altslice : Index different
The altslice package provides a number of Slicer classes which can be used to index and slice sequences using alternative indexing. For example:
from altslice import CategoricalSlicer
months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun']
sales = [100, 200, 250, 300, 333, 400]
slicer = CategoricalSlicer(months)
# sales total from January
sales[slicer['Jan']]
# sales from Febuary until May
sales[slicer['Jan':'May']]Slicers
The following Slicers are provided in the library:
CategoricalSlicer : Index using discrete categories.
UniformSlicer : Index using evenly spaced numbers with a specific interval.
SeqeuenceSlicer : Index using a sorted sequence of numbers.
OneBasedSlicer : One-based indexing.
Install
altslice can be installed using pip:
pip install altsliceTesting
altslice uses pytest for testing. The test suite can be executed using py.test.
One-based indexing
If desired the list container can be adjusted to use one-based indexing:
from altslice import OneBasedSlicer
slicer = OneBasedSlicer()
class list(list):
def __getitem__(self, x):
return super(list, self).__getitem__(slicer[x])This adjustment is not recommended.
1 maintainer
Metadata
1 maintainer
Release files for altslice 0.1.0
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Source distribution (sdist)
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Release files / altslice-0.1.0.tar.gz
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