team-3/src/c3nav/mapdata/apps.py
Laura Klünder 6bbac4a7ba new REST API
2017-05-11 21:02:01 +02:00

44 lines
1.7 KiB
Python

from typing import List
from django.apps import AppConfig
from django.core.exceptions import FieldDoesNotExist
from django.db import models
from django.utils.translation import ugettext_lazy as _
class MapdataConfig(AppConfig):
name = 'c3nav.mapdata'
def _get_submodels(self, cls: type) -> List[models.Model]:
submodels = []
for subcls in cls.__subclasses__():
if issubclass(subcls, models.Model) and not subcls._meta.abstract:
submodels.append(subcls)
submodels.extend(self._get_submodels(subcls))
return submodels
def ready(self):
from c3nav.mapdata.models.base import EditorFormMixin, EDITOR_FORM_MODELS
for cls in self._get_submodels(EditorFormMixin):
EDITOR_FORM_MODELS[cls.__name__] = cls
from c3nav.mapdata.models.geometry.base import GeometryMixin, GEOMETRY_MODELS
for cls in self._get_submodels(GeometryMixin):
GEOMETRY_MODELS[cls.__name__] = cls
geometry = None
try:
geometry = cls._meta.get_field('geometry')
except FieldDoesNotExist:
pass
if geometry is None:
raise TypeError(_('Model %s has GeometryMixin as base class but has no geometry field.') % cls)
from c3nav.mapdata.models.locations import Location, LOCATION_MODELS
LOCATION_MODELS.extend(self._get_submodels(Location))
from c3nav.mapdata.models.geometry.section import SectionGeometryMixin, SECTION_MODELS
SECTION_MODELS.extend(self._get_submodels(SectionGeometryMixin))
from c3nav.mapdata.models.geometry.space import SpaceGeometryMixin, SPACE_MODELS
SPACE_MODELS.extend(self._get_submodels(SpaceGeometryMixin))