mirror of
https://git.lyx.org/repos/lyx.git
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246 lines
8.4 KiB
Python
Executable File
246 lines
8.4 KiB
Python
Executable File
#! /usr/bin/env python
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# -*- coding: utf-8 -*-
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# file mergepo.py
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# This file is part of LyX, the document processor.
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# Licence details can be found in the file COPYING.
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# author Georg Baum
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# Full author contact details are available in file CREDITS
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# This script takes missing translations from another set of po files and
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# merges them into the po files in this source tree.
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import os, re, string, sys
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import io
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import polib
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from optparse import OptionParser
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def trim_eol(line):
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" Remove end of line char."
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if line[-1:] == '\n':
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return line[:-1]
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else:
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# file with no EOL in last line
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return line
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def read(input):
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" Read utf8 input file and strip lineendings."
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lines = list()
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while 1:
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line = input.readline()
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if not line:
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break
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line = trim_eol(line)
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lines.append(line)
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return lines
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def parse_msg(lines):
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" Extracts msgid or msgstr from lines."
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if len(lines) < 1:
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return ''
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i = lines[0].find('"')
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if i < 0:
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return ''
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msg = lines[0][i:].strip('"')
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for i in range(1, len(lines)):
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j = lines[i].find('"')
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if j < 0:
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return ''
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msg = msg + lines[i][j:].strip('"')
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return polib.unescape(msg)
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def translate(msgid, msgstr_lines, po2, options):
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msgstr = parse_msg(msgstr_lines)
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if options.overwrite:
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other = po2.find(msgid)
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if not other:
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return 0
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if not other.translated():
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return 0
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if msgstr == other.msgstr:
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return 0
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else:
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if msgstr != '':
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return 0
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other = po2.find(msgid)
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if not other:
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return 0
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if not other.translated():
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return 0
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if options.nonnull and other.msgstr == other.msgid:
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return 0
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msgstr = other.msgstr
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obsolete = (msgstr_lines[0].find('#~') == 0)
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j = msgstr_lines[0].find('"')
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# must not assign to msgstr_lines, because that would not be seen by our caller
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new_lines = polib.wrap(msgstr_lines[0][0:j+1] + polib.escape(msgstr), 76, drop_whitespace = False)
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del msgstr_lines[:]
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for i in range(0, len(new_lines)):
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if i == 0:
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msgstr_lines.append(new_lines[i] + '"')
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elif obsolete:
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msgstr_lines.append('#~ "' + new_lines[i] + '"')
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else:
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msgstr_lines.append('"' + new_lines[i] + '"')
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return 1
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def mergepo_polib(target, source, options):
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changed = 0
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po1 = polib.pofile(target)
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po2 = polib.pofile(source)
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if options.overwrite:
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for entry in po1.entries():
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other = po2.find(entry.msgid, include_obsolete_entries=True)
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if not other:
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continue
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if options.nonnull and other.msgstr == other.msgid:
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continue
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if other.translated() and other.msgstr != entry.msgstr:
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entry.msgstr = other.msgstr
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changed = changed + 1
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else:
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for entry in po1.untranslated_entries():
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other = po2.find(entry.msgid, include_obsolete_entries=True)
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if not other:
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continue
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if options.nonnull and other.msgstr == other.msgid:
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continue
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if other.translated():
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entry.msgstr = other.msgstr
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changed = changed + 1
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if changed > 0:
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po1.save(target)
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return changed
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def mergepo_minimaldiff(target, source, options):
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changed = 0
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po2 = polib.pofile(source)
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target_enc = polib.detect_encoding(target)
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# for utf8 files we can use our self written parser to minimize diffs,
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# otherwise we need to use polib
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if not target_enc in ['UTF-8', 'utf-8', 'utf_8']:
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raise
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# open file with universal newlines, since it can happen that we are
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# on unix, but the file has been written on windows or vice versa.
