Convert 3-clause BSD licenses to 2-clause in a directory of projects, commit and push to BitBucket and GitHub

declauser.py

#!/usr/bin/env python

import os


cwd = os.path.abspath(os.getcwd())

for project in os.listdir("."):
    path = os.path.join(cwd, project)
    if not os.path.isdir(path):
        continue
    os.chdir(path)
    try:
        with open("LICENSE", "r") as f:
            license = f.read()
    except:
        continue
    skip = False
    lines = []
    for line in license.split("\n"):
        if line.strip().startswith("3"):
            skip = True
        elif skip and line.startswith("THIS"):
            skip = False
        if not skip:
            lines.append(line)
    with open("LICENSE", "w") as f:
        f.writelines("\n".join(lines))
    os.system('hg commit -m "Changed LICENSE from 3-clause to 2-clause BSD."')
    os.system('hg push && hg push github')