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Fallback to two letters .mo file if the plugin doesn't have the file

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For example, the calibre interface language might be `fr_CA` but the plugin only
has `fr.mo`.
This commit is contained in:
xxyzz 2022-09-09 08:02:07 +08:00
parent a911ffc16c
commit c4c52750db
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1 changed files with 9 additions and 7 deletions
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12
src/calibre/customize/zipplugin.py
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@ -119,13 +119,15 @@ def load_translations(namespace, zfp):
_translations_cache[zfp] = None _translations_cache[zfp] = None
return return
with zipfile.ZipFile(zfp) as zf: with zipfile.ZipFile(zfp) as zf:
try: mo_path = zipfile.Path(zf, f"translations/{lang}.mo")
mo = zf.read('translations/%s.mo' % lang) if not mo_path.exists() and "_" in lang:
except KeyError: mo_path = zipfile.Path(zf, f"translations/{lang.split('_')[0]}.mo")
mo = None # No translations for this language present if mo_path.exists():
if mo is None: mo = mo_path.read_bytes()
else:
_translations_cache[zfp] = None _translations_cache[zfp] = None
return return
from gettext import GNUTranslations from gettext import GNUTranslations
from io import BytesIO from io import BytesIO
trans = _translations_cache[zfp] = GNUTranslations(BytesIO(mo)) trans = _translations_cache[zfp] = GNUTranslations(BytesIO(mo))