Have you ever wondered how you can get a folder size in bytes using Python?Feed additives in poultry
As you may already know, os. In this quick tutorial, you will learn how you can make a simple function to calculate the total size of a directory in Python. Let's get started, open up a new Python file:. The below core function calculates the total size of a directory given its relative or absolute path:. Notice that I used os. It also raises PermissionError if it cannot open the file such as system filesin that case, we'll just return 0.
The above function will return the size in bytes, which will be of course, unreadable for large directories, as a result, let's make a function to scale these bytes to Kilo, Mega, Giga, etc:. Alright, I'm gonna test this on my C drive I know it's large :. This took about a minute and returned the following:.
Now what if I want to know which sub directories are taking most of this space? Well, the following code doesn't just calculate the size of each subdirectory, but plots a pie using matplotlib library in which you can install using pip3 install matplotlib that shows the size of each of them:.
Now this takes the directory as an argument in the command line:. This will show a nice pie that looks something like this:. Now after seeing this chart, I know Users and Windows folders are taking most of my C drive! Alright, this is it for this tutorial, If you want to learn more about handling files and directories in Pythoncheck this tutorial. Learn how to work with files in Python using os and shutil modules including creating, renaming, moving, removing files and directories, listing all current files and directories and more.
Using Python standard library pickle module to save pickle and load unpickle any type of object in Python. Learn how to use Python's built-in logging module to log your Python applications, changing default format, level, and learning in a concrete example, as well as using logging handlers.
Sharing is caring! How to Handle Files in Python Learn how to work with files in Python using os and shutil modules including creating, renaming, moving, removing files and directories, listing all current files and directories and more. How to Use Pickle for Object Serialization in Python Using Python standard library pickle module to save pickle and load unpickle any type of object in Python.
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Follow ThePythonCode. Your email address will not be published. Subscribe for our newsletter. Get Python Tutorials.This Get-FolderSize script uses a super fast Scripting. Both methods are much faster than Get-ChildItem and.
Get directory size
NET - and also have the extremely useful benefit of avoiding the long path limitation in. NET and therefore PowerShell.Python - Getting the FILESIZE of any file in your computer!
Limit which output fields are displayed with Select-Object if you only want path and total bytes, for instance. It works against UNC paths. Should work with PowerShell version 2 and up. PowerShell version 2 comes in-the-box with Server R2 and Win 7. The fallback to robocopy.
How to calculate a directory size using Python?
Read Boe's post for more background information and details. The default is now the COM method which does not have long path problems. The robocopy fallback does not have problems with long paths either, and although slower than COM, it enumerates the files and folders blazingly fast compared to the alternatives.
The alternatives being Get-ChildItem in conjunction with Measure-Object or some such although fine for certain situationsand. NET methods for listing files and folders with some form of recursion. Both these methods also suffer from the long path limitation. Parsing text is somewhat of a skill of mine, so when I wrote the robocopy part, I cooked up some logic and a regex to extract what I think are the presumably relevant details in addition to the folder size from the robocopy summary.
The code can also serve as a basic example of how to parse the robocopy. One thing I quickly became aware of when a Norwegian coworker tested the code, is that robocopy's output needs to be in English for the fallback to work, and when he got it in Norwegian, he got the warning about an unexpected format.
I tried tweaking the current "culture" language in the PS session, but haven't had any luck so far in forcing English output from robocopy. I think it's hardcoded in the. You could edit the regexes in the script to support "your" language for the header line and the start of the other lines.
It works fine with the native robocopy. Here's an example with the default behaviour, which is COM first, with a fallback to robocopy if access is denied to one or more files or folders. If you need all the data for all objects, regardless of full access, you can use the -RoboOnly parameter.
This will usually be a bit slower than COM, but after I increased the thread count to 16 from the default of 8, robocopy actually outperforms COM in some cases according to the screenshot below. You can set the number of threads, betweenwith the -RoboThreadCount parameter.
Using the -RoboOnly parameter will cause the script to never use COM, only robocopy, always giving file count and directory count as well as sizes. Remember to unblock. When you use the module, the function that's exported is named "Get-STFolderSize", not "Get-FolderSize" to avoid name collisions with stuff other people might have written. Comment made Please see GitHub for the latest version also in the PowerShell gallery now.
It's v1. To install this module with WMF 5 and up to get the latest GetSTFolderSize module version availablesimply run this command requires an internet connection :. The "ST" prefix was added to avoid name collisions with functions other people may have written and given the obvious name. It accesses a property I initially thought was immediate, but I realized it is calculated after some testing against remote servers it's just really fast.
This property contains the size of all the files in a folder including its subfolders and their files. This is described in further detail towards the bottom of this Microsoft Technet article.
