Method from_package_data

src/packagedcode/models.py:1644–1678

Return a Package from a ``package_data`` PackageData object or mapping. Or None.

(cls, package_data, datafile_path=None, package_only=False)

    @classmethod
    def from_package_data(cls, package_data, datafile_path=None, package_only=False):
        """
        Return a Package from a ``package_data`` PackageData object
        or mapping. Or None.
        """
        if isinstance(package_data, PackageData):
            package_data_mapping = package_data.to_dict()
            dsid = package_data.datasource_id
        elif isinstance(package_data, dict):
            # make a copy
            package_data_mapping = dict(package_data.items())
            dsid = package_data['datasource_id']
        elif package_data:
            raise Exception(f'Invalid type: {package_data!r}', package_data)

        package_data_mapping['datasource_ids'] = [dsid]

        if datafile_path:
            package_data_mapping['datafile_paths'] = [datafile_path]
            license_detections = package_data_mapping.get('license_detections', [])
            for detection in license_detections:
                for license_match in detection['matches']:
                    if not license_match['from_file']:
                        license_match['from_file'] = datafile_path

        package = cls.from_dict(package_data_mapping)

        if not package.package_uid:
            package.package_uid = build_package_uid(package.purl)

        if not package_only:
            package.populate_license_fields()
            package.populate_holder_field()

        return package

    @classmethod
    def from_dict(cls, mapping):