Add CSV import script

[joshuanapoli]

Here is a "back end" utility script for importing CSV data.

I used it successfully to import some sample data.

[gemini-code-assist]

Summary of Changes

Hello @joshuanapoli, 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 introduces a new Python utility script designed to streamline the import of CSV data into the CVec system. The script acts as a backend tool, enabling users to easily ingest time-series metric data from CSV files. It features automatic handling of diverse timestamp formats and intelligent differentiation between numeric and string data types, simplifying the data onboarding process.

Highlights

• New CSV Import Script: A new Python script (scripts/csv_import.py) has been added to facilitate importing CSV data into the CVec platform.
• Flexible Data Parsing: The script automatically detects and parses various timestamp formats and intelligently handles both numeric and string metric values from the CSV.
• Command-Line Utility: The import tool is a command-line utility with options for specifying the CSV file, adding metric prefixes, and configuring CVec host and API key.
• Documentation Update: The README.md has been updated with comprehensive documentation for the new CSV import tool, including usage instructions, options, CSV format requirements, and examples.

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[gemini-code-assist]

Code Review

This pull request introduces a new CSV import script, which is a great addition for bulk data loading. The script is well-structured and includes helpful command-line options and documentation.

My review focuses on improving the script's scalability, maintainability, and robustness. I've suggested implementing batch processing to handle large CSV files efficiently, simplifying some of the data parsing logic, and making the error handling more specific. The documentation update in the README is clear and comprehensive.

[amy-nihao]

Thank you! I did not run the script to avoid messing with the dataset before the demo, but was able to chart it in sandbox