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Created on 2012-07-23 16:26 by ced, last changed 2022-04-11 14:57 by admin. This issue is now closed.
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| File name | Uploaded | Description | Edit | |
| test.py | ced, 2012-07-23 16:26 | test.py | ||
| Messages (5) | |||
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| msg166234 - (view) | Author: Cédric Krier (ced) * | Date: 2012-07-23 16:26 | |
When a AttributeError is raised inside the get function of a property and if the class has a __getattr__ method defined then this method is called. It is strange behavior because when looking at the traceback it looks like Python doesn't find the property. |
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| msg166241 - (view) | Author: R. David Murray (r.david.murray) *  |
Date: 2012-07-23 17:51 | |
AttributeError is how Python decides that __getattr__ should be called. I believe this is working as designed. |
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| msg166268 - (view) | Author: Cédric Krier (ced) * | Date: 2012-07-24 09:45 | |
The problem is that the code of the property could raise an AttributeError. So this error is not showed by the traceback. |
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| msg166269 - (view) | Author: Nick Coghlan (ncoghlan) * |
Date: 2012-07-24 10:04 | |
Yup. It's unfortunate, but there's really nothing we can do about it - some protocols use exceptions, and if you raise an exception type that is part of the defined protocol as the result of a genuine error, then you're going to have a fun debugging exercise to deal with. You'll often see a similar misdiagnosis with TypeError in conversion functions that try several different conversion techniques. |
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| msg182302 - (view) | Author: Yariv (Yariv) | Date: 2013-02-18 07:52 | |
Duplicate of http://bugs.python.org/issue1615 , which is open. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:57:33 | admin | set | github: 59640 |
| 2013-02-18 07:52:37 | Yariv | set | nosy:
+ Yariv messages: + msg182302 |
| 2012-07-24 10:05:00 | ncoghlan | set | status: open -> closed nosy: + ncoghlan messages: + msg166269 resolution: wont fix |
| 2012-07-24 09:45:18 | ced | set | messages: + msg166268 |
| 2012-07-23 17:51:43 | r.david.murray | set | nosy:
+ r.david.murray messages: + msg166241 |
| 2012-07-23 16:26:52 | ced | create | |