import os
from dataclasses import dataclass
@dataclass
class Config:
"""API configuration from environment variables."""
openweather_api_key: str | None = None
nasa_api_key: str | None = None
timeout: int = 30
def __post_init__(self):
self.openweather_api_key = os.environ.get("OPENWEATHER_API_KEY")
self.nasa_api_key = os.environ.get("NASA_API_KEY")
self.timeout = int(os.environ.get("API_TIMEOUT", "30"))
@property
def has_openweather(self) -> bool:
return bool(self.openweather_api_key)
@property
def has_nasa_key(self) -> bool:
return bool(self.nasa_api_key)
def get_availability_summary(self) -> str:
"""Return a summary of API availability."""
lines = [
"API Availability:",
" ✓ NOAA (no key required)",
" ✓ Census (no key required)",
]
if self.has_nasa_key:
lines.append(" ✓ NASA (using API key for higher limits)")
else:
lines.append(" ✓ NASA (no key, limited to 30 req/hour)")
if self.has_openweather:
lines.append(" ✓ OpenWeather (API key configured)")
else:
lines.append(" ✗ OpenWeather (OPENWEATHER_API_KEY not set)")
lines.extend([
" ✓ World Bank (no key required)",
" ✓ Data.gov (no key required)",
" ✓ EU Open Data (no key required)",
])
return "\n".join(lines)
config = Config()
