postgres.py 文件源码

def get_analysis_count(self, ecosystem, package, version):
        """Get count of previously scheduled analysis for given EPV triplet.

        :param ecosystem: str, Ecosystem name
        :param package: str, Package name
        :param version: str, Package version
        :return: analysis count
        """
        if ecosystem == 'maven':
            package = MavenCoordinates.normalize_str(package)

        try:
            count = PostgresBase.session.query(Analysis).\
                                         join(Version).join(Package).join(Ecosystem).\
                                         filter(Ecosystem.name == ecosystem).\
                                         filter(Package.name == package).\
                                         filter(Version.identifier == version).\
                                         count()
        except SQLAlchemyError:
            PostgresBase.session.rollback()
            raise

        return count