pleroma-ebooks/third_party/utils.py

93 lines
2.8 KiB
Python

# SPDX-License-Identifier: EUPL-1.2
import re
import os
import sys
import html
import enum
import json
import shutil
import sqlite3
import argparse
import itertools
import json5 as json
import multiprocessing
import anyio.to_process
from random import randint
from bs4 import BeautifulSoup
TextGenerationMode = enum.Enum('TextGenerationMode', """
markov
gpt_2
""".split())
def arg_parser_factory(*, description):
parser = argparse.ArgumentParser(description=description)
parser.add_argument(
'-c', '--cfg', dest='cfg', default='config.json', nargs='?',
help='Specify a custom location for the config file.'
)
return parser
def parse_args(*, description):
return arg_parser_factory(description=description).parse_args()
def load_config(cfg_path):
with open('config.defaults.json') as f:
cfg = json.load(f)
with open(cfg_path) as f:
cfg.update(json.load(f))
if not cfg['site'].startswith('https://') and not cfg['site'].startswith('http://'):
print("Site must begin with 'https://' or 'http://'. Value '{0}' is invalid - try 'https://{0}' instead.".format(cfg['site']), file=sys.stderr)
sys.exit(1)
if not cfg.get('access_token'):
print('No authentication info', file=sys.stderr)
print('Get a client id, client secret, and access token here: https://tools.splat.soy/pleroma-access-token/', file=sys.stderr)
print('Then put `access_token` in your config file.', file=sys.stderr)
sys.exit(1)
cfg['generation_mode'] = TextGenerationMode.__members__[cfg['generation_mode']]
cfg.setdefault('db_path', 'posts.db')
return cfg
def remove_mentions(cfg, sentence):
# optionally remove mentions
if cfg['mention_handling'] == 1:
return re.sub(r"^\S*@\u200B\S*\s?", "", sentence)
elif cfg['mention_handling'] == 0:
sentence = re.sub(r"\S*@\u200B\S*\s?", "", sentence)
return sentence
async def make_post(cfg, *, mode=TextGenerationMode.markov):
if mode is TextGenerationMode.markov:
from generators.markov import make_sentence
elif mode is TextGenerationMode.gpt_2:
from generators.gpt_2 import make_sentence
return await anyio.to_process.run_sync(make_sentence, cfg)
def extract_post_content(text):
soup = BeautifulSoup(text, "html.parser")
for el in soup.select('br'): # replace <br> with linebreak
el.replace_with('\n')
for ht in soup.select("a.hashtag, a.mention"): # convert hashtags and mentions from links to text
ht.unwrap()
# TODO glitch-soc and pleroma let you use custom link text. think about how we should handle that.
for link in soup.select("a"): # convert <a href='https://example.com'>example.com</a> to just https://example.com
if 'href' in link:
# apparently not all a tags have a href,
# which is understandable if you're doing normal web stuff, but on a social media platform??
link.replace_with(link["href"])
for el in soup.select('p'):
el.replace_with('\n' + el.get_text() + '\n')
return soup.get_text().strip()