LibreTranslate/libretranslate/locales.py

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import os
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import json
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from functools import lru_cache
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from flask_babel import gettext as _
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from flask_babel import lazy_gettext as _lazy
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from markupsafe import escape, Markup
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@lru_cache(maxsize=None)
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def get_available_locales(only_reviewed=True, sort_by_name=False):
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locales_dir = os.path.join(os.path.dirname(__file__), 'locales')
dirs = [os.path.join(locales_dir, d) for d in os.listdir(locales_dir)]
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res = [{'code': 'en', 'name': 'English', 'reviewed': True}]
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for d in dirs:
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if d == 'en':
continue
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meta_file = os.path.join(d, 'meta.json')
if os.path.isdir(os.path.join(d, 'LC_MESSAGES')) and os.path.isfile(meta_file):
try:
with open(meta_file) as f:
j = json.loads(f.read())
except Exception as e:
print(e)
continue
if j.get('reviewed') or not only_reviewed:
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res.append({'code': os.path.basename(d), 'name': j.get('name', ''), 'reviewed': j.get('reviewed', False)})
if sort_by_name:
res.sort(key=lambda s: s['name'])
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return res
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@lru_cache(maxsize=None)
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def get_available_locale_codes(only_reviewed=True):
return [l['code'] for l in get_available_locales(only_reviewed=only_reviewed)]
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@lru_cache(maxsize=None)
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def get_alternate_locale_links():
tmpl = os.environ.get("LT_LOCALE_LINK_TEMPLATE")
if tmpl is None:
return []
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locales = get_available_locale_codes()
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result = []
for l in locales:
link = tmpl.replace("{LANG}", l)
if l == 'en':
link = link.replace("en.", "")
result.append({ 'link': link,'lang': l })
return result
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# Javascript code should use _e instead of _
def gettext_escaped(text, **variables):
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return json.dumps(_(text, **variables))
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# HTML should be escaped using _h instead of _
def gettext_html(text, **variables):
# Translate text without args
s = str(escape(_(text)))
v = {}
if variables:
for k in variables:
if hasattr(variables[k], 'unescape'):
v[k] = variables[k].unescape()
else:
v[k] = Markup(variables[k])
# Variables are assumed to be already escaped and thus safe
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return Markup(s if not v else s % v)
def swag_eval(swag, func):
# Traverse the swag spec structure
# and call func on summary and description keys
for k in swag:
if k in ['summary', 'description'] and isinstance(swag[k], str) and swag[k] != "":
swag[k] = func(swag[k])
elif k == 'tags' and isinstance(swag[k], list):
swag[k] = [func(v) for v in swag[k]]
elif isinstance(swag[k], dict):
swag_eval(swag[k], func)
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elif isinstance(swag[k], list) and k != 'consumes':
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for i in swag[k]:
if isinstance(i, str):
func(i)
elif isinstance(i, dict):
swag_eval(i, func)
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return swag
def lazy_swag(swag):
return swag_eval(swag, _lazy)