# This file lists dependencies that are used by different
# pluggable (optional) parts of TaskFlow, like engines
# or persistence backends. They are not strictly required
# by TaskFlow (you can use TaskFlow without them), but
# so they don't go to requirements.txt.

# Database (sqlalchemy) persistence:
SQLAlchemy<=0.7.99,<=0.9.99
alembic>=0.4.1

# Database (sqlalchemy) persistence with MySQL:
pyMySQL
MySQL-python

# Database (sqlalchemy) persistence with PostgreSQL:
psycopg2

# ZooKeeper backends
kazoo>=1.3.1

# Eventlet may be used with parallel engine
eventlet>=0.13.0