[TD-1744]<test> PythonChecker

tests/examples/python/PYTHONConnectorChecker/PythonChecker.py

+import taos
+import time 
+import sys
+import getopt
+class ConnectorChecker:
+    def init(self):  
+        self.host = "127.0.0.1"
+        self.dbName = "test"
+        self.tbName = "weather"
+        self.user = "root"
+        self.password = "taosdata"
+        
+       
+    def sethdt(self,FQDN,dbname,tbname):
+        if(FQDN):
+            self.host=FQDN
+        if(dbname):
+            self.dbname=dbname
+        if(tbname):
+            self.tbName
+    def printSql(self,sql,elapsed):
+        print("[ "+"OK"+" ]"+" time cost: %s ms, execute statement ====> %s"
+                   %(elapsed,sql))
+    def executeQuery(self,sql):
+        try:
+            start=time.time()
+            execute = self.cl.execute(sql)
+            elapsed = (time.time()-start)*1000
+            self.printSql(sql,elapsed)
+            data = self.cl.fetchall()
+            numOfRows = self.cl.rowcount
+            numOfCols = len(self.cl.description)
+            for irow in range(numOfRows):
+                print("Row%d: ts=%s, temperature=%d, humidity=%f" %(irow, data[irow][0], data[irow][1],data[irow][2]))
+        except Exception as e:
+            print("Failure sql: %s,exception: %s" %sql,str(e))  
+    def execute(self,sql):
+        try:
+            start=time.time()
+            execute = self.cl.execute(sql)
+            elapsed = (time.time()-start)*1000
+            self.printSql(sql,elapsed)
+           
+        except Exception as e:
+            print("Failure sql: %s,exception: %s" %
+                sql,str(e))
+    def close(self):
+        self.cl.close()
+        self.conn.close()
+    def createDatabase(self):
+        sql="create database if not exists %s" % self.dbName
+        self.execute(sql)
+    def useDatabase(self):
+        sql="use %s" % self.dbName
+        self.execute(sql)
+    def createTable(self):
+        sql="create table if not exists %s.%s (ts timestamp, temperature float, humidity int)"%(self.dbName,self.tbName)
+        self.execute(sql)
+    def checkDropTable(self):
+        sql="drop table if exists " + self.dbName + "." + self.tbName + ""
+        self.execute(sql)
+    def checkInsert(self):
+        sql="insert into test.weather (ts, temperature, humidity) values(now, 20.5, 34)"
+        self.execute(sql)
+    def checkSelect(self):
+        sql = "select * from test.weather"
+        self.executeQuery(sql)
+    def srun(self):
+        print(self.host)
+        try:
+            self.conn = taos.connect(host=self.host,user=self.user,password=self.password)
+            #self.conn = taos.connect(self.host,self.user,self.password)
+        except Exception as e:
+            print("connection failed: %s"%self.host)
+            exit(1)
+        print("[ OK ] Connection established.")
+        self.cl = self.conn.cursor()
+
+def main(argv):
+    FQDN=''
+    dbname=''
+    tbname=''
+    try:
+      opts, args = getopt.getopt(argv,"h:d:t:",["FQDN=","ifile=","ofile="])
+    except getopt.GetoptError:
+        print ('PYTHONConnectorChecker.py -h <FQDN>')
+        sys.exit(2)
+    for opt, arg in opts:
+        if opt in ("-h", "--FQDN"):
+            FQDN=arg
+        elif opt in ("-d", "--dbname"):
+            dbname = arg
+        elif opt in ("-t", "--tbname"):
+            tbname = arg
+   
+    checker = ConnectorChecker()
+    checker.init()
+    checker.sethdt(FQDN,dbname,tbname)
+    checker.srun()
+    checker.createDatabase()
+    checker.useDatabase()
+    checker.checkDropTable()
+    checker.createTable()
+    checker.checkInsert()
+    checker.checkSelect()
+    checker.checkDropTable()
+    checker.close()
+
+
+
+if __name__ == "__main__":
+    main(sys.argv[1:])
+           
+