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bpo-38293: Allow shallow and deep copying of property objects (GH-16438)#166

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sthagen merged 1 commit into
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Jan 12, 2020
Merged

bpo-38293: Allow shallow and deep copying of property objects (GH-16438)#166
sthagen merged 1 commit into
sthagen:masterfrom
python:master

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@sthagen

@sthagen sthagen commented Jan 12, 2020

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Copying property objects results in a TypeError. Steps to reproduce:

>>> import copy
>>> obj = property()
>>> copy.copy(obj)

This affects both shallow and deep copying.
My idea for a fix is to add property objects to the list of "atomic" objects in the copy module.
These already include types like functions and type objects.

I also added property objects to the unit tests test_copy_atomic and test_deepcopy_atomic. This is my first PR, and it's highly likely I've made some mistake, so please be kind :)

https://bugs.python.org/issue38293

Copying property objects results in a TypeError. Steps to reproduce:

```
>>> import copy
>>> obj = property()
>>> copy.copy(obj)
````

This affects both shallow and deep copying.  
My idea for a fix is to add property objects to the list of "atomic" objects in the copy module.
These already include types like functions and type objects.

I also added property objects to the unit tests test_copy_atomic and test_deepcopy_atomic. This is my first PR, and it's highly likely I've made some mistake, so please be kind :)


https://bugs.python.org/issue38293
@sthagen
sthagen merged commit 948f650 into sthagen:master Jan 12, 2020
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2 participants