[fix] remove usage of request context where not available

from babel.support import Translations

import flask_babel

from flask_babel import Babel, gettext, format_date, format_decimal

from flask.ctx import has_request_context

from flask.json import jsonify

from searx import brand

from searx import settings, searx_dir, searx_debug

# monkey patch for flask_babel.get_translations

def _get_translations():

    translation_locale = request.form.get('use-translation')

    if translation_locale:

    if has_request_context() and request.form.get('use-translation') == 'oc':

        babel_ext = flask_babel.current_app.extensions['babel']

        translation = Translations.load(next(babel_ext.translation_directories), 'oc')

    else:

        translation = _flask_babel_get_translations()

    return translation

        return Translations.load(next(babel_ext.translation_directories), 'oc')

    return _flask_babel_get_translations()

flask_babel.get_translations = _get_translations