FileSystemObject method doesn't work. This produces the fastest result. On I also made falling back to robocopy optional by adding a -ComOnly parameter.In this article we will discuss different methods to generate a list of all files in directory tree. We need to call this recursively for sub directories to create a complete list of files in given directory tree i. Your email address will not be published. This site uses Akismet to reduce spam.
Learn how your comment data is processed. Creating a list of files in directory and sub directories using os. Related Posts: Python : How to check if a directory is empty? Python : How to Get List of all empty Directories? How to create a Directory in python? Python: How to create a zip archive from multiple files or Directory Python : How to remove files by matching pattern wildcards certain extensions only?
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So is there a faster way of finding the total size of a folder close to the speed that windows can do it? Windows 7, python 2. That is 3x more system calls per file than Windows Explorer, plus memory allocation and manipulation overhead. Refer to os.Multistar app
Note that Python's os. Perhaps counterintuitively, on most modern configurations e. Update: Python 3. This new function is used to speed up the built-in os. You can use the scandir module on PyPI to get this behavior for older Python versions, including 2.
If you want same speed as explorer, why not use the windows scripting to access same functionality using pythoncom e. I compared the performance of the Python code against a 15k directory tree containing k files and compared it against the du 1 command which presumably goes about as fast as the OS.
The Python code took 3. This was on Linux. I'm not sure there is much to squeeze out of the Python code. Note too that the first run of du took 45 seconds which was obviously before the relevant i-nodes were in the block cache; therefore this performance is heavily dependent upon how well the system is managing its store. It wouldn't surprise me if either or both:.
Learn more. Asked 10 years, 6 months ago. Active 1 year, 9 months ago. Viewed 42k times. I want to quickly find the total size of any folder using python. AnneTheAgile 8, 5 5 gold badges 40 40 silver badges 45 45 bronze badges.
I don't know any other command to find size of folders that is faster than du. Use df for file system disk space usage. Use find -maxdepth 1 -type d -name '[!. Use package ncdu. The interface of ncdu is built using ncurses and is interactive. Ncdu is different from df or du. Ncdu just does the one task of reporting the space used by a directory and drill down. On the other hand the df command reports space used by different storage devices.
All folders occupy the same amount of space, namely bytes. You don't want to know the size of the folders, but the size of what's in them. And this demands counting, which in turn demands time. Use the following command, it will display quickly the top 10 directories according to the size occupied in the system:. Sign up to join this community. The best answers are voted up and rise to the top.Pennzoil platinum vs ultra platinum difference
Fast way to display the size of each subdirectory in a directory Ask Question. Asked 4 years, 1 month ago. Active 2 months ago. Viewed 39k times. I want to check which directories take most disk space, quickly.
I tried du -sh subdir but it took more than 20 seconds on bigger directories. Is there a fast way to do this? I don't need to display the size of files, just directories. SDsolar 1, 3 3 gold badges 10 10 silver badges 22 22 bronze badges.
Active Oldest Votes. Use df for file system disk space usage Use find -maxdepth 1 -type d -name '[!. Sundeep Sundeep 9, 1 1 gold badge 17 17 silver badges 32 32 bronze badges. Framester sorry if that's your take away from the answer. I mention in the answer that I do not know if there's a command that's faster than du.
Before I re-invent this particular wheel, has anybody got a nice routine for calculating the size of a directory using Python? And a oneliner for fun using os. Updated To use os. Can also be used to get file size and other file related information. If you use Python 3. In Python 3. Recently I've been using pathlib more and more, here's a pathlib solution:.
Some of the approaches suggested so far implement a recursion, others employ a shell or will not produce neatly formatted results. When your code is one-off for Linux platforms, you can get formatting as usual, recursion included, as a one-liner. Except for the print in the last line, it will work for current versions of python2 and python3 :. Here is a recursive function it recursively sums up the size of all subfolders and their respective files which returns exactly the same bytes as when running "du -sb.
The accepted answer doesn't take into account hard or soft links, and would count those files twice. You'd want to keep track of which inodes you've seen, and not add the size for those files. Chris' answer is good but could be made more idiomatic by using a set to check for seen directories, which also avoids using an exception for control flow:.
I also came across this questionwhich has some more compact and probably more performant strategies for printing file sizes. To convert to kb see Reusable library to get human readable version of file size?
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A little late to the party but in one line provided that you have glob2 and humanize installed. Note that in Python 3, the default iglob has a recursive mode. How to modify the code for Python 3 is left as a trivial exercise for the reader.
The following script prints directory size of all sub-directories for the specified directory. It also tries to benefit if possible from caching the calls of a recursive functions. If an argument is omitted, the script will work in the current directory.
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