PyPI · pypi:portalocker
portalocker active
Cross-platform file locking, with Redis, PID-file and bounded-semaphore locks
The latest stable version of portalocker is 4.4.2, published on 2026-10-28. Verified by Vigia on 2026-11-13.
| Latest stable version | 4.4.2 |
|---|---|
| Published | 2026-10-28 00:24:56 UTC |
| Install | pip install --upgrade portalocker |
| Requires | python >=3.10 |
| License | BSD-3-Clause |
| Advisories on latest version | none known |
| Last verified | 2026-11-13 14:58:02 UTC |
| Sources | pypi.org |
Ask your AI assistant to check this
AI models are trained up to a date, so they can be wrong about versions, deprecations and vulnerabilities. Paste this into Claude, ChatGPT, Perplexity or Cursor and it will answer with the verified data on this page:
Before answering about the pypi package "portalocker", check Vigia (verified, dated facts): https://vigia.coredls.cloud/v1/packages/pypi/portalocker . For my whole project use https://vigia.coredls.cloud/context
Using an AI coding agent every day? Connect Vigia once and it checks this by itself.
Maintenance
| Activity | active |
|---|---|
| Last stable release | 2026-10-28 00:24:56 UTC · 16 days ago |
| Stable releases in the last 12 months | 9 |
| Published versions | 56 |
Heuristic based only on release dates; it does not measure issue or security response times.
Version history
| Version | Published |
|---|---|
4.4.2 | 2026-10-28 00:24:56 UTC |
4.4.1 | 2026-10-16 12:42:45 UTC |
4.4.0 | 2026-09-19 16:11:07 UTC |
4.3.2 | 2026-09-14 01:01:21 UTC |
4.3.1 | 2026-09-13 04:03:21 UTC |
4.3.0 | 2026-08-25 18:05:18 UTC |
4.2.0 | 2026-08-22 00:22:14 UTC |
4.1.0 | 2026-08-02 15:05:23 UTC |
4.0.0 | 2026-08-01 10:47:50 UTC |
3.2.0 | 2025-06-14 13:20:38 UTC |
3.1.1 | 2024-12-31 14:22:47 UTC |
3.1.0 | 2024-12-31 12:04:46 UTC |
3.0.0 | 2024-11-18 12:12:31 UTC |
2.10.1 | 2024-07-13 23:15:32 UTC |
2.10.0 | 2024-06-22 22:49:05 UTC |
2.8.2 | 2023-09-16 14:58:17 UTC |
2.8.1 | 2023-09-16 14:27:35 UTC |
2.8.0 withdrawn | 2023-09-16 10:57:37 UTC |
2.7.0 | 2023-01-18 23:36:12 UTC |
2.6.0 | 2022-10-18 15:19:30 UTC |
Showing the 20 most recent of 56 versions. JSON
Version compatibility
Newest stable version that declares support for each runtime version (from the requirements published with each version).
| Runtime | Newest compatible version |
|---|---|
python 3.8 | 3.0.0 |
python 3.9 | 3.2.0 |
python 3.10 | 4.4.2 |
python 3.11 | 4.4.2 |
python 3.12 | 4.4.2 |
python 3.13 | 4.4.2 |
Give your AI agent these facts
Vigia is a free MCP server: your coding agent checks versions, breaking changes and vulnerabilities before it writes code. No signup, no API key.
claude mcp add --transport http vigia https://vigia.coredls.cloud/mcp
Add to CursorAdd to VS Code★ Star on GitHub
Any other MCP client
{ "mcpServers": { "vigia": { "url": "https://vigia.coredls.cloud/mcp" } } }Agent skill (SKILL.md): tells the agent when to use Vigia · GitHub Action for pull requests
Frequently asked questions
What is the latest version of portalocker?
The latest stable version of portalocker is 4.4.2, published on 2026-10-28. Verified by Vigia on 2026-11-13.
How do I install the latest version of portalocker?
Run pip install --upgrade portalocker. The latest stable version is 4.4.2 (verified 2026-11-13).
Is portalocker deprecated?
No. portalocker is not marked as deprecated in the registry.
Which Python version does portalocker require?
portalocker 4.4.2 declares this requirement: python >=3.10.
Does portalocker 4.4.2 have known vulnerabilities?
No known advisories affect portalocker 4.4.2 according to the data Vigia checks.
Is portalocker still maintained?
portalocker published 9 stable releases in the last 12 months; the most recent was 16 days ago. Activity: active.
Observed changes
- Wed Oct 28 2026 00:28:40 GM +0000 (Coordinated Universal Time) — released 4.4.1 → 4.4.2
- Fri Oct 16 2026 12:45:20 GM +0000 (Coordinated Universal Time) — released 4.4.0 → 4.4.1
Related packages
- click-plugins
- amqp
- langgraph
- freezegun
- cssselect2
- kombu
- humanfriendly
- py
- polars-runtime-32
- dataclasses-json
- types-s3transfer
- pkginfo
Badges for your README
Show the latest version, maintenance status and deprecation status of this package. Copy the Markdown:
[](https://vigia.coredls.cloud/pypi/portalocker) [](https://vigia.coredls.cloud/pypi/portalocker) [](https://vigia.coredls.cloud/pypi/portalocker)
For agents
GET https://vigia.coredls.cloud/v1/packages/pypi/portalocker
GET https://vigia.coredls.cloud/v1/packages/pypi/portalocker/versions/{version}