How do I get the filename without the extension from a path in Python?

To get the filename without the extension from a file path in Python, you can use the os.path.splitext() function. This function returns a tuple containing the full path without the extension and the extension itself. The first element of the tuple already contains the path without the extension.

Here's an example:

Get the filename without the extension from a path in Python using the os.path.splitext method

import os

file_path = '/path/to/file.txt'

# Use os.path.splitext to split the path and extension
filename, file_ext = os.path.splitext(file_path)

# The first element already contains the path without the extension
filename_without_ext = filename

print(filename_without_ext)  # Output: '/path/to/file'

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Alternatively, you can use the os.path.basename() function to get the base name of the file, and then safely remove the extension. Here's an example:

Get the filename without the extension from a path in Python using the os.path.basename method

import os

file_path = '/path/to/file.txt'

# Get the base name of the file
filename = os.path.basename(file_path)

# Safely remove the extension if present
filename_without_ext = filename.rsplit('.', 1)[0] if '.' in filename else filename

print(filename_without_ext)  # Output: 'file'

Both of these methods assume that the file extension is separated from the rest of the file name by a period (.). If the file has no extension, the second method will return the full base name unchanged. For modern Python projects, consider using pathlib.PurePath.stem, which safely returns the filename without the extension.