bigquery_etl/pytest_plugin/script_lint/__init__.py

"""PyTest plugins for running linters on python scripts without a .py extension."""

import re

python_hashbang = re.compile(r"#!(/usr)?/bin(/env |/)python(3(.7)?)?$")


def is_python_executable(path):
    """Check if the given path is a python script."""
    if path.ext == "":
        with open(path) as fp:
            return python_hashbang.match(fp.readline().strip())
    return False