fixinspector 0.2.0

FIX message parser and viewer

FIX Inspector

Offline FIX message viewer and decoder for troubleshooting trade logs.

Requirements

• Python 3.12+
• PySide6 (Qt6)
• Supported platforms: Windows, macOS, and Linux

Install from source

python -m pip install -e .
python -m fixinspector

Install from PyPI

python -m pip install fixinspector
python -m fixinspector

The fixinspector command launches the GUI after installation.

CLI

fixinspect decode sample.log --format text
fixinspect decode sample.log --format json
fixinspect index sample.log

The same CLI subcommands are available through the package module:

python -m fixinspector decode sample.log --format json
python -m fixinspector index sample.log

Custom QuickFIX-style XML dictionaries can be supplied with --dict.

Development

If you use uv, the existing lockfile supports the same workflows:

uv sync --all-groups
uv run python -m fixinspector
uv run pytest -q