def migrate_settings()

in csp/checks.py [0:0]

• 21 lines of code
• 7 McCabe index (conditional complexity)

def migrate_settings() -> tuple[dict[str, Any], bool]:
    # This function is used to migrate settings from the old format to the new format.
    config: dict[str, Any] = {
        "DIRECTIVES": {},
    }

    REPORT_ONLY = getattr(settings, "CSP_REPORT_ONLY", False)

    _EXCLUDE_URL_PREFIXES = getattr(settings, "CSP_EXCLUDE_URL_PREFIXES", None)
    if _EXCLUDE_URL_PREFIXES is not None:
        config["EXCLUDE_URL_PREFIXES"] = _EXCLUDE_URL_PREFIXES

    _REPORT_PERCENTAGE = getattr(settings, "CSP_REPORT_PERCENTAGE", None)
    if _REPORT_PERCENTAGE is not None:
        config["REPORT_PERCENTAGE"] = _REPORT_PERCENTAGE * 100

    include_nonce_in = getattr(settings, "CSP_INCLUDE_NONCE_IN", [])

    for setting in OUTDATED_SETTINGS:
        if hasattr(settings, setting):
            directive = setting[4:].replace("_", "-").lower()
            value = getattr(settings, setting)
            if value:
                config["DIRECTIVES"][directive] = value
            if directive in include_nonce_in:
                config["DIRECTIVES"][directive].append(NONCE)

    return config, REPORT_ONLY