Example 1

yaml2python.py

#!/usr/bin/env python

import argparse
import json
import yaml

from pprint import pformat
from pygments import highlight
from pygments.formatters import Terminal256Formatter
from pygments.lexers import PythonLexer
from pygments.lexers.data import JsonLexer, YamlLexer

STYLE='rrt'

def pprint_python(obj):
    print(highlight(pformat(obj), PythonLexer(), Terminal256Formatter(style=STYLE)))

def pprint_json(obj):
    print(highlight(obj, JsonLexer(), Terminal256Formatter(style=STYLE)))

def pprint_yaml(obj):
    print(highlight(obj, YamlLexer(), Terminal256Formatter(style=STYLE)))

# PARSE ARGUMENTS
parser = argparse.ArgumentParser()
parser.add_argument('-f', '--file', help="path to a YAML file", type=str, default='template.yml')
args = parser.parse_args()

# PRINT THE ORIGINAL STRUCTURE TO THE TERMINAL
print('\n============================')
print('***  ORIGINAL YAML FILE  ***')
print('============================\n')
pprint_yaml(open(args.file,'r').read())

# PRINT THE JSON EQUIVALENT
print('\n============================')
print('*** JSON FILE EQUIVALENT ***')
print('============================\n')
pprint_json(json.dumps(yaml.load(open(args.file), Loader=yaml.FullLoader), indent=4, sort_keys=True))

# PRINT THE PYTHON INTERPRETATION OF THE FILE TO THE TERMINAL
print('\n=============================')
print('*** PYTHON INTERPRETATION ***')
print('=============================\n')
pprint_python(yaml.load(open(args.file), Loader=yaml.FullLoader))

Tip

YAML is a widely used file format for storing configuration. However, some properties of YAML such as interpretation of boolean values can be misleading at times.

Install the Python pygments package

pip install pygments

and execute

python yaml2python.py