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twoot/twoot.py

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#! /usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Copyright (C) 2019 Jean-Christophe Francois
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
import sys
import argparse
import os
import random
import requests
from bs4 import BeautifulSoup, element
import sqlite3
import datetime, time
import re
from pathlib import Path
from mastodon import Mastodon, MastodonError, MastodonAPIError, MastodonIllegalArgumentError
import subprocess
import json.decoder
import shutil
# Update from https://www.whatismybrowser.com/guides/the-latest-user-agent/
USER_AGENTS = [
'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36',
'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:54.0) Gecko/20100101 Firefox/73.0',
'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13 Safari/605.1.15',
'Mozilla/5.0 (Windows NT 10.0; Win64; x64; Xbox; Xbox One) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36 Edge/44.18363.8131',
]
#TODO log to file
def handle_no_js(session, page, headers):
"""
Check if page is a "No Javascript" page instead of the content that we wanted
If it is, submit the form on the page as POST request to get the correct page and return it
:param session: current requests session
:param page: Response object to check
:param headers: HTTP headers used in initial request
:return: correct page (Response object)
"""
# DEBUG: Save page to file
#of = open('no_js_page.html', 'w')
#of.write(page.text)
#of.close()
# Set default return value
new_page = page
# Make soup
soup = BeautifulSoup(page.text, 'html.parser')
if soup.form.p is not None:
if 'JavaScript is disabled' in str(soup.form.p.string):
# Submit POST form response with cookies
headers.update(
{
'Content-Type': 'application/x-www-form-urlencoded',
'Referer': page.request.url,
}
)
action = soup.form.get('action')
# Submit the form
new_page = session.post(action, headers=headers, cookies=page.cookies)
# Verify that download worked
assert (new_page.status_code == 200), 'The twitter page did not download correctly. Aborting'
return new_page
def cleanup_tweet_text(tt_iter, twit_account, status_id, tweet_uri, get_vids):
'''
Receives an iterator over all the elements contained in the tweet-text container.
Processes them to remove Twitter-specific stuff and make them suitable for
posting on Mastodon
:param tt_iter: iterator over the HTML elements in the text of the tweet
:param twit_account: Used to name directory where videos are downloaded
:param status_id: Used to name directory where videos are downloaded
:param tweet_uri: Used to downloaded videos
:param get_vids: True to download embedded twitter videos and save them on the filesystem
'''
tweet_text = ''
# Iterate elements
for tag in tt_iter:
# If element is plain text, copy it verbatim
if isinstance(tag, element.NavigableString):
tweet_text += tag.string
# If it is an 'a' html tag
elif tag.name == 'a' and tag.has_attr('class'):
# If element is a #hashtag, only keep text
for tc in tag['class']:
if tc == 'twitter-hashtag':
tweet_text += tag.get_text()
# If element is a mention of @someuser, only keep text
elif tc == 'twitter-atreply':
tweet_text += tag.get_text()
# If element is an external link
elif tc == 'twitter_external_link':
# If element is a simple link
if tag.has_attr('data-expanded-url'):
# Add a sometimes missing space before url
if not tweet_text.endswith(' ') and not tweet_text.endswith('\n'):
tweet_text += ' '
# Add full url
tweet_text += tag['data-expanded-url']
if tag.has_attr('data-expanded-path'):
data_expanded_path = tag['data-expanded-path']
if 'video' in data_expanded_path:
if get_vids:
# Download video from twitter and store in filesystem. Running as subprocess to avoid
# requirement to install ffmpeg and ffmpeg-python for those that do not want to post videos
try:
# TODO set output location to ./output/twit_account/status_id
dl_feedback = subprocess.run(
["./twitterdl.py", tweet_uri, "-ooutput/" + twit_account + "/" + status_id, "-w 500"],
capture_output=True
)
if dl_feedback.returncode != 0:
# TODO Log dl_feedback.stderr
tweet_text += '\n\n[Video embedded in original tweet]'
except OSError:
print("Could not execute twitterdl.py (is it there? Is it set as executable?)")
