10000 AttributeError: 'NoneType' object has no attribute 'from_call' · Issue #659 · googleapis/python-api-core · GitHub
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AttributeError: 'NoneType' object has no attribute 'from_call' #659
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AttributeError: 'NoneType' object has no attribute 'from_call'#659
#680
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parthea
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priority: p2Moderately-important priority. Fix may not be included in next release.type: bugError or flaw in code with unintended results or allowing sub-optimal usage patterns.
@parthea

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@parthea
parthea
opened on May 24, 2024

In exceptions.py, if grpcio-status is not installed, rpc_status is set to None

python-api-core/google/api_core/exceptions.py

Lines 31 to 43 in d96eb5c

try:
import grpc
try:
from grpc_status import rpc_status
except ImportError: # pragma: NO COVER
warnings.warn(
"Please install grpcio-status to obtain helpful grpc error messages.",
ImportWarning,
)
rpc_status = None
except ImportError: # pragma: NO COVER
grpc = None

In _parse_grpc_error_details, when rpc_status is None, this leads to AttributeError: 'NoneType' object has no attribute 'from_call'

python-api-core/google/api_core/exceptions.py

Lines 562 to 566 in d96eb5c

def _parse_grpc_error_details(rpc_exc):
try:
status = rpc_status.from_call(rpc_exc)
except NotImplementedError: # workaround
return [], None

We should add a check to make sure rpc_status is not None before calling rpc_status.from_call(rpc_exc)

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priority: p2Moderately-important priority. Fix may not be included in next release.type: bugError or flaw in code with unintended results or allowing sub-optimal usage patterns.

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