46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
|
# SPDX-License-Identifier: MPL-2.0
|
||
|
|
|
||
|
|
import sqlite3
|
||
|
|
import markovify
|
||
|
|
|
||
|
|
def make_sentence(cfg):
|
||
|
|
class nlt_fixed(markovify.NewlineText): # modified version of NewlineText that never rejects sentences
|
||
|
|
def test_sentence_input(self, sentence):
|
||
|
|
return True # all sentences are valid <3
|
||
|
|
|
||
|
|
db = sqlite3.connect("toots.db")
|
||
|
|
db.text_factory = str
|
||
|
|
c = db.cursor()
|
||
|
|
if cfg['learn_from_cw']:
|
||
|
|
ignored_cws_query_params = "(" + ",".join("?" * len(cfg["ignored_cws"])) + ")"
|
||
|
|
toots = c.execute(f"SELECT content FROM `toots` WHERE cw IS NULL OR CW NOT IN {ignored_cws_query_params} ORDER BY RANDOM() LIMIT 10000", cfg["ignored_cws"]).fetchall()
|
||
|
|
else:
|
||
|
|
toots = c.execute("SELECT content FROM `toots` WHERE cw IS NULL ORDER BY RANDOM() LIMIT 10000").fetchall()
|
||
|
|
|
||
|
|
if len(toots) == 0:
|
||
|
|
raise ValueError("Database is empty! Try running main.py.")
|
||
|
|
|
||
|
|
nlt = markovify.NewlineText if cfg['overlap_ratio_enabled'] else nlt_fixed
|
||
|
|
|
||
|
|
model = nlt("\n".join(toot[0].replace('\n', ' ') for toot in toots))
|
||
|
|
|
||
|
|
db.close()
|
||
|
|
|
||
|
|
if cfg['limit_length']:
|
||
|
|
sentence_len = randint(cfg['length_lower_limit'], cfg['length_upper_limit'])
|
||
|
|
|
||
|
|
sentence = None
|
||
|
|
tries = 0
|
||
|
|
for tries in range(10):
|
||
|
|
if (sentence := model.make_short_sentence(
|
||
|
|
max_chars=500,
|
||
|
|
tries=10000,
|
||
|
|
max_overlap_ratio=cfg['overlap_ratio'] if cfg['overlap_ratio_enabled'] else 0.7,
|
||
|
|
max_words=sentence_len if cfg['limit_length'] else None
|
||
|
|
)) is not None:
|
||
|
|
break
|
||
|
|
else:
|
||
|
|
raise ValueError("Failed 10 times to produce a sentence!")
|
||
|
|
|
||
|
|
return sentence
|