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Summary of Changes

Hello @vishalworkdatacommon, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request establishes a new, automated data ingestion pipeline for annual Gross Domestic Product (GDP) data from the U.S. Bureau of Economic Analysis (BEA). It introduces a Python script to manage the download, extraction, and initial cleaning of the raw data, ensuring consistency and readiness for further processing. Complementing this, a comprehensive set of configuration files (manifest, pv_maps, metadata, and remap files) has been added to precisely define how various BEA GDP datasets are transformed and mapped into statistical variables within the Data Commons framework, enabling regular and structured updates of this critical economic indicator.

Highlights

  • New Data Import Pipeline: An automated pipeline has been introduced for importing annual Gross Domestic Product (GDP) data from the U.S. Bureau of Economic Analysis (BEA).
  • Data Download and Preprocessing Script: A new Python script (download_script.py) automates the download, extraction, filtering (for 'ALL_AREAS' files), lowercasing of filenames, and cleaning of CSV data by stripping spaces from key columns.
  • Comprehensive Data Mapping: Extensive property-value map (pv_map) and metadata files have been added for multiple BEA GDP datasets (sagdp1-9, sagdp11), defining how raw data columns map to statistical variables and their properties.
  • StatVar Remapping: Specific remapping files (_remap.csv) are included to standardize long or complex statistical variable names into more concise Data Commons IDs.
  • Automated Scheduling: The manifest.json configures a cron schedule (0 5 3,17 * *) for the data import, ensuring automated execution on the 3rd and 17th of each month at 5 AM.
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Code Review

This pull request introduces a new data import for BEA Annual GDP, including a download script, manifest, and configuration files. The overall structure is good, but there are several areas for improvement. The download script uses incorrect type hints (NoReturn instead of None) and has overly broad exception handling. The manifest.json is highly repetitive and could be greatly simplified by using a helper shell script. Additionally, there are potential correctness issues in the pvmap configuration files related to data filtering and inconsistencies across the metadata files that should be addressed to improve maintainability and correctness.

@SandeepTuniki
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SandeepTuniki commented Dec 29, 2025

Hi @vishalworkdatacommon, before I get into the detailed review - Can you help me understand why this import has so many pv-maps? For example, I see a lot of files with pattern sagdp. How do they differ (ex: sagdgp1 vs sagdp2) from each other?

@SandeepTuniki SandeepTuniki self-requested a review December 29, 2025 08:32
@vishalworkdatacommon
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hi @SandeepTuniki

Please find the details below :

The reason for the high number of pv-maps is that while the files share a similar structure (the sagdp pattern), each one represents a distinct category. Since we cannot mix raw dollars, price indexes, and percentage growth in the same data property, each table requires its own mapping logic.

Here is a quick breakdown of how the files differ:

  • SAGDP1 vs. SAGDP2: SAGDP1 provides the Total Summary (top-line GDP for a state), whereas SAGDP2 provides the Industry Breakdown (detailed contribution by sector).
  • SAGDP1-5 (Current Dollars): These map to nominal dollar values and their components (like compensation or taxes).
  • SAGDP6 & 9 (Real/Chained Dollars): These map to inflation-adjusted values (volume measures).
  • SAGDP7-8 (Indexes): These map to Price and Quantity indexes rather than currency.
  • SAGDP10-11 (Ratios/Growth): These map to percentage shares and percentage point contributions to growth.

By keeping these as separate pv-maps, we ensure that the data is ingested into the correct schema fields without "clashing" or overwriting different types of economic indicators.

@SandeepTuniki
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@vishalworkdatacommon Thanks for the info. Can you please document this in README file as well for future readers?

@vishalworkdatacommon
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Hi @SandeepTuniki

Sure adding it in readme file to.

@vishalworkdatacommon
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Hi @vishalworkdatacommon, before I get into the detailed review - Can you help me understand why this import has so many pv-maps? For example, I see a lot of files with pattern sagdp. How do they differ (ex: sagdgp1 vs sagdp2) from each other?

I have to take them as reference - but that is county level and but this state level as per understanding and knowledge

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