Egor fureunoir Gorbunov
9e40323823
Fixes: 1) Correct line references in locale files for consistency; Extra: Improve formatting and alignment of string segments for clarity and maintainability;
114 lines
4.1 KiB
Python
114 lines
4.1 KiB
Python
import importlib
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import os
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from argparse import ArgumentParser
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import requests
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from django.core.management.base import BaseCommand, CommandError
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from django.db import transaction
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from core.management.commands import DEEPL_TARGET_LANGUAGES_MAPPING
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DEEPL_API_URL = "https://api.deepl.com/v2/translate"
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class Command(BaseCommand):
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help = (
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"Translate a model field into another language via DeepL and store it "
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"in the translated_<lang> field created by django-modeltranslation."
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)
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def add_arguments(self, parser: ArgumentParser) -> None:
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parser.add_argument(
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"-t",
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"--target",
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required=True,
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help="Dotted path to the field to translate, e.g. core.models.Product.description",
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)
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parser.add_argument(
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"-l",
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"--language",
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required=True,
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help="Modeltranslation language code to translate into, e.g. de-de, fr-fr, zh-hans",
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)
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def handle(self, *args, **options) -> None:
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target = options["target"]
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lang = options["language"].lower()
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if lang not in DEEPL_TARGET_LANGUAGES_MAPPING:
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raise CommandError(f"Unknown language '{lang}'.")
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deepl_lang = DEEPL_TARGET_LANGUAGES_MAPPING[lang]
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if deepl_lang == "unsupported":
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raise CommandError(f"DeepL does not support translating into '{lang}'.")
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try:
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module_path, model_name, field_name = target.rsplit(".", 2)
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except ValueError as e:
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raise CommandError(
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"Invalid target format. Use app.module.Model.field, e.g. core.models.Product.description"
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) from e
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try:
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module = importlib.import_module(module_path)
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model = getattr(module, model_name)
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except (ImportError, AttributeError) as e:
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raise CommandError(f"Could not import model '{model_name}' from '{module_path}': {e}") from e
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dest_suffix = lang.replace("-", "_")
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dest_field = f"{field_name}_{dest_suffix}"
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if not hasattr(model, dest_field):
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raise CommandError(
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f"Model '{model_name}' has no field '{dest_field}'. "
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"Did you run makemigrations/migrate after setting up modeltranslation?"
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)
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auth_key = os.environ.get("DEEPL_AUTH_KEY")
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if not auth_key:
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raise CommandError("Environment variable DEEPL_AUTH_KEY is not set.")
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qs = model.objects.exclude(**{f"{field_name}__isnull": True}).exclude(**{f"{field_name}": ""})
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total = qs.count()
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if total == 0:
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self.stdout.write("No instances with non-empty source field found.")
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return
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self.stdout.write(f"Translating {total} objects from '{field_name}' into '{dest_field}'.")
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for obj in qs.iterator():
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src_text = getattr(obj, field_name)
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existing = getattr(obj, dest_field, None)
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if existing:
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self.stdout.write(f"Skipping {obj.pk}: '{dest_field}' already set.")
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continue
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resp = requests.post(
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DEEPL_API_URL,
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data={
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"auth_key": auth_key,
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"text": src_text,
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"target_lang": deepl_lang,
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},
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timeout=30,
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)
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if resp.status_code != 200:
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self.stderr.write(f"DeepL API error for {obj.pk}: {resp.status_code} {resp.text}")
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continue
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data = resp.json()
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try:
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translated = data["translations"][0]["text"]
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except (KeyError, IndexError):
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self.stderr.write(f"Unexpected DeepL response for {obj.pk}: {data}")
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continue
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setattr(obj, dest_field, translated)
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try:
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with transaction.atomic():
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obj.save(update_fields=[dest_field])
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except Exception as e:
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self.stderr.write(f"Error saving {obj.pk}: {e}")
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else:
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self.stdout.write(f"✓ {obj.pk}")
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self.stdout.write(self.style.SUCCESS("Done."))
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