check all registered staticfiles finders errors for finder in getfinders try findererrors finder check except notimplementederror pass else errors extendfindererrors return errors def checkstoragesappconfigsnone kwargs check all registered staticfiles finders ensure staticfiles is defined in storages setting
from django.conf import STATICFILES_STORAGE_ALIAS, settings
from django.contrib.staticfiles.finders import get_finders
from django.core.checks import Error

E005 = Error(
    f"The STORAGES setting must define a '{STATICFILES_STORAGE_ALIAS}' storage.",
    id="staticfiles.E005",
)


def check_finders(app_configs=None, **kwargs):
    
    errors = []
    for finder in get_finders():
        try:
            finder_errors = finder.check()
        except NotImplementedError:
            pass
        else:
            errors.extend(finder_errors)
    return errors


def check_storages(app_configs=None, **kwargs):
    
    errors = []
    if STATICFILES_STORAGE_ALIAS not in settings.STORAGES:
        errors.append(E005)
    return errors