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Pure Python FIX protocol engine

Project description

FIXcore

Pure Python FIX protocol engine — mirrors the QuickFIX architecture (QuickFIX/n, QuickFIX/J).

Features

  • Full FIX 4.2 session layer (Logon, Logout, Heartbeat, ResendRequest, SequenceReset, Reject)
  • Message encoding/decoding with DataDictionary validation
  • Repeating groups
  • Async transport: SocketAcceptor + SocketInitiator with auto-reconnect
  • FileStore and MemoryStore persistence
  • MessageCracker dispatch mixin
  • Lightweight browser GUI via aiohttp (tools/fix_gui.py) — session management, message builder, live message log

Quick start

pip install fixcore-engine
pip install "fixcore-engine[gui]"  # includes aiohttp for the GUI

Development

pip install -e ".[dev,gui]"
pytest
python tools/fix_gui.py

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