safesort: safely sort heterogeneous collections on Python 2 and 3
safesort does what it says on the box: guarantees safe sorting of arbitrary heterogeneous lists across Python 2 and Python 3:
>>> list(sorted(["a", 1, None])) Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: unorderable types: int() < str() >>> list(safesort(["a", 1, None)) [None, 1, 'a']
Three ordering keys are attempted for each comparison:
Object: objA > objB
Type-and-object: (type(objA).__mro__, objA) > (type(objB).__mro__, objB)
Type-and-identity: (type(objA).__mro__, id(objA)) > (type(objB).__mro__, id(objB))
This guarantees a total ordering which is:
As consistent as possible
Broadly sensible: objects with similar types will be grouped together
For example:
>>> from safesort import safesort
>>> input = ['a', set([]), [], {}, 1, None]
>>> list(safesort(input))
[None, 1, {}, [], set([]), 'a']
Installation
safesort can be installed with Python 2 or Python 3 using pip or easy_install:
$ pip install safesort - OR - $ easy_install safesort
1 maintainer
Release files for safesort 0.2.0
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| safesort-0.2.0.tar.gz | 2.5 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| safesort-0.2.0-py2.py3-none-any.whl | Python 2, Python 3 | none | any | Details |
Total release size: 6.6 kB
Release files / safesort-0.2.0.tar.gz
| Download URL | safesort-0.2.0.tar.gz |
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| Size | 2.5 kB |
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Release files / safesort-0.2.0-py2.py3-none-any.whl
| Download URL | safesort-0.2.0-py2.py3-none-any.whl |
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| Size | 4.1 kB |
| Tags | Python 2 Python 3 |
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