directories.py

import json
import mmap
import os
import re
import glob
from pathlib import Path


def get_directories():
    """
    Return all Terraform (*.tf) files that contain the 'required_version'
        string, but does not contain 'wrapper' in the path.
    """

    terraform_files = glob.glob('./**/*.tf', recursive=True)
    directories = []

    for file in terraform_files:
        p = Path(file)
        if p.is_dir():
          continue
        file_size = os.stat(file)

        if file_size.st_size > 0:
            with open(file, 'rb', 0) as rfile:
                contents = mmap.mmap(rfile.fileno(), 0, access=mmap.ACCESS_READ)
                if contents.find(b'required_version') != -1 and 'wrapper' not in file:
                    formatted = "/".join(file.split('/')[:-1])
                    directories.append(formatted)

    return json.dumps([x for x in directories if not re.match(r'^.+/_', x)])


if __name__ == '__main__':
    print(get_directories())