Upvote bot in less than 10 lines of code
from piston.steem import Steem
import os
import json
steem = Steem(wif=os.environ["WIF"])
authors = json.loads(os.environ["AUTHORS"])
for c in steem.stream_comments():
if c["author"] in authors:
print(c.upvote())
export WIF="wif Posting KEY" AUTHORS='["xeroc", "blueorgy", "ned", "arhag"]'
Note
This currently requries that you install the python-steem library as well as piston from the development branch.