183 lines
6.9 KiB
Python
183 lines
6.9 KiB
Python
#!/usr/bin/env python
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#
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# This Python file contains utility scripts to manage Django translations.
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# It has to be run inside the django git root directory.
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#
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# The following commands are available:
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#
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# * update_catalogs: check for new strings in core and contrib catalogs, and
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# output how much strings are new/changed.
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#
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# * lang_stats: output statistics for each catalog/language combination
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#
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# * fetch: fetch translations from transifex.com
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#
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# Each command support the --languages and --resources options to limit their
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# operation to the specified language or resource. For example, to get stats
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# for Spanish in contrib.admin, run:
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#
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# $ python scripts/manage_translations.py lang_stats --language=es --resources=admin
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import os
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from argparse import ArgumentParser
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from subprocess import PIPE, run
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import django
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from django.conf import settings
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from django.core.management import call_command
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HAVE_JS = ['admin']
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def _get_locale_dirs(resources, include_core=True):
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"""
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Return a tuple (contrib name, absolute path) for all locale directories,
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optionally including the django core catalog.
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If resources list is not None, filter directories matching resources content.
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"""
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contrib_dir = os.path.join(os.getcwd(), 'django', 'contrib')
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dirs = []
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# Collect all locale directories
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for contrib_name in os.listdir(contrib_dir):
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path = os.path.join(contrib_dir, contrib_name, 'locale')
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if os.path.isdir(path):
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dirs.append((contrib_name, path))
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if contrib_name in HAVE_JS:
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dirs.append(("%s-js" % contrib_name, path))
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if include_core:
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dirs.insert(0, ('core', os.path.join(os.getcwd(), 'django', 'conf', 'locale')))
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# Filter by resources, if any
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if resources is not None:
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res_names = [d[0] for d in dirs]
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dirs = [ld for ld in dirs if ld[0] in resources]
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if len(resources) > len(dirs):
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print("You have specified some unknown resources. "
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"Available resource names are: %s" % (', '.join(res_names),))
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exit(1)
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return dirs
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def _tx_resource_for_name(name):
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""" Return the Transifex resource name """
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if name == 'core':
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return "django.core"
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else:
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return "django.contrib-%s" % name
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def _check_diff(cat_name, base_path):
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"""
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Output the approximate number of changed/added strings in the en catalog.
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"""
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po_path = '%(path)s/en/LC_MESSAGES/django%(ext)s.po' % {
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'path': base_path, 'ext': 'js' if cat_name.endswith('-js') else ''}
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p = run("git diff -U0 %s | egrep '^[-+]msgid' | wc -l" % po_path,
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stdout=PIPE, stderr=PIPE, shell=True)
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num_changes = int(p.stdout.strip())
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print("%d changed/added messages in '%s' catalog." % (num_changes, cat_name))
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def update_catalogs(resources=None, languages=None):
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"""
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Update the en/LC_MESSAGES/django.po (main and contrib) files with
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new/updated translatable strings.
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"""
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settings.configure()
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django.setup()
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if resources is not None:
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print("`update_catalogs` will always process all resources.")
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contrib_dirs = _get_locale_dirs(None, include_core=False)
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os.chdir(os.path.join(os.getcwd(), 'django'))
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print("Updating en catalogs for Django and contrib apps...")
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call_command('makemessages', locale=['en'])
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print("Updating en JS catalogs for Django and contrib apps...")
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call_command('makemessages', locale=['en'], domain='djangojs')
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# Output changed stats
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_check_diff('core', os.path.join(os.getcwd(), 'conf', 'locale'))
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for name, dir_ in contrib_dirs:
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_check_diff(name, dir_)
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def lang_stats(resources=None, languages=None):
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"""
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Output language statistics of committed translation files for each
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Django catalog.
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If resources is provided, it should be a list of translation resource to
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limit the output (e.g. ['core', 'gis']).
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"""
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locale_dirs = _get_locale_dirs(resources)
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for name, dir_ in locale_dirs:
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print("\nShowing translations stats for '%s':" % name)
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langs = sorted(d for d in os.listdir(dir_) if not d.startswith('_'))
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for lang in langs:
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if languages and lang not in languages:
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continue
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# TODO: merge first with the latest en catalog
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po_path = '{path}/{lang}/LC_MESSAGES/django{ext}.po'.format(
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path=dir_, lang=lang, ext='js' if name.endswith('-js') else ''
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)
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p = run(
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['msgfmt', '-vc', '-o', '/dev/null', po_path],
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stdout=PIPE, stderr=PIPE,
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env={'LANG': 'C'}
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)
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if p.returncode == 0:
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# msgfmt output stats on stderr
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print("%s: %s" % (lang, p.stderr.decode().strip()))
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else:
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print("Errors happened when checking %s translation for %s:\n%s" % (
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lang, name, p.stderr.decode()))
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def fetch(resources=None, languages=None):
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"""
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Fetch translations from Transifex, wrap long lines, generate mo files.
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"""
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locale_dirs = _get_locale_dirs(resources)
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errors = []
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for name, dir_ in locale_dirs:
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# Transifex pull
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if languages is None:
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run(['tx', 'pull', '-r', _tx_resource_for_name(name), '-a', '-f', '--minimum-perc=5'])
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target_langs = sorted(d for d in os.listdir(dir_) if not d.startswith('_') and d != 'en')
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else:
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for lang in languages:
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run(['tx', 'pull', '-r', _tx_resource_for_name(name), '-f', '-l', lang])
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target_langs = languages
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# msgcat to wrap lines and msgfmt for compilation of .mo file
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for lang in target_langs:
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po_path = '%(path)s/%(lang)s/LC_MESSAGES/django%(ext)s.po' % {
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'path': dir_, 'lang': lang, 'ext': 'js' if name.endswith('-js') else ''}
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if not os.path.exists(po_path):
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print("No %(lang)s translation for resource %(name)s" % {
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'lang': lang, 'name': name})
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continue
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run(['msgcat', '--no-location', '-o', po_path, po_path])
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msgfmt = run(['msgfmt', '-c', '-o', '%s.mo' % po_path[:-3], po_path])
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if msgfmt.returncode != 0:
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errors.append((name, lang))
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if errors:
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print("\nWARNING: Errors have occurred in following cases:")
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for resource, lang in errors:
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print("\tResource %s for language %s" % (resource, lang))
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exit(1)
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if __name__ == "__main__":
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RUNABLE_SCRIPTS = ('update_catalogs', 'lang_stats', 'fetch')
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parser = ArgumentParser()
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parser.add_argument('cmd', nargs=1, choices=RUNABLE_SCRIPTS)
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parser.add_argument("-r", "--resources", action='append', help="limit operation to the specified resources")
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parser.add_argument("-l", "--languages", action='append', help="limit operation to the specified languages")
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options = parser.parse_args()
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eval(options.cmd[0])(options.resources, options.languages)
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