How to Efficiently Remove File Extensions in Python?

Retrieving Filename Excluding Extension in Python

In various scenarios, extracting the filename from a path while excluding its extension becomes necessary. This article provides insights into how to achieve this in Python.

Python 3.4 and Above

For Python versions 3.4 and above, the pathlib.Path.stem attribute offers a straightforward solution. The following code snippet demonstrates its usage:

from pathlib import Path

path = "/path/to/some/file.txt"
filename_without_extension = Path(path).stem

print(filename_without_extension)  # Output: file

Python Versions Prior to 3.4

For Python versions below 3.4, a combination of os.path.splitext and os.path.basename is commonly used:

import os.path

path = "/path/to/some/file.txt"
filename_without_extension = os.path.splitext(os.path.basename(path))[0]

print(filename_without_extension)  # Output: file

In this approach, os.path.basename extracts the filename from the path, and os.path.splitext separates the filename and extension.

Remember, when dealing with file paths in Python, it's crucial to ensure that the platform-specific conventions are handled appropriately, particularly for operating systems like Windows. The provided methods facilitate the efficient retrieval of filename without extension in both Python 3.4 and earlier versions.

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