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Fix ahi_hsd cleanup during interpreter shutdown #3303

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Fix ahi_hsd cleanup during interpreter shutdown #3303

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8 changes: 6 additions & 2 deletions satpy/readers/ahi_hsd.py
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,7 @@
import logging
import os
import warnings
import weakref

import dask.array as da
import numpy as np
Expand Down Expand Up @@ -357,6 +358,9 @@ def __init__(self, filename, filename_info, filetype_info,
super(AHIHSDFileHandler, self).__init__(filename, filename_info,
filetype_info)

# Register cleanup to be called when garbage collected
weakref.finalize(self, self._cleanup)

self.is_zipped = False
self._unzipped = unzip_file(self.filename, prefix=str(filename_info["segment"]).zfill(2))
# Assume file is not zipped
Expand Down Expand Up @@ -402,8 +406,8 @@ def __init__(self, filename, filename_info, filetype_info,
self.user_calibration = user_calibration
self._round_actual_position = round_actual_position

def __del__(self):
"""Delete the object."""
def _cleanup(self):
"""Delete unzipped file."""
if self.is_zipped and os.path.exists(self.filename):
os.remove(self.filename)

Expand Down
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