Changes

1.0.3 (2024-03-04)

Fixes

Relax yarl version requirements to avoid potential dependency conflicts in the downstream Backend.AI platform (#28)

1.0.2 (2024-02-29)

Fixes

Stabilize ZMQ RPC auth and malformed packet handling (#27)

Miscellaneous

Update dependencies including pyzmq ('>=23' → '>=25.1.1' to support Python 3.12) and development tools including ruff to replace the black formatter (#26)

v1.0.1 (2023-09-18)

Fixes

Prevent leaking secret keys in the logs and allow infinite timeouts on connection pings (#24)

v1.0.0 (2023-09-14)

Breaking change

Now it requires Python 3.11 to work!

Features

Implement the full version of secure, encrypted RPC communication based on ZeroMQ's ZAP protocol using CURVE keypairs (#21)

v0.9.10 (2022-02-17)

Fixes

Fix pyzmq attribute error on Ubuntu 20.04 at aarch64, which is built using older libzeromq without some socket monitoring event constants, by loading the constant declarations dynamically (#20)

v0.9.9 (2021-10-05)

Fixes

Add explicit task_done() call to the output queue of rpc.Peer instances to avoid potential missing wakeup on joined coroutines (#16)

v0.9.8 (2021-10-05)

Features

lower.zeromq: Add a transport option to attach monitors for logging underlying socket events (#17)

Fixes

Improve zsock_opts handling when explicitly specified by the library users, as previously it caused argument errors in binders and connectors (#18)

v0.9.7 (2020-12-22)

Features

Provide repr() of exceptions in RPC user/internal errors for better application-level error logging (#15)

v0.9.6 (2020-06-05)

Features

upper.rpc: Support server-side cancellation and propagation to clients by adding the CANCELLED RPC message type (#14)

Deprecations

Drop use of aiojobs in favor of native semaphores for limiting the task concurrency and less clutters on job scheduling semantics (#14)

Fixes

Stability updates for the RPC layer: (#14)
- Fix wrong message sequence calcuation with SEQ_BITS and clarify the roles of cleanup() and cancel() methods in the schedulers.
- Now we use the exit-ordered scheduler by default.

v0.9.5 (2020-05-12)

Fixes

lower.zeromq: Use destroy() for zmq context termination to improve stability and shutdown open socekts cleanly (#13)

v0.9.4 (2020-04-10)

Fixes

Fix a race condition due to overlapping RPC message sequence IDs by separating server/client message sequence IDs (#12)

Miscellaneous

Adopt towncrier for changelog management (#11)

v0.9.3 (2020-03-20)

FIX: Mitigate bogus KeyError when cleaning up task futures in RPC servers that has caused event loop spinning.

v0.9.2 (2020-02-28)

MAINTENANCE: Update dependencies and only specify the minimum versions since Callosum is a library.

v0.9.1 (2020-01-05)

FIX: wrong typing of RPCMessage.body field
IMPROVE: Add debug_rpc option to rpc.Peer for logging exceptions in RPC scheduler and user-defined handlers explicitly.
Update dependencies and remove unused ones.

v0.9.0 (2019-12-06)

First public release with a working RPC based on ZeroMQ DEALER/ROUTER sockets.

2018-05-02

Started the project.