Method push

src/flask/ctx.py:251–254

Binds the app context to the current context.

(self)

        self._cv_tokens: list[contextvars.Token[AppContext]] = []

    def push(self) -> None:
        """Binds the app context to the current context."""
        self._cv_tokens.append(_cv_app.set(self))
        appcontext_pushed.send(self.app, _async_wrapper=self.app.ensure_sync)

    def pop(self, exc: BaseException | None = _sentinel) -> None:  # type: ignore
        """Pops the app context."""