jalengg commented on code in PR #38398:
URL: https://github.com/apache/airflow/pull/38398#discussion_r1550940677
##########
airflow/providers/google/cloud/hooks/gcs.py:
##########
@@ -1006,6 +1006,27 @@ def get_md5hash(self, bucket_name: str, object_name:
str) -> str:
self.log.info("The md5Hash of %s is %s", object_name, blob_md5hash)
return blob_md5hash
+ def get_metadata(self, bucket_name: str, object_name: str) -> dict | None:
+ """
+ Get the metadata of an object in Google Cloud Storage.
+
+ :param bucket_name: Name of the Google Cloud Storage bucket where the
object is.
+ :param object_name: The name of the object containing the desired
metadata
+ :return: The metadata associated with the object
+ """
+ self.log.info("Retrieving the metadata dict of object (%s) in bucket
(%s)", object_name, bucket_name)
+ client = self.get_conn()
+ bucket = client.bucket(bucket_name)
+ blob = bucket.get_blob(blob_name=object_name)
+ if blob is None:
+ raise ValueError("Object (%s) not found in bucket (%s)",
object_name, bucket_name)
+ blob_metadata = blob.metadata
+ if blob_metadata:
+ self.log.info("Retrieved metadata of object (%s) with %s fields",
object_name, len(blob_metadata))
+ else:
+ self.log.info("Metadata of object (%s) is empty or it does not
exist", object_name)
+ return blob_metadata
Review Comment:
It is not returning a blob or an empty blob. This is returning
`blob_metadata` which is defined as `blob.metadata` in [L1023
](https://github.com/apache/airflow/pull/38398/files/d9bee99ce49d28a218fa9b97eba62f05e3332143#diff-82854006b5553665046db26d43a9dfa90bec78d4ba93e2d2ca7ff5bf632fa624R1023)
and is an optional dict object.
The test case for an empty blob is written, I have added it [here, in the
other file on L582](
https://github.com/apache/airflow/pull/38398/files/d9bee99ce49d28a218fa9b97eba62f05e3332143#diff-76fef248bc8b2046dae5e6e1fe60dcb916e4114d85190c563454d2d123937b43R582-R593)
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