Add Kaggle datasets #9
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@allisonwang-db |
pyspark_datasources/kaggle.py
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| from functools import cached_property | ||
| from typing import Iterator | ||
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| import pyarrow as pa |
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Do we have to depend on pyarrow? Can we throw a better error message if pyarrow is not installed?
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Good point. Depending on pyarrow should be fine since pyspark data source itself depends on pyarrow. Let's import pyarrow later so that pyspark shows the error message if it's missing.
allisonwang-db
approved these changes
Mar 27, 2025
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The Kaggle data source is simply a wrapper around
kagglehub.dataset_loadwhich allows loading a dataset as a pandas dataframe.Addition of Kaggle Data Source:
pyspark_datasources/kaggle.py: Added theKaggleDataSourceclass for reading Kaggle datasets in Spark, including methods for schema and data reading.pyspark_datasources/__init__.py: Imported theKaggleDataSourceclass to make it available in the module.Documentation Updates:
docs/datasources/kaggle.md: Added documentation for theKaggleDataSource, including requirements and usage examples.docs/index.md: Updated the index to include theKaggleDataSourcein the list of available data sources.Project Configuration:
pyproject.toml: Added thekagglehublibrary as an optional dependency for the project.Testing:
tests/test_data_sources.py: Added a new test case for theKaggleDataSourceto ensure it can read a dataset from Kaggle correctly.