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Clean way to get the "true" stem of a Path object?

stackoverflow.com › questions › 31890341 › clean-way-to-get-the-true-stem-of-a-path-object

You could just .split it:

>>> Path('logs/date.log.txt').stem.split('.')[0]
'date'

os.path works just as well:

>>> os.path.basename('logs/date.log.txt').split('.')[0]
'date'

It passes all of the tests:

In [11]: all(Path(k).stem.split('.')[0] == v for k, v in {
   ....:     'a': 'a',
   ....:     'a.txt': 'a',
   ....:     'archive.tar.gz': 'archive',
   ....:     'directory/file': 'file',
   ....:     'd.x.y.z/f.a.b.c': 'f',
   ....:     'logs/date.log.txt': 'date'
   ....: }.items())
Out[11]: True

Answer from Blender on Stack Overflow

docs.python.org › 3 › library › pathlib.html

pathlib — Object-oriented filesystem paths

February 23, 2026 - >>> PurePosixPath('my/library.tar.gz').stem 'library.tar' >>> PurePosixPath('my/library.tar').stem 'library' >>> PurePosixPath('my/library').stem 'library' Changed in version 3.14: A single dot (”.”) is considered a valid suffix. ... Return whether the path is absolute or not.

stackoverflow.com › questions › 31890341 › clean-way-to-get-the-true-stem-of-a-path-object

python - Clean way to get the "true" stem of a Path object? - Stack Overflow

You could just .split it:

>>> Path('logs/date.log.txt').stem.split('.')[0]
'date'

os.path works just as well:

>>> os.path.basename('logs/date.log.txt').split('.')[0]
'date'

It passes all of the tests:

In [11]: all(Path(k).stem.split('.')[0] == v for k, v in {
   ....:     'a': 'a',
   ....:     'a.txt': 'a',
   ....:     'archive.tar.gz': 'archive',
   ....:     'directory/file': 'file',
   ....:     'd.x.y.z/f.a.b.c': 'f',
   ....:     'logs/date.log.txt': 'date'
   ....: }.items())
Out[11]: True

Why not go recursively?

from pathlib import Path

def true_stem(path):
   stem = Path(path).stem
   return stem if stem == path else true_stem(stem)

assert(true_stem('d.x.y.z/f.a.b.c') == 'f')

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realpython.com › python-pathlib

Python's pathlib Module: Taming the File System – Real Python

January 11, 2025 - You’re using .with_stem() to create the new filename without changing the extension. The actual copying takes place in the highlighted line, where you use .read_bytes() to read the content of source and then write this content to destination using .write_bytes(). While it’s tempting to use pathlib for everything path related, you may also consider using shutil for copying files.

mopicmp.github.io › python-pathlib › path-stem.html

Path.stem - Python Pathlib | BetterDocs

Practical code examples showing how Path.stem is used in real projects.

datacamp.com › tutorial › comprehensive-tutorial-on-using-pathlib-in-python-for-file-system-manipulation

How to Use Python's Pathlib (with Examples) | DataCamp

May 22, 2024 - The with_stem() method returns a file path with a different filename (although the suffix stays the same).

freecodecamp.org › news › how-to-use-pathlib-module-in-python

Python Path – How to Use the Pathlib Module with Examples

May 10, 2022 - In [*]: p = pathlib.PurePath('/src/goo/scripts/main') p.with_suffix('') Out[*]: PurePosixPath('/src/goo/scripts/main') Some methods like .with_stem(), and .is_relative_to() have been added recently to Python 3.9 and above.

discuss.python.org › ideas

Add pathlib.Path.stems - Ideas - Discussions on Python.org

April 20, 2023 - Path.suffix is to Path.stem as Path.suffixes is to …? >>> from pathlib import Path >>> p = Path("CurveFile.vs2022.vcxproj") >>> p.suffix '.vcxproj' >>> p.stem 'CurveFile.vs2022' >>> p.suffixes ['.vs2022', '.vcxproj'] W…

pytutorial.com › python-pathlibstem-explained-file-path-manipulation

PyTutorial | Python Pathlib.stem Explained | File Path Manipulation

March 23, 2025 - For example, you can use with_suffix() to change the file extension after extracting the stem. ... from pathlib import Path # Create a Path object file_path = Path("/documents/report.txt") # Change the suffix new_path = file_path.with_suffix(".pdf") print(new_path) ... This code changes the file extension from .txt to .pdf. Learn more about Python Pathlib with_suffix().

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pythontutorial.net › home › python standard library › python path

Python Path: Interact with File System Using Path from pathlib

March 27, 2025 - from pathlib import Path path = Path('readme.txt') print(path.name)Code language: Python (python) Output: readme.txtCode language: Python (python) To get the file name without extension, you use the stem property: from pathlib import Path path = Path('readme.txt') print(path.stem)Code language: ...

