Fix: Ensure correct place properties are used per DCID

[rohitkumarbhagat]

No description provided.

[gemini-code-assist]

Summary of Changes

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This pull request addresses a bug in the filter_by_pvs function within the place resolver, ensuring that place properties are accurately retrieved and associated with their corresponding DCIDs. The changes optimize the property lookup process by prioritizing existing local data and cached values, thereby reducing unnecessary external API calls. New tests confirm the correctness and efficiency of these updates.

Highlights

• Corrected Place Property Association: The filter_by_pvs function was updated to ensure that place properties are correctly associated with their respective DCIDs. This addresses a bug where place_props might not have been correctly mapped to individual DCIDs, especially when multiple places shared DCIDs or a place had multiple DCIDs.
• Optimized Property Lookups: The logic for fetching place properties was refined to first check if a property already exists in the place's local properties, then in the cache, before resorting to an external API call, thereby reducing redundant lookups.
• New Test Cases: Comprehensive unit tests were added to validate the corrected property association and optimized lookup behavior, covering scenarios where properties are local, cached, or require API calls.

Changelog

• tools/statvar_importer/place/place_resolver.py
  • Refactored the filter_by_pvs function to correctly map place properties to individual DCIDs using a new place_props_by_dcid dictionary.
  • Improved the property lookup flow to check for existing local properties and cached values before initiating API calls.
• tools/statvar_importer/place/place_resolver_test.py
  • Added a new test class FilterByPvsTest to cover various scenarios for the filter_by_pvs function.
  • Included tests to verify correct place property usage per DCID.
  • Added tests to ensure API lookups are skipped when local or cached property values are available.

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Code Review

This pull request fixes a critical bug in filter_by_pvs where incorrect place properties were being used for lookups due to improper variable scoping. The change correctly associates DCIDs with their corresponding properties. The addition of unit tests for FilterByPvsTest is also a great improvement, ensuring this logic is well-covered.

I've added one comment with a suggestion to further improve the robustness of the fix, specifically for cases where multiple place entries might share the same DCID. Overall, this is a valuable fix.