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Fix parsing of bookmark objects #364

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Fix parsing of bookmark objects #364

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6e536ba
Fix bookmarks of real resources
ndhansen Jun 18, 2025
e1e77a9
Undo automated formatting
ndhansen Jun 18, 2025
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18 changes: 9 additions & 9 deletions kubernetes_asyncio/watch/watch.py
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Original file line number Diff line number Diff line change
Expand Up @@ -102,15 +102,15 @@ def unmarshal_event(self, data: str, response_type):
reason = "{}: {}".format(obj['reason'], obj['message'])
raise client.exceptions.ApiException(status=obj['code'], reason=reason)

# If possible, compile the JSON response into a Python native response
# type, eg `V1Namespace` or `V1Pod`,`ExtensionsV1beta1Deployment`, ...
if response_type:
js['object'] = self._api_client.deserialize(
response=SimpleNamespace(data=json.dumps(js['raw_object'])),
response_type=response_type
)

if js['type'].lower() != 'bookmark':
# If possible, compile the JSON response into a Python native response
# type, eg `V1Namespace` or `V1Pod`,`ExtensionsV1beta1Deployment`, ...
if response_type:
js['object'] = self._api_client.deserialize(
response=SimpleNamespace(data=json.dumps(js['raw_object'])),
response_type=response_type
)

# decode and save resource_version to continue watching
if hasattr(js['object'], 'metadata'):
self.resource_version = js['object'].metadata.resource_version
Expand All @@ -123,7 +123,7 @@ def unmarshal_event(self, data: str, response_type):
self.resource_version = js['object']['metadata']['resourceVersion']

elif js['type'].lower() == 'bookmark':
self.resource_version = js['object']['metadata']['resourceVersion']
self.resource_version = js['raw_object']['metadata']['resourceVersion']

Comment on lines +126 to 127
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Copilot AI Jun 27, 2025

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For bookmark events, ensure that js['raw_object'] always contains a 'metadata' key with 'resourceVersion' to avoid potential KeyErrors. Consider adding a conditional check if there's any chance that this field might be missing.

Suggested change
self.resource_version = js['raw_object']['metadata']['resourceVersion']
if ('metadata' in js['raw_object'] and
'resourceVersion' in js['raw_object']['metadata']):
self.resource_version = js['raw_object']['metadata']['resourceVersion']
else:
raise Exception(("Malformed JSON response for bookmark event, "
"'metadata' or 'resourceVersion' field is missing. "
"JSON: {}").format(js))

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Please, add some checks for malformed events, similar are for standard events.

return js

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21 changes: 19 additions & 2 deletions kubernetes_asyncio/watch/watch_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -389,6 +389,23 @@ async def test_unmarshal_bookmark_succeeds_and_preserves_resource_version(self):

# make sure the resource version is preserved,
# and the watcher's resource_version is updated
self.assertTrue(isinstance(event['object'], dict))
self.assertEqual("1", event['object']['metadata']['resourceVersion'])
self.assertTrue(isinstance(event['raw_object'], dict))
self.assertEqual("1", event['raw_object']['metadata']['resourceVersion'])
self.assertEqual("1", w.resource_version)

async def test_unmarshal_job_bookmark_succeeds_and_preserves_resource_version(self):
w = Watch()
event = w.unmarshal_event('{"type": "BOOKMARK", "object": {"apiVersion":'
'"batch/v1","kind":"Job","metadata":'
'{"name": "bar", "resourceVersion": "1"},'
'"spec": {"template": {"metadata": '
'{"creationTimestamp":null}, "spec": '
'{"containers":null}}}}}',
'object')
self.assertEqual("BOOKMARK", event['type'])

# make sure the resource version is preserved,
# and the watcher's resource_version is updated
self.assertTrue(isinstance(event['raw_object'], dict))
self.assertEqual("1", event['raw_object']['metadata']['resourceVersion'])
self.assertEqual("1", w.resource_version)