first cut at a database-driven fact storage module.

may still be a bit brittle
This commit is contained in:
Brian S. Stephan 2010-10-29 00:00:55 -05:00
parent 487e997a55
commit b5e71d677f
1 changed files with 90 additions and 0 deletions

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modules/Facts.py Normal file
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"""
Facts - display facts, from within a category, from the database
Copyright (C) 2010 Brian S. Stephan
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
import random
import re
import sqlite3
from extlib import irclib
from Module import Module
class Facts(Module):
"""
Select a fact from the database. Facts are categorized by a name,
which may allow for random selection and so on.
"""
def db_init(self):
"""
Initialize database tables.
"""
# init the database if module isn't registered
version = self.db_module_registered(self.__class__.__name__)
if version == None:
db = self.get_db()
try:
db.execute('''
CREATE TABLE facts_facts (
id INTEGER PRIMARY KEY AUTOINCREMENT,
category TEXT NOT NULL,
fact TEXT NOT NULL,
who TEXT NOT NULL,
userhost TEXT NOT NULL,
time TEXT DEFAULT CURRENT_TIMESTAMP
)
''')
db.execute('INSERT INTO drbotzo_modules VALUES (?,?)', (self.__class__.__name__, 1))
db.commit()
except sqlite3.Error as e:
db.rollback()
print("sqlite error: " + str(e))
raise
def do(self, connection, event, nick, userhost, replypath, what, admin_unlocked):
whats = what.split(' ')
if whats[0] == 'facts' and len(whats) >= 2:
db = self.get_db()
try:
cur = db.cursor()
if len(whats) == 2:
category_facts = cur.execute('SELECT * FROM facts_facts WHERE category=?', (whats[1],))
else:
# before doing a query, see if this is actually an add attempt
if whats[1] == 'add' and len(whats) >= 4:
cur.execute('''INSERT INTO facts_facts (category, fact, who, userhost)
VALUES (?, ?, ?, ?)''', (whats[2], ' '.join(whats[3:]), nick, userhost))
db.commit()
return self.reply(connection, replypath, "fact added")
else:
category_facts = cur.execute('SELECT * FROM facts_facts WHERE category=? AND fact REGEXP ?', (whats[1], ' '.join(whats[2:])))
facts = category_facts.fetchall()
if len(facts) > 0:
fact = facts[random.randint(1,len(facts))-1]
# success
return self.reply(connection, replypath, fact['fact'].rstrip())
except sqlite3.Error as e:
return self.reply(connection, replypath, "sqlite error: " + str(e))
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