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[bug] Can't use gettext_lazy in django settings.py (provide an alternative) #648

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[bug] Can't use gettext_lazy in django settings.py (provide an alternative)#648
#1123
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LazyIssueRelated to lazy evaluation such as @format etc...bugdjangohacktoberfest
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@rochacbruno

Description

@rochacbruno
rochacbruno
opened on Aug 26, 2021
from django.utils.translation import gettext_lazy as _

# Default language
LANGUAGE_CODE = 'en-us'

LANGUAGES = [
    ('ja', _('Japanese')),
    ('nl', _('Dutch')),
    ('fr', _('French')),
    ('es', _('Spanish')),
    ('zh-hans', _('Chinese')),
    ('en-us', _('English (USA)')),
]
Traceback (most recent call last):
  File "/venv/lib64/python3.8/site-packages/django/utils/translation/trans_real.py", line 194, in _add_installed_apps_translations
    app_configs = reversed(list(apps.get_app_configs()))
  File "/venv/lib64/python3.8/site-packages/django/apps/registry.py", line 145, in get_app_configs
    self.check_apps_ready()
  File "/venv/lib64/python3.8/site-packages/django/apps/registry.py", line 136, in check_apps_ready
    raise AppRegistryNotReady("Apps aren't loaded yet.")
django.core.exceptions.AppRegistryNotReady: Apps aren't loaded yet.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/venv/bin/django-admin", line 8, in <module>
    sys.exit(execute_from_command_line())
  File "/venv/lib64/python3.8/site-packages/django/core/management/__init__.py", line 419, in execute_from_command_line
    utility.execute()
  File "/venv/lib64/python3.8/site-packages/django/core/management/__init__.py", line 363, in execute
    settings.INSTALLED_APPS
  File "/venv/lib64/python3.8/site-packages/django/conf/__init__.py", line 82, in __getattr__
    self._setup(name)
  File "/venv/lib64/python3.8/site-packages/django/conf/__init__.py", line 69, in _setup
    self._wrapped = Settings(settings_module)
  File "/venv/lib64/python3.8/site-packages/django/conf/__init__.py", line 170, in __init__
    mod = importlib.import_module(self.SETTINGS_MODULE)
  File "/usr/lib64/python3.8/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 783, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/src/pulpcore/pulpcore/app/settings.py", line 292, in <module>
    settings = dynaconf.DjangoDynaconf(
  File "/venv/lib64/python3.8/site-packages/dynaconf/contrib/django_dynaconf_v2.py", line 79, in load
    lazy_settings.populate_obj(django_settings_module)
  File "/venv/lib64/python3.8/site-packages/dynaconf/base.py", line 154, in __getattr__
    self._setup()
  File "/venv/lib64/python3.8/site-packages/dynaconf/base.py", line 204, in _setup
    self._wrapped = Settings(
  File "/venv/lib64/python3.8/site-packages/dynaconf/base.py", line 269, in __init__
    self.execute_loaders()
  File "/venv/lib64/python3.8/site-packages/dynaconf/base.py", line 997, in execute_loaders
    self.pre_load(env, silent=silent, key=key)
  File "/venv/lib64/python3.8/site-packages/dynaconf/base.py", line 1015, in pre_load
    self.load_file(path=preloads, env=env, silent=silent, key=key)
  File "/venv/lib64/python3.8/site-packages/dynaconf/base.py", line 1042, in load_file
    if py_loader.try_to_load_from_py_module_name(
  File "/venv/lib64/python3.8/site-packages/dynaconf/loaders/py_loader.py", line 61, in try_to_load_from_py_module_name
    mod = importlib.import_module(str(name))
  File "/usr/lib64/python3.8/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 783, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/src/pulp_ansible/pulp_ansible/app/settings.py", line 24, in <module>
    ANSIBLE_CONTENT_HOSTNAME = settings.CONTENT_ORIGIN + "/pulp/content"
  File "/venv/lib64/python3.8/site-packages/dynaconf/base.py", line 154, in __getattr__
    self._setup()
  File "/venv/lib64/python3.8/site-packages/dynaconf/base.py", line 204, in _setup
    self._wrapped = Settings(
  File "/venv/lib64/python3.8/site-packages/dynaconf/base.py", line 269, in __init__
    self.execute_loaders()
  File "/venv/lib64/python3.8/site-packages/dynaconf/base.py", line 997, in execute_loaders
    self.pre_load(env, silent=silent, key=key)
  File "/venv/lib64/python3.8/site-packages/dynaconf/base.py", line 1015, in pre_load
    self.load_file(path=preloads, env=env, silent=silent, key=key)
  File "/venv/lib64/python3.8/site-packages/dynaconf/base.py", line 1042, in load_file
    if py_loader.try_to_load_from_py_module_name(
  File "/venv/lib64/python3.8/site-packages/dynaconf/loaders/py_loader.py", line 62, in try_to_load_from_py_module_name
    load_from_python_object(obj, mod, name, key, identifier)
  File "/venv/lib64/python3.8/site-packages/dynaconf/loaders/py_loader.py", line 35, in load_from_python_object
    obj.set(
  File "/venv/lib64/python3.8/site-packages/dynaconf/base.py", line 848, in set
    value = parse_conf_data(value, tomlfy=tomlfy, box_settings=self)
  File "/venv/lib64/python3.8/site-packages/dynaconf/utils/parse_conf.py", line 302, in parse_conf_data
    return [
  File "/venv/lib64/python3.8/site-packages/dynaconf/utils/parse_conf.py", line 303, in <listcomp>
    parse_conf_data(item, tomlfy=tomlfy, box_settings=box_settings)
  File "/venv/lib64/python3.8/site-packages/dynaconf/utils/parse_conf.py", line 302, in parse_conf_data
    return [
  File "/venv/lib64/python3.8/site-packages/dynaconf/utils/parse_conf.py", line 303, in <listcomp>
    parse_conf_data(item, tomlfy=tomlfy, box_settings=box_settings)
  File "/venv/lib64/python3.8/site-packages/dynaconf/utils/parse_conf.py", line 317, in parse_conf_data
    return _parse_conf_data(data, tomlfy=tomlfy, box_settings=box_settings)
  File "/venv/lib64/python3.8/site-packages/dynaconf/utils/parse_conf.py", line 271, in _parse_conf_data
    if (
  File "/venv/lib64/python3.8/site-packages/django/utils/functional.py", line 135, in __wrapper__
    res = func(*self.__args, **self.__kw)
  File "/venv/lib64/python3.8/site-packages/django/utils/translation/__init__.py", line 94, in gettext
    return _trans.gettext(message)
  File "/venv/lib64/python3.8/site-packages/django/utils/translation/trans_real.py", line 355, in gettext
    _default = _default or translation(settings.LANGUAGE_CODE)
  File "/venv/lib64/python3.8/site-packages/django/utils/translation/trans_real.py", line 268, in translation
    _translations[language] = DjangoTranslation(language)
  File "/venv/lib64/python3.8/site-packages/django/utils/translation/trans_real.py", line 155, in __init__
    self._add_installed_apps_translations()
  File "/venv/lib64/python3.8/site-packages/django/utils/translation/trans_real.py", line 196, in _add_installed_apps_translations
    raise AppRegistryNotReady(
django.core.exceptions.AppRegistryNotReady: The translation infrastructure cannot be initialized before the apps registry is ready. Check that you don't make non-lazy gettext calls at import time.

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