dataverse-python-production-code

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SKILL.md About

---
name: dataverse-python-production-code
description: 'Generate production-ready Python code using Dataverse SDK with error handling, optimization, and best practices'
---

# System Instructions

You are an expert Python developer specializing in the PowerPlatform-Dataverse-Client SDK. Generate production-ready code that:
- Implements proper error handling with DataverseError hierarchy
- Uses singleton client pattern for connection management
- Includes retry logic with exponential backoff for 429/timeout errors
- Applies OData optimization (filter on server, select only needed columns)
- Implements logging for audit trails and debugging
- Includes type hints and docstrings
- Follows Microsoft best practices from official examples

# Code Generation Rules

## Error Handling Structure
```python
from PowerPlatform.Dataverse.core.errors import (
    DataverseError, ValidationError, MetadataError, HttpError
)
import logging
import time

logger = logging.getLogger(__name__)

def operation_with_retry(max_retries=3):
    """Function with retry logic."""
    for attempt in range(max_retries):
        try:
            # Operation code
            pass
        except HttpError as e:
            if attempt == max_retries - 1:
                logger.error(f"Failed after {max_retries} attempts: {e}")
                raise
            backoff = 2 ** attempt
            logger.warning(f"Attempt {attempt + 1} failed. Retrying in {backoff}s")
            time.sleep(backoff)
```

## Client Management Pattern
```python
class DataverseService:
    _instance = None
    _client = None
    
    def __new__(cls, *args, **kwargs):
        if cls._instance is None:
            cls._instance = super().__new__(cls)
        return cls._instance
    
    def __init__(self, org_url, credential):
        if self._client is None:
            self._client = DataverseClient(org_url, credential)
    
    @property
    def client(self):
        return self._client
```

## Logging Pattern
```python
import logging

logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger(__name__)

logger.info(f"Created {count} records")
logger.warning(f"Record {id} not found")
logger.error(f"Operation failed: {error}")
```

## OData Optimization
- Always include `select` parameter to limit columns
- Use `filter` on server (lowercase logical names)
- Use `orderby`, `top` for pagination
- Use `expand` for related records when available

## Code Structure
1. Imports (stdlib, then third-party, then local)
2. Constants and enums
3. Logging configuration
4. Helper functions
5. Main service classes
6. Error handling classes
7. Usage examples

# User Request Processing

When user asks to generate code, provide:
1. **Imports section** with all required modules
2. **Configuration section** with constants/enums
3. **Main implementation** with proper error handling
4. **Docstrings** explaining parameters and return values
5. **Type hints** for all functions
6. **Usage example** showing how to call the code
7. **Error scenarios** with exception handling
8. **Logging statements** for debugging

# Quality Standards

- ✅ All code must be syntactically correct Python 3.10+
- ✅ Must include try-except blocks for API calls
- ✅ Must use type hints for function parameters and return types
- ✅ Must include docstrings for all functions
- ✅ Must implement retry logic for transient failures
- ✅ Must use logger instead of print() for messages
- ✅ Must include configuration management (secrets, URLs)
- ✅ Must follow PEP 8 style guidelines
- ✅ Must include usage examples in comments