views.py 文件源码

def version_put(owner, package_name, package_version):
    # TODO: Write access for collaborators.
    if g.auth.user != owner:
        raise ApiException(
            requests.codes.forbidden,
            "Only the package owner can create versions"
        )

    user_version = package_version
    package_version = normalize_version(package_version)

    data = request.get_json()
    package_hash = data['hash']

    instance = (
        Instance.query
        .filter_by(hash=package_hash)
        .join(Instance.package)
        .filter_by(owner=owner, name=package_name)
        .one_or_none()
    )

    if instance is None:
        raise ApiException(requests.codes.not_found, "Package hash does not exist")

    version = Version(
        package_id=instance.package_id,
        version=package_version,
        user_version=user_version,
        instance=instance
    )

    try:
        db.session.add(version)
        db.session.commit()
    except IntegrityError:
        raise ApiException(requests.codes.conflict, "Version already exists")

    return dict()