73 lines
2.9 KiB
Python
73 lines
2.9 KiB
Python
import random
|
|
from src import ModuleManager, utils
|
|
|
|
class Module(ModuleManager.BaseModule):
|
|
def _on_load(self):
|
|
if not self.bot.database.has_table("markov"):
|
|
self.bot.database.execute("""CREATE TABLE markov
|
|
(channel_id INTEGER, first_word TEXT, second_word TEXT,
|
|
third_word TEXT, frequency INT,
|
|
FOREIGN KEY (channel_id) REFERENCES channels(channel_id),
|
|
PRIMARY KEY (channel_id, first_word, second_word))""")
|
|
|
|
@utils.hook("received.message.channel")
|
|
def channel_message(self, event):
|
|
words = event["message_split"]
|
|
words_n = len(words)
|
|
if words_n > 2 and event["channel"].get_setting("markov", False):
|
|
|
|
inserts = []
|
|
inserts.append([None, None, words[0]])
|
|
inserts.append([None, words[0], words[1]])
|
|
|
|
for i in range(words_n-2):
|
|
inserts.append(words[i:i+3])
|
|
|
|
inserts.append([words[-2], words[-1], None])
|
|
inserts.append([words[-1], None, None])
|
|
|
|
for insert in inserts:
|
|
frequency = self.bot.database.execute("""SELECT frequency
|
|
FROM markov WHERE channel_id=? AND first_word=?
|
|
AND second_word=? AND third_word=?""",
|
|
[event["channel"].id]+insert)
|
|
frequency = (frequency or [0])[0]+1
|
|
|
|
self.bot.database.execute(
|
|
"INSERT OR REPLACE INTO markov VALUES (?, ?, ?, ?, ?)",
|
|
[event["channel"].id]+insert+[frequency])
|
|
|
|
print(self.generate(event["channel"].id))
|
|
|
|
def _choose(self, words):
|
|
words, frequencies = list(zip(*words))
|
|
return random.choices(words, weights=frequencies, k=1)[0]
|
|
|
|
def generate(self, channel_id):
|
|
first_words = self.bot.database.execute_fetchall("""SELECT third_word,
|
|
frequency FROM markov WHERE channel_id=? AND first_word IS NULL AND
|
|
second_word IS NULL AND third_word NOT NULL""", [channel_id])
|
|
if not first_words:
|
|
return None
|
|
first_word = self._choose(first_words)
|
|
|
|
second_words = self.bot.database.execute_fetchall("""SELECT third_word,
|
|
frequency FROM markov WHERE channel_id=? AND first_word IS NULL AND
|
|
second_word=? AND third_word NOT NULL""", [channel_id, first_word])
|
|
if not second_words:
|
|
return None
|
|
second_word = self._choose(second_words)
|
|
|
|
words = [first_word, second_word]
|
|
for i in range(30):
|
|
two_words = words[-2:]
|
|
third_words = self.bot.database.execute_fetchall("""SELECT
|
|
third_word, frequency FROM markov WHERE channel_id=? AND
|
|
first_word=? AND second_word=?""", [channel_id]+two_words)
|
|
|
|
third_word = self._choose(third_words)
|
|
if third_word == None:
|
|
break
|
|
words.append(third_word)
|
|
|
|
return " ".join(words)
|