A Julia package for interacting with the Hugging Face dataset repository.
Author CarloLucibello
19 Stars
Updated Last
10 Months Ago
Started In
May 2022


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HuggingFaceDatasets.jl is a non-official julia wrapper around the python package datasets from Hugging Face. datasets contains a large collection of machine learning datasets (see here for a list) that this package makes available to the julia ecosystem.

This package is built on top of PythonCall.jl.


HuggingFaceDatasets.jl is a registered Julia package. You can easily install it through the package manager:

pkg> add HuggingFaceDatasets


HuggingFaceDatasets.jl provides wrappers around types from the datasets python package (e.g. Dataset and DatasetDict) along with a few related methods.

Check out the examples/ folder for usage examples.

julia> train_data = load_dataset("mnist", split = "train")
    features: ['image', 'label'],
    num_rows: 60000

# Indexing starts with 1. 
# Python types are returned by default.
julia> train_data[1]
Python dict: {'image': <PIL.PngImagePlugin.PngImageFile image mode=L size=28x28 at 0x2B64E2E90>, 'label': 5}

julia> length(train_data)

# Now we set the julia format
julia> train_data = load_dataset("mnist", split = "train").with_format("julia");

# Returned observations are julia objects
julia> train_data[1]
Dict{String, Any} with 2 entries:
  "label" => 5
  "image" => ColorTypes.Gray{FixedPointNumbers.N0f8}[Gray{N0f8}(0.0) Gray{N0f8}(0.0) … Gray{N0f8}(0.0) Gray{N0f8}(0.0); Gray{N…

julia> train_data[1:2]
Dict{String, Vector} with 2 entries:
  "label" => [5, 0]
  "image" => Base.ReinterpretArray{Gray{N0f8}, 2, UInt8, Matrix{UInt8}, false}[[Gray{N0f8}(0.0) Gray{N0f8}(0.0) … Gray{N0f8}(0.0) Gra…

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