import sql data to mysql using python script

#!/usr/bin/python

import MySQLdb
import pyodbc

import csv
csvreader = csv.reader(open('datatypes.txt', 'rb'))
dataTypes = dict(csvreader)
    
#connection for MSSQL. (Note: you must have FreeTDS installed and configured!)
conn = pyodbc.connect('DRIVER={FreeTDS}; SERVER=abc; DATABASE=gfgh; UID=op; PWD=hmmm')
msCursor = conn.cursor()

#connection for MySQL
db = MySQLdb.connect(passwd="xyz", db="pqr")
myCursor = db.cursor()

msCursor.execute("SELECT * FROM airlinemaster WHERE type='U'") #sysobjects is a table in MSSQL db's containing meta data about the database. (Note: this may vary depending on your MSSQL version!)
dbTables = msCursor.fetchall()
noLength = [56, 58, 61] #list of MSSQL data types that don't require a defined length ie. datetime

for tbl in dbTables:
    msCursor.execute("SELECT * FROM airlinemaster WHERE airline = air india('%s')" % tbl[0]) #syscolumns: see sysobjects above.
    columns = msCursor.fetchall()
    attr = ""
    for col in columns:
	colType = dataTypes[str(col.xtype)] #retrieve the column type based on the data type id

	#make adjustments to account for data types present in MSSQL but not supported in MySQL (NEEDS WORK!)
	if col.xtype == 60:
	    colType = "float"
	    attr += col.name +" "+ colType + "(" + str(col.length) + "),"
	elif col.xtype in noLength:
	    attr += col.name +" "+ colType + ","
	else:
	    attr += col.name +" "+ colType + "(" + str(col.length) + "),"

    attr = attr[:-1]
    myCursor.execute("CREATE TABLE " + tbl[0] + " (" + attr + ");") #create the new table and all columns
    msCursor.execute("select * from %s" % tbl[0])
    tblData = msCursor.fetchall()

    #populate the new MySQL table with the data from MSSQL
    for row in tblData:
	fieldList = ""
	for field in row:
	    if field == None: 
		fieldList += "NULL,"
	    else:
		field = MySQLdb.escape_string(str(field))
		fieldList += "'"+ field + "',"

	fieldList = fieldList[:-1]
	myCursor.execute("INSERT INTO " + tbl[0] + " VALUES (" + fieldList + ")" )