Check in first version of dbtools

This commit is contained in:
Klaus-Uwe Mitterer 2016-04-07 23:57:22 +02:00
parent 77e66918db
commit e0abdf0a56

64
dbtools/__init__.py Normal file
View file

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import sqlite3, pymysql, pymysql.cursors
SQLITE = 0
MYSQL = 1
MARIADB = MYSQL
class dbObject:
# --------------------------------------------- Initialization -------------------------------------------------
def initMySQL(self, host, port, user, pwd, db):
self.conn = pymysql.connect(host = host, port = port, user = user, password = pwd, db = db, charset = "utf8mb4", cursorclass = pymysql.cursors.DictCursor)
self.cur = conn.cursor()
self.dbtype = MYSQL
self.host = host
self.port = port
self.user = user
self.pwd = pwd
self.db = db
def initSQLite(self, path):
self.conn = sqlite3.connect(path)
self.cur = self.conn.cursor()
self.dbtype = SQLITE
self.path = path
def __init__(self, dbtype = SQLITE, path = 'Database.db', host = None, port = None, user = None, pwd = None, db = None):
if dbtype == SQLITE:
self.initSQLite(path)
elif dbtype == MYSQL:
self.initMySQL(host, port or 3306, user, pwd, db)
else:
raise ValueError("Unknown database type %s." % str(dbtype))
# ---------------------------------------------- No more initialization ----------------------------------------
def closeConnection(self):
return self.conn.close()
def commit(self):
return self.conn.commit()
def executeQuery(self, query):
return self.cur.execute(query)
def getNext(self):
return self.cur.fetchone()
def isInitialized(self):
try:
self.executeQuery("SELECT * FROM tweets")
return True
except:
return False
def getFLDate(self, val = 0):
if val == 0:
mode = "MIN"
else:
mode = "MAX"
return getDate(str(list(self.executeQuery("SELECT %s(SUBSTR(timestamp,0,11)) FROM tweets" % mode))[0][0]))