Add missing file detection keywords for REPL mode#60
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Added missing file-writing keywords to the REPL mode file detection list. Previously, files created with pandas to_excel() and other export methods were not captured because the keyword list only included: open(), savefig, to_csv, write(), .save(). Added: to_excel, to_json, to_parquet, to_html, to_xml, to_feather, to_pickle, dump() (for json.dump, pickle.dump, yaml.dump). This fix ensures generated files are properly detected and returned in the API response when using REPL mode (Python only).
Fix REPL file detection for pandas export methods
usnavy13
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Mar 3, 2026
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usnavy13
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Looks good. Clean, minimal bug fix — extends the REPL file detection keyword list with missing pandas export methods and dump(). No correctness or security concerns; false positives only trigger an extra file scan (~1s), not incorrect behavior.
djuillard
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Apr 21, 2026
Add missing file detection keywords for REPL mode
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Body:
Description
When Python REPL mode is enabled, files generated with
to_excel()and other pandas export methods are not captured in the API response. Thefilesarray comes back empty even though the file is successfully created in/mnt/data/.This is because the keyword list in
src/services/execution/runner.pythat triggers file detection in REPL mode is missing several common file-writing methods.This change extends the keyword list to include:
to_excel,to_json,to_parquet,to_html,to_xml,to_feather,to_pickle, anddump()(forjson.dump,pickle.dump,yaml.dumppatterns).Fixes #59
Type of change
How Has This Been Tested?
Tested by executing Python code via the
/execendpoint with REPL mode enabled:to_excel()— previously returned emptyfilesarray, now correctly captures the.xlsxfileto_csv()— confirmed still working (was already in the keyword list)open()/write()— confirmed still workingTest configuration:
Checklist: