PyPI · #4991 most downloaded on PyPI

lomond

0.3.4618K downloads/mowildfoundry/dataplicity-lomond ↗New releases in your daily digest, changelog included.

Websocket Client Library

Last release 16 days ago
18 Sep 2026
Ships unpredictably
gaps range from 8 days to 8.0 years
Most releases are documented
notes for 19 of 26 stable releases
Nothing withdrawn
no release was ever pulled
10 years old
46 releases · first in 2017

Release timeline

46 releases since 2017

2017201920212023

Releases

0.3.418 Sept 2026
Retry-After support in persist() reconnect backoff
0.3.4

Added

Retry-After support in persist() reconnect backoff

Monotonic clock support for websocket session timing stability

TLS configuration controls on WebSocket: ssl_verify, ssl_cafile, and ssl_context

Structured tracing via WebSocket(trace=...)

Expanded CI (modern Python matrix + legacy Py2.7 lane) and hardened PyPI Trusted Publisher workflow

Fixed

Corrected Proxy-Authorization request header formatting

Proxy auto-detection now respects lowercase env vars (http_proxy, https_proxy)

Stabilized local websocket fixture close handshake

Full notes: see CHANGELOG.md
Open source →
Additional notes
Changed

README CI badges now point to GitHub Actions workflows (CircleCI removed)

Added

TLS configuration controls on WebSocket: ssl_verify, ssl_cafile, and ssl_context

Structured tracing via WebSocket(trace=...) for deeper runtime debugging

Tests for TLS wrapping behavior and tracing hooks

Retry-After support in persist() reconnect backoff behavior

Deterministic local socket fixtures for websocket, HTTP, and proxy tests

Fuzz/property-style parser and frame roundtrip tests

Failure-injection coverage for session selector crashes and reconnect policy

Monotonic clock support for websocket session timing stability

Dedicated troubleshooting guide for trace-first diagnostics

Expanded tox env list to include modern Python versions (3.7-3.13) while preserving Python 2.7 support

GitHub Actions CI workflows for modern Python matrix and legacy Py2.7 lane

Expanded legacy GitHub Actions lane to validate Python 2.7, 3.5, 3.6, 3.7 in CI without requiring local Docker for developers

Hardened PyPI Trusted Publisher workflow (release-triggered, version/tag verification, environment-gated publish, OIDC attestations)

Fixed

Corrected Proxy-Authorization request header formatting

Corrected typo in tox PYTHONPATH configuration

Corrected broken test_session mock assertion (assert_called_with)

Proxy auto-detection now respects lowercase env vars (http_proxy, https_proxy)

Stabilized local websocket fixture close handshake to avoid intermittent non-graceful disconnect assertions in CI

One column per quarter.

0.3.321 Sept 2018

Release 0.3.3 (source-equivalent repository tag)

