Source code for oioioi.base.utils.deps

from django.conf import settings
from django.core.exceptions import ImproperlyConfigured


[docs]def is_django_app_installed(app_name):
    return app_name in settings.INSTALLED_APPS


[docs]def check_django_app_dependencies(app_name, depends_on, strict=False):
    if app_name.endswith('.models'):
        app_name = app_name[:-7]
    if not is_django_app_installed(app_name):
        raise ImproperlyConfigured(
            "Django app %s is loaded (because "
            "something depends on it), but it's not in "
            "settings.INSTALLED_APPS. Please add it there." % (app_name,)
        )
    index = settings.INSTALLED_APPS.index(app_name)
    assert isinstance(depends_on, (list, tuple))
    for dep in depends_on:
        if not is_django_app_installed(dep):
            raise ImproperlyConfigured(
                "Django app %s requires %s, which "
                "is not present in settings.INSTALLED_APPS" % (app_name, dep)
            )
        if strict and index > settings.INSTALLED_APPS.index(dep):
            raise ImproperlyConfigured(
                "Django app %(overriding)s overrides "
                "%(overridden)s, so %(overriding)s should be placed "
                "before %(overridden)s in settings.INSTALLED_APPS"
                % {'overriding': app_name, 'overridden': dep}
            )