Method parse

src/packagedcode/pypi.py:1163–1248

(cls, location, package_only=False)

    @classmethod
    def parse(cls, location, package_only=False):

        with open(location) as f:
            content = f.read()

        data = json.loads(content)
        installed_packages = data.get('installed')
        if not installed_packages:
            return

        main_package_metadata = {}
        dependencies = []

        direct_deps_of_main_package = []

        for package_metadata in installed_packages:
            package_metadata_dep = package_metadata.get('metadata')
            is_requested = package_metadata.get('requested')

            # `direct_url` is only present for root package
            # `requested` is true for root package and direct dependencies only
            if is_requested and 'direct_url' in package_metadata:
                main_package_metadata = package_metadata_dep
                main_package_requires = main_package_metadata.get('requires_dist')
                dependencies_for_main = get_requires_dependencies(
                    requires=main_package_requires,
                )
                direct_deps_of_main_package.extend([
                    get_base_purl(dep.purl)
                    for dep in dependencies_for_main
                ])
                continue

            package_data_dep = cls.get_resolved_package_from_metadata(
                metadata=package_metadata_dep,
                package_only=package_only,
            )
            dep_purl = package_data_dep.purl
            dependency = models.DependentPackage(
                purl=dep_purl,
                extracted_requirement=None,
                scope=None,
                is_runtime=True,
                is_optional=False,
                is_direct=False,
                is_pinned=True,
                resolved_package=package_data_dep.to_dict()
            )
            if is_requested:
                dependency.is_direct = True
            dependencies.append(dependency)

        dependency_mappings = []
        resolved_main_dependencies = []

        # Update is_direct for direct dependencies
        for dep in dependencies:
            base_purl = get_base_purl(dep.purl)