Open source →

0.3.3a121 Sept 2018pre-release

Nothing published for this version

0.3.3a019 Sept 2018pre-release

Nothing published for this version

0.3.24 Jul 2018

Use bytearray internally to reduce memcpys

[0.3.2] - 2018-07-04

Changed

Use bytearray internally to reduce memcpys

Open source →

Additional notes

Changed

Use bytearray internaly to reduce memcpys

Open source →

0.3.127 Jun 2018

[0.3.1] - 2018-06-27 Fixed Python3.7 compatibility Added ProtocolError event

[0.3.1] - 2018-06-27

Fixed

Python3.7 compatibility

Added

ProtocolError event

Open source →

Additional notes

Fixed

Python3.7 compatibility

Added

ProtocolError event

Open source →

0.3.025 Jun 2018

Response now uses unicode rather than bytes for keys/value

Added

Websocket compression

Changed

Response now uses unicode rather than bytes for keys/value

Open source →

0.2.6a015 Jun 2018pre-release

Nothing published for this version

0.2.528 May 20182 sources agree

Traceback if close is called prior to WebSocket ready

[0.2.5] - 2018-05-28

Fixed

Traceback if close is called prior to WebSocket ready

Open source →

0.2.5a019 May 2018pre-release

Nothing published for this version

0.2.415 May 20182 sources agree

Fixed incorrect name for Closing event

Fixed

Fixed incorrect name for Closing event

Added

Added integration tests

[0.2.3] - 2018-05-14

Fixed

non-graceful close https://github.com/wildfoundry/dataplicity-lomond/issues/54

Open source →

0.2.314 May 2018

non-graceful close https://github.com/wildfoundry/dataplicity-lomond/issues/54

Fixed

non-graceful close https://github.com/wildfoundry/dataplicity-lomond/issues/54

Open source →

0.2.29 May 20182 sources agree

Fixed handling of non-ws URLs on Windows

Fixed

Fixed handling of non-ws URLs on Windows
Fixed broken close timeout

Open source →

0.2.123 Apr 2018

Traceback when server breaks protocol

Fixed

Traceback when server breaks protocol

Open source →

0.2.022 Apr 2018

## [0.2.0] - 2018-04-22 ### Added - Proxy support - ipv6 support

[0.2.0] - 2018-04-22

Added

Proxy support
ipv6 support

Open source →

Additional notes

Added

Proxy support
ipv6 support

Open source →

0.1.16a519 Apr 2018pre-release

Nothing published for this version

0.1.16a419 Apr 2018pre-release

Nothing published for this version

0.1.16a319 Apr 2018pre-release

Nothing published for this version

0.1.16a219 Apr 2018pre-release

Nothing published for this version

0.1.16a119 Apr 2018pre-release

Nothing published for this version

0.1.16a019 Apr 2018pre-release

Nothing published for this version

0.1.157 Apr 20182 sources agree

Added helpers send_json and Text.json

Added

Added helpers send_json and Text.json

Fixed

Restored 'select' for Windows

Open source →

0.1.145 Apr 20182 sources agree

Lomond now uses Poll or KQueue depending on platform, rather than select

Lomond now uses Poll or KQueue depending on platform, rather than select
Fail fast on invalid utf-8

Open source →

0.1.1329 Jan 2018

Adds SNI support and ping_timeout

Open source →

Additional notes

Added

Added ping_timeout
Added SNI support

Open source →

0.1.13a024 Jan 2018pre-release

Nothing published for this version

0.1.1217 Oct 2017

Log writes when successful, not before

Fixed

Logging tweaks
Log writes when successful, not before

Open source →

0.1.119 Aug 2017

### Added - Added add_header method

Added

Added add_header method

Open source →

0.1.1025 Jul 2017

Fixed disconnect when recv buffer is full

Fixed

Fixed disconnect when recv buffer is full

Open source →

0.1.10a025 Jul 2017pre-release

Nothing published for this version

0.1.96 Jun 2017

Change struct to use byte strings, to fix a std lib issue

Fixed

Change struct to use byte strings, to fix a std lib issue

Open source →

0.1.9a05 Jun 2017pre-release

Nothing published for this version

0.1.81 Jun 2017

connect() now has a close_timeout parameter.

Added

connect() now has a close_timeout parameter.

Changed

WebSocket objects will now close the socket automatically if an exception occurs in the event loop. Negating the need to use the websocket as a context manager.

Open source →

0.1.7a026 Apr 2017pre-release

Nothing published for this version

0.1.623 Mar 2017

Nothing published for this version

0.1.6a322 Mar 2017pre-release

Nothing published for this version

0.1.6a222 Mar 2017pre-release

Nothing published for this version

0.1.6a122 Mar 2017pre-release

Nothing published for this version

0.1.6a022 Mar 2017pre-release

Nothing published for this version

0.1.514 Mar 2017

Nothing published for this version

0.1.414 Mar 2017

Nothing published for this version

0.1.314 Mar 2017

Nothing published for this version

0.1.3a010 Mar 2017pre-release

Nothing published for this version

0.1.210 Mar 2017

Nothing published for this version

0.1.110 Mar 2017

Nothing published for this version

0.1.010 Mar 2017

Nothing published for this version

0.1.0a010 Mar 2017pre-release

Nothing published for this version

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