def patch_revision(self, request):
"""Patch the metadata of particular object revision or raise.
:param request:flask.Request
:return: the object revision.
:rtype:GcsObjectRevision
:raises:ErrorResponse if the request contains an invalid generation
number.
"""
generation = request.args.get("generation")
if generation is None:
version = self.get_latest()
else:
version = self.revisions.get(generation)
if version is None:
raise error_response.ErrorResponse(
"Precondition Failed: generation %s not found" % generation
)
patch = GcsObject._remove_non_writable_keys(json.loads(request.data))
patched = testbench_utils.json_api_patch(
version.metadata, patch, recurse_on={"metadata"}
)
patched["metageneration"] = str(int(patched.get("metageneration", "0")) + 1)
version.metadata = patched
return version
def apply_patch(self, patch):
"""Update from a metadata dictionary.
:param patch:dict a dictionary with metadata changes.
"""
patch = GcsBucket._remove_non_writable_keys(patch)
retention_policy = patch.get('retentionPolicy')
if retention_policy:
# Ignore any values set for 'isLocked' or 'effectiveTime'.
retention_policy.pop('isLocked', None)
now = time.gmtime(time.time())
timestamp = time.strftime('%Y-%m-%dT%H:%M:%SZ', now)
retention_policy['effectiveTime'] = timestamp
patch['retentionPolicy'] = retention_policy
patched = testbench_utils.json_api_patch(self.metadata, patch, recurse_on={'labels'})
self.metadata = patched
self.increase_metageneration()
def apply_patch(self, patch):
"""Update from a metadata dictionary.
:param patch:dict a dictionary with metadata changes.
"""
patch = GcsBucket._remove_non_writable_keys(patch)
retention_policy = patch.get("retentionPolicy")
if retention_policy:
# Ignore any values set for 'isLocked' or 'effectiveTime'.
retention_policy.pop("isLocked", None)
now = time.gmtime(time.time())
timestamp = time.strftime("%Y-%m-%dT%H:%M:%SZ", now)
retention_policy["effectiveTime"] = timestamp
patch["retentionPolicy"] = retention_policy
self._adjust_field_patch(self.metadata, "uniformBucketLevelAccess")
self._adjust_field_patch(self.metadata, "bucketPolicyOnly")
patched = testbench_utils.json_api_patch(self.metadata,
patch,
recurse_on={"labels"})
self.metadata = patched
self.increase_metageneration()
