loads() — flask Function Reference

Architecture documentation for the loads() function in __init__.py from the flask codebase.

Function python DataHandling JsonProvider calls 1 called by 1

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DataHandling→ JsonProvider→ loads() — flask Function Reference

Dependency Diagram

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  9f175f92_04cc_1b7c_fbf0_a4e8f8a10306["loads()"]
  a2a0fafc_2ea9_1b29_60c7_bc4419008a44["__init__.py"]
  9f175f92_04cc_1b7c_fbf0_a4e8f8a10306 -->|defined in| a2a0fafc_2ea9_1b29_60c7_bc4419008a44
  e5ada208_dbe0_c092_5c6e_6d8eff3adee0["from_prefixed_env()"]
  e5ada208_dbe0_c092_5c6e_6d8eff3adee0 -->|calls| 9f175f92_04cc_1b7c_fbf0_a4e8f8a10306
  8b885d9c_52b6_0466_0055_5ab6516c615c["loads()"]
  9f175f92_04cc_1b7c_fbf0_a4e8f8a10306 -->|calls| 8b885d9c_52b6_0466_0055_5ab6516c615c
  style 9f175f92_04cc_1b7c_fbf0_a4e8f8a10306 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

src/flask/json/__init__.py lines 77–105

def loads(s: str | bytes, **kwargs: t.Any) -> t.Any:
    """Deserialize data as JSON.

    If :data:`~flask.current_app` is available, it will use its
    :meth:`app.json.loads() <flask.json.provider.JSONProvider.loads>`
    method, otherwise it will use :func:`json.loads`.

    :param s: Text or UTF-8 bytes.
    :param kwargs: Arguments passed to the ``loads`` implementation.

    .. versionchanged:: 2.3
        The ``app`` parameter was removed.

    .. versionchanged:: 2.2
        Calls ``current_app.json.loads``, allowing an app to override
        the behavior.

    .. versionchanged:: 2.0
        ``encoding`` will be removed in Flask 2.1. The data must be a
        string or UTF-8 bytes.

    .. versionchanged:: 1.0.3
        ``app`` can be passed directly, rather than requiring an app
        context for configuration.
    """
    if current_app:
        return current_app.json.loads(s, **kwargs)

    return _json.loads(s, **kwargs)