108 lines
2.8 KiB
Python
108 lines
2.8 KiB
Python
import setuptools
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import sqlite3, pymysql, pymysql.cursors
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SQLITE = 0
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MYSQL = 1
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MARIADB = MYSQL
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MIN = 0
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MAX = 1
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class dbObject:
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# --------------------------------------------- Initialization -------------------------------------------------
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def initMySQL(self, host, port, user, pwd, db):
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self.conn = pymysql.connect(host = host, port = port, user = user, password = pwd, db = db, charset = "utf8mb4", cursorclass = pymysql.cursors.DictCursor)
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self.cur = self.conn.cursor()
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self.dbtype = MYSQL
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self.host = host
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self.port = port
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self.user = user
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self.pwd = pwd
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self.db = db
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def initSQLite(self, path):
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self.conn = sqlite3.connect(path)
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self.cur = self.conn.cursor()
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self.dbtype = SQLITE
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self.path = path
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def __init__(self, dbtype = SQLITE, path = None, host = None, port = None, user = None, pwd = None, db = None):
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if dbtype == SQLITE:
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self.initSQLite(path or 'Database.db')
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elif dbtype == MYSQL:
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self.initMySQL(host or 'localhost', port or 3306, user, pwd, db)
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else:
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raise ValueError("Unknown database type %s." % str(dbtype))
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# ---------------------------------------------- No more initialization ----------------------------------------
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def closeConnection(self):
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return self.conn.close()
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def commit(self):
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return self.conn.commit()
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def executeQuery(self, query):
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return self.cur.execute(query)
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def getAll(self):
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return self.cur.fetchall()
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def getNext(self):
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return self.cur.fetchone()
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def isInitialized(self):
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try:
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self.executeQuery("SELECT * FROM tweets")
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return True
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except:
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return False
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def getFLDate(self, val = MIN):
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if val == MIN:
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mode = "MIN"
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else:
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mode = "MAX"
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if self.dbtype == SQLITE:
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return setuptools.getDate(str(list(self.executeQuery("SELECT %s(SUBSTR(timestamp,0,11)) FROM tweets" % mode))[0][0]))
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else:
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self.executeQuery("SELECT %s(SUBSTR(timestamp,0,11)) FROM tweets" % mode)
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return setuptools.getDate(str(self.getNext()["%s(SUBSTR(timestamp,0,11))" % mode]))
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def getFollowers(db):
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db.executeQuery("SELECT id FROM followers WHERE `until` IS NULL;")
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for i in db.getAll():
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yield i[0]
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def getFollowing(db):
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db.executeQuery("SELECT id FROM following WHERE `until` IS NULL;")
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for i in db.getAll():
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yield i[0]
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def getLatestMessage(db):
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db.executeQuery("SELECT max(id) FROM messages")
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try:
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return int(db.getNext()[0])
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except:
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return 0
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def getLatestTweet(db):
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db.executeQuery("SELECT max(tweet_id) FROM tweets")
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try:
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return int(db.getNext()[0])
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except:
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return 0
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def dbHelper():
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if setuptools.dbtype() == SQLITE:
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return dbObject(dbtype=SQLITE, path=setuptools.dbpath())
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elif setuptools.dbtype() == MYSQL:
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return dbObject(dbtype=MYSQL, host=setuptools.dbhost(), user=setuptools.dbuser(), pwd=setuptools.dbpass(), db=setuptools.dbname())
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else:
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raise setuptools.SetupException()
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