Пример #1
0
    def SetMetadataFunc(self, name_expansion_result, thread_state=None):
        """Sets metadata on an object.

    Args:
      name_expansion_result: NameExpansionResult describing target object.
      thread_state: gsutil Cloud API instance to use for the operation.
    """
        gsutil_api = GetCloudApiInstance(self, thread_state=thread_state)

        exp_src_url = name_expansion_result.expanded_storage_url
        self.logger.info('Setting metadata on %s...', exp_src_url)

        cloud_obj_metadata = encoding.JsonToMessage(
            apitools_messages.Object, name_expansion_result.expanded_result)

        preconditions = Preconditions(
            gen_match=self.preconditions.gen_match,
            meta_gen_match=self.preconditions.meta_gen_match)
        if preconditions.gen_match is None:
            preconditions.gen_match = cloud_obj_metadata.generation
        if preconditions.meta_gen_match is None:
            preconditions.meta_gen_match = cloud_obj_metadata.metageneration

        # Patch handles the patch semantics for most metadata, but we need to
        # merge the custom metadata field manually.
        patch_obj_metadata = ObjectMetadataFromHeaders(self.metadata_change)

        api = gsutil_api.GetApiSelector(provider=exp_src_url.scheme)
        # For XML we only want to patch through custom metadata that has
        # changed.  For JSON we need to build the complete set.
        if api == ApiSelector.XML:
            pass
        elif api == ApiSelector.JSON:
            CopyObjectMetadata(patch_obj_metadata,
                               cloud_obj_metadata,
                               override=True)
            patch_obj_metadata = cloud_obj_metadata
            # Patch body does not need the object generation and metageneration.
            patch_obj_metadata.generation = None
            patch_obj_metadata.metageneration = None

        gsutil_api.PatchObjectMetadata(exp_src_url.bucket_name,
                                       exp_src_url.object_name,
                                       patch_obj_metadata,
                                       generation=exp_src_url.generation,
                                       preconditions=preconditions,
                                       provider=exp_src_url.scheme,
                                       fields=['id'])
        PutToQueueWithTimeout(gsutil_api.status_queue,
                              MetadataMessage(message_time=time.time()))
Пример #2
0
    def SetMetadataFunc(self, name_expansion_result, thread_state=None):
        """Sets metadata on an object.

    Args:
      name_expansion_result: NameExpansionResult describing target object.
      thread_state: gsutil Cloud API instance to use for the operation.
    """
        gsutil_api = GetCloudApiInstance(self, thread_state=thread_state)

        exp_src_url = name_expansion_result.expanded_storage_url
        self.logger.info('Setting metadata on %s...', exp_src_url)

        fields = ['generation', 'metadata', 'metageneration']
        cloud_obj_metadata = gsutil_api.GetObjectMetadata(
            exp_src_url.bucket_name,
            exp_src_url.object_name,
            generation=exp_src_url.generation,
            provider=exp_src_url.scheme,
            fields=fields)

        preconditions = Preconditions(
            gen_match=cloud_obj_metadata.generation,
            meta_gen_match=cloud_obj_metadata.metageneration)

        # Patch handles the patch semantics for most metadata, but we need to
        # merge the custom metadata field manually.
        patch_obj_metadata = ObjectMetadataFromHeaders(self.metadata_change)

        api = gsutil_api.GetApiSelector(provider=exp_src_url.scheme)
        # For XML we only want to patch through custom metadata that has
        # changed.  For JSON we need to build the complete set.
        if api == ApiSelector.XML:
            pass
        elif api == ApiSelector.JSON:
            CopyObjectMetadata(patch_obj_metadata,
                               cloud_obj_metadata,
                               override=True)
            patch_obj_metadata = cloud_obj_metadata

        gsutil_api.PatchObjectMetadata(exp_src_url.bucket_name,
                                       exp_src_url.object_name,
                                       patch_obj_metadata,
                                       generation=exp_src_url.generation,
                                       preconditions=preconditions,
                                       provider=exp_src_url.scheme)