基于firebird的数据转存

# !/usr/bin/env python
# -*- coding: utf-8 -*-
import fdb
import os
import django

def excute_sql(sql):
    con = fdb.connect(dsn=‘ip:path/***.FDB‘, user=‘your user name‘, password=‘your pwd‘)
    try:
        cur = con.cursor()
        cur.execute(sql)
        return quert_list
    except Exception as e:
        print(‘execute sql %s error, msg is %s‘ % (sql, e.message))
        print (‘execute sql %s error, msg is %s‘ % (sql, e.message))
        raise Exception(‘execute sql %s error, msg is %s‘ % (sql, e.message))
    finally:
        con.close()


def query(model):
    column_list = [‘\"%s\"‘ % f.column for f in model._meta.fields]
    field_list = [f.name for f in model._meta.fields]
    query_field = ‘,‘.join(column_list)
    sql = ‘select %s from %s‘ % (query_field, model._meta.db_table)
    data_list = excute_sql(sql)
    result = []
    for data in data_list:
        data_map = collections.OrderedDict()
        for index in xrange(0, len(data)):
            if data[index] is not None:
                data_map[field_list[index]] = data[index]
        result.append(data_map)
    return result
    
def insert(model):
    data_list = query_from_vnfm(model)
    model.objects.all().delete()
    for data in data_list:
        NfInstModel.objects.create(**nf_data)
        
def init():
    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "***.settings")
    django.setup()
    
if __name__ == ‘__main__‘:
    init()
    from *** import ***
    insert(***)