OmniScript

A language with four commands for drawing things. Imports work like Python, draw() draws anything, and draw_gui puts buttons in a window:

import math                   # imports work like Python
from math import sqrt

draw(window(640, 400, "Demo"),  # a picture: a window, or a real one on screen
     rect(0, 0, 640, 60, "#161b22"),
     text(20, 20, "Hello, OmniScript", white, 18),
     circle(320, 240, 80, blue),
     save("hello.png"))

draw_gui.window_size(640, 400, "Demo")
draw_gui.button(pos=(20, 300), text="List files", action=cmd("ls -la"))
draw_gui()                    # show the window

A program is a list of commands. Each one says what it did. There are no variables, no loops and nothing to define — a bare word is worth its own name, which is how create, background and blue reach a command without quotes.

cmd(), file() and python() are still there for everything else: shell commands, files, and anything Python can do. See the changelog for what is new, and the wiki for the full guides.

Install

curl -fsSL https://raw.githubusercontent.com/OmniNodeCo/OmniScript/main/install.sh | bash

iwr -use1 https://raw.githubusercontent.com/OmniNodeCo/OmniScript/main/install.ps1 | iex

That takes the file built for your machine from the newest release, checks its sha256 and puts omni and omniscript on your PATH. No Python needed. Two channels: release (the default, this page's releases) and beta (-s beta, the repository — git pull is then the upgrade, and it wants Python 3.10+). --version pins one release, --dry-run shows the plan and touches nothing, uninstall.sh takes the whole thing back out.

From a clone, there is nothing to build:

git clone https://github.com/OmniNodeCo/OmniScript
cd OmniScript
./omni                          # a REPL
./omni hello.omni               # a file
./omni -e 'cmd("echo hi")'      # one line

A virtual environment or a system-wide install is plain pip install ..

To remove it again:

./uninstall.sh --purge

.\uninstall.ps1 -Purge

The four commands

import ... works like Python: import math, import os as o, from math import sqrt. Whatever you import is waiting for you inside python(), and any import enables python(). (import python still works exactly as before.)

draw(...) takes a list of elements — window(w, h, title, background), rect(x, y, w, h, color), circle(x, y, r, color), line(x1, y1, x2, y2, color, width), text(x, y, "s", color, size), button(x, y, w, h, "label", action) — and save("file.png"). With a screen, it opens a real window and the buttons run their action when clicked. Without one — a server, CI — the same picture is written as a PNG, drawn here in pure Python: no libraries, nothing to install.

Elements also take keywords: rect(pos=(0, 0), size=(64, 40), color=blue), text(pos=(4, 4), text="hi", size=10), line(from=(0, 0), to=(9, 9)).

draw_gui.window_size(...) sets the GUI window's size: window_size(800, 600), window_size("800x600"), window_size(width=800, height=600, title="Demo"). It says the size back.

draw_gui.button(...) adds a button: button(pos=(20, 30), text="List files", action=cmd("ls")). pos= is (x, y), size= is (width, height), and action= is the command that runs when the button is clicked — kept for later, never run now. Positional arguments work too: button(20, 30, 150, 36, "List files", cmd("ls")).

draw_gui(...) shows the window: the queued buttons plus whatever elements it is given, at the window_size. Give it save("gui.png") and it writes a PNG instead — the headless-friendly way, and how the examples keep CI moving.

Colours take #rrggbb, #rgb, or a name: red, green, blue, white, black, yellow, orange, purple, pink, cyan, grey and a few more.

Beyond the four: cmd(...) runs a shell command (cmd(background, ...) without waiting), file(create | edit | delete, path, ...) writes, edits and removes files, and python(...) runs Python once anything is imported.

Update

omni update --check     # what is published, what you have
omni update             # fetch it, check the sha256, swap it in, prove it runs
omni update -c beta     # follow the repository instead

How it is put together

omniscript/language.py is the lexer, the parser and the interpreter. omniscript/draw.py is the pixels, the shapes, the 3x5 font and the PNG writer, plus the tkinter window. omniscript/cli.py is the command line and the REPL. omniscript/update.py is omni update.

Tests: python -m unittest discover -s tests.