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# pip lock
> Lock Python packages and their dependencies into a reproducible file.
> Experimental feature of `pip`.
> More information: <https://pip.pypa.io/en/stable/cli/pip_lock/>.
- Generate a `pylock.toml` for the current project:
`pip lock {{[-e|--editable]}} .`
- Lock dependencies from a requirements file:
`pip lock {{[-r|--requirement]}} {{path/to/requirements.txt}}`
- Specify a custom output file for the lock:
`pip lock {{[-o|--output]}} {{path/to/lockfile.toml}}`
- Lock a specific package and its dependencies:
`pip lock {{package}}`