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Project Description

renumerate

Reverse enumerate.

Overview

renumerate (sequence, start=len(sequence)-1, end=0):

Return an enumerate object.
sequence must be an object that has a __reversed__() method or supports the
sequence protocol (the __len__() method and the __getitem__() method with
integer arguments starting at 0).
The __next__() method of the iterator returned by renumerate() returns a tuple
containing a count (from start which defaults to len(sequence) - 1 or ends at
end which defaults to 0 - but not both) and the values obtained from reverse
iterating over sequence.
>>> from renumerate import renumerate
>>> seasons = ['Spring', 'Summer', 'Fall', 'Winter']
>>> list(renumerate(seasons))
[(3, 'Winter'), (2, 'Fall'), (1, 'Summer'), (0, 'Spring')]
>>> list(renumerate(seasons, start=4))
[(4, 'Winter'), (3, 'Fall'), (2, 'Summer'), (1, 'Spring')]
>>> list(renumerate(seasons, end=2))
[(5, 'Winter'), (4, 'Fall'), (3, 'Summer'), (2, 'Spring')]

Equivalent to:

def renumerate(sequence, start=None, end=None):
    if start is not None and end is not None:
        raise TypeError("renumerate() only accepts start argument or end argument"
                        " - not both.")
    if start is None: start = len(sequence) - 1
    if end   is None: end   = 0
    n = start + end
    for elem in sequence:
        yield n, elem
        n -= 1

Installation

$ pip install --upgrade renumerate

Prerequisites:

License

Authors

Changelog

0.3.3 (2016-09-25)

  • Fix bug in setup.py

0.3.1 (2016-09-25)

  • More PEP8 compliant

0.2.2 (2016-09-24)

  • Description suplement
  • Minor fixes.

0.1.1 (2016-09-24)

  • First beta release.

0.0.2 (2016-09-23)

  • Initial release.
Release History

Release History

0.3.3

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
renumerate-0.3.3.zip (8.8 kB) Copy SHA256 Checksum SHA256 Source Sep 26, 2016

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