is None:
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outfile = os.path.splitext(infile)[0] + '.mo'
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try:
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lines = open(infile).readlines()
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except IOError, msg:
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print >> sys.stderr, msg
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sys.exit(1)
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section = None
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fuzzy = 0
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# Parse the catalog
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msgid = msgstr = ''
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lno = 0
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for l in lines:
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lno += 1
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# If we get a comment line after a msgstr, this is a new entry
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if l[0] == '#' and section == STR:
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add(msgid, msgstr, fuzzy)
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section = None
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fuzzy = 0
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# Record a fuzzy mark
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if l[:2] == '#,' and (l.find('fuzzy') >= 0):
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fuzzy = 1
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# Skip comments
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if l[0] == '#':
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continue
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# Start of msgid_plural section, separate from singular form with \0
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if l.startswith('msgid_plural'):
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msgid += '\0'
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l = l[12:]
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# Now we are in a msgid section, output previous section
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elif l.startswith('msgid'):
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if section == STR:
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add(msgid, msgstr, fuzzy)
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section = ID
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l = l[5:]
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msgid = msgstr = ''
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# Now we are in a msgstr section
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elif l.startswith('msgstr'):
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section = STR
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l = l[6:]
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# Check for plural forms
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if l.startswith('['):
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# Separate plural forms with \0
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if not l.startswith('[0]'):
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msgstr += '\0'
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# Ignore the index - must come in sequence
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l = l[l.index(']') + 1:]
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# Skip empty lines
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l = l.strip()
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if not l:
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continue
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# XXX: Does this always follow Python escape semantics?
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l = eval(l)
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if section == ID:
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msgid += l
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elif section == STR:
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msgstr += l
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else:
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print >> sys.stderr, 'Syntax error on %s:%d' % (infile, lno), \
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'before:'
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print >> sys.stderr, l
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sys.exit(1)
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# Add last entry
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if section == STR:
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add(msgid, msgstr, fuzzy)
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# Compute output
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output = generate()
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try:
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open(outfile,"wb").write(output)
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except IOError,msg:
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print >> sys.stderr, msg
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def main ():
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try:
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opts, args = getopt.getopt(sys.argv[1:], 'hVo:',
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['help', 'version', 'output-file='])
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except getopt.error, msg:
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usage(1, msg)
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outfile = None
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# parse options
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for opt, arg in opts:
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if opt in ('-h', '--help'):
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usage(0)
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elif opt in ('-V', '--version'):
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print >> sys.stderr, "msgfmt.py", __version__
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sys.exit(0)
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elif opt in ('-o', '--output-file'):
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outfile = arg
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# do it
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if not args:
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print >> sys.stderr, 'No input file given'
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print >> sys.stderr, "Try `msgfmt --help' for more information."
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return
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for filename in args:
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make(filename, outfile)
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if __name__ == '__main__':
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main()
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# -*- coding: iso-8859-1 -*-
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# Written by Martin v. Lwis <loewis@informatik.hu-berlin.de>
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# Plural forms support added by alexander smishlajev <alex@tycobka.lv>
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"""
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Generate binary message catalog from textual translation description.
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This program converts a textual Uniforum-style message catalog (.po file) into
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a binary GNU catalog (.mo file). This is essentially the same function as the
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GNU msgfmt program, however, it is a simpler implementation.
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Usage: msgfmt.py [OPTIONS] filename.po
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Options:
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-o file
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--output-file=file
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Specify the output file to write to. If omitted, output will go to a
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file named filename.mo (based off the input file name).
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-h
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--help
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Print this message and exit.
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-V
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--version
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Display version information and exit.
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"""
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import sys
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import os
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import getopt
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import struct
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import array
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__version__ = "1.1"
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MESSAGES = {}
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def usage (ecode, msg=''):
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"""
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Print usage and msg and exit with given code.
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"""
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print >> sys.stderr, __doc__
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if msg:
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print >> sys.stderr, msg
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sys.exit(ecode)
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def add (msgid, transtr, fuzzy):
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"""
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Add a non-fuzzy translation to the dictionary.
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"""
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global MESSAGES
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if not fuzzy and transtr and not transtr.startswith('\0'):
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MESSAGES[msgid] = transtr
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def generate ():
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"""
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Return the generated output.
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"""
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global MESSAGES
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keys = MESSAGES.keys()
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# the keys are sorted in the .mo file
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keys.sort()
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offsets = []
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ids = strs = ''
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for _id in keys:
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# For each string, we need size and file offset. Each string is NUL
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# terminated; the NUL does not count into the size.
