Jelle Zijlstra created THRIFT-4002:
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Summary: Thrift exceptions are not hashable in Python 3
Key: THRIFT-4002
URL: https://issues.apache.org/jira/browse/THRIFT-4002
Project: Thrift
Issue Type: Bug
Components: Python - Compiler
Reporter: Jelle Zijlstra
The Thrift-to-Python compiler generates `__eq__` but not `__hash__` for Thrift
exception classes, which makes them not hashable in Python 3. Due to
http://bugs.python.org/issue28603, this can lead the Python standard library to
throw an error while printing tracebacks involving Thrift exceptions.
The attached patch generates `__hash__` for Thrift exceptions. This can
technically be incorrect since Thrift exceptions are mutable (compare
https://issues.apache.org/jira/browse/THRIFT-162), but in practice it seems
unlikely that people would mutate exception instances other than directly after
creating them, and without this patch some Thrift exceptions cannot be
displayed by the standard library.
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