do_teardown_appcontext() — flask Function Reference

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

Function python ApplicationCore AppLifeCycle calls 1 called by 1

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ApplicationCore→ AppLifeCycle→ do_teardown_appcontext() — flask Function Reference

Dependency Diagram

graph TD
  8cfcdfb0_4dd6_88ca_6e35_c201392db60e["do_teardown_appcontext()"]
  9f8cc56e_d5c4_e7a8_438a_3124c0dd5de5["Flask"]
  8cfcdfb0_4dd6_88ca_6e35_c201392db60e -->|defined in| 9f8cc56e_d5c4_e7a8_438a_3124c0dd5de5
  c03b3eb7_5e70_0ee6_2d39_454cca5a0f61["pop()"]
  c03b3eb7_5e70_0ee6_2d39_454cca5a0f61 -->|calls| 8cfcdfb0_4dd6_88ca_6e35_c201392db60e
  a89c0022_4807_bf16_9be1_6a66f3c78c9f["ensure_sync()"]
  8cfcdfb0_4dd6_88ca_6e35_c201392db60e -->|calls| a89c0022_4807_bf16_9be1_6a66f3c78c9f
  style 8cfcdfb0_4dd6_88ca_6e35_c201392db60e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/flask/app.py lines 1443–1460

    def do_teardown_appcontext(
        self, ctx: AppContext, exc: BaseException | None = None
    ) -> None:
        """Called right before the application context is popped. Called by
        :meth:`.AppContext.pop`.

        This calls all functions decorated with :meth:`teardown_appcontext`.
        Then the :data:`appcontext_tearing_down` signal is sent.

        :param exc: An unhandled exception raised while the context was active.
            Passed to each teardown function.

        .. versionadded:: 0.9
        """
        for func in reversed(self.teardown_appcontext_funcs):
            self.ensure_sync(func)(exc)

        appcontext_tearing_down.send(self, _async_wrapper=self.ensure_sync, exc=exc)