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offsets.append((len(ids), len(_id), len(strs), len(MESSAGES[_id])))
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ids += _id + '\0'
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strs += MESSAGES[_id] + '\0'
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output = ''
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# The header is 7 32-bit unsigned integers. We don't use hash tables, so
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# the keys start right after the index tables.
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# translated string.
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keystart = 7*4+16*len(keys)
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# and the values start after the keys
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valuestart = keystart + len(ids)
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koffsets = []
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voffsets = []
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# The string table first has the list of keys, then the list of values.
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# Each entry has first the size of the string, then the file offset.
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for o1, l1, o2, l2 in offsets:
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koffsets += [l1, o1+keystart]
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voffsets += [l2, o2+valuestart]
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offsets = koffsets + voffsets
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output = struct.pack("Iiiiiii",
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0x950412deL, # Magic
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0, # Version
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len(keys), # # of entries
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7*4, # start of key index
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7*4+len(keys)*8, # start of value index
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0, 0) # size and offset of hash table
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output += array.array("i", offsets).tostring()
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output += ids
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output += strs
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return output
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def make (filename, outfile):
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ID = 1
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STR = 2
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global MESSAGES
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MESSAGES = {}
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# Compute .mo name from .po name and arguments
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if filename.endswith('.po'):
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infile = filename
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else:
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infile = filename + '.po'
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if outfile is None:
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outfile = os.path.splitext(infile)[0] + '.mo'
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try:
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lines = open(infile).readlines()
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except IOError, msg:
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print >> sys.stderr, msg
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sys.exit(1)
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section = None
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fuzzy = 0
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# Parse the catalog
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msgid = msgstr = ''
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lno = 0
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for l in lines:
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lno += 1
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# If we get a comment line after a msgstr, this is a new entry
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if l[0] == '#' and section == STR:
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add(msgid, msgstr, fuzzy)
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section = None
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fuzzy = 0
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# Record a fuzzy mark
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if l[:2] == '#,' and (l.find('fuzzy') >= 0):
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fuzzy = 1
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# Skip comments
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if l[0] == '#':
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continue
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# Start of msgid_plural section, separate from singular form with \0
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if l.startswith('msgid_plural'):
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msgid += '\0'
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l = l[12:]
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# Now we are in a msgid section, output previous section
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elif l.startswith('msgid'):
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if section == STR:
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add(msgid, msgstr, fuzzy)
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section = ID
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l = l[5:]
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msgid = msgstr = ''
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# Now we are in a msgstr section
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elif l.startswith('msgstr'):
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section = STR
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l = l[6:]
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# Check for plural forms
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if l.startswith('['):
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# Separate plural forms with \0
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if not l.startswith('[0]'):
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msgstr += '\0'
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# Ignore the index - must come in sequence
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l = l[l.index(']') + 1:]
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# Skip empty lines
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l = l.strip()
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if not l:
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continue
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# XXX: Does this always follow Python escape semantics?
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l = eval(l)
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if section == ID:
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msgid += l
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elif section == STR:
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msgstr += l
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else:
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print >> sys.stderr, 'Syntax error on %s:%d' % (infile, lno), \
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'before:'
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print >> sys.stderr, l
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sys.exit(1)
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# Add last entry
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if section == STR:
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add(msgid, msgstr, fuzzy)
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# Compute output
|
||
|
|
output = generate()
|
||
|
|
|
||
|
|
try:
|
||
|
|
open(outfile,"wb").write(output)
|
||
|
|
except IOError,msg:
|
||
|
|
print >> sys.stderr, msg
|
||
|
|
|
||
|
|
|
||
|
|
def main ():
|
||
|
|
try:
|
||
|
|
opts, args = getopt.getopt(sys.argv[1:], 'hVo:',
|
||
|
|
['help', 'version', 'output-file='])
|
||
|
|
except getopt.error, msg:
|
||
|
|
usage(1, msg)
|
||
|
|
|
||
|
|
outfile = None
|
||
|
|
# parse options
|
||
|
|
for opt, arg in opts:
|
||
|
|
if opt in ('-h', '--help'):
|
||
|
|
usage(0)
|
||
|
|
elif opt in ('-V', '--version'):
|
||
|
|
print >> sys.stderr, "msgfmt.py", __version__
|
||
|
|
sys.exit(0)
|
||
|
|
elif opt in ('-o', '--output-file'):
|
||
|
|
outfile = arg
|
||
|
|
# do it
|
||
|
|
if not args:
|
||
|
|
print >> sys.stderr, 'No input file given'
|
||
|
|
print >> sys.stderr, "Try `msgfmt --help' for more information."
|
||
|
|
return
|
||
|
|
|
||
|
|
for filename in args:
|
||
|
|
make(filename, outfile)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
main()
|