Scandir windows c

Strengthen your foundations with the Python Programming Foundation Course and learn the basics. Next Python os.

Recommended Articles. Article Contributed By :. Easy Normal Medium Hard Expert. Writing code in comment? Please use ide. Load Comments. What's New. For example, dict. In scandir 's case, however, the return values are quite different objects DirEntry objects vs filename strings , so this should probably be reflected by a difference in name -- hence scandir. See some relevant discussion on python-dev. However, on further thought and discussion it was decided that this would be bad idea, unless it could be made cross-platform a pattern keyword argument or similar.

Unfortunately the exact Windows wildcard matching rules aren't really documented anywhere by Microsoft, and they're quite quirky see this blog post , meaning it's very problematic to emulate using fnmatch or regexes.

So the consensus was that Windows wildcard support was a bad idea. It would be possible to add at a later date if there's a cross-platform way to achieve it, but not for the initial version. Initially they did not see previous versions of this PEP and the scandir. As a case in point that shows the non-symlink-following version is error prone, this PEP's author had a bug caused by getting this exact test wrong in his initial implementation of scandir. In the end there was not total agreement that the methods should follow symlinks, but there was basic consensus among the most involved participants, and this PEP's author believes that the above case is strong enough to warrant following symlinks by default.

Also, people would expect the attribute access entry. See this May python-dev thread where this PEP author makes this case and there's agreement from a core developers. The idea was to use this simpler, lower-level function as a building block for higher-level functions. At first there was general agreement that simplifying in this way was a good thing.

However, there were two problems with this approach. See this July python-dev response from this PEP's author detailing why this option is a non-ideal solution, and the subsequent reply from Paul Moore voicing agreement. Another seemingly simpler and attractive option was suggested by Nick Coghlan in this June python-dev message : make DirEntry.

This does have the advantage over the above in that you can easily get the stat result from scandir if you need it. However, it has the serious disadvantage that fine-grained error handling is messy, because stat will be called and hence potentially raise OSError during iteration, leading to a rather ugly, hand-made iteration loop:.

Or it means that scandir would have to accept an onerror argument -- a function to call when stat errors occur during iteration. Another drawback is that os.

Always calling os. See Ben Hoyt's July reply to the discussion summarizing this and detailing why he thinks the original PEP proposal is "the right one" after all. This does have the advantage that there are no new types introduced. Also, Python has good support for proper objects with attributes and methods, which makes for a saner and simpler API than two-tuples. It also makes the DirEntry objects more extensible and future-proof as operating systems add functionality and we want to include this in DirEntry.

However, apart from this being a strange and strained! With Antoine Pitrou's new standard library pathlib module, it at first seems like a great idea for scandir to return instances of pathlib. However, pathlib. And if the pathlib. Path instances returned by scandir cached stat values, but the ordinary pathlib.

The full docs for scandir and the DirEntry objects it yields are available in the Python documentation here. But below is a brief summary as well. Like listdir , scandir calls the operating system's directory iteration system calls to get the names of the files in the given path , but it's different from listdir in two ways:. Just like listdir , the '. Each DirEntry object has the following attributes and methods:. Here's a very simple example of scandir showing use of the DirEntry. This subdirs function will be significantly faster with scandir than os.

File bug reports for the version in the Python 3. Skip to content. Star I think this whole issue is just an intermittent problem related to some sync issues between Git bash and Windows. If the error happens, just repeat your last command and chances are high that it works then. You might also want to run a npm cache verify in between to help matters settle.

In my case it was caused by Windows Defender realtime protection on Windows As soon as i added an exception for the node. I was facing the same issue :What I have done is clear cashe of npm and its working for me.

Please do the following. Without CMD as root I got that error related above. Skip to content. This repository has been archived by the owner. It is now read-only. Star Labels bot-closed support windows. Copy link. I'm opening this issue because: npm is crashing.

Other see below for feature requests : What's going wrong? Me too, but node -v prints: v6. KenanY added the support label Jul 13, Tested again with: npm -v prints: 5. Same issue here: npm -v prints: 5. If i clean NPM cache first by force, next npm install will work. Give it a go to check if it helps. Error is gone. You should commit this file. After downgrade npm version to 4.