def write_egg_lockfile()

in src/kernels/lockfile.py [0:0]

• 18 lines of code
• 5 McCabe index (conditional complexity)

def write_egg_lockfile(cmd, basename, filename):
    import logging

    cwd = Path.cwd()
    pyproject_path = cwd / "pyproject.toml"
    if not pyproject_path.exists():
        # Nothing to do if the project doesn't have pyproject.toml.
        return

    with open(pyproject_path, "rb") as f:
        data = tomllib.load(f)

    kernel_versions = data.get("tool", {}).get("kernels", {}).get("dependencies", None)
    if kernel_versions is None:
        return

    lock_path = cwd / "kernels.lock"
    if not lock_path.exists():
        logging.warning(f"Lock file {lock_path} does not exist")
        # Ensure that the file gets deleted in editable installs.
        data = None
    else:
        data = open(lock_path, "r").read()

    cmd.write_or_delete_file(basename, filename, data)