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Python library to generate sparklines ▁▂▄▅▇█ in your shell based upon relative ordering of data. lehar is a Hindi word which means wave. lehar can be invoked via commandline also.

# Find commits by authors in a git repo
$ git shortlog -s | cut -f1 | lehar
▇▁▁▁▁▁▁▂▃▁▁█▁▁▂▃▅▁▁▁▂▆▁▁▁▂▁▁▁▁▂▇▁▅▆▁▁▁▄▁▁█▁▁▂▁▂▁

Some cool usage

Using homebrew:

$ brew install lehar

Using pip

$ pip install lehar

gi

type : list

>>> import lehar

# Strings
>>> lehar.draw(["0","1","2","3","4"])
'▁▂▄▆█'

# Numbers
>>> lehar.draw([0,1,2,3,4])
'▁▂▄▆█'

# Negatives
>>> lehar.draw([1,3,-34,12,44,81,0])
'▃▃▁▄▆█▃'

# Missing data
>>> lehar.draw([1,3,-34,'',12,44,'',81,0])
'▃▃▁ ▄▆ █▃'

>>> lehar.draw(["0","1","2","3","4"],color="yellow")

>>> lehar.draw([1,3,-34,'',12,44,'',81,0],color="cyan")

$ lehar 1 2 3 4 5

$ lehar -c red 1 2 3 4 5

$ echo "-c cyan 1 2 3 4 5" | lehar

$ lehar < input

lehar supports both Python2 & Python3.

• Setup

  $ git clone https://github.com/darxtrix/lehar
  $ cd lehar
  $ pip install -r requirements.txt
  $ python setup.py develop
  $ lehar

• Tests are located at lehar/tests.py and covergae tests are located at .travis.yml

  $ python tests.py

• While sending a pull request increment the version at VERSION and make sure the travis build passes.

MIT © [Ankush Sharma](http://github.com/darxtrix)