main.py

import os
import pathlib
from pip._vendor.distlib.compat import raw_input


def alphabitical(dir):
    # this method sorts the filenames in alphabitical order, displays the new order and renames the files based on user specifications.
    # array: file names without path
    array = sorted(os.listdir(dir))
    # arraydirs: file names with path (sorted)
    arraydirs = []
    # loops through all file names in the array
    for x in array:
        # if the directory doesnt end with "\". this statement will add "\" after the file path to insure that the path is correct
        if dir[len(dir) - 1] == chr(92):
            line = dir + x
        else:
            line = dir + '\\' + x
        # adds line to the array
        arraydirs.append(line)
    # prints the new order.
    print('---------------------')
    print('Sorting order:')
    print('---------------------')
    for x in arraydirs:
        print(x)
    print('---------------------')
    #correctInput: to indecate if the loop should be repeated or not
    correctInput = False
    while not correctInput:
        newFileName = raw_input("Enter the new file name: ")
        if not newFileName.isalpha():
            print('Error: Wrong input. only alphabets are allowed.')
            correctInput = False

        else:
            correctInput = True
            counter = 1

            for x in arraydirs:
                #renaming each file
                print('Renaming (' + x + ') ...')
                ext = pathlib.Path(x).suffix
                os.rename(x, dir + '\\' + newFileName + ' ' + str(counter) + ext)
                counter += 1


def bySize(dir):
    # this method sorts the filenames in by size, displays the new order and renames the files based on user specifications.
    # array: file names without path
    array = os.listdir(dir)
    # arraydirs: file names with path (sorted)
    arraydirs = []

    for x in array:
        # if the directory doesnt end with "\". this statement will add "\" after the file path to insure that the path is correct
        if dir[len(dir) - 1] == chr(92):
            line = dir + x
        else:
            line = dir + '\\' + x
        arraydirs.append(line)
    #sorting format (by size)
    arraydirs.sort(key=lambda f: os.stat(f).st_size, reverse=True)
    # prints the new order.
    print('---------------------')
    print('Sorting order:')
    print('---------------------')
    for x in arraydirs:
        print(x)
    print('---------------------')
    # correctInput: to indecate if the loop should be repeated or not
    correctInput = False
    while not correctInput:
        newFileName = raw_input("Enter the new file name: ")
        if not newFileName.isalpha():
            print('Error: Wrong input. only alphabets are allowed.')
            correctInput = False

        else:
            correctInput = True
            counter = 1
            # renaming each file
            for x in arraydirs:
                print('Renaming (' + x + ') ...')
                ext = pathlib.Path(x).suffix
                os.rename(x, dir + '\\' + newFileName + ' ' + str(counter) + ext)
                counter += 1


def byDate(dir):
    array = os.listdir(dir)
    arraydirs = []
    for x in array:
        if dir[len(dir) - 1] == chr(92):
            line = dir + x
        else:
            line = dir + '\\' + x
        arraydirs.append(line)
    arraydirs.sort(key=os.path.getmtime)
    print('---------------------')
    print('Sorting order:')
    print('---------------------')
    for x in arraydirs:
        print(x)
    print('---------------------')
    correctInput = False
    while not correctInput:
        newFileName = raw_input("Enter the new file name: ")
        if not newFileName.isalpha():
            print('Error: Wrong input. only alphabets are allowed.')
            correctInput = False
        else:
            correctInput = True
            counter = 1
            for x in arraydirs:
                print('Renaming (' + x + ') ...')
                ext = pathlib.Path(x).suffix
                os.rename(x, dir + '\\' + newFileName + ' ' + str(counter) + ext)
                counter += 1


def fn(dir):
    file_list = os.listdir(dir)
    print('Imported:', file_list)


if __name__ == '__main__':

    print(f'Please enter the directory of the files you want to rename: (e.g F:\myDocuments' + "\\)\n")
    isDirectory = False
    str_Dir = ""
    while not isDirectory:
        if not str_Dir == "":
            print('Error: Wrong input. Please enter a valid folder path.')
        folderDir = raw_input("Enter Directory: ")
        str_Dir = folderDir
        isDirectory = os.path.isdir(folderDir)
        if isDirectory:
            fn(folderDir)
            pass
            print(
                'Select sorting method:-\n1-By alphabetical order \n2-By file size(larger to smaller)\n3-By date (oldest to newest)')
correctInput = False
while not correctInput:
    selectionInt = raw_input("Enter your choice(1 - 3): ")
    if not selectionInt.isdigit():
        print('Error: Wrong input. only digits are allowed.')
        correctInput = False
    else:
        correctInput = True
        if int(selectionInt) > 3 or int(selectionInt) < 1:
            print('Error: Wrong input. please write a number between 1 - 3.')
            correctInput = False
        else:
            correctInput = True
            if int(selectionInt) == 1:
                alphabitical(folderDir)
                print('Done! all files has been renamed in alphabitical order. exiting ..')
                correctInput = True

            elif int(selectionInt) == 2:

                bySize(folderDir)
                print('Done! all files has been renamed (based on biggest to smallest size). exiting ..')
                correctInput = True
            elif int(selectionInt) == 3:

                byDate(folderDir)
                print('Done! all files has been renamed (based on date modified oldest to newest). exiting ..')
                correctInput = True