[issue39728] Instantiating enum with invalid value results in ValueError twice

2020-09-16 Thread Ethan Furman 


Change by Ethan Furman :


--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue39728] Instantiating enum with invalid value results in ValueError twice

2020-09-16 Thread Ethan Furman 


Ethan Furman  added the comment:


New changeset 5efb1a77e75648012f8b52960c8637fc296a5c6d by Ethan Furman in 
branch '3.8':
[3.8] bpo-39728: Enum: fix duplicate `ValueError` (GH-22277) (GH-22283)
https://github.com/python/cpython/commit/5efb1a77e75648012f8b52960c8637fc296a5c6d


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[issue39728] Instantiating enum with invalid value results in ValueError twice

2020-09-16 Thread Ethan Furman 


Ethan Furman  added the comment:


New changeset a9ba8ba9a71f3cb8d274c354ff67b6206abeb8ac by Ethan Furman in 
branch '3.9':
[3.9] bpo-39728: Enum: fix duplicate `ValueError` (GH-22277) (GH-22282)
https://github.com/python/cpython/commit/a9ba8ba9a71f3cb8d274c354ff67b6206abeb8ac


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[issue39728] Instantiating enum with invalid value results in ValueError twice

2020-09-16 Thread Ethan Furman 


Change by Ethan Furman :


--
pull_requests: +21335
pull_request: https://github.com/python/cpython/pull/22283

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[issue39728] Instantiating enum with invalid value results in ValueError twice

2020-09-16 Thread Ethan Furman 


Change by Ethan Furman :


--
pull_requests: +21334
pull_request: https://github.com/python/cpython/pull/22282

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[issue39728] Instantiating enum with invalid value results in ValueError twice

2020-09-16 Thread Ethan Furman 


Ethan Furman  added the comment:


New changeset c95ad7a91fbd7636f33a098d3b39964ab083bf49 by Ethan Furman in 
branch 'master':
bpo-39728: Enum: fix duplicate `ValueError` (GH-22277)
https://github.com/python/cpython/commit/c95ad7a91fbd7636f33a098d3b39964ab083bf49


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[issue39728] Instantiating enum with invalid value results in ValueError twice

2020-09-16 Thread Ethan Furman 


Change by Ethan Furman :


--
pull_requests: +21330
pull_request: https://github.com/python/cpython/pull/22277

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[issue39728] Instantiating enum with invalid value results in ValueError twice

2020-09-16 Thread Ethan Furman 


Change by Ethan Furman :


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versions: +Python 3.10

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[issue39728] Instantiating enum with invalid value results in ValueError twice

2020-03-14 Thread Ashwin Ramaswami 


Ashwin Ramaswami  added the comment:

Never mind, I was able to reproduce it.

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[issue39728] Instantiating enum with invalid value results in ValueError twice

2020-03-14 Thread Ashwin Ramaswami 


Ashwin Ramaswami  added the comment:

I can't reproduce this on the latest python (3.9) from master. Can you?

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nosy: +epicfaace

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[issue39728] Instantiating enum with invalid value results in ValueError twice

2020-02-24 Thread Andrei Daraschenka 


Change by Andrei Daraschenka :


--
keywords: +patch
nosy: +dorosch
nosy_count: 4.0 -> 5.0
pull_requests: +18007
stage: test needed -> patch review
pull_request: https://github.com/python/cpython/pull/18641

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[issue39728] Instantiating enum with invalid value results in ValueError twice

2020-02-23 Thread Ethan Furman 


Change by Ethan Furman :


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assignee:  -> ethan.furman
stage:  -> test needed

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[issue39728] Instantiating enum with invalid value results in ValueError twice

2020-02-23 Thread Karthikeyan Singaravelan 


Change by Karthikeyan Singaravelan :


--
nosy: +barry, eli.bendersky, ethan.furman

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[issue39728] Instantiating enum with invalid value results in ValueError twice

2020-02-23 Thread Jonas Malaco 


New submission from Jonas Malaco :

Trying to instantiate an enum with an invalid value results in "During handling 
of the above exception, another exception occurred:".


$ cat > test.py << EOF
from enum import Enum

class Color(Enum):
RED = 1
GREEN = 2
BLUE = 3

Color(0)
EOF


$ python --version
Python 3.8.1


$ python test.py
ValueError: 0 is not a valid Color

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "test.py", line 8, in 
Color(0)
  File "/usr/lib/python3.8/enum.py", line 304, in __call__
return cls.__new__(cls, value)
  File "/usr/lib/python3.8/enum.py", line 595, in __new__
raise exc
  File "/usr/lib/python3.8/enum.py", line 579, in __new__
result = cls._missing_(value)
  File "/usr/lib/python3.8/enum.py", line 608, in _missing_
raise ValueError("%r is not a valid %s" % (value, cls.__name__))
ValueError: 0 is not a valid Color


I think this might be related to 019f0a0cb85e ("bpo-34536: raise error for 
invalid _missing_ results (GH-9147)"), but I haven't been able to confirm.

--
components: Library (Lib)
messages: 362496
nosy: jonasmalaco
priority: normal
severity: normal
status: open
title: Instantiating enum with invalid value results in ValueError twice
type: behavior
versions: Python 3.8, Python 3.9

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