register_blueprint() — flask Function Reference

Architecture documentation for the register_blueprint() function in blueprints.py from the flask codebase.

Function python ApplicationCore Scaffolding calls 1 called by 1

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ApplicationCore→ Scaffolding→ register_blueprint() — flask Function Reference

Dependency Diagram

graph TD
  fed3f3dd_fb9c_9cc0_fcd6_bb40208b8981["register_blueprint()"]
  0c59fa87_9a90_f011_4207_98ae96479921["Blueprint"]
  fed3f3dd_fb9c_9cc0_fcd6_bb40208b8981 -->|defined in| 0c59fa87_9a90_f011_4207_98ae96479921
  4e097242_324c_5d02_a967_41ca85d1f371["register_blueprint()"]
  4e097242_324c_5d02_a967_41ca85d1f371 -->|calls| fed3f3dd_fb9c_9cc0_fcd6_bb40208b8981
  4e097242_324c_5d02_a967_41ca85d1f371["register_blueprint()"]
  fed3f3dd_fb9c_9cc0_fcd6_bb40208b8981 -->|calls| 4e097242_324c_5d02_a967_41ca85d1f371
  style fed3f3dd_fb9c_9cc0_fcd6_bb40208b8981 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/flask/sansio/blueprints.py lines 256–271

    def register_blueprint(self, blueprint: Blueprint, **options: t.Any) -> None:
        """Register a :class:`~flask.Blueprint` on this blueprint. Keyword
        arguments passed to this method will override the defaults set
        on the blueprint.

        .. versionchanged:: 2.0.1
            The ``name`` option can be used to change the (pre-dotted)
            name the blueprint is registered with. This allows the same
            blueprint to be registered multiple times with unique names
            for ``url_for``.

        .. versionadded:: 2.0
        """
        if blueprint is self:
            raise ValueError("Cannot register a blueprint on itself")
        self._blueprints.append((blueprint, options))