Get file information in a directory

list_files.py

# -*- coding: utf-8 -*-
"""
Created on Tue Oct 30 13:43:22 2018

@author: Will Hart
"""

from datetime import datetime
from os import walk, path

# Edit these values to change behaviour
f = ["directory,file_name,creation_date,size_in_bytes,extension"]
start_path = "D:/MyFolder"
extensions = ['.jpg', '.png', '.tiff']
output_file = 'results.csv'

def walk_dir(dir_path, list_of_files):
    for (dirpath, dirnames, filenames) in walk(dir_path):
        for x in filenames:                        
            full_path = path.join(dirpath, x)

            _, ext = path.splitext(full_path)
            if not ext in extensions:
                continue
            
            ctime = path.getctime(full_path) # windows only
            ctime_formatted = datetime.fromtimestamp(ctime).strftime('%Y-%m-%d %H:%M:%S')
            fsize = path.getsize(full_path)
            list_of_files.append(f"{dirpath},{x},{ctime_formatted},{fsize},{ext.replace('.','')}")
        
        for d in dirnames:
            walk_dir(d, list_of_files)
 
if __name__ == '__main__':
    walk_dir(start_path, f)
    with open(output_file, 'w') as output:
        output.write("\n".join(f))

    print(f"Results written to {output_file}")

sample_result.csv