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Surface recorder read failures on stderr #314

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Merged
milanofthe merged 1 commit into from
Jun 2, 2026
Merged

Surface recorder read failures on stderr #314

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8 changes: 6 additions & 2 deletions src/lib/pyodide/pythonHelpers.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -129,7 +129,9 @@ def _extract_scope_data(blocks, node_id_map, incremental=False):
'labels': labels
}
except Exception as e:
print(f"Error reading Scope: {e}")
# stderr (not stdout) so a failing recorder surfaces as an
# error in the console instead of an unexplained empty plot.
print(f"Error reading Scope: {e}", file=__import__('sys').stderr)
elif block_name == 'Subsystem':
if hasattr(block, 'blocks'):
find_scopes(block.blocks)
Expand Down Expand Up @@ -177,7 +179,9 @@ def _extract_spectrum_data(blocks, node_id_map):
'labels': labels
}
except Exception as e:
print(f"Error reading Spectrum: {e}")
# stderr (not stdout) so a failing recorder surfaces as an
# error in the console instead of an unexplained empty plot.
print(f"Error reading Spectrum: {e}", file=__import__('sys').stderr)
elif block_name == 'Subsystem':
if hasattr(block, 'blocks'):
find_spectrums(block.blocks)
Expand Down
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