sys.exit(-1)
else:
tweet_text += '\n\n[Video embedded in original tweet]'
# If element is hashflag (hashtag + icon), handle as simple hashtag
elif tag.name == 'span' and tag['class'][0] == 'twitter-hashflag-container':
tweet_text += tag.a.get_text()
# If tag is an image
elif tag.name == 'img':
# If it is of class 'Emoji'
for tc in tag['class']:
if tc == 'Emoji':
# Get url of Emoji
src = tag["src"]
# Use regex to extract unicode characters from file name
uni_str = re.search('/([0-9A-Fa-f\-]+?).png$', src).group(1)
# build the list of hex unicode characters separated by '-' in the file name
uni_list = uni_str.split('-')
# Extract individual unicode chars and add them to the tweet
for uni_char in uni_list:
# convert string to hex value of unicode character
tweet_text += chr(int(uni_char, 16))
# elif tag is a geographical point of interest
elif tag.name == 'span' and tag['class'][0] == 'tweet-poi-geo-text':
# Not sure what to do
pass
else:
print("*** WARNING: No handler for tag in twitter text: " + tag.prettify())
return tweet_text
def contains_class(body_classes, some_class):
'''
:param body_classes: list of classes to search
:param some_class: class that we are interested in
:return: True if found, false otherwise
'''
found = False
for body_class in body_classes:
if body_class == some_class:
found = True
return found
def main(argv):
# Build parser for command line arguments
parser = argparse.ArgumentParser(description='toot tweets.')
parser.add_argument('-t', metavar='<twitter account>', action='store', required=True)
parser.add_argument('-i', metavar='<mastodon instance>', action='store', required=True)
parser.add_argument('-m', metavar='<mastodon account>', action='store', required=True)
parser.add_argument('-p', metavar='<mastodon password>', action='store', required=True)
parser.add_argument('-r', action='store_true', help='Also post replies to other tweets')
parser.add_argument('-v', action='store_true', help='Ingest twitter videos and upload to Mastodon instance')
parser.add_argument('-a', metavar='<max age (in days)>', action='store', type=float, default=1)
parser.add_argument('-d', metavar='<min delay (in mins)>', action='store', type=float, default=0)
# Parse command line
args = vars(parser.parse_args())
twit_account = args['t']
mast_instance = args['i']
mast_account = args['m']
mast_password = args['p']
tweets_and_replies = args['r']
get_vids = args['v']
max_age = float(args['a'])
min_delay = float(args['d'])
# Try to open database. If it does not exist, create it
sql = sqlite3.connect('twoot.db')
db = sql.cursor()
db.execute('''CREATE TABLE IF NOT EXISTS toots (twitter_account TEXT, mastodon_instance TEXT,
mastodon_account TEXT, tweet_id TEXT, toot_id TEXT)''')
# **********************************************************
# Load twitter page of user. Process all tweets and generate
# list of dictionaries ready to be posted on Mastodon
# **********************************************************
# To store content of all tweets from this user
tweets = []
# Initiate session
session = requests.Session()
# Get a copy of the default headers that requests would use
headers = requests.utils.default_headers()
# Update default headers with randomly selected user agent
headers.update(
{
'User-Agent': USER_AGENTS[random.randint(0, len(USER_AGENTS)-1)],
}
)
url = 'https://mobile.twitter.com/' + twit_account
# Download twitter page of user. We should get a 'no javascript' landing page and some cookies
twit_account_page = session.get(url, headers=headers)
# Verify that download worked
assert twit_account_page.status_code == 200,\
'The twitter page did not download correctly. Aborting'
# If we got a No Javascript page, download the correct page
twit_account_page = handle_no_js(session, twit_account_page, headers)
# DEBUG: Save page to file
#of = open(twit_account + '.html', 'w')
#of.write(twit_account_page.text)
#of.close()
# Make soup
soup = BeautifulSoup(twit_account_page.text, 'html.parser')
# Verify that we now have the correct twitter page
body_classes = soup.body.get_attribute_list('class')
assert contains_class(body_classes, 'users-show-page'), 'This is not the correct twitter page. Quitting'
# Replace twit_account with version with correct capitalization
twit_account = soup.find('span', class_='screen-name').get_text()
# Extract twitter timeline
timeline = soup.find_all('table', class_='tweet')
for status in timeline:
# Extract tweet ID and status ID
tweet_id = str(status['href']).strip('?p=v')
status_id = tweet_id.split('/')[3]
# Check in database if tweet has already been posted
db.execute('''SELECT * FROM toots WHERE twitter_account = ? AND mastodon_instance = ? AND
mastodon_account = ? AND tweet_id = ?''',
(twit_account, mast_instance, mast_account, tweet_id))
tweet_in_db = db.fetchone()
if tweet_in_db is not None:
# Skip to next tweet
continue
reply_to_username = None
# Check if the tweet is a reply-to
reply_to_div = status.find('div', class_='tweet-reply-context username')
if reply_to_div is not None:
