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36 lines (28 loc) · 1.14 KB
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# Copyright 2024 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import annotations
import bigframes
from bigframes.operations import base
import bigframes.operations as ops
class BlobAccessor(base.SeriesMethods):
def __init__(self, *args, **kwargs):
if not bigframes.options.experiments.blob:
raise NotImplementedError()
super().__init__(*args, **kwargs)
def metadata(self):
details_json = self._apply_unary_op(ops.obj_fetch_metadata_op).struct.field(
"details"
)
import bigframes.bigquery as bbq
return bbq.json_extract(details_json, "$.gcs_metadata")