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3aba6a9 b1d075d 3aba6a9 b1d075d 3aba6a9 b1d075d 3aba6a9 b1d075d 3aba6a9 b1d075d 3aba6a9 b1d075d 3aba6a9 b1d075d 3aba6a9 b1d075d 3aba6a9 b1d075d 3aba6a9 b1d075d 3aba6a9 b1d075d 3aba6a9 b1d075d 3aba6a9 b1d075d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 | """
API Client Factory
Provides standardized creation and configuration of all API clients.
Eliminates duplicate client instantiation patterns across the codebase.
"""
import os
from typing import Optional, Dict, Any
import structlog
from .rate_limiter import UnifiedRateLimiter
# Optional import for SystemConfig - handle case where it doesn't exist yet
try:
from ..models.agent_models import SystemConfig
except ImportError:
# Create a placeholder for SystemConfig if not available
class SystemConfig:
pass
logger = structlog.get_logger(__name__)
class APIClientFactory:
"""
Factory for creating configured API clients.
Provides a centralized way to create all API clients with proper
rate limiting, configuration, and dependency injection.
"""
def __init__(self, system_config: Optional[SystemConfig] = None):
"""
Initialize client factory.
Args:
system_config: System configuration (optional)
"""
self.system_config = system_config
self.logger = logger.bind(service="APIClientFactory")
# Cache for rate limiters (shared across clients of same type)
self._rate_limiters: Dict[str, UnifiedRateLimiter] = {}
self.logger.info("API Client Factory initialized")
async def create_lastfm_client(
self,
api_key: Optional[str] = None,
rate_limit: Optional[float] = None,
shared_secret: Optional[str] = None
) -> "LastFmClient":
"""
Create configured Last.fm client.
Args:
api_key: Last.fm API key (defaults to env var or system config)
rate_limit: Requests per second (defaults to system config)
shared_secret: Last.fm shared secret (optional)
Returns:
Configured LastFmClient instance
"""
# Resolve configuration
api_key = api_key or self._get_lastfm_api_key()
rate_limit = rate_limit or self._get_lastfm_rate_limit()
if not api_key:
raise ValueError("Last.fm API key is required")
# Get or create rate limiter
rate_limiter_key = f"lastfm_{rate_limit}"
if rate_limiter_key not in self._rate_limiters:
self._rate_limiters[rate_limiter_key] = (
UnifiedRateLimiter.for_lastfm(rate_limit)
)
# Import here to avoid circular imports
from .lastfm_client import LastFmClient
client = LastFmClient(
api_key=api_key,
shared_secret=shared_secret,
rate_limiter=self._rate_limiters[rate_limiter_key]
)
self.logger.info(
"Last.fm client created",
rate_limit=rate_limit,
has_shared_secret=bool(shared_secret)
)
return client
async def create_spotify_client(
self,
client_id: Optional[str] = None,
client_secret: Optional[str] = None,
rate_limit: Optional[int] = None
) -> "SpotifyClient":
"""
Create configured Spotify client.
Args:
client_id: Spotify client ID (defaults to env var or system config)
client_secret: Spotify client secret (defaults to env var or
system config)
rate_limit: Requests per hour (defaults to system config)
Returns:
Configured SpotifyClient instance
"""
# Resolve configuration
client_id = client_id or self._get_spotify_client_id()
client_secret = client_secret or self._get_spotify_client_secret()
rate_limit = rate_limit or self._get_spotify_rate_limit()
if not client_id or not client_secret:
raise ValueError("Spotify client ID and secret are required")
# Get or create rate limiter
rate_limiter_key = f"spotify_{rate_limit}"
if rate_limiter_key not in self._rate_limiters:
self._rate_limiters[rate_limiter_key] = (
UnifiedRateLimiter.for_spotify(rate_limit)
)
# Import here to avoid circular imports
from .spotify_client import SpotifyClient
client = SpotifyClient(
client_id=client_id,
client_secret=client_secret,
rate_limiter=self._rate_limiters[rate_limiter_key]
)
self.logger.info(
"Spotify client created",
rate_limit=rate_limit
)
return client
def create_gemini_rate_limiter(
self,
calls_per_minute: Optional[int] = None
) -> UnifiedRateLimiter:
"""
Create rate limiter for Gemini LLM API.
