automagically post my mpv screenshots to @slowpokeshots (see https://slowpokewell.wordpress.com/2014/12/11/automagic-screenshot-twitter-account/)

slowpokeshots.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Author: slowpoke <mail+gist@slowpoke.io>
#
# I place this in the Public Domain.
# Do whatever you want. Fuck copywrong.

import os
import time
import plac     # pip install plac
import twitter  # pip install twitter

MPV_FIFO = "/tmp/mpv.fifo"
TMP_SHOT_FILENAME = "/tmp/slowpokeshot.png"

CONSUMER_KEY = "s1NfxCGgovyTGeg8MiuX8F9tZ"
CONSUMER_SECRET = "MEiB0paKNz0CBs2jUKn4YxKoanLW0CyDhYrR0LtLiJJjdCEzww"

CRED_FILE = os.path.expanduser("~/.slowpokeshots_twittercreds")


def main(subtitles: ("Include subtitles in screenshot", 'flag', 's')):
    # take two screenshots, a temporary one for
    # uploading and the other for the collection
    screenshot(subtitles, TMP_SHOT_FILENAME)
    screenshot(subtitles)
    # wait for the shot to appear (avoids a race condition, this is an ugly
    # hack, but it works)
    wait_for_shot()
    # upload the shot
    upload_shot(TMP_SHOT_FILENAME)
    # finally, remove the temporary shot again
    os.remove(TMP_SHOT_FILENAME)


def screenshot(subtitles, filename=None):
    subs_or_vid = "subtitles" if subtitles else "video"
    if filename is None:
        command = "screenshot {}\n".format(subs_or_vid)
    else:
        command = "screenshot_to_file {} {}\n".format(filename, subs_or_vid)
    print(command)
    with open(MPV_FIFO, "w") as fifo:
        fifo.write(command)


def wait_for_shot():
    while True:
        if os.path.exists(TMP_SHOT_FILENAME):
            break
        time.sleep(1)


def upload_shot(filename, status: ("Optional tweet text", 'option', 't') = ""):
    if not os.path.exists(CRED_FILE):
        twitter.oauth_dance(
            "slowpokeshots", CONSUMER_KEY, CONSUMER_SECRET, CRED_FILE)
    oauth_token, oauth_secret = twitter.read_token_file(CRED_FILE)

    t = twitter.Twitter(auth=twitter.OAuth(
        oauth_token, oauth_secret, CONSUMER_KEY, CONSUMER_SECRET))
    with open(filename, "rb") as image:
        params = {"media[]": image.read(), "status": status}
    t.statuses.update_with_media(**params)

if __name__ == "__main__":
    plac.call(main)