mirror of
https://github.com/django/django.git
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361 lines
12 KiB
Python
361 lines
12 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 collections import defaultdict
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from configparser import ConfigParser
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from datetime import datetime
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from subprocess import run
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import requests
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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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LANG_OVERRIDES = {
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"zh_CN": "zh_Hans",
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"zh_TW": "zh_Hant",
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}
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def list_resources_with_updates(date_since, date_skip=None, verbose=False):
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resource_lang_changed = defaultdict(list)
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resource_lang_unchanged = defaultdict(list)
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# Read token from ENV, otherwise read from the ~/.transifexrc file.
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api_token = os.getenv("TRANSIFEX_API_TOKEN")
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if not api_token:
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parser = ConfigParser()
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parser.read(os.path.expanduser("~/.transifexrc"))
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api_token = parser.get("https://www.transifex.com", "token")
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assert api_token, "Please define the TRANSIFEX_API_TOKEN env var."
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headers = {"Authorization": f"Bearer {api_token}"}
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base_url = "https://rest.api.transifex.com"
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base_params = {"filter[project]": "o:django:p:django"}
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resources_url = base_url + "/resources"
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resource_stats_url = base_url + "/resource_language_stats"
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response = requests.get(resources_url, headers=headers, params=base_params)
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assert response.ok, response.content
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data = response.json()["data"]
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for item in data:
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if item["type"] != "resources":
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continue
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resource_id = item["id"]
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resource_name = item["attributes"]["name"]
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params = base_params.copy()
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params.update({"filter[resource]": resource_id})
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stats = requests.get(resource_stats_url, headers=headers, params=params)
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stats_data = stats.json()["data"]
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for lang_data in stats_data:
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lang_id = lang_data["id"].split(":")[-1]
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lang_attributes = lang_data["attributes"]
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last_update = lang_attributes["last_translation_update"]
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if verbose:
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print(
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f"CHECKING {resource_name} for {lang_id=} updated on {last_update}"
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)
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if last_update is None:
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resource_lang_unchanged[resource_name].append(lang_id)
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continue
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last_update = datetime.strptime(last_update, "%Y-%m-%dT%H:%M:%SZ")
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if last_update > date_since and (
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date_skip is None or last_update.date() != date_skip.date()
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):
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if verbose:
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print(f"=> CHANGED {lang_attributes=} {date_skip=}")
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resource_lang_changed[resource_name].append(lang_id)
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else:
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resource_lang_unchanged[resource_name].append(lang_id)
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if verbose:
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unchanged = "\n".join(
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f"\n * resource {res} languages {' '.join(sorted(langs))}"
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for res, langs in resource_lang_unchanged.items()
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)
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print(f"== SUMMARY for unchanged resources ==\n{unchanged}")
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return resource_lang_changed
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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(
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"You have specified some unknown resources. "
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"Available resource names are: %s" % (", ".join(res_names),)
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)
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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,
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"ext": "js" if cat_name.endswith("-js") else "",
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}
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p = run(
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"git diff -U0 %s | egrep '^[-+]msgid' | wc -l" % po_path,
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capture_output=True,
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shell=True,
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)
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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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capture_output=True,
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env={"LANG": "C"},
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encoding="utf-8",
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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.strip()))
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else:
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print(
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"Errors happened when checking %s translation for %s:\n%s"
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% (lang, name, p.stderr)
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)
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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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cmd = [
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"tx",
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"pull",
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"-r",
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_tx_resource_for_name(name),
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"-f",
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"--minimum-perc=5",
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]
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# Transifex pull
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if languages is None:
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run(cmd + ["--all"])
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target_langs = sorted(
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d for d in os.listdir(dir_) if not d.startswith("_") and d != "en"
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)
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else:
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for lang in languages:
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run(cmd + ["-l", lang])
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target_langs = languages
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target_langs = [LANG_OVERRIDES.get(d, d) for d in target_langs]
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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_,
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"lang": lang,
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"ext": "js" if name.endswith("-js") else "",
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}
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if not os.path.exists(po_path):
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print(
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"No %(lang)s translation for resource %(name)s"
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% {"lang": lang, "name": name}
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)
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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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def fetch_since(date_since, date_skip=None, verbose=False, dry_run=False):
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"""
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Fetch translations from Transifex that were modified since the given date.
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"""
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changed = list_resources_with_updates(
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date_since=date_since, date_skip=date_skip, verbose=verbose
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)
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if verbose:
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print(f"== SUMMARY for changed resources {dry_run=} ==\n")
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for res, langs in changed.items():
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if verbose:
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print(f"\n * resource {res} languages {' '.join(sorted(langs))}")
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if not dry_run:
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fetch(resources=[res], languages=sorted(langs))
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if not changed and verbose:
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print(f"\n No resource changed since {date_since}")
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def add_common_arguments(parser):
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parser.add_argument(
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"-r",
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"--resources",
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action="append",
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help="limit operation to the specified resources",
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)
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parser.add_argument(
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"-l",
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"--languages",
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action="append",
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help="limit operation to the specified languages",
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)
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if __name__ == "__main__":
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parser = ArgumentParser()
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subparsers = parser.add_subparsers(
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dest="cmd", help="choose the operation to perform"
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)
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parser_update = subparsers.add_parser(
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"update_catalogs",
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help="update English django.po files with new/updated translatable strings",
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)
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add_common_arguments(parser_update)
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parser_stats = subparsers.add_parser(
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"lang_stats",
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help="print the approximate number of changed/added strings in the en catalog",
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)
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add_common_arguments(parser_stats)
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parser_fetch = subparsers.add_parser(
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"fetch",
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help="fetch translations from Transifex, wrap long lines, generate mo files",
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)
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add_common_arguments(parser_fetch)
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parser_fetch = subparsers.add_parser(
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"fetch_since",
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help=(
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"fetch translations from Transifex modified since a given date "
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"(for all languages and all resources)"
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),
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)
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parser_fetch.add_argument("-v", "--verbose", action="store_true")
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parser_fetch.add_argument(
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"-s",
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"--since",
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required=True,
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dest="date_since",
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metavar="YYYY-MM-DD",
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type=datetime.fromisoformat,
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help="fetch new translations since this date (ISO format YYYY-MM-DD).",
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)
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parser_fetch.add_argument(
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"--skip",
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dest="date_skip",
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metavar="YYYY-MM-DD",
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type=datetime.fromisoformat,
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help="skip changes from this date (ISO format YYYY-MM-DD).",
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)
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parser_fetch.add_argument("--dry-run", dest="dry_run", action="store_true")
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options = parser.parse_args()
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kwargs = options.__dict__
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cmd = kwargs.pop("cmd")
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eval(cmd)(**kwargs)
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