typio 0.8

Typio: Make Your Terminal Type Like a Human

Typio: Make Your Terminal Type Like a Human

Overview

Typio is a lightweight Python library that prints text to the terminal as if it were being typed by a human. It supports multiple typing modes (character, word, line, sentence, typewriter, and adaptive), configurable delays and jitter for natural variation, and seamless integration with existing code via a simple function or a decorator. Typio is designed to be minimal, extensible, and safe, making it ideal for demos, CLIs, tutorials, and storytelling in the terminal.

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Installation

Source Code

• Download Version 0.8 or Latest Source
• pip install .

PyPI

• Check Python Packaging User Guide
• pip install typio==0.8

Usage

Function

Use type_print function to print text with human-like typing effects. You can control the typing speed, randomness, mode, and output stream.

Example

from typio import type_print
from typio import TypeMode

type_print("Hello, world!")

type_print(
    "Typing with style and personality.",
    delay=0.06,
    jitter=0.02,
	end="\n",
    mode=TypeMode.ADAPTIVE,
)

You can also redirect the output to any file-like object:

with open("output.txt", "w") as file:
    type_print("Saved with typing effects.", file=file)

Parameters

Name	Type	Description	Default
text	str	Text to be printed	--
delay	float	Base delay (seconds) between emitted units	0.04
jitter	float	Random delay variation (seconds)	0
end	str	Ending character(s)	\n
mode	TypeMode | Callable	Typing mode (built-in or custom)	TypeMode.CHAR
file	TextIOBase	Output stream	sys.stdout

Built-in Modes

Mode	Description
TypeMode.CHAR	Emit text character by character
TypeMode.WORD	Emit text word by word, preserving whitespace
TypeMode.LINE	Emit text line by line
TypeMode.SENTENCE	Emit text character by character with longer pauses after ., !, ?
TypeMode.TYPEWRITER	Emit text character by character with longer pauses after newlines
TypeMode.ADAPTIVE	Emit text with adaptive delays based on character type (spaces, punctuation, alphanumeric)
TypeMode.ACCELERATE	Emit text character by character with progressively decreasing delay (gradually speeds up over time)
TypeMode.DECELERATE	Emit text character by character with progressively increasing delay (gradually slows down over time)
TypeMode.BURST	Emit text in bursts of characters followed by short pauses
TypeMode.FAT_FINGER	Emit text mimicking human typos and corrections
TypeMode.THOUGHTFUL	Emit text while pause slightly before long words to simulate thinking
TypeMode.HEARTBEAT	Emit text with alternating short and long pauses to simulate a heartbeat-like rhythm
TypeMode.REWIND	Emit text while occasionally deleting and retyping words to simulate reconsideration
TypeMode.GLITCH	Emit text with occasional random glitches that are quickly corrected
TypeMode.RANDOM_CASE	Emit text with randomly varying character casing
TypeMode.WAVE	Emit text with sinusoidal delay variation
TypeMode.STUTTER	Emit text with stuttering effect on some words
TypeMode.NERVOUS	Emit text erratically typing with inconsistent pauses

Decorator

Use the @typestyle decorator to apply typing effects to all print calls inside a function, without changing the function's implementation.

Example

from typio import typestyle
from typio import TypeMode

@typestyle(delay=0.05, mode=TypeMode.TYPEWRITER)
def intro():
    print("Welcome to Typio.")
    print("Every print is typed.")

intro()

Parameters

Name	Type	Description	Default
delay	float	Base delay (seconds) between emitted units	0.04
jitter	float	Random delay variation (seconds)	0
mode	TypeMode | Callable	Typing mode (built-in or custom)	TypeMode.CHAR

Custom Mode

Typio also allows defining custom typing modes.

A custom mode is a callable that receives a typing context and the text being printed.

Example

This custom mode, named dramatic, adds exaggerated pauses after punctuation to create a dramatic typing effect.

from typio import TypioContext

def dramatic(ctx: TypioContext, text: str):
    for ch in text:
        ctx.emit(ch)
        if ch in ".!?":
            ctx.sleep(delay=ctx.delay * 6)

Usage with type_print function:

type_print(
    "Wait... what?!",
    mode=dramatic,
    delay=0.05,
    jitter=0.02,
)

Usage with @typestyle decorator:

@typestyle(delay=0.06, mode=dramatic)
def demo():
    print("This is serious.")
    print("Very serious!")

demo()

Parameters

This table describes the TypioContext API, which is the interface exposed to custom typing modes for emitting text, controlling timing, and accessing delay settings.

Name	Type	Description
emit(text)	method	Emit a text fragment using typing effects
sleep(delay=None, jitter=None)	method	Pause execution with optional delay and jitter override
flush()	method	Flush the underlying output stream
delay	property	Base delay in seconds
jitter	property	Jitter value in seconds

CLI

Typio provides a simple command line interface for printing text with typing effects.

Example

> typio --text="Hello world!" --mode=typewriter --delay=0.03

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

Unreleased

0.8 - 2026-04-20

Added

• RANDOM_CASE mode
• WAVE mode
• STUTTER mode
• NERVOUS mode

Changed

• Test system modified
• README.md updated

0.7 - 2026-04-09

Added

• HEARTBEAT mode
• REWIND mode
• GLITCH mode

Changed

• Test system modified
• README.md updated

0.6 - 2026-03-27

Added

• THOUGHTFUL mode
• FAT_FINGER mode
• BURST mode

0.5 - 2026-03-09

Added

• ACCELERATE mode
• DECELERATE mode
• Screen record video

Changed

• CLI messages updated
• CLI modified
• Test system modified

0.4 - 2026-02-19

Added

• Command line interface

Changed

• _emit method modified
• README.md updated
• Test system modified

0.3 - 2026-02-11

Added

• TypioContext class

Changed

• Test system modified
• README.md updated
• _TypioPrinter class all attributes changed to private
• _emit method modified
• _sleep function modified

0.2 - 2026-02-04

Changed

• README.md updated
• end parameter added to type_print function
• Test system modified

0.1 - 2026-01-31

Added

• type_print function
• typestyle decorator
• CHAR mode
• WORD mode
• LINE mode
• SENTENCE mode
• TYPEWRITER mode
• ADAPTIVE mode