views.py 文件源码

def _get_package(auth, owner, package_name):
    """
    Helper for looking up a package and checking permissions.
    Only useful for *_list functions; all others should use more efficient queries.
    """
    package = (
        Package.query
        .filter_by(owner=owner, name=package_name)
        .join(Package.access)
        .filter(Access.user.in_([auth.user, PUBLIC]))
        .one_or_none()
    )
    if package is None:
        raise PackageNotFoundException(owner, package_name, auth.user is not PUBLIC)
    return package