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R interface to torchvision
https://torchvision.mlverse.org
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error when downloading tiny_imagenet_dataset #88

Closed jlxAtNovozymes closed 1 year ago

jlxAtNovozymes commented 1 year ago

Hi, guys, when I created dataset for tidy_imagenet_dataset, an error occurred image

skeydan commented 1 year ago

Can you try and erase the folder, and start afresh? In re-trying, does the download finish successively, or does it stop early (ending up with a corrupted file)?

If the download itself is ok, and you still get the error, can you check out the traceback?

nwstephens commented 1 year ago

I am having a similar issue, except this works for me on Windows but not for Linux.

On Linux:

> tiny_imagenet_dataset(".", download = TRUE)
Downloding tiny imagenet dataset!
Download complete. Now unzipping.
Error in file(file, "rt") : cannot open the connection
In addition: Warning message:
In file(file, "rt") :
  cannot open file '/home/rstudio/tiny-imagenet-200/val/val_annotations.txt': No such file or directory

On Windows:

> tiny_imagenet_dataset(".", download = TRUE)
Downloding tiny imagenet dataset!
Download complete. Now unzipping.
Done!
<tiny_imagenet>
  Inherits from: <image_folder>
  Public:
    .find_classes: function (dir) 
    .getitem: function (index) 
    .length: function () 
    class_to_idx: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 ...
    classes: n01443537 n01629819 n01641577 n01644900 n01698640 n01742 ...
    clone: function (deep = FALSE) 
    download: function () 
    extensions: jpg jpeg png
    imgs: list
    initialize: function (root, split = "train", download = FALSE, ...) 
    loader: function (path) 
    root: C:/Users/nstephens/OneDrive - NVIDIA Corporation/Documen ...
    root_path: C:\Users\nstephens\OneDrive - NVIDIA Corporation\Documen ...
    samples: list
    tar_name: tiny-imagenet-200
    target_transform: NULL
    targets: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  ...
    transform: NULL
    url: http://cs231n.stanford.edu/tiny-imagenet-200.zip

I've cleared out existing directories in Linux. I am not sure why it is failing on Linux but working on Windows.

skeydan commented 1 year ago

@nwstephens see https://github.com/r-lib/zip/issues/98

This should work once you use dev zip