Building Cli apps in Python
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learning about building cli apps in python

Date: November 11, 2019

Packages
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Click <https://click.palletsprojects.com/en/7.x/>
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### Inputs

Click primarily takes two forms of inputs Options and arguments. I think of options as keyword argument and arguments as regular positional arguments.

#### Option

- typically aliased with a shorthand (’-v’, ‘–verbose’)

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**From the Docs <https://click.palletsprojects.com/en/7.x/options/>

To get the Python argument name, the chosen name is converted to lower case, up to two dashes are removed as the prefix, and other dashes are converted to underscores.

[code]
  @click.command()
  @click.option('-s', '--string-to-echo')
  def echo(string_to_echo):
      click.echo(string_to_echo)

[code]
  @click.command()
  @click.option('-s', '--string-to-echo', 'string')
  def echo(string):
      click.echo(string)

--------

#### Argument

- positional
- required
- no help text supplied by click

Yaspin <https://pypi.org/project/yaspin/>
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Image: Yaspin Gif <https://images.waylonwalker.com/yaspin-demo.gif>

Click Help Colors <https://github.com/click-contrib/click-help-colors>
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Image: Click Help Colors Example <https://raw.githubusercontent.com/r-m-n/click-help-colors/master/examples/1.png> <https://raw.githubusercontent.com/r-m-n/click-help-colors/master/examples/1.png>
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Colorama <https://github.com/tartley/colorama>
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Colorama Example <https://github.com/tartley/colorama/raw/master/screenshots/ubuntu-demo.png>

### Click DidYouMean <https://github.com/click-contrib/click-didyoumean>