Dump directory of video files to screenshots, script to randomly select a screenshot and post to Twitter.

post.py

import tweepy
import os, random


def main():

    twitter_auth_keys = {
        "consumer_key"        : os.environ['CONSUMER_KEY'],
        "consumer_secret"     : os.environ['CONSUMER_SECRET'],
        "access_token"        : os.environ['ACCESS_TOKEN'],
        "access_token_secret" : os.environ['ACCESS_TOKEN_SECRET']
    }

    auth = tweepy.OAuthHandler(

            twitter_auth_keys['consumer_key'],

            twitter_auth_keys['consumer_secret']

            )

    auth.set_access_token(

            twitter_auth_keys['access_token'],

            twitter_auth_keys['access_token_secret']

            )

    api = tweepy.API(auth)

    # Upload image
    path = os.environ['LNVC_PREV_PATH'] + random.choice(os.listdir(os.environ['LNVC_PREV_PATH']))
    media = api.media_upload(path)

    # Post tweet with image
    tweet = "#bot"
    post_result = api.update_status(status=tweet, media_ids=[media.media_id])

if __name__ == "__main__":
    main()

screens.sh

#!/bin/bash

# LNVC_DATA_PATH=${YOUR_VIDEO_FILE_SOURCE_DIR}
# LNVC_PREV_PATH=${YOUR_SCREENSHOT_TARGET_DIR}
REFRESH_SCREENS=1 # Any Value will Enable Clearing LNVC_PREV_PATH before running

if [ -z "${LNVC_DATA_PATH}" ]; then
    echo "No source path found." ; exit 1
fi

if [ -z "${LNVC_PREV_PATH}" ]; then
    echo "No target path found." ; exit 1
fi

if [ -n "${REFRESH_SCREENS}" ]; then
	rm -rf $LNVC_PREV_PATH/*.jpg ; \
fi


for v in `ls $LNVC_DATA_PATH`; do \
   ffmpeg -i $LNVC_DATA_PATH/$v -vf fps=1/90 $LNVC_PREV_PATH/$v-`head /dev/urandom | tr -dc A-Za-z0-9 | head -c 13 ; echo ''`%03d.jpg
done