codekingpro/portable-devtools

1"""2    flask_security.babel3    ~~~~~~~~~~~~~~~~~~~~4 5    I18N support for Flask-Security.6 7    :copyright: (c) 2019-2023 by J. Christopher Wagner (jwag).8    :license: MIT, see LICENSE for more details.9 10    As of Flask-Babel 2.0.0 - it supports the Flask-BabelEx Domain extension - and it11    is maintained.  If that isn't installed fall back to a Null Domain12"""13 14# flake8: noqa: F81115 16from collections.abc import Iterable17import atexit18from contextlib import ExitStack19from importlib_resources import files, as_file20 21from flask import current_app22from .utils import config_value as cv23 24 25def has_babel_ext():26    # Has the application initialized the appropriate babel extension....27    return current_app and "babel" in current_app.extensions28 29 30try:31    from flask_babel import Domain, get_locale32    from babel.support import LazyProxy33    from babel.lists import format_list34 35    class FsDomain(Domain):36        def __init__(self, app):37            # By default, we use our packaged translations. However, we have to allow38            # for app to add translation directories or completely override ours.39            # Grabbing the packaged translations is a bit complex - so we use40            # the keyword 'builtin' to mean ours.41            cfdir = cv("I18N_DIRNAME", app=app)42            if cfdir == "builtin" or (43                isinstance(cfdir, Iterable) and "builtin" in cfdir44            ):45                fm = ExitStack()46                atexit.register(fm.close)47                ref = files("flask_security") / "translations"48                path = fm.enter_context(as_file(ref))49                if cfdir == "builtin":50                    dirs = [str(path)]51                else:52                    dirs = [d if d != "builtin" else str(path) for d in cfdir]53            else:54                dirs = cfdir55            super().__init__(56                **{57                    "domain": cv("I18N_DOMAIN", app=app),58                    "translation_directories": dirs,59                }60            )61 62        def gettext(self, string, **variables):63            if not has_babel_ext():64                return string if not variables else string % variables65            return super().gettext(string, **variables)66 67        def ngettext(self, singular, plural, num, **variables):  # pragma: no cover68            if not has_babel_ext():69                variables.setdefault("num", num)70                return (singular if num == 1 else plural) % variables71            return super().ngettext(singular, plural, num, **variables)72 73        @staticmethod74        def format_list(lst, **kwargs):75            # This is a Babel method76            if not has_babel_ext():77                return ", ".join(lst)78            ll = get_locale()79            return format_list(lst, locale=get_locale(), **kwargs)80 81    def is_lazy_string(obj):82        """Checks if the given object is a lazy string."""83        return isinstance(obj, LazyProxy)84 85    def make_lazy_string(__func, msg):86        """Creates a lazy string by invoking func with args."""87        return LazyProxy(__func, msg, enable_cache=False)88 89except ImportError:  # pragma: no cover90    # Fake up just enough91    class FsDomain:  # type: ignore[no-redef]92        def __init__(self, app):93            pass94 95        @staticmethod96        def gettext(string, **variables):97            return string if not variables else string % variables98 99        @staticmethod100        def ngettext(singular, plural, num, **variables):101            variables.setdefault("num", num)102            return (singular if num == 1 else plural) % variables103 104        @staticmethod105        def format_list(lst, **kwargs):106            # This is a Babel method107            if not has_babel_ext():108                return ", ".join(lst)109 110    def is_lazy_string(obj):111        return False112 113    def make_lazy_string(__func, msg):114        return msg115