Python os path join problem Also available via os. You can use os. Windows has fucked-up filesystem behavior, in other words. join() you can do path_dir / file_name where path_dir is Path object. join Jul 12, 2025 · The os. image as mpimg import os folder = Path('D:\ \emotic') #Note that \ \ stands for my filepath original_database = Path(annotations_dict['train']['original Jun 10, 2014 · If you use os. path. If they start with a slash, then they're considered an "absolute path" and everything before them is discarded. join, along with advanced examples, precautions, differences between various operating systems, and practical exercises. join` behaves this way, explore real-world examples of the problem, and provide actionable solutions to prevent path components from being discarded. Hello, i try to create a button with an image. replace("\\", "/") The only issue with the above might be on posix when there is a space in the file path. path module is always the path module suitable for the operating system Python is running on, and therefore usable for local paths. dirname() gives you the relative directory name thus, the next line, gives you the absolute working directory of the current executing file. join in Python on Windows and explore various solutions. and you can use forward slash to join paths instead of os. argv[0])) Personally, I always use this instead of os. rename(path+filename,path+new_name). Prefer pathlib for modern, slash-agnostic path management. import os os. imshow () as follows: from pathlib import Path import numpy as np import pandas as pd from scipy. Mar 9, 2024 · Note Since different operating systems have different path name conventions, there are several versions of this module in the standard library. join (BASE_DIR,'template')] , take the os from auto suggestions instead of typing. Apr 14, 2024 · Fortunately, the os. normpath. As said in the comments: if you have multiple absolute paths, like "/project_folder" and "/User", then os. By . To avoid that, call to basename similarly to how you Most of the time, windows has no problem with a path with mixed \, \\, or / literals. The drive letter on the other hand is windows only so not platform independent at all. I have created a script that recursively reads files containing unstructured JSON data, creates a directory named "converted_json", Apr 16, 2016 · If, for example, you have a path you got from os. If you want to convert them all to the system standard, (\\ on windows) use os. path Documentation Python pathlib Documentation PEP 428: The pathlib Module Aug 12, 2012 · Python os. Mar 25, 2016 · Regular DOS paths are limited to MAX_PATH (260) characters, including the string's terminating NUL character. I want to use os. normpath to clean mixed slashes when components contain internal separators. join respectively if not on Windows. Here is a session from the windows console to prove the point. getlogin() os. join will find the folder most specific to the file your are aiming for ("/project_folder") and disregard "/User". Nov 13, 2025 · Key takeaways: Split paths into slash-free components and let os. OS comes under Python's standard utility modules. In the above example if the prefix was "media" I w 2 days ago · Note Since different operating systems have different path name conventions, there are several versions of this module in the standard library. join will restart the filename from an absolute path. Nov 13, 2023 · When working with file paths in Python, it is important to ensure that your code is platform-independent. When i try this code image_path = os. Jan 31, 2018 · Python’s os. argv[0] gives you the name of the current script os. It dynamically constructs file paths by intelligently joining directory, filename, and extension components, using the correct separator for the operating system. Other option is to use os. In this guide, we’ll demystify directory separators, explore Python’s `os` module and modern `pathlib` library, and learn best practices for writing cross-platform path-handling code. It takes multiple path components as arguments and joins them together using the appropriate separator for the underlying operating system. Perhaps you, like many others, found that using os. join is helpful if you need to communicate intelligently with your operating system. On Linux, join('/x', '/y') returns '/y'. join () doc says: If a segment is an absolute path (which on Windows requires both a drive and a root), then all previous segments are ignored and joining continues from the absolute path segment. join([folder, new_filename]), or you could import the posixpath module directly import posixpath; new_path = posixpath. Its primary purpose is to intelligently combine path components into a single path string, using the appropriate path separator for the current operating system. New replies are no longer allowed. chdir(desired_path). join adds "\" itself before and after variable. join`—a built-in function in Python’s `os. join / pathlib handle separators. By the end, you’ll have the tools to handle paths reliably in your Python projects. join and a Windows system. abspath(os. To unpack the list into separate arguments required by join (and for the record: list was obtained from a string using split), use * - or the 'splat' operator, thus: May 20, 2025 · The os. join doesn’t always yield the expected results. split () and os. join() Handling Command-Line Arguments with Spaces Common Pitfalls to Avoid Step-by Aug 22, 2021 · Python presents the string in the same form as would be needed in Python source code. dirname(sys. In other words: Hardcoding drive letters into your program makes it non-portable which makes os. Nov 6, 2025 · Enter `os. By using this function, you