[Fixes #13992] Handle non-spatial data when an uploaded CSV file includes column names with special characters or spaces

[sijandh35]

Fixes #13992

Checklist

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[gemini-code-assist]

Summary of Changes

Hello @sijandh35, 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 addresses an issue where CSV files with column names containing special characters or spaces were not correctly handled when the data was non-spatial. The changes modify the VRT file generation to properly interpret geometry information from WKT fields or X and Y columns, enhancing the system's ability to process a wider range of CSV formats.

Highlights

• VRT Template Update: The VRT template was updated to handle non-spatial data by adding support for geometry fields encoded as WKT or derived from X and Y columns.
• Geometry Handling: The code now identifies and handles geometry fields specified as Well-Known Text (WKT) or as separate X and Y coordinate columns in the uploaded CSV.
• Field Exclusion: The code was modified to avoid importing the same source column both as an attribute and as a geometry when using WKT.

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Activity

• The PR addresses issue Non-spatial data when an uploaded CSV file includes column names with special characters or spaces #13992.
• All checklist items for the pull request have been confirmed.

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[gemini-code-assist]

Code Review

This pull request enhances CSV file uploads by adding support for creating spatial data from columns when no explicit geometry is present. This is achieved by updating the VRT template to include geometry fields and adding logic in create_vrt_file to detect WKT geometry or X/Y coordinate columns. The changes are logical and well-implemented. I've added one suggestion to improve code clarity and maintainability.

[codecov]

Codecov Report

❌ Patch coverage is 25.00000% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 74.31%. Comparing base (7f6c030) to head (9d44532).
⚠️ Report is 7 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #13993      +/-   ##
==========================================
+ Coverage   74.07%   74.31%   +0.24%     
==========================================
  Files         950      950              
  Lines       56826    57040     +214     
  Branches     7719     7738      +19     
==========================================
+ Hits        42093    42391     +298     
+ Misses      13044    12947      -97     
- Partials     1689     1702      +13     

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