Can't delete a file in Python script.

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Posts: 4
Joined: Sun Dec 13, 2009 1:34 pm
Location: Netherlands

Can't delete a file in Python script.

Post by l-extreme » Tue Jan 26, 2010 8:45 am

Hello my name is Lex and I am new to the beautiful world of EventGost.

I like it very much and tried some things after reading the forum.
I saw that some people had problems doing something with the file name you get from the “DirectoryWatcher".
I make some Python code that used the “DirectoryWatcher" and I hope that it can be used by these people.
I am new to Python, so if thing can be done better, let me now.
I have one error in the script that I can't fix, let me explain:

The code takes a file and print the content on a label printer.
It use the “DirectoryWatcher" to get the file and read the content, take that and send it to an automation control (Brother SDK) to print it to the Brother QL-560 printer.
Everyone who puts an file into the directory checked by the “DirectoryWatcher" gets a label from the Brother printer (witch is a non-network, local printer).
That work fine.
The only thing what not works is to delete the file afterwards.
The error I get is:
Traceback (most recent call last):
Python script "10", line 38, in <module>
WindowsError: [Error 32] Het proces heeft geen toegang tot het bestand omdat het door een ander
proces wordt gebruikt: 'C:\\\\test\\\\Testadres.txt'

Translation of the Dutch Error:
The process can not access the file because it is used by another process:

I tried to delete the file in another Python script but that give the same error.

The content of the file is like this:
NAME=Lex Test
ADRESS=Test street no. 65

The Python code is:

Code: Select all

import os, win32com.client

p = eg.event.payload
a = str(p)
a = a.split("'")
filename = a[1]
print 'Filename = ' + filename #for test

file = open(filename, 'r');
name = ""
adress = ""
postcode = ""
city = ""
country = ""

while 1:
    line = file.readline()
    if line == '':
    i = line.find("=")
    if line[0:i] == "NAME":
        name = line[i + 1:]
    if line[0:i] == "ADRESS":
        adress = line[i + 1:]
    if line[0:i] == "POSTCODE":
        postcode = line[i + 1:]
    if line[0:i] == "CITY":
        city = line[i + 1:]
    if line[0:i] == "COUNTRY":
        country = line[i + 1:]    
print name, adress, postcode, city, country # for test

eg.globals.filename = filename


  The code below only works if you have the 
  Brother SDK and USB printer driver installed.

Brother = win32com.client.Dispatch("BrssCom.Document")
bRet ="C:\Program Files\Brother bPAC SDK\Templates\Adreslabel.lbl")
print bRet
if bRet == True:
   Brother.SetText(0, name)
   Brother.SetText(1, adress)
   Brother.SetText(2, postcode)
   Brother.SetText(3, city)
   Brother.SetText(4, country)
   Brother.DoPrint(0, "Label, 1")
#bRet = Brother.close()

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Re: Can't delete a file in Python script.

Post by Bitmonster » Wed Jan 27, 2010 11:00 am

l-extreme wrote:

Code: Select all

Please post software-related questions in the forum - PMs will only be answered, if really private, thanks!

Posts: 4
Joined: Sun Dec 13, 2009 1:34 pm
Location: Netherlands

Re: Can't delete a file in Python script.

Post by l-extreme » Wed Jan 27, 2010 2:24 pm

is it so easy?

Yes it is!!!

Thank you.

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