app_url_value_preprocessor() — flask Function Reference

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

Function python ApplicationCore Scaffolding calls 1

Entity Profile

ApplicationCore→ Scaffolding→ app_url_value_preprocessor() — flask Function Reference

Dependency Diagram

graph TD
  107cfe1a_9519_57b7_14d9_15efcf8111bb["app_url_value_preprocessor()"]
  0c59fa87_9a90_f011_4207_98ae96479921["Blueprint"]
  107cfe1a_9519_57b7_14d9_15efcf8111bb -->|defined in| 0c59fa87_9a90_f011_4207_98ae96479921
  0085606d_b5d3_d0dc_0155_6135d079c059["record_once()"]
  107cfe1a_9519_57b7_14d9_15efcf8111bb -->|calls| 0085606d_b5d3_d0dc_0155_6135d079c059
  style 107cfe1a_9519_57b7_14d9_15efcf8111bb fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/flask/sansio/blueprints.py lines 673–682

    def app_url_value_preprocessor(
        self, f: T_url_value_preprocessor
    ) -> T_url_value_preprocessor:
        """Like :meth:`url_value_preprocessor`, but for every request, not only those
        handled by the blueprint. Equivalent to :meth:`.Flask.url_value_preprocessor`.
        """
        self.record_once(
            lambda s: s.app.url_value_preprocessors.setdefault(None, []).append(f)
        )
        return f