lockfile
File-based lock (via fcntl.flock) preventing concurrent runs of the same process —
atomic across forked processes, unlike thread-level locks and semaphores.
Installation
pip install entirius-py-lockfile
Usage
from lockfile import LockFile
lock = LockFile("/var/run/my-job.lock")
lock.acquire() # raises if already held (non-blocking by default)
try:
... # critical section
finally:
lock.release()
Pass wait_for_acquire=True to block until the lock is available instead of raising.
Development
make install # sync dependencies (uv)
make check # lint + format check (ruff)
make test # test suite (pytest)
Development and agent instructions: AGENTS.md.
License
Mozilla Public License 2.0 — see LICENSE.
1 maintainer
Metadata
1 maintainer
Release files for entirius-py-lockfile 2.0.0
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Source distribution (sdist)
| File | Size | Uploaded | |
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| entirius_py_lockfile-2.0.0.tar.gz | 21.5 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| entirius_py_lockfile-2.0.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 29.4 kB
Release files / entirius_py_lockfile-2.0.0.tar.gz
| Download URL | entirius_py_lockfile-2.0.0.tar.gz |
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| Size | 21.5 kB |
| Tags | Source |
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uv/0.11.26 {"installer":{"name":"uv","version":"0.11.26","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}
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Release files / entirius_py_lockfile-2.0.0-py3-none-any.whl
| Download URL | entirius_py_lockfile-2.0.0-py3-none-any.whl |
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| Size | 7.9 kB |
| Tags | Python 3 |
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uv/0.11.26 {"installer":{"name":"uv","version":"0.11.26","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}
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