# from apis_core.apis_vocabularies.api_views import UserViewSet
from apis_core.utils import caching
from apis_core.apis_metainfo.viewsets import UriToObjectViewSet
+from apis_core.core.views import Dumpdata
app_name = "apis_core"
@@ -193,7 +194,6 @@ Source code for apis_core.urls
from apis_core.apis_entities.api_views import GetEntityGeneric
-
urlpatterns = [
path("", TemplateView.as_view(template_name="base.html"), name="apis_index"),
path("admin/", admin.site.urls),
@@ -258,6 +258,7 @@ Source code for apis_core.urls
GetEntityGeneric.as_view(),
name="GetEntityGeneric",
),
+ path("api/dumpdata", Dumpdata.as_view()),
]
if "apis_fulltext_download" in settings.INSTALLED_APPS:
diff --git a/_modules/apis_core/utils/helpers.html b/_modules/apis_core/utils/helpers.html
index 26d5a3286..6f05c12cc 100644
--- a/_modules/apis_core/utils/helpers.html
+++ b/_modules/apis_core/utils/helpers.html
@@ -96,7 +96,10 @@ Source code for apis_core.utils.helpers
from apis_core.apis_entities.models import TempEntityClass
from apis_core.apis_relations.models import Property
+from django.apps import apps
+from django.db import DEFAULT_DB_ALIAS, router
from django.contrib.contenttypes.models import ContentType
+from django.core import serializers
@@ -170,6 +173,69 @@
Source code for apis_core.utils.helpers
return members[0][1]
return None
+
+
+
+
[docs]
+
def datadump_get_objects(models: list = [], *args, **kwargs):
+
for model in models:
+
if not model._meta.proxy and router.allow_migrate_model(
+
DEFAULT_DB_ALIAS, model
+
):
+
objects = model._default_manager
+
queryset = objects.using(DEFAULT_DB_ALIAS).order_by(model._meta.pk.name)
+
yield from queryset.iterator()
+
+
+
+
+
[docs]
+
def datadump_get_queryset(additional_app_labels: list = []):
+
"""
+
This method is loosely based on the `dumpdata` admin command.
+
It iterates throug the relevant app models and exports them using
+
a serializer and natural foreign keys.
+
Data exported this way can be reimported into a newly created Django APIS app
+
"""
+
+
# get all APIS apps and all APIS models
+
apis_app_labels = ["apis_relations", "apis_metainfo"]
+
apis_app_models = [
+
model for model in apps.get_models() if model._meta.app_label in apis_app_labels
+
]
+
+
# create a list of app labels we want to iterate
+
# this allows to extend the apps via the ?app_labels= parameter
+
app_labels = set(apis_app_labels)
+
app_labels |= set(additional_app_labels)
+
+
# look for models that inherit from APIS models and add their
+
# app label to app_labels
+
for model in apps.get_models():
+
if any(map(lambda x: issubclass(model, x), apis_app_models)):
+
app_labels.add(model._meta.app_label)
+
+
# now go through all app labels
+
app_list = {}
+
for app_label in app_labels:
+
app_config = apps.get_app_config(app_label)
+
app_list[app_config] = None
+
+
models = serializers.sort_dependencies(app_list.items(), allow_cycles=True)
+
+
yield from datadump_get_objects(models)
+
+
+
+
+
[docs]
+
def datadump_serializer(additional_app_labels: list = [], serialier_format="json"):
+
return serializers.serialize(
+
serialier_format,
+
datadump_get_queryset(additional_app_labels),
+
use_natural_foreign_keys=True,
+
)
+
C
D