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Changelog.python.md

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Changelog

Python Icechunk Library 0.1.0a6

Fixes

  • Fixed an error during commits where chunks would get mixed between different arrays

Python Icechunk Library 0.1.0a5

Features

  • Sync with zarr 3.0b2. The biggest change is the mode param on IcechunkStore methods has been simplified to read_only.
  • Changed IcechunkStore::distributed_commit to IcechunkStore::merge, which now does not commit, but attempts to merge the changes from another store back into the current store.
  • Added a new icechunk.dask.store_dask method to write a dask array to an icechunk store. This is required for safely writing dask arrays to an icechunk store.
  • Added a new icechunk.xarray.to_icechunk method to write an xarray dataset to an icechunk store. This is required for safely writing xarray datasets with dask arrays to an icechunk store in a distributed or multi-processing context.

Fixes

  • The StorageConfig methods have been correctly typed.
  • IcechunkStore instances are now set to read_only by default after pickling.
  • When checking out a snapshot or tag, the IcechunkStore will be set to read-only. If you want to write to the store, you must call IcechunkStore::set_writeable().
  • An error will now be raised if you try to checkout a snapshot that does not exist.

Python Icechunk Library 0.1.0a4

Features

  • Added IcechunkStore::reset_branch and IcechunkStore::async_reset_branch methods to point the head of the current branch to another snapshot, changing the history of the branch

Fixes

  • Zarr metadata will now only include the attributes key when the attributes dictionary of the node is not empty, aligning Icechunk with the python-zarr implementation.

Python Icechunk Library 0.1.0a2

Features

  • Initial release