Parsing a YAML file

YAML is a configuration file format

The file itself might look like this:

mysql:
    host: localhost
    user: root
    passwd: my secret password
    db: write-math
other:
    preprocessing_queue:
        - preprocessing.scale_and_center
        - preprocessing.dot_reduction
        - preprocessing.connect_lines
    use_anonymous: yes

You can read it like this:

#!/usr/bin/env python


import yaml #Import yaml module 

with open("example.yml", 'r') as stream:  #open the yaml file in read mode
    try:
        myDict = (yaml.load(stream)) #load the file into a dictionary called 'Dict'
        for section in myDict:
            print section
        print myDict['mysql']
    except yaml.YAMLError as exc:
        print(exc)

That's all you need. Now the entire yaml file is in 'MyDict' dictionary.
Output:

other
mysql
{'passwd': 'my secret password',
 'host': 'localhost',
 'db': 'write-math',
 'user': 'root'}