add_template_filter() — flask Function Reference

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

Function python ApplicationCore Scaffolding called by 2

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ApplicationCore→ Scaffolding→ add_template_filter() — flask Function Reference

Dependency Diagram

graph TD
  1b64a668_0df0_1835_ae6f_a2c7930e568c["add_template_filter()"]
  38f6d4a2_834e_2acd_e1b6_f45c58079ccd["App"]
  1b64a668_0df0_1835_ae6f_a2c7930e568c -->|defined in| 38f6d4a2_834e_2acd_e1b6_f45c58079ccd
  7ddcdf61_c8f3_ffb4_05a0_bfacb6ddc361["template_filter()"]
  7ddcdf61_c8f3_ffb4_05a0_bfacb6ddc361 -->|calls| 1b64a668_0df0_1835_ae6f_a2c7930e568c
  0e94cea7_d7a3_238f_715d_5d59f6552fb2["add_app_template_filter()"]
  0e94cea7_d7a3_238f_715d_5d59f6552fb2 -->|calls| 1b64a668_0df0_1835_ae6f_a2c7930e568c
  style 1b64a668_0df0_1835_ae6f_a2c7930e568c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/flask/sansio/app.py lines 696–708

    def add_template_filter(
        self, f: ft.TemplateFilterCallable, name: str | None = None
    ) -> None:
        """Register a function to use as a custom Jinja filter.

        The :meth:`template_filter` decorator can be used to register a function
        by decorating instead.

        :param f: The function to register.
        :param name: The name to register the filter as. If not given, uses the
            function's name.
        """
        self.jinja_env.filters[name or f.__name__] = f