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Handle depickling exception #334

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Handle depickling exception #334

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cb11769
Handle UnpicklingError for loading archive
npetersen2 Feb 18, 2024
6ec523c
Add comments to code
npetersen2 Feb 28, 2024
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14 changes: 11 additions & 3 deletions mach_opt/mach_opt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -307,12 +307,20 @@ def save_to_archive(self, x, design, full_results, objs):
def load_from_archive(self):
""" Load data from Pickle optimization archive """

with open(self.archive_filepath, 'rb') as f:
while 1:
with open(self.archive_filepath, "rb") as f:
while True:
try:
yield pickle.load(f) # use generator
# Use generator: each yield returns
# a single design from the archive
yield pickle.load(f)
except EOFError:
# After we read and return the
# full archive, stop and return
break
except pickle.UnpicklingError:
# If there is an issue with the archive file,
# this occurs so it can keep trying
continue

def save_designer(self, designer):
""" Save designer used in optimization"""
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