Proto CameCase to snake_case: Install dependencies and run`python3 proto_camel_to_snake.py --help`

proto_camel_to_snake.py

import inflection
import os
import fire
from pathlib import Path
import re


def protoSnakeCase(search=None, exclude=None):
    """Recursively search and convert all camelCase attributes to snake_case in .proto files.

    Args:
        search (str): Required - the path to search for .proto files.
        exclude (str): Optional - the path to exclude from the search.
    """
    if search is None:
        exit("The search path must be specified")

    search_path = os.path.expanduser(search)
    if not os.path.exists(search_path):
        exit("The path to search does not exist")

    exclude_path = os.path.expanduser(exclude) if exclude is not None else None
    for path in Path(search_path).rglob("*.proto"):
        if path.is_file() and (
            exclude_path is None or not str(path).startswith(exclude_path)
        ):
            with open(path, "r") as f:
                print(path)
                content = f.read()
                contentAlt = re.sub(
                    "(.*) (.*) = (\d+);",
                    lambda m: f"{m.group(1)} {inflection.underscore(m.group(2))} = {m.group(3)};",
                    content,
                )
            with open(path, "w") as f:
                f.write(contentAlt)


if __name__ == "__main__":
    fire.Fire(protoSnakeCase)