114 lines
3.9 KiB
Python
114 lines
3.9 KiB
Python
import re
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import telethon
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import yaml
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import pgbotlib.api
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import pgbotlib.dbstuff
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import pgbotlib.misc
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def get_token(token_name: str, token_regex: list) -> tuple:
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regex = []
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for i in token_regex:
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regex.append(re.compile(i))
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return token_name, regex
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def get_tokens(path: str) -> list:
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with open(path, 'r', encoding='utf-8') as data:
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tokens = yaml.safe_load(data.read())
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return [get_token(i, tokens[i]) for i in tokens]
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class Responder:
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def __init__(self, config: dict,
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client: telethon.TelegramClient,
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db_connection: pgbotlib.dbstuff.DBConn,
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namegen: pgbotlib.misc.NameGenerator) -> None:
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# apiregex matches "{apiname}optional data"
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# message itself is also passed to the api call method
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self.enabled = True
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self.apiregex = re.compile(r'^\{(\w+)\}(.+)?$')
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self.namegen = pgbotlib.misc.NameGenerator(config, db_connection)
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self.tokens = get_tokens(config.get('response_tokens', 'tokens.yml'))
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self.chats = config['chats']
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self.api = pgbotlib.api.ApiWrapper(self.tokens, db_connection)
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self.db_connection = db_connection
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self.client = client
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def tokenize(self, message: str) -> frozenset:
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tokens = set()
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for token, regexi in self.tokens:
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for regex in regexi:
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if regex.search(message):
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tokens.add(token)
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break
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return frozenset(tokens)
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def __get_keys(self) -> dict:
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result = {}
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query = 'SELECT DISTINCT tokens FROM responses'
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for i in self.db_connection.query_raw(query, tuple()):
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result[frozenset(i[0].split(','))] = i[0]
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return result
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def __response_choice(self, key: str) -> str:
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return self.db_connection.query_random(
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"SELECT response FROM responses WHERE tokens = %s", (key,))
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def enable(self) -> None:
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self.enabled = True
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def disable(self) -> None:
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self.enabled = False
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def is_enabled(self) -> bool:
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return self.enabled
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def get_response(self, tokens: frozenset) -> str:
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counter = 0
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keys = self.__get_keys()
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for items, string in keys.items():
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if items <= tokens:
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# check for priority tokens
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for token in items:
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if token.startswith('!'):
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return self.__response_choice(string)
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match_length = len(items & tokens)
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if match_length > counter:
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counter = match_length
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key = string
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if not counter:
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return None
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return self.__response_choice(key)
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def api_match(self, response: str, message: str) -> str:
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match = self.apiregex.search(response)
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if not match:
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return response
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api_spec = match.groups()
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return self.api.call(*api_spec, message)
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async def username(self, response: str,
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event: telethon.events.common.EventBuilder) -> str:
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if '<username>' not in response:
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return response
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sender = await event.get_sender()
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username = self.namegen.get_name(sender)
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return response.replace('<username>', username)
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async def respond(self,
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event: telethon.events.common.EventBuilder) -> None:
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if not self.enabled:
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return None
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chat_id = telethon.utils.get_peer_id(event.message.peer_id)
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if chat_id not in self.chats:
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return None
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message = event.message.text.lower()
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tokens = self.tokenize(message)
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response = self.get_response(tokens)
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if not response:
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return None
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response = self.api_match(response, message)
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response = await self.username(response, event)
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await self.client.send_message(event.message.peer_id, response)
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