.ci/scripts/check_lockfile.py


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#! /usr/bin/env python
import sys

if sys.version_info < (3, 11):
    raise RuntimeError("Requires at least Python 3.11, to import tomllib")

import tomllib

with open("poetry.lock", "rb") as f:
    lockfile = tomllib.load(f)

try:
    lock_version = lockfile["metadata"]["lock-version"]
    assert lock_version == "2.0"
except Exception:
    print(
        """\
    Lockfile is not version 2.0. You probably need to upgrade poetry on your local box
    and re-run `poetry lock --no-update`. See the Poetry cheat sheet at
    https://matrix-org.github.io/synapse/develop/development/dependencies.html
    """
    )
    raise