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Suggest --huge flag when BrokenProcessPool crash occurs #431

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Merged
wdecoster merged 4 commits into from
Mar 17, 2026
Merged

Suggest --huge flag when BrokenProcessPool crash occurs #431

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c7bd31a
Initial plan
Copilot Mar 17, 2026
737ae56
Catch BrokenProcessPool and suggest --huge flag for large file proces…
Copilot Mar 17, 2026
7e6145c
Delete nanomath/__pycache__/nanomath.cpython-312.pyc
wdecoster Mar 17, 2026
0220a99
Delete nanomath/__pycache__/__init__.cpython-312.pyc
wdecoster Mar 17, 2026
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Binary file removed nanomath/__pycache__/__init__.cpython-312.pyc
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6 changes: 6 additions & 0 deletions nanoplot/NanoPlot.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
from os import path
import logging
import sys
import concurrent.futures
import nanoplot.utils as utils
from nanoplot.version import __version__
from nanoplotter.plot import Plot
Expand Down Expand Up @@ -109,6 +110,11 @@ def main():
plots = make_plots(datadf, settings)
make_report(plots, settings)
logging.info("Finished!")
except concurrent.futures.BrokenExecutor:
logging.error("Worker process crashed during file processing", exc_info=True)
print("\n\n\nA worker process crashed, likely due to insufficient memory.")
print("If you are working with a very large file, please try running NanoPlot with the --huge flag.\n")
raise
except Exception as e:
logging.error(e, exc_info=True)
print(f"\n\n\nIf you read this then NanoPlot {__version__} has crashed :-(")
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