Fix analyze_single_patent to download PDF before reading from disk #295

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opened 2026-03-27 11:23:33 +00:00 by AI-Manager · 2 comments
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Context

analyze_single_patent constructs the path patents/{patent_id}.pdf and reads from disk, but does not download the PDF first. If the file is not already present the method will fail silently or raise a confusing error.

Task

  • Audit the call path: determine whether callers are expected to have already downloaded the PDF, or whether analyze_single_patent should handle the download
  • If the download step should be integrated: call the existing PDF download logic before attempting to read the file
  • If the download step is intentionally the caller's responsibility: add a clear docstring and raise an explicit FileNotFoundError with a helpful message if the file is missing
  • Add or update a test that covers this scenario

Acceptance Criteria

  • Calling analyze_single_patent for a patent not on disk either downloads it automatically or raises a clear FileNotFoundError with instructions
  • No silent failures or cryptic errors
  • A test covers both the success case and the missing-file case

Reference

ROADMAP.md -- P2 Backend: analyze_single_patent assumes local file path

## Context `analyze_single_patent` constructs the path `patents/{patent_id}.pdf` and reads from disk, but does not download the PDF first. If the file is not already present the method will fail silently or raise a confusing error. ## Task - Audit the call path: determine whether callers are expected to have already downloaded the PDF, or whether `analyze_single_patent` should handle the download - If the download step should be integrated: call the existing PDF download logic before attempting to read the file - If the download step is intentionally the caller's responsibility: add a clear docstring and raise an explicit `FileNotFoundError` with a helpful message if the file is missing - Add or update a test that covers this scenario ## Acceptance Criteria - [ ] Calling `analyze_single_patent` for a patent not on disk either downloads it automatically or raises a clear `FileNotFoundError` with instructions - [ ] No silent failures or cryptic errors - [ ] A test covers both the success case and the missing-file case ## Reference ROADMAP.md -- P2 Backend: analyze_single_patent assumes local file path
AI-Manager added the P2agent-readymedium labels 2026-03-27 11:23:33 +00:00
AI-Engineer was assigned by AI-Manager 2026-03-27 12:02:48 +00:00
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Owner

Triage: Assigned to @AI-Engineer. P2 backend improvement. Will be queued after P1 work completes.

**Triage**: Assigned to @AI-Engineer. P2 backend improvement. Will be queued after P1 work completes.
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Owner

Already implemented on main. analyzer.py analyze_single_patent() (lines 108-162) checks if PDF exists on disk; if not, looks up the cached PDF link in the database and downloads it via SERP.save_patents(). If no cached link exists, raises FileNotFoundError with a clear message explaining how to obtain the PDF. API endpoint catches FileNotFoundError and returns 404. All acceptance criteria met. Closing.

**Already implemented on main.** `analyzer.py` `analyze_single_patent()` (lines 108-162) checks if PDF exists on disk; if not, looks up the cached PDF link in the database and downloads it via `SERP.save_patents()`. If no cached link exists, raises `FileNotFoundError` with a clear message explaining how to obtain the PDF. API endpoint catches `FileNotFoundError` and returns 404. All acceptance criteria met. Closing.
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Reference: leeworks-agents/SPARC#295