# Open Data Integrator
## Overview
Based on DDC methodology (Chapter 2.2), this skill integrates open construction datasets from various sources like government databases, industry benchmarks, weather services, and geospatial data.
**Book Reference:** "Доминирование открытых данных" / "Open Data Dominance"
## Quick Start
```python
from dataclasses import dataclass, field
from enum import Enum
from typing import List, Dict, Optional, Any, Callable
from datetime import datetime, date
import json
import requests
from abc import ABC, abstractmethod
class DataSourceType(Enum):
"""Types of open data sources"""
GOVERNMENT = "government" # Government statistics
INDUSTRY_BENCHMARK = "benchmark" # Industry benchmarks
WEATHER = "weather" # Weather data
GEOSPATIAL = "geospatial" # Geographic data
MATERIAL_PRICES = "material_prices" # Material cost indices
LABOR_RATES = "labor_rates" # Labor cost data
BUILDING_PERMITS = "permits" # Permit data
ENERGY = "energy" # Energy prices/data
ECONOMIC = "economic" # Economic indicators
class UpdateFrequency(Enum):
"""Data update frequency"""
REALTIME = "realtime"
HOURLY = "hourly"
DAILY = "daily"
WEEKLY = "weekly"
MONTHLY = "monthly"
QUARTERLY = "quarterly"
ANNUAL = "annual"
@dataclass
class OpenDataSource:
"""Definition of an open data source"""
id: str
name: str
source_type: DataSourceType
url: str
api_key_required: bool = False
update_frequency: UpdateFrequency = UpdateFrequency.DAILY
format: str = "json"
license: str = "open"
description: Optional[str] = None
fields: List[str] = field(default_factory=list)
@dataclass
class DataRecord:
"""A single data record from a source"""
source_id: str
timestamp: datetime
data: Dict[str, Any]
metadata: Dict[str,...