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Add __getstate__ for smaller pickles #14

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Merged
timomit merged 1 commit into from
Sep 11, 2026
Merged

Add __getstate__ for smaller pickles #14

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9 changes: 9 additions & 0 deletions stdd_calculator/src/stddc/ppd.py
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,15 @@ def __init__(self, stddmaker: STDDMaker, w_range: npt.NDArray):
self._distribute_stddmakers()
self.sal_grid = np.zeros((self.w_len, self.w_len, 2))

def __getstate__(self) -> dict:
"""Custom __getstate__ for pickle.

Strip away the heavy _stddmaker_grid when pickling.
"""
state = self.__dict__.copy()
state["_stddmaker_grid"] = []
return state

@property
def sal_12(self) -> npt.NDArray:
"""SAL values for W_12 (shape: w_len × w_len)."""
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