dzdata.medium.com › pathlib-a-better-way-to-work-with-paths-in-python-4f24dea14fab

pathlib — a Better Way to Work with Paths in Python | by DZ | Medium

July 19, 2023 - new_name_path = path_to_my_file.with_stem('new_file') path_to_my_file.rename(new_name_path)

oneuptime.com › home › blog › how to use pathlib for file paths in python

How to Use pathlib for File Paths in Python

January 27, 2026 - # path_components.py # Accessing different parts of a path from pathlib import Path path = Path("/home/user/project/data/report.csv.gz") # Name - final component print(f"Name: {path.name}") # report.csv.gz # Stem - name without final suffix print(f"Stem: {path.stem}") # report.csv # Suffix - final extension print(f"Suffix: {path.suffix}") # .gz # Suffixes - all extensions print(f"Suffixes: {path.suffixes}") # ['.csv', '.gz'] # Parent - immediate parent directory print(f"Parent: {path.parent}") # /home/user/project/data # Parents - all ancestor directories for parent in path.parents: print(f" {

miguendes.me › python-pathlib

Python pathlib Cookbook: 57+ Examples to Master It (2022)

July 5, 2024 - A mega tutorial to learn by example the idiomatic way to work with paths in Python 3 using the pathlib module.

stackoverflow.com › questions › 67600029 › pathlib-and-stem-attributerror

python - Pathlib and stem - Attributerror - Stack Overflow

path.with_stem() was introduced in Python 3.9. In previous versions (that support path objects) you can do it manually:

path = orig_path.with_name(f'{orig_path.stem}_{stem}{orig_path.suffix}')

ionos.com › digital guide › websites › web development › python pathlib

How does Python pathlib work and what are its benefits?

June 18, 2025 - .parent: Refers to the directory containing the file; if the path points to a directory, it returns the parent directory · .stem: Refers to the file name excluding the extension ...

zetcode.com › python › pathlib

Python pathlib - working with files and directories in Python with pathlib

$ parts2.py The stem is: wordpress-5.1.tar The name is: wordpress-5.1.tar.gz The suffix is: .gz The anchor is: C:\ File name: wordpress-5.1 The suffixes: ['.1', '.tar', '.gz'] The iterdir yields path objects of the directory contents. ... #!/usr/bin/python from pathlib import Path path = Path('C:/Users/Jano/Documents') dirs = [e for e in path.iterdir() if e.is_dir()] print(dirs)

runebook.dev › en › docs › python › library › pathlib › pathlib.PurePath.stem

python - Beyond the Extension: A Guide to pathlib.stem

import os from pathlib import Path multi_dot_file = 'archive.tar.gz' # pathlib method p = Path(multi_dot_file) print(f"pathlib stem: {p.stem}") # archive.tar # os.path method name_part, ext_part = os.path.splitext(multi_dot_file) print(f"os.path name part: {name_part}") # archive.tar print(f"os.path extension part: {ext_part}") # .gz · Observation In this specific case (archive.tar.gz), both methods behave similarly by only stripping the last extension. The main benefit of pathlib is its object-oriented structure and platform-independent logic. For modern Python code, the best practice is to use pathlib exclusively for path manipulation, which avoids these interoperability issues and makes your code cleaner and more robust across different operating systems.

github.com › python › cpython › issues › 126537

add setter for pathlib.stem · Issue #126537 · python/cpython

November 7, 2024 - It would be nice to have the option to modify the stem of a file name directly. ... if the file exists, I want to change the file name to '/tmp/myfile-1.npy', in order to avoid overwriting it, I currently need to do the following: if file_path.exists(): file_path = file_path.parents / (file_path.stem + '-1' + file_path.suffix)

Author thawn

w3schools.blog › home › python path

Python Path - w3schools.blog

September 4, 2018 - It is the first step when starting a python work. ... Open the Control Panel. Click on System and Security. Click on System. Click on Advanced System settings on the left corner. Click on Environment Variable tab. Click on new tab of user variables.

github.com › python › cpython › issues › 114610

`pathlib.PurePath.with_stem('')` promotes file extension to stem · Issue #114610 · python/cpython

January 26, 2024 - Bug report >>> pathlib.PurePath('foo.jpg').with_stem('').stem '.jpg' The with_stem() call should raise ValueError, as it's impossible for a filename to have an empty stem and a non-empty suffix. Linked PRs gh-114612 gh-114613

Author barneygale

stackoverflow.com › questions › 50876840 › how-to-get-only-the-name-of-the-path-with-python

How to get only the name of the path with python? - Stack Overflow

In Python 3.4+, you can use the pathlib module (included in Python's standard library):

>>> from pathlib import Path
>>> p = Path("/home/user/Downloads/repo/test.txt")
>>> print(p.stem)
test
>>> print(p.name)
test.txt

Use the os.path module to work with paths; the os.path.basename() function gives you the last part after the last path separator, and os.path.splitext() gives you the filename with the extension split off:

import os.path

basename = os.path.splitext(os.path.basename(f.name))[0]

Using the os.path functions ensures that your code will continue to work correctly on different operating systems, even if the path separators are different.

In Python 3.4 or newer (or as a separate backport install), you can also use the pathlib library, which offers a more object-oriented approach to path handling. pathlib.Path() objects have a .stem attribute, which is the final component without the extension suffix:

try:
    import pathlib
except ImportError:
    # older Python version, import the backport instead
    import pathlib2 as pathlib

basename = pathlib.Path(f.name).stem

Demo:

>>> import os.path
>>> a = "/home/user/Downloads/repo/test.txt"
>>> os.path.basename(a)
'test.txt'
>>> os.path.splitext(os.path.basename(a))
('test', '.txt')
>>> os.path.splitext(os.path.basename(a))[0]
'test'
>>> import pathlib
>>> pathlib.Path(a)
PosixPath('/home/user/Downloads/repo/test.txt')
>>> pathlib.Path(a).stem
'test'