# Do we need to handle reply-to tweets?
if tweets_and_replies:
# Capture user name being replied to
reply_to_username = reply_to_div.a.get_text()
else:
# Skip this tweet
continue
# Extract url of full status page
full_status_url = 'https://mobile.twitter.com' + tweet_id + '?p=v'
# fetch full status page
full_status_page = session.get(full_status_url, headers=headers)
# Verify that download worked
assert full_status_page.status_code == 200, \
'The twitter page did not download correctly. Aborting'
# If we got a No Javascript page, download the correct page
full_status_page = handle_no_js(session, full_status_page, headers)
# DEBUG: Save page to file
#of = open('full_status_page.html', 'w')
#of.write(full_status_page.text)
#of.close()
# Make soup
soup = BeautifulSoup(full_status_page.text, 'html.parser')
# Verify that we now have the correct twitter page
body_classes = soup.body.get_attribute_list('class')
assert contains_class(body_classes, 'tweets-show-page'), \
'This is not the correct twitter page. Quitting'
# Check if tweet contains pic censored as "Sensitive material"
if soup.find('div', class_='accept-data') is not None:
# If it does, submit form to obtain uncensored tweet
# Submit POST form response with cookies
headers.update(
{
'Origin': 'https://mobile.twitter.com',
'Host': 'mobile.twitter.com',
'Content-Type': 'application/x-www-form-urlencoded',
'Referer': full_status_url,
}
)
# Data payload for POST request
authenticity_token = soup.find('input', {'name': 'authenticity_token'}).get('value')
form_input = {'show_media': 1, 'authenticity_token': authenticity_token, 'commit': 'Display media'}
full_status_page = session.post(full_status_url, data=form_input, headers=headers)
# Verify that download worked
assert full_status_page.status_code == 200, \
'The twitter page did not download correctly. Aborting'
# DEBUG: Save page to file
#of = open('full_status_page_uncensored.html', 'w')
#of.write(full_status_page.text)
#of.close()
# Remake soup
soup = BeautifulSoup(full_status_page.text, 'html.parser')
# Isolate table main-tweet
tmt = soup.find('table', class_='main-tweet')
# Extract avatar
author_logo_url = tmt.find('td', class_='avatar').a.img['src']
# extract author
author = tmt.find('div', class_='fullname').a.strong.get_text()
# Extract user name
author_account = str(tmt.find('span', class_='username').span.next_sibling).strip('\n ')
# Extract time stamp
time_string = tmt.find('div', class_='metadata').a.get_text()
timestamp = datetime.datetime.strptime(time_string, '%I:%M %p - %d %b %Y').timestamp()
# extract iterator over tweet text contents
tt_iter = tmt.find('div', class_='tweet-text').div.children
tweet_text = cleanup_tweet_text(tt_iter, twit_account, status_id, full_status_url, get_vids)
# Mention if the tweet is a reply-to
if reply_to_username is not None:
tweet_text = 'In reply to ' + reply_to_username + '\n\n' + tweet_text
# Check it the tweet is a retweet from somebody else
if author_account.lower() != twit_account.lower():
tweet_text = 'RT from ' + author + ' (@' + author_account + ')\n\n' + tweet_text
# Add footer with link to original tweet
tweet_text += '\n\nOriginal tweet : https://twitter.com' + tweet_id
photos = [] # The no_js version of twitter only shows one photo
# Check if there are photos attached
media = tmt.find('div', class_='media')
if media:
# Extract photo url and add it to list
pic = str(media.img['src']).strip(':small')
photos.append(pic)
# If no media was specifically added in the tweet, try to get the first picture
# with "twitter:image" meta tag in first linked page in tweet text
if not photos:
m = re.search(r"http[^ \n\xa0]*", tweet_text)
if m is not None:
link_url = m.group(0)
try:
r = requests.get(link_url, timeout=10)
if r.status_code == 200:
# Matches the first instance of either twitter:image or twitter:image:src meta tag
match = re.search(r'<meta name="twitter:image(?:|:src)" content="(.+?)".*?>', r.text)
if match is not None:
url = match.group(1).replace('&amp;', '&') # Remove HTML-safe encoding from URL if any
photos.append(url)
# Give up if anything goes wrong
except (requests.exceptions.ConnectionError,
