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karma data store moved to sqlite

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This commit is contained in:
Mike Bloy 2010-10-24 13:05:16 -05:00
parent 6a67795b18
commit 98f07105bc
2 changed files with 50 additions and 42 deletions
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3
Module.py
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@ -308,7 +308,8 @@ class Module(object):
version = None
try:
cur = conn.cursor()
cur.execute("SELECT version FROM drbotzo_modules WHERE module = ?", modulename)
cur.execute("SELECT version FROM drbotzo_modules WHERE module = :name",
{'name': modulename})
version = cur.fetchone()
if (version != None):
version = version[0]

89
modules/Karma.py
View File

@ -15,7 +15,6 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import re
import shelve
from Module import Module
@ -31,18 +30,41 @@ class Karma(Module):
Module.__init__(self, config, server, modlist)
filename = self.config.get(self.__class__.__name__, 'karmafile')
self.karmafile = filename + "_karma.dat"
self.trendfile = filename + "_trends.dat"
pattern = "([a-zA-Z0-9_]+)"
karmapattern = '^' + pattern + '(\+\+|--)'
querypattern = '^!rank\s+' + pattern
self.karmare = re.compile(karmapattern)
self.queryre = re.compile(querypattern)
# need to init the database if karma tables don't already exist
version = self.db_module_registered(self.__class__.__name__)
if (version == None):
# have to create the database tables
conn = self.get_db()
try:
conn.execute('''
CREATE TABLE karma_log (
id INTEGER PRIMARY KEY AUTOINCREMENT,
key TEXT NOT NULL,
delta INTEGER NOT NULL,
who TEXT NOT NULL,
userhost TEXT NOT NULL,
karmatime TEXT DEFAULT CURRENT_TIMESTAMP
)''')
conn.execute('CREATE INDEX karma_log_key_ix ON karma_log (key)')
conn.execute('CREATE INDEX karma_log_who_ix ON karma_log (who)')
conn.execute('''
CREATE VIEW karma_values AS
SELECT key, SUM(delta) AS value
FROM karma_log
GROUP BY key''')
sql = 'INSERT INTO drbotzo_modules VALUES (?,?)'
conn.execute(sql, (self.__class__.__name__, 1))
conn.commit()
finally: conn.close()
def do(self, connection, event, nick, userhost, replypath, what, admin_unlocked):
"""look for karma strings at the start of messages"""
@ -64,35 +86,15 @@ class Karma(Module):
else:
value = -1;
# do karma recording
karma = shelve.open(self.karmafile)
conn = self.get_db()
try:
oldvalue = 0;
if karma.has_key(key):
oldvalue = karma[key]
newvalue = oldvalue + value;
karma[key] = newvalue;
finally:
karma.close()
trend = shelve.open(self.trendfile)
try:
nickpos = nick + "_pos"
nickneg = nick + "_neg"
trend_pos = 0;
trend_neg = 0;
if trend.has_key(nickpos):
trend_pos = trend[nickpos]
if trend.has_key(nickneg):
trend_neg = trend[nickneg]
if value > 0:
trend_pos = trend_pos + 1
else:
trend_neg = trend_neg + 1
trend[nickpos] = trend_pos;
trend[nickneg] = trend_neg;
finally:
trend.close();
sql = '''
INSERT INTO karma_log (key, delta, who, userhost)
VALUES (?, ?, ?, ?)
'''
conn.execute(sql, (key, value, nick, userhost))
conn.commit()
finally: conn.close()
reply = "karma change for '" + key + "' (" + str(value) + ") by " + nick
self.reply(connection, replypath, reply)
@ -101,14 +103,19 @@ class Karma(Module):
match = self.queryre.match(what)
key = match.group(1)
karma = shelve.open(self.karmafile, "r")
reply = key + ' has no karma'
conn = self.get_db()
reply = '{nick}: {key} has no karma'.format(nick=nick, key=key)
try:
if karma.has_key(key):
value = karma[key]
reply = key + ' has ' + str(value) + ' points of karma'
finally:
karma.close()
query = '''
SELECT value
FROM karma_values
WHERE key = :key
'''
value = conn.execute(query, {'key': key}).fetchone()
if (value != None):
reply = '{nick}: {key} has {value[0]!s} points of karma'.format(nick=nick, key=key, value=value)
finally: conn.close()
self.reply(connection, replypath, reply)