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from django.apps import apps
from django.core.exceptions import ImproperlyConfigured
__all__ = ["haystack_get_models", "haystack_load_apps"]
APP = "app"
MODEL = "model"
def haystack_get_app_modules():
"""Return the Python module for each installed app"""
return [i.module for i in apps.get_app_configs()]
def haystack_load_apps():
"""Return a list of app labels for all installed applications which have models"""
return [i.label for i in apps.get_app_configs() if i.models_module is not None]
def haystack_get_models(label):
try:
app_mod = apps.get_app_config(label)
return app_mod.get_models()
except LookupError:
if "." not in label:
raise ImproperlyConfigured("Unknown application label {}".format(label))
app_label, model_name = label.rsplit(".", 1)
return [apps.get_model(app_label, model_name)]
except ImproperlyConfigured:
pass
def haystack_get_model(app_label, model_name):
return apps.get_model(app_label, model_name)
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