app_context() — flask Function Reference

Architecture documentation for the app_context() function in app.py from the flask codebase.

Function python ApplicationCore AppLifeCycle called by 2

Entity Profile

ApplicationCore→ AppLifeCycle→ app_context() — flask Function Reference

Dependency Diagram

graph TD
  92f86b9d_3382_d2d4_7d8f_03f683ac426b["app_context()"]
  9f8cc56e_d5c4_e7a8_438a_3124c0dd5de5["Flask"]
  92f86b9d_3382_d2d4_7d8f_03f683ac426b -->|defined in| 9f8cc56e_d5c4_e7a8_438a_3124c0dd5de5
  7a19d77a_86f4_0e30_0626_5cb2e17c7eae["with_appcontext()"]
  7a19d77a_86f4_0e30_0626_5cb2e17c7eae -->|calls| 92f86b9d_3382_d2d4_7d8f_03f683ac426b
  596bd738_9f64_52c9_9cdc_d6c4ce8f6278["get_command()"]
  596bd738_9f64_52c9_9cdc_d6c4ce8f6278 -->|calls| 92f86b9d_3382_d2d4_7d8f_03f683ac426b
  style 92f86b9d_3382_d2d4_7d8f_03f683ac426b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/flask/app.py lines 1462–1480

    def app_context(self) -> AppContext:
        """Create an :class:`.AppContext`. When the context is pushed,
        :data:`.current_app` and :data:`.g` become available.

        A context is automatically pushed when handling each request, and when
        running any ``flask`` CLI command. Use this as a ``with`` block to
        manually push a context outside of those situations, such as during
        setup or testing.

        .. code-block:: python

            with app.app_context():
                init_db()

        See :doc:`/appcontext`.

        .. versionadded:: 0.9
        """
        return AppContext(self)