I wrote a function to export sql query to an excel file, but some how the
excel file wasn't created when the function was call. appreciate any
assistances
here is my view.py
def download_excel(request):
if "selectdate" in request.POST:
if "selectaccount" in request.POST:
selected_date = request.POST["selectdate"]
selected_acc = request.POST["selectaccount"]
if selected_date==selected_date:
if selected_acc==selected_acc:
convert=datetime.datetime.strptime(selected_date,
"%Y-%m-%d").toordinal()
engine=create_engine('mssql+pymssql://username:password@servername
/db')
connection = engine.connect()
metadata=MetaData()
fund=Table('gltrxdet',metadata,autoload=True,autoload_with=engine)
rate=Table('gltrx_all',metadata,autoload=True,autoload_with=engine)
stmt=select([fund.columns.account_code,fund.columns.description,fund.columns.nat_balance,fund.columns.rate_type_home,rate.columns.date_applied,rate.columns.date_entered,fund.columns.journal_ctrl_num,rate.columns.journal_ctrl_num])
stmt=stmt.where(and_(rate.columns.journal_ctrl_num==fund.columns.journal_ctrl_num,fund.columns.account_code==selected_acc,rate.columns.date_entered==convert))
df = pd.read_sql(stmt,connection)
writer = pd.ExcelWriter('C:\excel\export.xls')
df.to_excel(writer, sheet_name ='bar')
writer.save()
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