MD5 checksum function

MD5_checksum.py

# source http://joelverhagen.com/blog/2011/02/md5-hash-of-file-in-python/
import hashlib

def md5Checksum(filePath):
    with open(filePath, 'rb') as fh:
        m = hashlib.md5()
        while True:
            data = fh.read(8192)
            if not data:
                break
            m.update(data)
        return m.hexdigest()