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po1 = io.open(target, 'r', encoding='utf_8', newline=None)
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oldlines = read(po1)
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po1.close()
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newlines = []
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in_msgid = False
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in_msgstr = False
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msgstr_lines = []
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msgid_lines = []
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msgid = ''
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for line in oldlines:
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if in_msgid:
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if line.find('"') == 0 or line.find('#~ "') == 0:
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msgid_lines.append(line)
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else:
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in_msgid = False
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msgid = parse_msg(msgid_lines)
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newlines.extend(msgid_lines)
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msgid_lines = []
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elif in_msgstr:
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if line.find('"') == 0 or line.find('#~ "') == 0:
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msgstr_lines.append(line)
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else:
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in_msgstr = False
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changed = changed + translate(msgid, msgstr_lines, po2, options)
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newlines.extend(msgstr_lines)
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msgstr_lines = []
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msgid = ''
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if not in_msgid and not in_msgstr:
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if line.find('msgid') == 0 or line.find('#~ msgid') == 0:
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msgid_lines.append(line)
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in_msgid = True
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elif line.find('msgstr') == 0 or line.find('#~ msgstr') == 0:
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if line.find('msgstr[') == 0 or line.find('#~ msgstr[') == 0:
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# plural forms are not implemented
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raise
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msgstr_lines.append(line)
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in_msgstr = True
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else:
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newlines.append(line)
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if msgid != '':
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# the file ended with a msgstr
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changed = changed + translate(msgid, msgstr_lines, po2, options)
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newlines.extend(msgstr_lines)
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msgstr_lines = []
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msgid = ''
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if changed > 0:
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# we store .po files with unix line ends in git,
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# so do always write them even on windows
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po1 = io.open(target, 'w', encoding='utf_8', newline='\n')
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for line in newlines:
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po1.write(line + '\n')
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return changed
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def mergepo(target, source, options):
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if not os.path.exists(source):
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sys.stderr.write('Skipping %s since %s does not exist.\n' % (target, source))
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return
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if not os.path.exists(target):
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sys.stderr.write('Skipping %s since %s does not exist.\n' % (target, target))
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return
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sys.stderr.write('Merging %s into %s: ' % (source, target))
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try:
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changed = mergepo_minimaldiff(target, source, options)
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sys.stderr.write('Updated %d translations with minimal diff.\n' % changed)
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except:
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changed = mergepo_polib(target, source, options)
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sys.stderr.write('Updated %d translations using polib.\n' % changed)
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def main(argv):
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parser = OptionParser(description = """This script reads translations from .po files in the given source directory
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and adds all translations that do not already exist to the corresponding .po
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files in the target directory. It is recommended to remerge strings from the
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source code before running this script. Otherwise translations that are not
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yet in the target .po files are not updated.""", usage = "Usage: %prog [options] sourcedir")
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parser.add_option("-t", "--target", dest="target",
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help="target directory containing .po files. If missing, it is determined from the script location.")
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parser.add_option("-l", "--language", dest="language",
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help="language for which translations are merged (if missing, all languages are merged)")
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parser.add_option("-o", "--overwrite", action="store_true", dest="overwrite", default=False,
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help="overwrite existing target translations with source translations (if missing, only new translations are added)")
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parser.add_option("-n", "--nonnull", action="store_true", dest="nonnull", default=False,
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help="do not update target translations with source translations that are identical to the untranslated text)")
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(options, args) = parser.parse_args(argv)
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if len(args) <= 1:
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parser.print_help()
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return 0
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toolsdir = os.path.dirname(args[0])
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if options.target:
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podir1 = os.path.abspath(options.target)
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else:
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podir1 = os.path.normpath(os.path.join(toolsdir, '../../po'))
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podir2 = os.path.abspath(args[1])
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if options.language:
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name = options.language + '.po'
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mergepo(os.path.join(podir1, name), os.path.join(podir2, name), options)
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else:
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for i in os.listdir(podir1):
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(base, ext) = os.path.splitext(i)
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if ext != ".po":
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continue
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mergepo(os.path.join(podir1, i), os.path.join(podir2, i), options)
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return 0
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if __name__ == "__main__":
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main(sys.argv)
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