glance.py 文件源码

def image_create(request, **kwargs):
    """Create image.

    :param kwargs:
        * copy_from: URL from which Glance server should immediately copy
            the data and store it in its configured image store.
        * data: Form data posted from client.
        * location: URL where the data for this image already resides.

    In the case of 'copy_from' and 'location', the Glance server
    will give us a immediate response from create and handle the data
    asynchronously.

    In the case of 'data' the process of uploading the data may take
    some time and is handed off to a separate thread.
    """
    data = kwargs.pop('data', None)

    image = glanceclient(request).images.create(**kwargs)

    if data:
        if isinstance(data, TemporaryUploadedFile):
            # Hack to fool Django, so we can keep file open in the new thread.
            data.file.close_called = True
        if isinstance(data, InMemoryUploadedFile):
            # Clone a new file for InMemeoryUploadedFile.
            # Because the old one will be closed by Django.
            data = SimpleUploadedFile(data.name,
                                      data.read(),
                                      data.content_type)
        thread.start_new_thread(image_update,
                                (request, image.id),
                                {'data': data,
                                 'purge_props': False})

    return image