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Toolkit for writing Command-Line Interface applications and a Text User Interface framework for Python.

Project description

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Forever Scalable

Quo is a toolkit for writing Command-Line Interface(CLI) applications and a TUI (Text User Interface) framework for Python.

Quo is making headway towards composing speedy and orderly CLI and TUI applications while forestalling any disappointments brought about by the failure to execute a python application. Simple to code, easy to learn, and does not come with needless baggage.

Compatibility

Quo works flawlessly with Linux, OSX, and Windows. Quo requires Python 3.8 or later.

Features

  • Support for Ansi, RGB and Hex color models
  • Support for tabular presentation of data
  • Intuitive progressbars
  • Code completions
  • Nesting of commands
  • Customizable Text User Interface (TUI) dialogs.
  • Automatic help page generation
  • Syntax highlighting
  • Autosuggestions
  • Key Binders

Getting Started

Installation

You can install quo via the Python Package Index (PyPI)

pip install -U quo

In order to check your installation you can use

python -m pip show quo

Run the following to test Quo output on your terminal:

python -m quo

test

:bulb: press Ctrl-c to exit

Quo Library

Quo contains a number of builtin features you c an use to create elegant output in your CLI.

Quo echo

To output formatted text to your terminal you can import the echo method. Try this:

Example 1

 from quo import echo

 echo("Hello, World!", fg="red", italic=True, bold=True)

Example 2

 from quo import echo

 echo("Blue on white", fg="blue", bg="white")
 

Alternatively, you can import print

Example 1

 from quo import print

 print('<b>This is bold</b>')
 print('<i>This is italic</i>')

Example 2

 from quo import print

 print('<u>This is underlined</u>')
 

Example 3

 from quo import print

 print("Quo is <style bg='red'>Scalable</style>") 

Example 4

 # Colors from the ANSI palette.
 print('<red>This is red</red>')
 print('<style fg="white" bg="green">White on green</stlye>')

Quo prompt

  • Using quo.prompt method.
 from quo import prompt

 prompt("What is your name?")

  • Using quo.prompt.Prompt object

Example 1

 from quo.prompt import Prompt
   
 session = Prompt()
 session.prompt("Type something:") 

Example 2 Colored Prompt

 from quo.prompt import Prompt
   
 session = Prompt()
 session.prompt("<red>Type something: </red>") 

Example 3 Example upgrade

  from quo.prompt import Prompt

  session = Prompt(fg="blue") #The input will be colored blue

  session.prompt("<red>john</red><white>@</white><green>localhost</green><red>:</red><cyan><u>/user/john</u></cyan><purple>$ </purple>")

styled

Example 4 Bottom toolbar

from quo.prompt import Prompt

session = Prompt()

session.prompt('> ', bottom_toolbar="<i>This is a</i><b><style bg='red'> Toolbar</style></b>")

Bottom toolbar

Example 5

Here's an example of a multiline bottom toolbar.

from quo.prompt import Prompt

session = Prompt()

session.prompt("Say something: ", bottom_toolbar="This is\na multiline toolbar")

Bottom toolbar

Example 6

Placeholder text

A placeholder text that's displayed as long as no input s given.

:bulb: This won't be returned as part of the output.

  from quo.prompt import Prompt
  from quo.text import Text

  session = Prompt(placeholder=Text('<gray>(please type something)</gray>'))
  session.prompt("What is your name?: ")

Example 7

Coloring the prompt.

from quo.prompt import Prompt

session = Prompt(fg="red")
session.prompt("Type something: ")

Example 8

Autocomplete text

Press [Tab] to autocomplete

 from quo.prompt import Prompt
 from quo.completion import WordCompleter
 example = WordCompleter(['USA', 'UK', 'Canada', 'Kenya'])
 session = Prompt(completer=example)
 session.prompt('Which country are you from?: ')

Autocompletion

Example 9

Autosuggest text

Auto suggestion is a way to propose some input completions to the user. Usually, the input is compared to the history and when there is another entry starting with the given text, the completion will be shown as gray text behind the current input. Pressing the right arrow → or ctrl-e will insert this suggestion, alt-f will insert the first word of the suggestion.

 from quo.history import MemoryHistory
 from quo.prompt import Prompt

 MemoryHistory.append("import os")
 MemoryHistory.append('print("hello")') 
 MemoryHistory.append('print("world")')  
 MemoryHistory.append("import path")

 session = Prompt(history=MemoryHistory, suggest="history")

 while True:
    session.prompt('> ')

Read more on Prompt

Quo Bar

Draw a horizontal bar with an optional title, which is a good way of dividing your terminal output in to sections.

 from quo.bar import Bar

 bar = Bar("I am a bar")
 bar.draw()

  • Styled bar
 from quo.bar import Bar

 bar = Bar("I am a styled bar")
 bar.draw(fg="blue", bg="yellow")

  • Right aligned
 from quo.bar import Bar
   
 bar = Bar("I am right aligned")
 bar.draw(align="right")

Quo Console

For more control over quo terminal content, import and construct a Console object.

Launching Applications

Quo supports launching applications through Console.launch

Example 1

 from quo.console import Console

 console = Console()
 console.launch("https://quo.rtfd.io/")

Example 2

 from quo.console import Console

 console = Console()
 console.launch("/home/path/README.md", locate=True)

Spin🔁

Quo can create a context manager that is used to display a spinner on stdout as long as the context has not exited

 import time
 from quo.console import Console

 console = Console()

 with console.spin():
           time.sleep(3)
           print("Hello, World")

Read more on Console

Quo Dialogs

High level API for displaying dialog boxes to the user for informational purposes, or to get input from the user.

