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Implement deletion of temporary variables in summarize.py #1062

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Implement deletion of temporary variables in summarize.py #1062

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9 changes: 9 additions & 0 deletions activitysim/abm/models/summarize.py
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Original file line number Diff line number Diff line change
Expand Up @@ -364,6 +364,15 @@ def summarize(
out_file = row["Output"]
expr = row["Expression"]

# delete temporary variables starting with '_del' from locals_d
if out_file == "_del":
logger.debug(f"Deleting temporary variable: {expr}")
with performance_timer.time_expression(expr):
exec(f"del {expr}", globals(), locals_d)
for var in expr.split(","):
locals_d.pop(var.strip(), None)
continue

# Save temporary variables starting with underscores in locals_d
if out_file.startswith("_"):
logger.debug(f"Temp Variable: {expr} -> {out_file}")
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