Shape Files to KML Conversion Script

I need a Python script to convert Shape Files to KML files for bulk import into digitalmatters.com telematics. The KML files should be formatted to include speed zones.

Requirements:
- Support for bulk imports
- Must validate speed zones
- Detailed error logs

I can provide sample Shape Files and KML files for reference. Ideal skills include:
- Proficiency in Python
- Experience with geospatial data formats
- Knowledge of KML and Shape File structures
- Strong error handling and logging capabilities