Example 1

Message Box dialog

 from quo.dialog import MessageBox

 MessageBox(
    title='Message window',
    text='Do you want to continue?\nPress ENTER to quit.')

Message Box

Example 2

  • Input dialog
 from quo.dialog import InputBox

 InputBox(
     title='PromptBox Shenanigans',
     text='What Country are you from?:')

Input Box

  • Multiline Input dialog
 from quo.dialog import InputBox

 InputBox(
     title='PromptBox Shenanigans',
     text='What Country are you from?:',
     multiline=True)

Input Box

  • Password Input dialog
 from quo.dialog import InputBox

 InputBox(
     title='PromptBox Shenanigans',
     text='What Country are you from?:',
     hide=True)

Input Box

  • Radiolist
 from quo.dialog import RadiolistBox

 RadiolistBox(
     title="RadioList dialog example",
     text="Which breakfast would you like ?",
     values=[
         ("breakfast1", "Eggs and beacon"),
         ("breakfast2", "French breakfast"),
         ("breakfast3", "Equestrian breakfast")
     ])

Radiolist

Read more on Dialogs

Quo Key Binding🔐

A key binding is an association between a physical key on akeyboard and a parameter.

 from quo import echo
 from quo.keys import bind
 from quo.prompt import Prompt

 session = Prompt()

 # Print "Hello world" when ctrl-h is pressed
 @bind.add("ctrl-h")
 def _(event):
      echo("Hello, World!")

 session.prompt("")

Read more on Key bindings

Quo Parser

You can parse optional and positional arguments with Quo and generate help pages for your command-line tools.

 from quo.parse import Parser
 
 parser = Parser(description= "This script prints hello NAME COUNT times.")

 parser.argument('--count', default=3, type=int, help='number of greetings')
 parser.argument('name', help="The person to greet")
 
 arg = parser.parse()
 
 for x in range(arg.count):
     print(f"Hello {arg.name}!")
   $ python prog.py John --count 4
   

And what it looks like:

Here's what the help page looks like:

 $ python prog.py --help

Read more on Parser

Quo ProgressBar

Creating a new progress bar can be done by calling the class ProgressBar The progress can be displayed for any iterable. This works by wrapping the iterable (like range) with the class ProgressBar

 import time
 from quo.progress import ProgressBar
  
 with ProgressBar() as pb:
               for i in pb(range(800)):
                             time.sleep(.01)

ProgressBar

Read more on Progress

Quo Rule

Used for drawing a horizontal line.

Example 1

 from quo.rule import Rule

 rule = Rule()
 rule.draw()

Example 2

  • A styled line.
 from quo.rule import Rule

 rule = Rule()
 rule.draw(color="purple")

Example 3

  • A multicolored line.
 from quo.rule import Rule

 rule = Rule()
 rule.draw(multicolored=True)

Quo Tables

This offers a number of configuration options to set the look and feel of the table, including how borders are rendered and the style and alignment of the columns.

Example 1

 from quo.table import Table
 
 data = [
    ["Name", "Gender", "Age"],
    ["Alice", "F", 24],
    ["Bob", "M", 19],
    ["Dave", "M", 24]
    ]

 table = Table(data)
 table.print()

tabulate

Example 2

Right aligned table

 from quo.table import Table

 data = [
    ["Name", "Gender", "Age"],
    ["Alice", "F", 24],
    ["Bob", "M", 19],
    ["Dave", "M", 24]
    ]

 table = Table(data)
 table.print(align="right")

tabulate

Example 3

Colored table

 from quo.table import Table

 data = [
    ["Name", "Gender", "Age"],
    ["Alice", "F", 24],
    ["Bob", "M", 19],
    ["Dave", "M", 24]
    ]
    
 table = Table(data)
 table.print(fg="green")

tabulate

Example 4

Column width

In situations where fields are expected to reasonably be too long to look good as a single line, parameter column_width can help automate word wrapping long fields.

 from quo.table import Table

 data = [
       [1, 'John Smith', 'This is a rather long description that might look better if it is wrapped a bit']
       ]

 table = Table(data)
 table.print(headers=("Issue Id", "Author", "Description"), column_width=[None, None, 30])

tabulate

Example 5

Grid table

from quo.table import Table

data = [
    ["Name", "Gender", "Age"],
    ["Alice", "F", 24],
    ["Bob", "M", 19],
    ["Dave", "M", 24]
   ]

table = Table(data)
table.print(theme="grid")

tabulate

Read more on Table

Quo Widgets

A collection of reusable components for building full screen applications.

Frame

Used draw a border around any container, optionally with a title.

Read more on Frame

Label

Widget that displays text.

Read more on Label

Box + Label

 from quo import container
 from quo.box import Box
 from quo.label import Label

 content = Label("<style fg='red' bg='yellow'>Hello, World!</style>"),

 container(content)

Box

Read more on Widgets

For more intricate examples, have a look in the examples directory and the documentation.

Donate🎁

In order to for us to maintain this project and grow our community of contributors. Donate

Quo is...

Simple If you know Python you can easily use quo and it can integrate with just about anything.

Getting Help

Community

For discussions about the usage, development, and the future of quo, please join our Google community

Resources

Bug tracker

If you have any suggestions, bug reports, or annoyances please report them to our issue tracker at Bug tracker or send an email to:

📥 scalabli@googlegroups.com | scalabli@proton.me

Blogs💻

→ How to build CLIs using quo

License📑

License: MIT
This software is licensed under the MIT License. See the License file in the top distribution directory for the full license text.

Code of Conduct

Code of Conduct is adapted from the Contributor Covenant, version 1.2.0 available at Code of Conduct

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