FolderOrganizer

Example Python program FolderOrganizer.py Python version 3.x or newer. To check the Python version use:

python --version

Modules

• import os
• import tkinter
• from tkinter import *

Classes

• class DragDropListbox(tkinter.Listbox):

Methods

• def find(needle, haystack):
• def init(self, master, **kw):
• def setCurrent(self, event):
• def shiftSelection(self, event):
• def update_dict(self, event):

Code

Python tkinter example

import os
import tkinter
from tkinter import *

dict_names = {}

def find(needle, haystack):
    for item in haystack:
        if needle in item:
            return item
    return None

class DragDropListbox(tkinter.Listbox):
    """ A Tkinter listbox with drag'n'drop reordering of entries. """
    def __init__(self, master, **kw):
        kw['selectmode'] = tkinter.SINGLE
        tkinter.Listbox.__init__(self, master, kw)
        self.bind('<Button-1>', self.setCurrent)
        self.bind('<B1-Motion>', self.shiftSelection)
        self.bind('<ButtonRelease-1>', self.update_dict)
        self.curIndex = None

    def setCurrent(self, event):
        self.curIndex = self.nearest(event.y)

    def shiftSelection(self, event):
        i = self.nearest(event.y)
        if i < self.curIndex:
            x = self.get(i)
            self.delete(i)
            self.insert(i+1, x)
            self.curIndex = i
        elif i > self.curIndex:
            x = self.get(i)
            self.delete(i)
            self.insert(i-1, x)
            self.curIndex = i

    def update_dict(self, event):
        for index in range(self.size()):
            dict_names[index] = self.get(index)

subdirs = next(os.walk('.'))[1]

if len(subdirs) > 99:
    print("You can't organize over 100 projects.  Make better life choices.")
    exit()

names = [None]*len(subdirs)
lengths = [None]*len(subdirs)

for i in range(len(subdirs)):
    if subdirs[i][0].isdigit() and subdirs[i][1].isdigit() and subdirs[i][2:5] == " - ":
            names[i] = subdirs[i][5:]
    elif subdirs[i][0].isdigit() and subdirs[i][1:4] == " - ":
            names[i] = subdirs[i][4:]
    else:
        names[i] = subdirs[i]
    lengths[i] = len(names[i])
    dict_names[i] = names[i]

master = Tk()

listbox = DragDropListbox(master, selectmode="BROWSE", width=max(lengths), height=len(names))
for i in range(len(subdirs)):
    listbox.insert(END, names[i])

listbox.pack()
mainloop()

for i, folder in enumerate(names):
    folder = find(dict_names[i], subdirs)
    if folder is None:
        print("Failed to rename ", dict_names[i])
        exit()
    else:
        prepend = "0" if len(subdirs) > 9 and i<9 else ""
        os.rename(folder, prepend+str(i+1)+" - "+str(dict_names[i]))

Useful Links

• Articles: https://python-commandments.org/
• Python shell: https://bsdnerds.org/learn-python/
• Tutorial: https://pythonprogramminglanguage.com/