#! /usr/bin/env python3

# -*- coding: utf-8 -*-

# findlargefiles.py Searches a file location and subdirectories for

# files larger than a given size.

"""

findlargefiles.py Searches a file location and subdirectories for

files larger than a given size.

Useful for phones which might hide files in FileExplorer.

Directly prints results if run directly.

May also be imported, yielding results one by one.

Created on Sun Sep 3 20:35:12 2017

@author: david.antonini // toonarmycaptain

"""

import os

def search_folder(location, min_file_size):

file_not_found_errors_count = 0

files_found_count = 0

total_size = 0

print(f'Files larger than {min_file_size:.2f} MB in location: {location}')

for foldername, subfolders, filenames in os.walk(location):

for filename in filenames:

try:

actual_size = os.path.getsize(os.path.join(foldername,

filename))

if min_file_size*1024**2 <= actual_size:

print(f'{foldername}\\{filename} - '

f'{(actual_size/1024**2):.2f} MB')

yield foldername, filename, actual_size

files_found_count += 1

total_size += actual_size

except FileNotFoundError:

file_not_found_errors_count += 1

print(f'FileNotFoundError: {filename}')

print(f'Files found: {files_found_count}')

print(f'Total size: {(total_size/1024**2):.2f} MB')

if file_not_found_errors_count > 0:

print(f'FileNotFoundErrors: {file_not_found_errors_count}')

if __name__ == '__main__':

print('This program searches for files larger than a given size '

'in a given location.')

while True:

location = input("Where would you like to search? ")

if os.path.exists(location):

break

else:

print('Please enter a valid path.')

while True:

try:

min_file_size = float(input('Please enter file size in MB: '))

break

except ValueError:

print('Please enter numeric input only.')

search_folder(location, min_file_size)

for foldername, filename, actual_size in search_folder(location,

min_file_size):

print(f'{foldername}\\{filename} - {(actual_size/1024**2):.2f} MB')