OpenSlides/server/openslides/mediafiles/apps.py

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from django.apps import AppConfig
from django.conf import settings
from django.core.exceptions import ImproperlyConfigured
class MediafilesAppConfig(AppConfig):
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name = "openslides.mediafiles"
verbose_name = "OpenSlides Mediafiles"
def ready(self):
# Import all required stuff.
from openslides.core.signals import permission_change
from openslides.utils.rest_api import router
from . import serializers # noqa
from .projector import register_projector_slides
from .signals import get_permission_change_data
from .views import MediafileViewSet
# Validate, that the media_url is correct formatted:
# Must begin and end with a slash. It has to be at least "/".
media_url = settings.MEDIA_URL
if not media_url.startswith("/") or not media_url.endswith("/"):
raise ImproperlyConfigured(
"The MEDIA_URL setting must start and end with a slash"
)
# Define projector elements.
register_projector_slides()
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# Connect signals.
permission_change.connect(
get_permission_change_data,
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dispatch_uid="mediafiles_get_permission_change_data",
)
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# Register viewsets.
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router.register(
self.get_model("Mediafile").get_collection_string(), MediafileViewSet
)
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def get_startup_elements(self):
"""
Yields all Cachables required on startup i. e. opening the websocket
connection.
"""
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yield self.get_model("Mediafile")