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adding GUI to a python script

Posted on 2011-02-21
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Last Modified: 2012-05-11
Hi experts,
I wrote a python script that does exactly what I want it to do:
Extract a specific string(s) from a file and copy/write them to a file output.qry.txt.
I would like your assistance or guidance in doing the following modification to the code (code should run on Win XP machine):
I would like to have simple GUI that will request the following items:
1.      File input (for the fileinput)
2.      File output (currenty its always output.qry.txt).

I would appreciate any suggestion or direction,
Thanks in advance.
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Question by:WAS_Infra
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6 Comments
 
LVL 28

Expert Comment

by:pepr
Comment Utility
Do you mean the real GUI (i.e. graphical) or only a kind of prompt in the console?

Use the raw_input() command for the later (http://docs.python.org/library/functions.html#raw_input).

If you mean GUI, you have to decide whether you want to use the included Tcl/Tk based module Tkinter (http://docs.python.org/library/tkinter.html) or some more modern like wxPython or wxQt.
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Author Comment

by:WAS_Infra
Comment Utility
Thanks Pepr for the prompt reply.
I am talking about the real GUI (window and buttons) what is the easiest way to achieve that?
I am attaching my original script below

Thanks in advance,

import fileinput

def findStart(line):
	start = line.find("[part ")
	return start

def getCurrentAndTotal(item):
	myStrList = item[item.find("["):item.find("]")].split(" ")
	#print(myStrList)
	total = int(myStrList[-1])
	current = int(myStrList[1])
	return [current, total]
	
qry = ""
lst = list()
times = list()
results = list()
myLen = len("Performing query: ")

for line in fileinput.input():
	n = findStart(line)
	if (n != -1): 
		lst.append(line[n:])
		times.append(line[:22])
listLen = len(lst)
for index in range(listLen):
	total,current = getCurrentAndTotal(lst[index])
	if (total == current):
		lstStr = lst[index]
		lstStr = lstStr[lstStr.find("Performing query:")+myLen:len(lstStr)-1]
		qry = qry + lstStr
		qry = times[index] + "\n" + qry
		results.append(qry)
		qry = ""
	else:
		lstStr = lst[index]
		lstStr = lstStr[lstStr.find("Performing query:")+myLen:len(lstStr)-1]
		qry = qry + lstStr
		
f = open("output.qry.txt", "w+")
for item in results:
	f.write(item)
	f.write("\n\n")

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Accepted Solution

by:
pepr earned 500 total points
Comment Utility
Here the raw input case:

inputFilename  = raw_input('Input filename : ')
outputFilename = raw_input('Output filename: ')

print
print 'The selected file names'
print 'Input :', inputFilename
print 'Output:', outputFilename

# You can check whether the input filename exists. The import command 
# is usually put to the top of the source file.
#
import os
if os.path.isfile(inputFilename):
    print 'Input file found.'
else:
    print 'Input file missing.'

Open in new window


It prints the following on the screen:

c:\tmp\___python\WAS_Infra\Q_26835902>python a.py
Input filename : fsdfdsfsdf
Output filename: sdfsfsdfsdfs

The selected file names
Input : fsdfdsfsdf
Output: sdfsfsdfsdfs
Input file missing.

Open in new window

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LVL 28

Expert Comment

by:pepr
Comment Utility
For working with the real GUI, you must learn some windowing basics.  The GUI applications are built a bit differently than console applications.  To make it short, this will require more work than the raw_input().

I personally do not use Tkinter, but the following is probably a good tutorial http://www.pythonware.com/library/tkinter/introduction/

I personally do use wxPython (http://www.wxpython.org/).  If you know wxWidgets (http://wxwidgets.org/), it may be your choice.

If you know and/or prefer Qt, then you should use the wxQt.

This may be the decision for a longer time. You should ask for details if you do not know.

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Expert Comment

by:LeeeRussell
Comment Utility
If you choose to use wxPython, you might want to have a look at wxFormBuilder.

http://sourceforge.net/apps/wordpress/wxformbuilder/

This will generate Python GUI code for you from a graphical design that you create.
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LVL 6

Expert Comment

by:LeeeRussell
Comment Utility
Or you could use pepr's code to create a console application in Python and then use AutoIt to create a GUI.

http://www.autoitscript.com/site/autoit/

This method may be slightly easier as I think AutoIT is easier to generate a GUI in.  Also, AutoIt can run any script from a GUI, so might be useful for you in the future.
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