🔧 Common Issues

Content Outline

Comprehensive troubleshooting guide for PyMapGIS developers:

1. Installation and Setup Issues

• Poetry installation problems
• Dependency conflicts and resolution
• Python version compatibility issues
• System dependency requirements
• Virtual environment problems

2. Import and Module Issues

• Import errors and missing dependencies
• Circular import problems
• Optional dependency handling
• Plugin loading failures
• Path and PYTHONPATH issues

3. Data Source Issues

• API authentication failures
• Network connectivity problems
• Data source unavailability
• Rate limiting and throttling
• Invalid URL formats

4. Performance Issues

• Memory usage problems
• Slow data loading
• Cache performance issues
• Large dataset handling
• Visualization performance

5. Geospatial Data Issues

• Coordinate reference system problems
• Geometry validation errors
• Projection and transformation issues
• Data format compatibility
• Spatial indexing problems

6. Testing Issues

• Test environment setup
• Mock data and fixtures
• Test isolation problems
• Performance test variability
• CI/CD pipeline failures

7. Development Environment Issues

• IDE configuration problems
• Debugging setup issues
• Code formatting conflicts
• Linting and type checking errors
• Pre-commit hook failures

8. Caching Issues

• Cache corruption problems
• Cache size and storage issues
• Cache invalidation problems
• Performance degradation
• Cache backend failures

9. Visualization Issues

• Map rendering problems
• Interactive widget failures
• Export and sharing issues
• Browser compatibility problems
• Performance with large datasets

10. Plugin Development Issues

• Plugin registration failures
• Configuration and settings problems
• Plugin isolation issues
• Testing and validation problems
• Distribution and packaging issues

11. Error Messages and Diagnostics

• Common error message interpretations
• Diagnostic information collection
• Log analysis and debugging
• Performance profiling
• Support information gathering

12. Best Practices for Issue Resolution

• Systematic troubleshooting approach
• Information gathering techniques
• Community support resources
• Bug reporting guidelines
• Prevention strategies

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This guide will provide practical solutions, workarounds, and prevention strategies for common issues encountered during PyMapGIS development.