131 lines
4.6 KiB
Python
131 lines
4.6 KiB
Python
"""
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Facts - display facts, from within a category, from the database
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Copyright (C) 2010 Brian S. Stephan
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import random
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import re
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import sqlite3
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from extlib import irclib
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from Module import Module
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class Facts(Module):
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"""Select a fact from the database.
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Facts are categorized by a name, which may allow for random selection and so on.
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"""
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def __init__(self, irc, config, server):
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"""Set up XML-RPC methods."""
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Module.__init__(self, irc, config, server)
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irc.xmlrpc_register_function(self._get_fact, "facts_get")
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def db_init(self):
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"""Initialize database tables."""
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# init the database if module isn't registered
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version = self.db_module_registered(self.__class__.__name__)
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if version == None:
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db = self.get_db()
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try:
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db.execute('''
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CREATE TABLE facts_facts (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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category TEXT NOT NULL,
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fact TEXT NOT NULL,
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who TEXT NOT NULL,
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userhost TEXT NOT NULL,
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time TEXT DEFAULT CURRENT_TIMESTAMP
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)
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''')
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db.execute('INSERT INTO drbotzo_modules VALUES (?,?)', (self.__class__.__name__, 1))
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db.commit()
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db.close()
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except sqlite3.Error as e:
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db.rollback()
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db.close()
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self.log.error("sqlite error: " + str(e))
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raise
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def do(self, connection, event, nick, userhost, what, admin_unlocked):
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"""Add or retrieve a fact from the database."""
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try:
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db = self.get_db()
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cur = db.cursor()
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match = re.search('^!facts\s+add\s+(\S+)\s+(.*)$', what)
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if match:
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category = match.group(1)
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fact = match.group(2)
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cur.execute('''INSERT INTO facts_facts (category, fact, who, userhost)
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VALUES (?, ?, ?, ?)''', (category, fact, nick, userhost))
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db.commit()
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return self.reply(connection, event, category + ' added.')
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match = re.search('^!facts\s+(\S+)\s+(.*)$', what)
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if match:
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category = match.group(1)
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regex = match.group(2)
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return self.reply(connection, event, self._get_fact(category, regex))
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match = re.search('^!facts\s+(\S+)$', what)
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if match:
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category = match.group(1)
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return self.reply(connection, event, self._get_fact(category))
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db.close()
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except sqlite3.Error as e:
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db.close()
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return self.reply(connection, event, "sqlite error: " + str(e))
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def _get_fact(self, category, search=""):
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"""
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Get a fact in the given category from the database.
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Keyword arguments:
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category - the fact category to query
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search - the optional regex to match against within that category
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"""
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try:
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db = self.get_db()
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cur = db.cursor()
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if search == "":
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category_facts = cur.execute("SELECT * FROM facts_facts WHERE category=?", (category,))
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facts = category_facts.fetchall()
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db.close()
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else:
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category_facts = cur.execute("SELECT * FROM facts_facts WHERE category=? AND fact REGEXP ?",
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(category, search))
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facts = category_facts.fetchall()
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db.close()
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if len(facts) > 0:
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fact = facts[random.randint(1,len(facts))-1]
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return fact['fact'].rstrip().encode('utf-8', 'ignore')
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except sqlite3.Error as e:
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db.close()
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return self.reply(connection, event, "sqlite error in _get_fact: " + str(e))
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# vi:tabstop=4:expandtab:autoindent
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# kate: indent-mode python;indent-width 4;replace-tabs on;
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