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Avoid roundtrip to qcodes format when loading as xarray from netcdf #5627

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merged 7 commits into from
Jan 19, 2024
Merged

Avoid roundtrip to qcodes format when loading as xarray from netcdf #5627

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c9d55aa
defer converting from xarray until required
jenshnielsen Jan 8, 2024
0c14c52
directly returning a xr dataset when loading from netcdf file
jenshnielsen Jan 8, 2024
3089a5c
lazy load netcdf file
jenshnielsen Jan 18, 2024
5b6aa8e
fix typechecking
jenshnielsen Jan 18, 2024
85f70b3
add test that loading into xarray does not trigger conversion to qcodes
jenshnielsen Jan 18, 2024
6b2cdc7
add changelog for 5627
jenshnielsen Jan 18, 2024
4c175f9
Update docs/changes/newsfragments/5627.improved
jenshnielsen Jan 19, 2024
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directly returning a xr dataset when loading from netcdf file
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@jenshnielsen
jenshnielsen committed Jan 18, 2024
commit 0c14c52eeaea304a8e8e94a67a4229fe427a162b
12 changes: 12 additions & 0 deletions src/qcodes/dataset/data_set_cache.py
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Expand Up @@ -465,6 +465,18 @@ def load_data_from_db(self) -> None:
)


def to_xarray_dataset(
self, *, use_multi_index: Literal["auto", "always", "never"] = "auto"
) -> xr.Dataset:
if use_multi_index == "always":
ds = self._xr_dataset.stack()
elif use_multi_index == "never":
ds = self._xr_dataset.unstack()
else:
ds = self._xr_dataset
return ds


class DataSetCacheWithDBBackend(DataSetCache["DataSet"]):
def load_data_from_db(self) -> None:
"""
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