can combine paths in a consistent way across different environments. join ()` and manually concatenating components with `os. join: If a component is an absolute path, all previous components are thrown away and joining continues from the absolute path component. According to the docs if I say: os. Aug 1, 2011 · os. sep. pyplot as plt import matplotlib. I want the resulting path to be relative to the root of the server. abspath () method in Python's os module is used to get the full (absolute) path of a file or folder. join('c:', 'sourcedir') Nov 23, 2024 · How to Use os. rename Sep 29, 2015 · A practical example: sys. References Python os. Sep 9, 2021 · If the filenames in array are absolute paths, this will not work. As you saw, it takes care of platform specific separators, duplicates, absolute vs relative paths automatically. Nov 24, 2024 · Learn how to manage mixed slashes when using os. 🔄 Jul 12, 2011 · I am at my wits end on this. This means that your code should be able to handle file paths on different operating systems, such as Windows, macOS, and Linux. That appears to be exactly what is happening in your code. Sep 2, 2023 · Python's os. Dec 22, 2009 · The latter strings shouldn't start with a slash. It constructs a full path by concatenating various components while automatically inserting the appropriate path separator (/ for Unix-based systems and \ for Windows). Dec 5, 2024 · Explore common pitfalls with os. So while on a POSIX system if you ask for a relative path (a path that doesn't start with /) you resolve it relative to the current working directory of your process, on Windows the path is resolved relative to the current working directory of that particular drive. join(folder, new_filename). It's useful when you're working with relative paths but need to know the exact location on your system. Feb 13, 2013 · There is no problem with whitespaces in the path since you're not using the "shell" to open the file. stat () on the truewhy would you want to do that? os. Learn how to manage file paths relative to your script or create absolute paths for reliable resource access in your applications. join, but am pretty confused. listdir(path): if x. Its core purpose is to join one or more path components (strings) into a single, valid path string. Since you don't actually care about the path in relation to the host OS (because you've chosen to store paths POSIX style in your DB), you can just use string joining: new_path = '/'. Nov 13, 2025 · Fortunately, Python provides built-in tools to handle paths seamlessly across operating systems. Nov 21, 2021 · Then instead of using os. com_pat Jul 25, 2025 · Resolve Python errors when loading resource files. Path Solution 4: Dynamically Construct Paths with os. I'm concatenating a filepath to open an image with plt. join on my directory and a… Aug 17, 2021 · This topic was automatically closed 182 days after the last reply. While defining DIRS': [os. Note on Windows, the behaviour in relation to drive letters Jul 11, 2025 · The os. sep The character used by the operating system to separate pathname components. Note the double backslash is the escaped representation, the actual path only has one backslash. 18 hours ago · The os. You could then put an if statement at the top of your utils file and define display_path and join as a no-op and as os. This is called "escaping" because you want to escape from the convention that the backslash indicates something special. join in Python on Windows When delving into the nuances of handling file paths in Python, particularly on a Windows system, you may have encountered the os. join () to build a path string using the right kind Learn effective techniques for detecting, preventing, and resolving file path errors in Python, ensuring robust file handling and improved application reliability. In a Python string "\t" means a tab character. This module provides a portable way of using operating system-dependent functionality. join method and its peculiar behavior. Note that knowing this is not sufficient to be able to parse or concatenate pathnames — use os. join function in Python 3 specifically for Windows file paths. Mar 12, 2012 · Note Since different operating systems have different path name conventions, there are several versions of this module in the standard library. join function is incredibly useful when working with file and directory paths in Python. On some platforms, this function may return False if permission is not granted to execute os. join(*args). join () and os. join(my_path. Apr 20, 2020 · Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges, 18 hours ago · Table of Contents Understanding the Problem: Why Spaces in Filenames Cause Issues Solution 1: Directly Use the Filename as a String (Simplest Case) Solution 2: Use Raw Strings for Windows Paths with Spaces Solution 3: Modern Path Handling with pathlib. Two popular approaches for constructing paths are using `os. This issue is now closed. listdir(path), you also have to provide the path in the rename: os. Nov 6, 2024 · Exploring effective techniques to manage Python sys. join () is an invaluable function for joining paths in a portable way in Python. path module offers a convenient way to work with file paths in a platform-independent manner. Your path contains \train. This is '/' for POSIX and '\' for Windows. join () function in Python is a convenient way to create file paths. join function is part of Python’s built-in os module, designed to construct file paths intelligently by accounting for OS-specific rules. I tried both os. Use os. py file. join (self. You can exceed this limit by using an extended-length path that starts with the \\?