github_org_size.py

#!/usr/bin/env python3

from humanize import naturalsize
from requests import get

org = ""

org_size = []
repo_count = 0
response = get(f"https://api.github.com/orgs/{org}/repos")
while True:
    repos = response.json()
    for repo in repos:
        org_size.append(int(repo["size"]))
        repo_count += 1
    try:
        response = get(response.links["next"]["url"])
    except KeyError:
        break

total = sum(org_size * 1024)
print(f'{org} has {repo_count} repositories which sum up to {naturalsize(total)}')