postlette 0.3.0

A tiny desktop editor that adds Unicode emphasis for social posts.

Postlette

A tiny desktop editor that adds Unicode emphasis for social posts.

Postlette uses Unicode characters, not rich text formatting. Type your post, style selected text with bold or italic, insert separators, and copy the result. Platforms may render these characters differently.

Rendering varies by platform.

Links:

• Docs: https://chrislyons-dev.github.io/postlette/
• Repo: https://github.com/chrislyons-dev/postlette

Setup

Requires Python 3.10+.

git clone https://github.com/chrislyons-dev/postlette.git
cd postlette
python -m venv .venv

Activate the virtual environment:

# Windows
.venv\Scripts\activate

# macOS / Linux
source .venv/bin/activate

Install dependencies:

pip install -e ".[dev]"

Usage

python main.py

Windows/Linux: use Ctrl. macOS: use Cmd for shortcuts.

1. Type or paste your post into the editor.
2. Select text and apply styling (Bold, Italic, etc.) from the toolbar.
3. Insert em dashes or separators at the cursor.
4. Use 📂 to open a .txt file or 💾 to save your work (shortcuts: Ctrl+O, Ctrl+S, Ctrl+Shift+S).
5. Click Copy (or press Ctrl+Shift+C) to copy the result to your clipboard.

Use styling sparingly for readability.

Test

python tasks.py test

Lint

python tasks.py lint    # check
python tasks.py fix     # auto-fix

Security audit

python tasks.py audit

Icons

Convert an SVG into PNG + ICO + ICNS (dev-only deps):

python tasks.py icons .\docs\images\logo-dark.svg transparent

Docs (MkDocs)

Serve locally:

python tasks.py docs-serve

Build static site:

python tasks.py docs-build

GitHub Pages deploys automatically on main via .github/workflows/docs.yml.

Release

Release builds are tag-driven and publish to GitHub Releases and PyPI.

1. Update the version in pyproject.toml.
2. Commit the change.
3. Create and push a tag like v0.2.0.

The release workflow will:

• Build Windows and macOS PyInstaller artifacts.
• Generate SHA-256 checksums.
• Create a GitHub Release with auto-generated notes.
• Publish sdist/wheel to PyPI via Trusted Publishing.

See RELEASING.md for the full checklist.

Build

Standalone executables are built with PyInstaller. Each OS requires its own build.

python tasks.py build

Windows

pip install pyinstaller
pyinstaller --onefile --windowed --name postlette --icon docs/images/logo-dark-navy.ico main.py

The executable will be in dist/postlette.exe.

macOS

pip install pyinstaller
pyinstaller --onefile --windowed --name postlette main.py

The app bundle will be in dist/postlette.app.

Note: Distributing on macOS may require codesigning and notarization.

License

MIT