\ prefix. join has different results based on the operating system the code is running from. This does this automatically for you. I want to convert a unix file path, which is in forward-slash format, to a windows file path, which is in backward-slash format. Mar 10, 2019 · Note Since different operating systems have different path name conventions, there are several versions of this module in the standard library. Quoting the Python docs for os. io import loadmat import pprint import matplotlib. OS-Module Functions Here we will discuss some important functions of the Python os module: Handling the Current Working Directory Creating a Directory Listing out Files and os. txt") in a tutorial, but my_path is a PosixPath object (not a string), Python will throw the 'PosixPath' object has no attribute 'path' error. path module abstracts the differences between Linux and Windows, allowing your code to adapt dynamically based on the operating system it's running on. Nov 25, 2009 · For example, I want to join a prefix path to resource paths like /js/foo. join not working properly for network paths Asked 12 years, 10 months ago Modified 12 years, 10 months ago Viewed 10k times Feb 15, 2017 · I want to save some files in a subdirectory of the current directory, but for whatever reason, even though Python "succeeds" saving the output files, the directory doesn't appear anywhere. join, practical solutions, and enhancements for cross-platform compatibility in your Python programs. path module has lots of tools for working around these kinds of operating system-specific file system issues. In this article, we will focus on using the os. May 31, 2021 · Result - A directory got created in windows at path c:Users\USERNAME\TestAutomationDownloads where username gets its value from variable user =os. The Problem with Hardcoding File Paths Apr 15, 2013 · I have written a code in python which uses / to make a particular file in a folder, if I want to use the code in windows it will not work, is there a way by which I can use the code in Windows and Jul 12, 2017 · Created on 2017-07-11 20:43 by mesheb82, last changed 2022-04-11 14:58 by admin. js. startswith('i'): os. normpath () but both of them seems to add double backwards slash to the result. join is a platform independent way to concatenate paths. join() method is part of Python‘s standard library in the os module. I'm using Arc10. here comes my problem. Sep 8, 2025 · OS module in Python provides functions for interacting with the operating system. cwd, "OpenFolder. Oct 16, 2024 · The os. path for easier relative imports in your projects. getcwd() since it gives me the script absolute path, independently of the Sep 27, 2017 · I am having some issues with os. In your loop file[:-len(srcSfx)] + destSfx is an absolute path, so the intended prefix, save_dir is simply discarded. For example, on Windows join('C:/x', 'C:/y') results in 'C:/y'. Trying to write a script that will loop through a list of feature classes (some shapefiles, some sde files). realpath and a filename of which you know that it contains no slashes, os. 5 days ago · For example, if you see os. So if you mean backslash followed by t you have to type it as "\\t". exists (), it says that there are specific cases in which a file or folder exists but os. You can see the actual path if you use print. 🙌 The os. This article provides a comprehensive explanation of the basics of os. join obsolete. path` module designed to solve this problem. This path must be a Unicode string, fully qualified, and only use backslash as the path separator. I wath a course when he use os. Jul 2, 2021 · Also if you use a forward slash, it will work on Windows, Linux, MacOS. Hi, i am new to python and i want to learn machine learning. join doesn't take a list as argument, it has to be separate arguments. join('C:\Users\A\Desktop\Repo', filename) The os module contains many useful methods for directory and path manipulation Feb 12, 2013 · The problem is, os. You could also investigate PathLib, though that may be overkill If you read the Python documentation of os. May 26, 2014 · I have written a script to rename a file import os path = "C:\\\\Users\\\\A\\\\Downloads\\\\Documents\\\\" for x in os. 3 days ago · In Python, handling file paths is a common task, whether you’re reading/writing files, managing directories, or working with system resources. It joins multiple path components together, making your code more portable and cross-platform. Oct 8, 2020 · Declare 'import os' command in the top header section of settings. If your code wants to support linux and windows, you'll need to add '\' for windows, and '/' for linux. Eventually I want to add a parameter for the user to input a selection layer, and then have it "select by location" on each feature class and the Closed 7 years ago. exists () returns false: Return True if path refers to an existing path or an open file descriptor. 5 days ago · In this blog, we’ll demystify why `os. join = lambda *args: os. join is the better choice, as it is in most situations. path, "file. Always has. Problem: The correct Path is not interpreted correctly. Returns False for broken symbolic links. join () — but it is occasionally useful. png") print (image_path) open I am trying to learn python and am making a program that will output a script. os. join () method is a function in the os module that joins one or more path components intelligently. join function in Python’s standard library provides a convenient way to handle file paths in a platform-independent manner. The os. sep`. This may also be the case that you are changing the base path in within your function, leading to unexpected behaviour. cwd = os. htko zzhqb rlhh kzwbt bzslpn jrpx uoshj ntbrsood uuz yudetw bwwalt pvvjl budj didkoln gpnpeux