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Description:

image2ascii 0.6.2

Image2ASCII
Converts images to ASCII, with a twist; it traces edges in the image and attempts to render them with suitably formed characters, à la good old handmade ASCII art:

It can also crop, output ANSI colour, adjust contrast/colour balance/brightness, invert, and other nice stuff, as well as render HTML.
Installation
From PyPI
# Minimal install:
pip install image2ascii
# Install with WSGI capabilities (see below):
pip install image2ascii[www]

From source
# You do use virtual envs, right?
python3 -m venv .venv
source .venv/bin/activate
# Minimal install:
pip install -e .
# Install with WSGI capabilities (see below):
pip install -e .[www]

Usage
CLI
Installation per instructions above creates an image2ascii command; run it for more info. Play around with various combinations of --invert, --negative, --contrast, --brightness, and --color-balance, until the results are to your liking. --color and --crop are also highly recommended.
WSGI
Image2ASCII can run as a simple WSGI application, courtesy of Flask. Just make sure you have installed it with the necessary extra requirements, either by running pip install image2ascii[www] or manually installing Flask and requests.
For this purpose, a fully working web implementation is also included. Not only does it leverage Image2ASCII's various features, it also enables drag-and-drop and pasting of images, and includes all sovereign state flags from Wikipedia for the user to choose from. A live version is (at the time of writing) available here.
Installation via pip will also create an image2ascii_testserver command with an optional port number argument (default is port 8000). Use it to fire up a basic web server on localhost and try it out. (Executing wsgi.py directly from the command line achieves the same thing.)
Here is a suggested (albeit untested) Supervisor setup:
/etc/supervisor/conf.d/image2ascii.ini:
[program:image2ascii]
directory = /path/to/image2ascii
command = /path/to/image2ascii/.venv/bin/uwsgi --ini config.ini

/path/to/image2ascii/config.ini:
[uwsgi]
module = image2ascii.wsgi:application
master = true
processes = 5
socket = /tmp/image2ascii.sock
chmod-socket = 666
vacuum = true

Configuration
The CLI looks for config files in these locations, by order of priority:

Path set via --config parameter
~/.image2ascii
defaults.conf in application directory (i.e. the directory where config.py is located)

The WSGI application looks for these config files, by order of priority:

web_defaults.conf in application directory (a default one is included)
~/.image2ascii
defaults.conf in application directory

Config files follow a normal INI file structure (key=value). For available keys, refer to config.py (more specifically: config.Config._fields).
Everything else
This project is totally in beta, and so its API should not be considered stable.
Shouts out to:

Pillow
Matplotlib
Colorama
Numpy
Flask