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Redis-Based Message Broker for Python

Project description

Latest Travis CI build status Documentation Status

Documentation: Read the docs.


$ pip install rivulet



  • No balanced consumers (yet)

  • Without the proper management tools (see todos), managing messages is painful raw redis.


  • Extend testing

    • Connection drops

    • Parallel producers, consumers (stressing the locking setup)

  • Provies management functionality

    • list channels, delete channels

    • count, list, update subscribers

    • count, list, prune messages

Implementation details

Data model:

  1. rvl:lock:<channel_id>: Used to maintain locks across multi-step redis calls (in particular when sending a message using a server-issued, monotonically increasing message seq id).

  2. rvl:id:<channel_id>: A counter providing sequence ids for messages in channel channel_id

  3. rvl:msg:<channel_id>: ZSET that maps a packed JSON string to the message sed id (allowing range queries on messages over seq ids).

  4. rvl:channel:<channel_id>: ZSET that maps a client id to the last message id in channel channel_id seen by the clinet

  5. rvl:index:<client_id>: ZSET that maps the channel_id to the last message id seen by client client_id

Project details

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rivulet-0.2.0.tar.gz (5.6 kB view hashes)

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