Batch rename

rename.py

import os
import re
from Tkinter import *
from tkFileDialog import *
from tkMessageBox import *

# Tkingter root widget
root = Tk()
# App title
root.title("List Batch Rename")

class App:
    # class initialization
    def __init__(self, master):
        frame = Frame(master)
        frame.pack()

        # defining the buttons
        self.buttonList = Button(frame, text="Select List", command=self.selectList).pack()
        self.buttonDir = Button(frame, text="Select Dir", command=self.selectDir).pack()

        self.labelPrefix = Label(frame, text="Prefix:").pack()
        self.entryPrefix = Entry(frame)
        self.entryPrefix.pack()

        self.labelList = Label(frame, text="List:")
        self.labelList.pack()
        self.labelDir = Label(frame, text="Dir:")
        self.labelDir.pack()
        self.buttonRename = Button(frame, text="Rename", command=self.rename).pack()

    # class methods
    def selectList(self):
        self.pathList = askopenfilename()
        self.labelList.config(text='List: ' + self.pathList)
        print self.pathList

    def selectDir(self):
        self.pathDir = askdirectory()
        self.labelDir.config(text='Dir: ' + self.pathDir)
        print self.pathDir

    def dialogError(self):
        showerror("Error", "Please select List, Dir, and Prefix")

    def rename(self):
        # error checking
        if not hasattr(self, 'pathList'):
            self.dialogError()
            return

        if not hasattr(self, 'pathDir'):
            self.dialogError()
            return

        if self.entryPrefix.get() == "":
            self.dialogError()
            return

        # open file
        f_file = open(self.pathList, 'r')
        for line in f_file:
            for dir_file in os.listdir(self.pathDir):
                a = re.findall('\d{1,3}', line)
                b = re.findall('\d{1,3}', dir_file)

                if a == b:
                    new_name = self.entryPrefix.get() + '_' + dir_file
                    print new_name
                    # WARNING, NOT UNDOABLE! UNCOMMENT THE NEXT LINE TO RENAME YOUR FILES
                    # os.rename (dir_file, new_name)

        f_file.close()
        print "Done"
        showinfo("Complete", "Batch rename complete")

app = App(root)
# enter Tkinger event loop
root.mainloop()