wantzel.py 7.37 KB
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#encoding: utf-8
"""
Bot Wantzel de La Quadrature du Net

Pour utiliser l'accès à une base de données MySQL :
- apt-get install libmysqlclient-dev
- pip install mysql-python
"""

from irc import IrcClientFactory
import json
import MySQLdb
import re
from twisted.internet import reactor
import urllib

import config
from messages import messages

class Wantzel(object):
    """
    Wantzel bot.
    """
    def __init__(self):
        """
        Initialization of bot over IRC.
        """
        self.irc = IrcClientFactory(config)
        self.irc.set_privmsg = self.set_privmsg
        reactor.connectTCP(config.server, config.port, self.irc)

    def set_privmsg(self):
        """
        This method set the methods to call for each callback received from IRC.
        """
        self.irc.client.privmsg = self.on_privmsg
        self.irc.client.joined = self.on_joined
        #self.irc.client.left = self.on_left
        #self.irc.client.noticed = self.on_noticed
        #self.irc.client.modeChanged = self.on_mode_changed
        #self.irc.client.kickedFrom = self.on_kicked_from
        #self.irc.client.nickChanged = self.on_nick_changed
        #self.irc.client.userJoined = self.on_user_joined
        #self.irc.client.userLeft = self.on_user_left
        #self.irc.client.userQuit = self.on_user_quit
        #self.irc.client.userKicked = self.on_user_kicked
        #self.irc.client.action = self.on_action
        #self.irc.client.topicUpdated = self.on_topic_updated
        #self.irc.client.userRenamed = self.on_user_renamed

    def send_message(self, channel, messages):
        """
        Sends a message on specified channel, cutting each line in a new message
        """
        for message in messages.splitlines():
            self.irc.client.msg(channel, message)

    def on_privmsg(self, user, channel, msg):
        """
        Wantzel can understand some commands :
        - help
            Returns a message about how to use the bot.
            If a command is passed after help, the message explains how to use
            the command. 
        - rp(acp)
        - stats
        - quote
        - tc
        - kill
        """
        # Cleaning user name
        user = re.search("([^!]*)!", user).group(1) 
        print("Message reçu: %s %s %s" % (user, channel, msg))
        # Help command, specific
        if "wantzel" in msg and ("help" in msg or "aide" in msg):
            self.help(user, channel, msg)
        # Find command with parameters
        command = re.search("!(rp[acp]*|quote|tc|kill) ", msg)
        if not command:
            # Find command without parameters
            command = re.search("^!(help|stats)$", msg)
        if command:
            print("Commande reçue: %s" % command.group(1))
            command = command.group(1)
            if command.startswith("rp"):
                self.rp(command, user, channel, msg)
            elif command=="help":
                self.help(user, channel, msg)
            elif command=="kill":
                self.kill(user, channel, msg)
            elif command=="stats":
                self.stats(user, channel, msg)
            elif command=="quote":
                self.quote(user, channel, msg)
            elif command=="tc":
                self.tc(user, channel, msg)

    def on_joined(self, channel):
        """
        Say hello to everyone.
        """
        print("Canal %s rejoint" % channel)
        self.send_message("#mytipy", messages["hello"])

    def help(self, user, channel, msg):
        """
        Show global help.
        If a known command is behind the !help command, an adequate message is
        returned.
        """
        print("help command")
        self.send_message(channel, messages["help"])

    def rp(self, command, user, channel, msg):
        """
        Adding the article in rp database.
        """
        print("rp command %s" % command)
        cite = 0
        note = 0
        # On récupère tout ce qui suit la commande !rp
        url = re.search("!rp (.*)", msg).group(1)
        # On nettoie tout ce qui est http
        url = re.search("(https?://)?(.*)", url).group(2)
        # On vire l'ancre si elle existe
        url = re.search("([^#]*)", url).group(0)
        # On se débarasse des trackers
        url = re.sub("", "", url)
        print("url: %s" % url)

        # On vérifie ensuite l'existence de l'url dans la base de données
        db = MySQLdb.connect(host="localhost", user="root", passwd="root", db="site")
        cursor = db.cursor()
        cursor.execute("SELECT id, note, provenance FROM presse WHERE url = %s", (url, ))
        rows = cursor.fetchall()
        if not rows:
            # LQdN is quoted
            if "c" in command:
                cite += 2
            # the article speak about LQdN
            if command.count("p")>1:
                cite += 2
            # Archive this article
            if "a" in command:
                note -= 2
            #TODO: Gérer les autres champs qui n'ont pas de valeur par défaut
            result = cursor.execute(
                "INSERT INTO presse SET url=%s, provenance=%s, cite=%s, note=%s, datec=NOW()",
                (url, user, cite, note)
            )
            self.send_message(channel, messages["merci_nouvel_article"] % user)
        else:
            print("Ajout d'un point par %s sur %s" % (rows[0][2], rows[0][0]))
            if rows[0][2]!=user:
                result = cursor.execute(
                    "UPDATE presse SET note=note+1 WHERE id=%s",
                    (rows[0][0], )
                )
            if (rows[0][1]+1)<3:
                self.send_message(channel, messages["merci_article_connu"] % user)
            else:
                self.send_message(channel, messages["merci_article_repris"] % user)

    def kill(self, user, channel, msg):
        """
        Kill an article by removing 100 points to its score.
        """
        print("kill command")
        pass

    def stats(self, user, channel, msg):
        """
        Returns stats on articles in press review.
        """
        print("stats command")
        db = MySQLdb.connect(host="localhost", user="root", passwd="root", db="site")
        cursor = db.cursor()
        periods = [1, 3, 7, 15]
        notes = [0, 3 ,4]
        notnull = 0
        somethingatall = 0
        result = ""
        for note in notes:
            notnull = 0
            result = result + " note: %s => " % note
            for period in periods:
                cursor.execute(
                    """SELECT COUNT(id) AS cid FROM presse 
                    WHERE nid=0
                    AND datec>(NOW()-INTERVAL %s DAY)
                    AND note>=%s""",
                    (period, note)
                )
                rows = cursor.fetchall()
                if rows[0][0]>0:
                    result = result + "%sj:%s, " % (period, rows[0][0])
                    notnull = 1
                    somethingatall=1
            if notnull:
                result = result[:-2] + "\n"
        if not somethingatall:
            #TODO: Bravo!
            result = "Bravo!"
        self.send_message(channel, result)

    def quote(self, user, channel, msg):
        """
        Record a quote of a VIP during debates.
        """
        print("quote command")
        pass

    def tc(self, user, channel, msg):
        """
        Timecode...
        """
        print("tc command")
        pass

if __name__ == '__main__':
    wantzel = Wantzel()
    reactor.run()