Args:
calls_per_minute: Calls per minute (defaults to system config)
Returns:
Configured rate limiter for Gemini
"""
calls_per_minute = calls_per_minute or self._get_gemini_rate_limit()
rate_limiter_key = f"gemini_{calls_per_minute}"
if rate_limiter_key not in self._rate_limiters:
self._rate_limiters[rate_limiter_key] = (
UnifiedRateLimiter.for_gemini(calls_per_minute)
)
return self._rate_limiters[rate_limiter_key]
def get_rate_limiter_stats(self) -> Dict[str, Dict[str, Any]]:
"""
Get statistics for all active rate limiters.
Returns:
Dictionary of rate limiter statistics
"""
stats = {}
for key, limiter in self._rate_limiters.items():
stats[key] = limiter.get_current_usage()
return stats
def reset_rate_limiters(self) -> None:
"""Reset all rate limiters (useful for testing)."""
for limiter in self._rate_limiters.values():
limiter.reset()
self.logger.info("All rate limiters reset")
# Configuration resolution methods
def _get_lastfm_api_key(self) -> Optional[str]:
"""Get Last.fm API key from configuration or environment."""
if (self.system_config and
hasattr(self.system_config, 'lastfm_api_key')):
return self.system_config.lastfm_api_key
return os.getenv('LASTFM_API_KEY')
def _get_lastfm_rate_limit(self) -> float:
"""Get Last.fm rate limit from configuration."""
if (self.system_config and
hasattr(self.system_config, 'lastfm_rate_limit')):
return self.system_config.lastfm_rate_limit
return 3.0 # Default
def _get_spotify_client_id(self) -> Optional[str]:
"""Get Spotify client ID from configuration or environment."""
if (self.system_config and
hasattr(self.system_config, 'spotify_client_id')):
return self.system_config.spotify_client_id
return os.getenv('SPOTIFY_CLIENT_ID')
def _get_spotify_client_secret(self) -> Optional[str]:
"""Get Spotify client secret from configuration or environment."""
if (self.system_config and
hasattr(self.system_config, 'spotify_client_secret')):
return self.system_config.spotify_client_secret
return os.getenv('SPOTIFY_CLIENT_SECRET')
def _get_spotify_rate_limit(self) -> int:
"""Get Spotify rate limit from configuration."""
if (self.system_config and
hasattr(self.system_config, 'spotify_rate_limit')):
return self.system_config.spotify_rate_limit
return 50 # Default
def _get_gemini_rate_limit(self) -> int:
"""Get Gemini rate limit from configuration."""
if (self.system_config and
hasattr(self.system_config, 'gemini_rate_limit')):
return self.system_config.gemini_rate_limit
return 15 # Default
# Global factory instance for convenience
_global_factory: Optional[APIClientFactory] = None
def get_client_factory(
system_config: Optional[SystemConfig] = None
) -> APIClientFactory:
"""
Get global client factory instance.
Args:
system_config: System configuration (optional, used for initialization)
Returns:
Global APIClientFactory instance
"""
global _global_factory
if _global_factory is None:
_global_factory = APIClientFactory(system_config)
return _global_factory
def reset_client_factory():
"""Reset global client factory (useful for testing)."""
global _global_factory
_global_factory = None
# Convenience functions for quick client creation
async def create_lastfm_client(
api_key: Optional[str] = None,
rate_limit: Optional[float] = None
) -> "LastFmClient":
"""Create Last.fm client using global factory."""
factory = get_client_factory()
return await factory.create_lastfm_client(api_key, rate_limit)
async def create_spotify_client(
client_id: Optional[str] = None,
client_secret: Optional[str] = None,
rate_limit: Optional[int] = None
) -> "SpotifyClient":
"""Create Spotify client using global factory."""
factory = get_client_factory()
return await factory.create_spotify_client(
client_id, client_secret, rate_limit
) |