54d6196698
- Remove unnecessary imports These imports were a leftover from early versions; now, they are done in modules such as flightgear.meta.i18n and don't need to be in the calling scripts anymore. - Fix an exception message
179 lines
7.2 KiB
Python
Executable file
179 lines
7.2 KiB
Python
Executable file
#! /usr/bin/env python3
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# -*- coding: utf-8 -*-
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# fg-update-translation-files --- Merge new default translation,
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# remove obsolete strings from a translation
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# Copyright (C) 2017 Florent Rougon
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import argparse
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import enum
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import locale
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import os
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import sys
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import flightgear.meta.logging
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import flightgear.meta.i18n as fg_i18n
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PROGNAME = os.path.basename(sys.argv[0])
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# Only messages with severity >= info will be printed to the terminal (it's
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# possible to also log all messages to a file regardless of their level, see
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# the Logger class). Of course, there is also the standard logging module...
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logger = flightgear.meta.logging.Logger(
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progname=PROGNAME,
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logLevel=flightgear.meta.logging.LogLevel.info,
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defaultOutputStream=sys.stderr)
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def processCommandLine():
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params = argparse.Namespace()
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parser = argparse.ArgumentParser(
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usage="""\
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%(prog)s [OPTION ...] ACTION LANGUAGE_CODE...
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Update FlightGear XLIFF localization files.""",
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description="""\
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This program performs the following operations (actions) on FlightGear XLIFF
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translation files (*.xlf):
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- [merge-new-master]
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Read the default translation[1], add new translated strings it contains to
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the XLIFF localization files corresponding to the specified language(s),
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mark the translated strings in said files that need review (modified in
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the default translation) as well as those that are not used anymore
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(disappeared in the default translation, or marked in a way that says they
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don't need to be translated);
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- [mark-unused]
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Read the default translation and mark translated strings (in the XLIFF
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localization files corresponding to the specified language(s)) that are
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not used anymore;
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- [remove-unused]
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In the XLIFF localization files corresponding to the specified
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language(s), remove all translated strings that are marked as unused.
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A translated string that is marked as unused is still present in the XLIFF
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localization file; it is just presented in a way that tells translators they
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don't need to worry about it. On the other hand, when a translated string is
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removed, translators don't see it anymore and the translation is lost, except
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if rescued by external means such as backups or version control systems (Git,
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Subversion, etc.)
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Note that the 'remove-unused' action does *not* imply 'mark-unused'. It only
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removes translation units that are already marked as unused (i.e., with
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translate="no"). Thus, it makes sense to do 'mark-unused' followed by
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'remove-unused' if you really want to get rid of old translations (you need to
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invoke the program twice, or make a small change for this). Leaving unused
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translated strings marked as such in XLIFF files shouldn't harm much in
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general on the short or mid-term: they only take some space.
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[1] FlightGear XML files in $FG_ROOT/Translations/default containing strings
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used for the default locale (English).""",
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formatter_class=argparse.RawDescriptionHelpFormatter,
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# I want --help but not -h (it might be useful for something else)
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add_help=False)
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parser.add_argument("-t", "--transl-dir",
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help="""\
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directory containing all translation subdirs (such as
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{default!r}, 'en_GB', 'fr_FR', 'de', 'it'...). This
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"option" MUST be specified.""".format(
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default=fg_i18n.DEFAULT_LANG_DIR))
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parser.add_argument("action", metavar="ACTION",
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choices=("merge-new-master",
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"mark-unused",
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"remove-unused"),
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help="""\
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what to do: merge a new default (= master)
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translation, or mark unused translation units, or
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remove those already marked as unused from the XLIFF
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files corresponding to each given LANGUAGE_CODE (i.e.,
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those that are not in the default translation)""")
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parser.add_argument("lang_code", metavar="LANGUAGE_CODE", nargs="+",
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help="""\
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codes of languages to operate on (e.g., fr, en_GB, it,
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es_ES...)""")
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parser.add_argument("--help", action="help",
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help="display this message and exit")
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params = parser.parse_args(namespace=params)
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if params.transl_dir is None:
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logger.error("--transl-dir must be given, aborting")
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sys.exit(1)
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return params
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class MarkOrRemoveUnusedAction(enum.Enum):
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mark, remove = range(2)
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def markOrRemoveUnused(l10nResPoolMgr, action):
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formatHandler = fg_i18n.XliffFormatHandler()
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masterTransl = l10nResPoolMgr.readFgMasterTranslation().transl
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for langCode in params.lang_code:
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xliffPath = formatHandler.defaultFilePath(params.transl_dir, langCode)
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transl = formatHandler.readTranslation(xliffPath)
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if action == MarkOrRemoveUnusedAction.mark:
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transl.markObsoleteOrVanished(masterTransl, logger=logger)
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elif action == MarkOrRemoveUnusedAction.remove:
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transl.removeObsoleteOrVanished(logger=logger)
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else:
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assert False, "unexpected action: {!r}".format(action)
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l10nResPoolMgr.writeTranslation(formatHandler, transl,
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filePath=xliffPath)
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def mergeNewMaster(l10nResPoolMgr):
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formatHandler = fg_i18n.XliffFormatHandler()
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masterTransl = l10nResPoolMgr.readFgMasterTranslation().transl
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for langCode in params.lang_code:
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xliffPath = formatHandler.defaultFilePath(params.transl_dir, langCode)
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transl = formatHandler.readTranslation(xliffPath)
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transl.mergeMasterTranslation(masterTransl, logger=logger)
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l10nResPoolMgr.writeTranslation(formatHandler, transl,
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filePath=xliffPath)
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def main():
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global params
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locale.setlocale(locale.LC_ALL, '')
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params = processCommandLine()
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l10nResPoolMgr = fg_i18n.L10NResourcePoolManager(params.transl_dir, logger)
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if params.action == "mark-unused":
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markOrRemoveUnused(l10nResPoolMgr, MarkOrRemoveUnusedAction.mark)
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elif params.action == "remove-unused":
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markOrRemoveUnused(l10nResPoolMgr, MarkOrRemoveUnusedAction.remove)
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elif params.action == "merge-new-master":
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mergeNewMaster(l10nResPoolMgr)
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else:
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assert False, "Bug: unexpected action: {!r}".format(params.action)
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sys.exit(0)
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if __name__ == "__main__": main()
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