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Description:

readchar 4.2.0

python-readchar
Library to easily read single chars and keystrokes.
Born as a python-inquirer requirement.
Installation
simply install it via pip:
pip install readchar

Or download the source code from PyPi.
Usage
Simply read a character or keystroke:
import readchar

key = readchar.readkey()

React to different kinds of key-presses:
from readchar import readkey, key

while True:
k = readkey()
if k == "a":
# do stuff
if k == key.DOWN:
# do stuff
if k == key.ENTER:
break

Documentation
There are just two methods:
readchar.readchar() -> str
Reads one character from stdin, returning it as a string with length 1. Waits until a
character is available.
As only ASCII characters are actually a single character, you usually want to use the
next function, that also handles longer keys.
readchar.readkey() -> str
Reads the next keystroke from stdin, returning it as a string. Waits until a keystroke
is available.
A keystroke can be:

single characters as returned by readchar(). These include:

character for normal keys: a, Z, 9,...
special characters like ENTER, BACKSPACE, TAB,...
combinations with CTRL: CTRL+A,...

keys that are made up of multiple characters:

characters for cursors/arrows: 🡩, 🡪, 🡫,
🡨
navigation keys: INSERT, HOME,...
function keys: F1 to F12
combinations with ALT: ALT+A,...
combinations with CTRL and ALT:
CTRL+ALT+SUPR,...

Note CTRL+C will not be returned by readkey(), but instead
raise a KeyboardInterupt. If you want to handle it yourself, use readchar().

readchar.key module
This submodule contains a list of available keys to compare against. The constants are
defined depending on your operating system, so it should be fully portable. If a key is
listed here for your platform, readkey() can read it, and you can compare against it.
readchar.config class
This static class contains configurations for readchar. It holds constants that are
used in other parts of the code as class attributes. You can override/change these to
modify its behaviour. Here is a description of the existing attributes:

INTERRUPT_KEYS

List of keys that will result in readkey() raising a KeyboardInterrupt.
Default: [key.CTRL_C]

OS Support
This library actively supports these operating systems:

Linux
Windows

Some operating systems are enabled, but not actively tested or supported:

macOS
FreeBSD / OpenBSD

Theoretically every Unix based system should work, but they will not be actively tested.
It is also required that somebody provides initial test results before the OS is enabled
and added to the list. Feel free to open a PR for that.
Thank you!
How to contribute
You have an issue problem or found a bug? You have a great new idea or just want to fix
a typo? Great :+1:. We are happy to accept your issue or pull request, but first, please
read our
contribution guidelines.
They will also tell you how to write code for this repo and how to properly prepare an
issue or a pull request.

Copyright (c) 2014-2022 Miguel Ángel García