How to check if python package is latest version programmatically?

Question

How do you check if a package is at its latest version programmatically in a script and return a true or false?

I can check with a script like this:

Answer 1

To just check the latest version on PyPi (for Python 3.6 and up):

$ pip install requests

import requests

package = 'django'  # replace with the package you want to check
response = requests.get(f'https://pypi.org/pypi/{package}/json')
latest_version = response.json()['info']['version']