73 lines
2.6 KiB
Python
73 lines
2.6 KiB
Python
# passerelle - uniform access to multiple data sources and services
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# Copyright (C) 2016 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import django.apps
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from django.apps import apps
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from django.utils.module_loading import import_string
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class ConnectorAppMixin:
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def get_connector_model(self):
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return self._connector_model
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def get_urls(self):
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try:
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return import_string('%s.urls.urlpatterns' % self.name)
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except ImportError:
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return None
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def get_management_urls(self):
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try:
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return import_string('%s.urls.management_urlpatterns' % self.name)
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except ImportError:
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return None
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class ConnectorAppConfig(ConnectorAppMixin, django.apps.AppConfig):
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pass
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class AppConfig(django.apps.AppConfig):
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name = 'passerelle.base'
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default = True
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def ready(self):
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# once all applications are ready, go through them and mark them as
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# connectors if they have a get_connector_model() method or a model
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# that inherits from BaseResource.
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from .models import BaseResource
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for app in apps.get_app_configs():
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connector_model = None
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if hasattr(app, 'get_connector_model'):
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connector_model = app.get_connector_model()
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else:
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for model in app.get_models():
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if issubclass(model, BaseResource):
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connector_model = model
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app._connector_model = model
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break
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if not connector_model:
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continue
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if app.__class__ is django.apps.AppConfig:
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# switch class if it's an application without a custom
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# appconfig.
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app.__class__ = ConnectorAppConfig
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else:
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# add mixin to base classes if it's an application with a
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# custom appconfig.
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app.__class__.__bases__ = (ConnectorAppMixin,) + app.__class__.__bases__
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