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Add to_hdf compression #665

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merged 1 commit into from
Nov 11, 2016
Merged

Add to_hdf compression #665

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6 changes: 3 additions & 3 deletions tardis/io/util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -166,7 +166,7 @@ def check_equality(item1, item2):
return True


def to_hdf(path_or_buf, path, elements):
def to_hdf(path_or_buf, path, elements, complevel=9, complib='blosc'):
"""
A function to uniformly store TARDIS data
to an HDF file.
Expand Down Expand Up @@ -217,7 +217,7 @@ def to_hdf(path_or_buf, path, elements):

# Unfortunately, with to_hdf we cannot append, so merge beforehand
scalars_path = os.path.join(path, 'scalars')
with pd.HDFStore(path_or_buf) as store:
with pd.HDFStore(path_or_buf, complevel=complevel, complib=complib) as store:
if scalars_path in store:
scalars_series = store[scalars_path].append(scalars_series)
scalars_series.to_hdf(path_or_buf, os.path.join(path, 'scalars'))
scalars_series.to_hdf(path_or_buf, os.path.join(path, 'scalars'))