Add support for remote file URIs - #738
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…ccepting URL strings in load_dataset, preserving fsspec-backed paths as the file manager basepath, and reading the ASDF and FITS files through the path object's own open method
…as a load_dataset input type, and add tests and a changelog entry for loading datasets from remote fsspec locations
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…uality_report and preview_movie when it is a remote location, expand the user directory when basepath is set to a local UPath, and correct the basepath type annotations for remote paths
…er so mypy accepts that remote UPath basepaths are filtered out before being used as local paths
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I wanted to do some experiments with reproject and coiled and I need the dataset to live on S3, but currently S3 URIs don't work when trying to load a dataset. Adding support for this isn't too hard as astropy already supports reading FITS files from S3, though I might be missing something, so just let me know. Also feel free to close if this is out of scope.
This is based off #737 and should be rebased when/if that PR is merged