scripts/ci/update_lf_base_dependency.py

#!/usr/bin/env python

import re
import sys
from pathlib import Path

import packaging.version

BASE_DIR = Path(__file__).parent.parent.parent
ARGUMENT_NUMBER = 2


def update_base_dep(pyproject_path: str, new_version: str) -> None:
    """Update the langflow-base dependency in pyproject.toml."""
    filepath = BASE_DIR / pyproject_path
    content = filepath.read_text(encoding="utf-8")

    replacement = f'langflow-base-nightly = "{new_version}"'

    # Updates the pattern for poetry
    pattern = re.compile(r'langflow-base = \{ path = "\./src/backend/base", develop = true \}')
    if not pattern.search(content):
        msg = f'langflow-base poetry dependency not found in "{filepath}"'
        raise ValueError(msg)
    content = pattern.sub(replacement, content)
    filepath.write_text(content, encoding="utf-8")


def verify_pep440(version):
    """Verify if version is PEP440 compliant.

    https://github.com/pypa/packaging/blob/16.7/packaging/version.py#L191
    """
    return packaging.version.Version(version)


def main() -> None:
    if len(sys.argv) != ARGUMENT_NUMBER:
        msg = "New version not specified"
        raise ValueError(msg)
    base_version = sys.argv[1]

    # Strip "v" prefix from version if present
    base_version = base_version.removeprefix("v")

    verify_pep440(base_version)
    update_base_dep("pyproject.toml", base_version)


if __name__ == "__main__":
    main()