Using YAML for configuration files

Python offers a variety of ways to package application inputs and configuration files. We'll look at writing files in YAML notation because it's elegant and simple.

How can we represent configuration details in YAML notation?

Getting ready

Python doesn't have a YAML parser built in. We'll need to add the pyyaml project to our library using the pip package management system. Here's how the installation looks:

MacBookPro-SLott:pyweb slott$ pip3.5 install pyyaml
Collecting pyyaml
  Downloading PyYAML-3.11.zip (371kB)
    100% |█████████████████...