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chore: abstract models and daos into superset-core (#35259)

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This commit is contained in:
Ville Brofeldt
2025-11-14 17:00:44 -08:00
committed by GitHub
parent c955a5dc08
commit c2baba50f9
35 changed files with 948 additions and 431 deletions
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41
docs/developer_portal/extensions/interacting-with-host.md
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@@ -26,6 +26,8 @@ under the License.
Extensions interact with Superset through well-defined, versioned APIs provided by the `@apache-superset/core` (frontend) and `apache-superset-core` (backend) packages. These APIs are designed to be stable, discoverable, and consistent for both built-in and external extensions.
**Note**: The `superset_core.api` module provides abstract classes that are replaced with concrete implementations via dependency injection when Superset initializes. This allows extensions to use the same interfaces as the host application.
**Frontend APIs** (via `@apache-superset/core)`:
The frontend extension APIs in Superset are organized into logical namespaces such as `authentication`, `commands`, `extensions`, `sqlLab`, and others. Each namespace groups related functionality, making it easy for extension authors to discover and use the APIs relevant to their needs. For example, the `sqlLab` namespace provides events and methods specific to SQL Lab, allowing extensions to react to user actions and interact with the SQL Lab environment:
@@ -90,31 +92,38 @@ Backend APIs follow a similar pattern, providing access to Superset's models, se
Extension endpoints are registered under a dedicated `/extensions` namespace to avoid conflicting with built-in endpoints and also because they don't share the same version constraints. By grouping all extension endpoints under `/extensions`, Superset establishes a clear boundary between core and extension functionality, making it easier to manage, document, and secure both types of APIs.
``` python
from superset_core.api import rest_api, models, query
from superset_core.api.models import Database, get_session
from superset_core.api.daos import DatabaseDAO
from superset_core.api.rest_api import add_extension_api
from .api import DatasetReferencesAPI
# Register a new extension REST API
rest_api.add_extension_api(DatasetReferencesAPI)
add_extension_api(DatasetReferencesAPI)
# Access Superset models with simple queries that filter out entities that
# the user doesn't have access to
databases = models.get_databases(id=database_id)
# Fetch Superset entities via the DAO to apply base filters that filter out entities
# that the user doesn't have access to
databases = DatabaseDAO.find_all()
# ..or apply simple filters on top of base filters
databases = DatabaseDAO.filter_by(uuid=database.uuid)
if not databases:
return self.response_404()
raise Exception("Database not found")
database = databases[0]
return databases[0]
# Perform complex queries using SQLAlchemy BaseQuery, also filtering
# out inaccessible entities
session = models.get_session()
db_model = models.get_database_model())
database_query = session.query(db_model.database_name.ilike("%abc%")
databases_containing_abc = models.get_databases(query)
# Perform complex queries using SQLAlchemy Query, also filtering out
# inaccessible entities
session = get_session()
databases_query = session.query(Database).filter(
Database.database_name.ilike("%abc%")
)
return DatabaseDAO.query(databases_query)
# Bypass security model for highly custom use cases
session = models.get_session()
db_model = models.get_database_model())
all_databases_containg_abc = session.query(db_model.database_name.ilike("%abc%").all()
session = get_session()
all_databases_containing_abc = session.query(Database).filter(
Database.database_name.ilike("%abc%")
).all()
```
In the future, we plan to expand the backend APIs to support configuring security models, database engines, SQL Alchemy dialects, etc.

2
docs/developer_portal/extensions/quick-start.md
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@@ -128,7 +128,7 @@ The CLI generated a basic `backend/src/hello_world/entrypoint.py`. We'll create
```python
from flask import Response
from flask_appbuilder.api import expose, protect, safe
from superset_core.api.types.rest_api import RestApi
from superset_core.api.rest_api import RestApi
class HelloWorldAPI(RestApi):