def check_django_csp_lt_4_0()

in csp/checks.py [0:0]

• 12 lines of code
• 3 McCabe index (conditional complexity)

def check_django_csp_lt_4_0(app_configs: Sequence[AppConfig] | None, **kwargs: Any) -> list[Error]:
    check_settings = OUTDATED_SETTINGS + ["CSP_REPORT_ONLY", "CSP_EXCLUDE_URL_PREFIXES", "CSP_REPORT_PERCENTAGE"]
    if any(hasattr(settings, setting) for setting in check_settings):
        # Try to build the new config.
        config, REPORT_ONLY = migrate_settings()
        warning = (
            "You are using django-csp < 4.0 settings. Please update your settings to use the new format.\n"
            "See https://django-csp.readthedocs.io/en/latest/migration-guide.html for more information.\n\n"
            "We have attempted to build the new CSP config for you based on your current settings:\n\n"
            f"CONTENT_SECURITY_POLICY{'_REPORT_ONLY' if REPORT_ONLY else ''} = " + pprint.pformat(config, sort_dicts=True)
        )
        return [Error(warning, id="csp.E001")]

    return []