Function add_license_from_file

src/packagedcode/plugin_package.py:313–358

Given a Resource, check if the detected package_data doesn't have license detections and the file has license detections, and if so, populate the package_data license expression and detection fields from the file license.

(resource, codebase)

def add_license_from_file(resource, codebase):
    """
    Given a Resource, check if the detected package_data doesn't have license detections
    and the file has license detections, and if so, populate the package_data license
    expression and detection fields from the file license.
    """
    if TRACE_LICENSE:
        logger_debug(f'packagedcode.plugin_package: add_license_from_file: resource: {resource.path}')

    if not resource.is_file:
        return

    license_detections_file = resource.license_detections

    if TRACE_LICENSE:
        logger_debug(f'add_license_from_file: license_detections_file: {license_detections_file}')
    if not license_detections_file:
        return

    package_data = resource.package_data
    if not package_data:
        return

    for pkg in package_data:
        license_detections_pkg = pkg["license_detections"]
        if TRACE_LICENSE:
            logger_debug(f'add_license_from_file: license_detections_pkg: {license_detections_pkg}')

        if not license_detections_pkg:
            pkg["license_detections"] = license_detections_file.copy()
            for detection in pkg["license_detections"]:
                if "detection_log" in detection:
                    detection["detection_log"].append(DetectionRule.PACKAGE_ADD_FROM_FILE.value)

            license_expression = get_license_expression_from_detection_mappings(
                detections=license_detections_file,
                valid_expression=True
            )
            pkg["declared_license_expression"] = license_expression
            pkg["declared_license_expression_spdx"] = str(build_spdx_license_expression(
                license_expression=license_expression,
                licensing=get_cache().licensing,
            ))

            codebase.save_resource(resource)
            return pkg


def get_installed_packages(root_dir, processes=2, **kwargs):