characteristic >= 14.0
cryptography >= 0.5
pyasn1
pyOpenSSL
service_identity
requests
Twisted
txrequests >= 0.9
PyYAML

[mongodb]
txmongo >= 0.5

[all]
txAMQP
psycopg2
txredis
txmongo >= 0.5

[redis]
txredis

[amqp]
txAMQP

[postgres]
psycopg2