import pypyodbc
import pandas as pd
import os
import ctypes
from pandas import ExcelWriter

fpath = r"C:folder1\DataScience\folder2\SQL Queries"
xlfile = r"C:\folder1\DataScience\folder2\SQL Queries\Open_Case_Data.xlsx"
cnxn = pypyodbc.connect('Driver={SQL Server};Server=MyServername;Database=mydbname;Trusted_Connection=Yes')
cursor = cnxn.cursor()

for subdir, dirs, files in os.walk(fpath):
    for file in files:
        #print(os.path.join(subdir,file))
        filepath = os.path.join(subdir,file)
        #print("FilePath: ", filepath)

        if filepath.endswith(".txt"):
            if file != "ClosedAging_Cont.txt":
                txtdata = open(filepath, 'r')
                script = txtdata.read().strip()
                txtdata.close()
                cursor.execute(script)
                if file == "ClosedAging.txt":
                    txtdata = open(os.path.join(subdir,"ClosedAging_Cont.txt"), 'r')
                    script = txtdata.read().strip()
                    txtdata.close()
                    cursor.execute(script)

                col = [desc[0] for desc in cursor.description]
                data = cursor.fetchall()
                df = pd.DataFrame(list(data),columns=col)

                #save_xls(df,xlfile)

                writer = pd.ExcelWriter(xlfile)
                flnm = file.replace('.txt','').strip()
                df.to_excel(writer,sheet_name=flnm,index=False)
                writer.save()

                print(file, " : Successfully Updated.")
            else:
                print(file, " : Ignoring this File")
        else:
            print(file, " : Ignoring this File")

ctypes.windll.user32.MessageBoxW(0,"Open Case Reporting Data Successfully Updated","Open Case Reporting",1)