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#!/usr/bin/env python
"""A sample application for cmd2. Demonstrating colors available in the cmd2.colors.Color enum.
Execute the taste_the_rainbow command to see the colors available.
"""
import argparse
from rich.style import Style
from rich.text import Text
import cmd2
from cmd2 import Color
class CmdLineApp(cmd2.Cmd):
"""Example cmd2 application demonstrating colorized output."""
def __init__(self) -> None:
# Set include_ipy to True to enable the "ipy" command which runs an interactive IPython shell
super().__init__(include_ipy=True)
self.intro = 'Run the taste_the_rainbow command to see all of the colors available to you in cmd2.'
rainbow_parser = cmd2.Cmd2ArgumentParser()
rainbow_parser.add_argument('-b', '--background', action='store_true', help='show background colors as well')
rainbow_parser.add_argument('-p', '--paged', action='store_true', help='display output using a pager')
@cmd2.with_argparser(rainbow_parser)
def do_taste_the_rainbow(self, args: argparse.Namespace) -> None:
"""Show all of the colors available within cmd2's Color StrEnum class."""
def create_style(color: Color) -> Style:
"""Create a foreground or background color Style."""
if args.background:
return Style(bgcolor=color)
return Style(color=color)
styled_names = [Text(color.name, style=create_style(color)) for color in Color]
output = Text("\n").join(styled_names)
if args.paged:
self.ppaged(output)
else:
self.poutput(output)
if __name__ == '__main__':
import sys
c = CmdLineApp()
sys.exit(c.cmdloop())
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