A Comprehensive Guide to python file sizes

python get file size


In the vast world of programming file size is most important part, Python shines as one of the most versatile and user-friendly languages. One of its many powerful capabilities lies in obtaining file sizes, a crucial task in various applications. In this article, we’ll dive deep into the process of getting file sizes using Python. From explaining the fundamental keywords to providing practical coding examples, this guide aims to equip you with the knowledge needed to handle file sizes effortlessly.

Understanding the Keywords


  • Python is a high- position programming language known for its simplicity and readability.
  • It’s extensively used across colorful disciplines, including web development,data analysis, artificial intelligence, and more.

Get File Size

  • ” Get train size” refers to the process of determining the size of a train in terms of bytes, kilobytes, megabytes, etc.
  • This information is essential for managing storehouse space and optimizing data operations.

Benefits of Python in Handling File Sizes

  • Simplicity: Python’s concise syntax makes it easy to perform complex tasks like obtaining file sizes with minimal code.
  • Platform Independence: Python is cross-platform, meaning the code you write can be executed on different operating systems without modification.
  • Abundance of Libraries: Python offers a plethora of libraries that simplify file manipulation tasks, including retrieving file sizes.

Exploring the Code

import os

def techlitistic_get_file_size(techlitistic_file_path):
        techlitistic_size_bytes = os.path.getsize(techlitistic_file_path)
        techlitistic_size_kb = techlitistic_size_bytes / 1024
        techlitistic_size_mb = techlitistic_size_kb / 1024
        return techlitistic_size_bytes, techlitistic_size_kb, techlitistic_size_mb
    except FileNotFoundError:
        return None

# Provide the path to the file

techlitistic_file_path = "techlitistic_example.txt"
techlitistic_file_size_bytes, techlitistic_file_size_kb, techlitistic_file_size_mb = techlitistic_get_file_size(techlitistic_file_path)

if techlitistic_file_size_bytes:
    print(f"File Size: {techlitistic_file_size_bytes} bytes | {techlitistic_file_size_kb:.2f} KB | {techlitistic_file_size_mb:.2f} MB")
    print("File not found.")

Benefits of Retrieving File Sizes

  • Resource Allocation: Knowing file sizes aids in allocating appropriate resources for processing and storage.
  • User Experience: Efficiently managing file sizes enhances user experience by preventing slow loading times and optimizing data transfers.

Practical Implementation

To further illustrate, let’s present some data in a table format.

File TypeFile NameSize (KB)
Practical Implementation

From Basics to Advanced Techniques

In the world of programming, handling files is a common task. Whether you’re working with local files, remote URLs, or directories, understanding how to retrieve file sizes is crucial. Now we see into various Python techniques to get file sizes, catering to different scenarios. From using simple functions to advanced pathlib operations, we’ve got you covered!

MB (Megabytes)

MB is a unit of digital information storage, representing approximately one million bytes. It’s commonly used to measure the size of files and storage devices.

File Object

In Python, a file object is an instance of the built-in file class that allows you to interact with files, read or write data, and perform various file-related operations.


Pathlib is a module introduced in Python 3.4 for object-oriented file system path manipulation. It provides a more intuitive and platform-independent way to handle file paths and operations.

URL (Uniform Resource Locator)

A URL is a web address that points to a resource on the internet. In this context, we’ll explore how to get the size of files hosted at remote URLs.

File Date

File date refers to the creation, modification, or access date of a file. We’ll also touch on how to retrieve this information along with file sizes.


A directory is a file system container that holds files and other directories. We’ll cover how to calculate file sizes for all files within a directory.

Techniques to Get File Size in Python

import os

techlitistic_file_path = 'techlitistic_your_file_path_here'
techlitistic_file_size_bytes = os.path.getsize(techlitistic_file_path)
techlitistic_file_size_mb = techlitistic_file_size_bytes / (1024 * 1024)  # Convert to MB

File Size from File Object

If you have a file object, you can use its seek() and tell() methods to determine its size. Here’s how

with open('your_file_path_here', 'rb') as file:
    file.seek(0, os.SEEK_END)  # Move to the end of the file

    file_size_bytes = file.tell()  # Get the current position (file size)

    file_size_mb = file_size_bytes / (1024 * 1024)  # Convert to MB

Utilizing Pathlib for File Size

Pathlib provides an elegant way to handle file paths and sizes. Here’s how to use it.

from pathlib import Path

file_path = Path('your_file_path_here')
file_size_bytes = file_path.stat().st_size
file_size_mb = file_size_bytes / (1024 * 1024)  # Convert to MB

Getting File Size from URL

To retrieve the size of a file hosted at a remote URL, you can use the requests library.

import requests

url = 'your_file_url_here'
response = requests.head(url)
file_size_bytes = int(response.headers['Content-Length'])
file_size_mb = file_size_bytes / (1024 * 1024)  # Convert to MB

Retrieving File Size and Date

Using the os.path.getmtime() function, you can also fetch the modification date of a file.

file_path = 'your_file_path_here'
file_size_bytes = os.path.getsize(file_path)
file_size_mb = file_size_bytes / (1024 * 1024)  # Convert to MB

modification_timestamp = os.path.getmtime(file_path)
# Convert timestamp to a readable format, e.g., using the datetime module

Calculating File Sizes for All Files in a Directory

To calculate the sizes of all files within a directory, you can use a loop along with the os module.

import os

directory_path = 'your_directory_path_here'
total_size_bytes = 0

for root, _, files in os.walk(directory_path):
    for file in files:
        file_path = os.path.join(root, file)
        total_size_bytes += os.path.getsize(file_path)

total_size_mb = total_size_bytes / (1024 * 1024)  # Convert to MB

Benefits of Using Pathlib

Pathlib offers several advantages over traditional string-based path manipulation.

  • Object-oriented syntax.
  • Platform-independent code.
  • Enhanced readability and maintainability.

Techniques Comparison

TechniqueCode ComplexityLibrary RequiredFlexibility
Basic File Size RetrievalLowNoneSimple
File Size from File ObjectModerateNoneModerate
Pathlib for File SizeLowPathlibHigh
Getting File Size from URLModeraterequestsHigh
Retrieving File Size and DateLowNoneSimple
Calculating Directory SizeModerateNoneHigh
Techniques Comparison


In this extensive guide, we’ve unveiled the power of Python in obtaining file sizes seamlessly. By now, you grasp the significance of the “get file size” operation and its relevance across diverse programming tasks. Python’s simplicity, cross-platform compatibility, and rich library ecosystem make it an ideal choice for handling file sizes. Remember, understanding file sizes empowers you to manage resources effectively and enhance user experiences. So, whether you’re a seasoned developer or a beginner, Python’s capabilities in handling file sizes are within your reach.

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