requests.exceptions.Timeout,
requests.exceptions.ContentDecodingError,
requests.exceptions.TooManyRedirects,
requests.exceptions.MissingSchema):
pass
# Check if video was downloaded
video_file = None
video_path = Path('./output') / twit_account / status_id
if video_path.exists():
# Take the first subdirectory of video path (named after original poster of video)
video_path = [p for p in video_path.iterdir() if p.is_dir()][0]
# Take again the first subdirectory of video path (named after status id of original post where vidoe is attached)
video_path = [p for p in video_path.iterdir() if p.is_dir()][0]
# list video files
video_file_list = list(video_path.glob('*.mp4'))
if len(video_file_list) != 0:
# Extract posix path of first video file in list
video_file = video_file_list[0].absolute().as_posix()
# Add dictionary with content of tweet to list
tweet = {
"author": author,
"author_account": author_account,
"author_logo_url": author_logo_url,
"timestamp": timestamp,
"tweet_id": tweet_id,
"tweet_text": tweet_text,
"video": video_file,
"photos": photos,
}
tweets.append(tweet)
# DEBUG: Print extracted tweets
#for t in tweets:
# print(t)
# **********************************************************
# Iterate tweets in list.
# post each on Mastodon and reference to it in database
# **********************************************************
# Create Mastodon application if it does not exist yet
if not os.path.isfile(mast_instance + '.secret'):
try:
Mastodon.create_app(
'twoot',
api_base_url='https://' + mast_instance,
to_file=mast_instance + '.secret'
)
except MastodonError as me:
print('failed to create app on ' + mast_instance)
sys.exit(1)
# Log in to Mastodon instance
try:
mastodon = Mastodon(
client_id=mast_instance + '.secret',
api_base_url='https://' + mast_instance
)
mastodon.log_in(
username=mast_account,
password=mast_password,
to_file=mast_account + ".secret"
)
except MastodonError as me:
print('ERROR: Login to ' + mast_instance + ' Failed')
print(me)
sys.exit(1)
# Upload tweets
for tweet in reversed(tweets):
# Check that the tweet is not too young (might be deleted) or too old
age_in_hours = (time.time() - float(tweet['timestamp'])) / 3600.0
min_delay_in_hours = min_delay / 60.0
max_age_in_hours = max_age * 24.0
if age_in_hours < min_delay_in_hours or age_in_hours > max_age_in_hours:
# Skip to next tweet
continue
media_ids = []
# Upload video if there is one
if tweet['video'] is not None:
try:
media_posted = mastodon.media_post(tweet['video'])
media_ids.append(media_posted['id'])
except (MastodonAPIError, MastodonIllegalArgumentError, TypeError): # Media cannot be uploaded (invalid format, dead link, etc.)
pass
else: # Only upload pic if no video was uploaded
# Upload photos
for photo in tweet['photos']:
media = False
# Download picture
try:
media = requests.get(photo)
except: # Picture cannot be downloaded for any reason
pass
# Upload picture to Mastodon instance
if media:
try:
media_posted = mastodon.media_post(media.content, mime_type=media.headers['content-type'])
media_ids.append(media_posted['id'])
except (MastodonAPIError, MastodonIllegalArgumentError, TypeError): # Media cannot be uploaded (invalid format, dead link, etc.)
pass
# Post toot
try:
mastodon = Mastodon(
access_token=mast_account + '.secret',
api_base_url='https://' + mast_instance
)
if len(media_ids) == 0:
toot = mastodon.status_post(tweet['tweet_text'], visibility='public')
else:
toot = mastodon.status_post(tweet['tweet_text'], media_ids=media_ids, visibility='public')
except MastodonError as me:
print('ERROR: posting ' + tweet['tweet_text'] + ' to ' + mast_instance + ' Failed')
print(me)
sys.exit(1)
# Insert toot id into database
if 'id' in toot:
db.execute("INSERT INTO toots VALUES ( ? , ? , ? , ? , ? )",
(twit_account, mast_instance, mast_account, tweet['tweet_id'], toot['id']))
sql.commit()
# Cleanup downloaded video files
try:
shutil.rmtree('./output/' + twit_account)
except FileNotFoundError: # The directory does not exist
pass
if __name__ == "__main__":
main(sys.argv)
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