return yaml values by filename + yaml key/path

get_yaml_value.py

#!/usr/bin/env python

#pip install dpath

def get_yaml_config(path: str):
    import yaml
    with open(path, 'r') as ymlfile:
        cfg = yaml.load(ymlfile)

    return cfg


def get_config(file_path, yaml_path):

    """
    passing yaml config options to bash
    :param file_path: path to yaml file
    :param yaml_path: path inside yaml file
    """

    import dpath.util

    config = get_yaml_config(file_path)
    print(dpath.util.get(config, yaml_path))


if __name__ == '__main__':
    import sys
    # usage:
    ## !/bin/bash
    ## ! config
    ## DB_USER =$(gc.py config.yml "path/to/yaml/key")
    
    get_config(sys.argv[1], sys.argv[2])