mirror of
https://github.com/Alishahryar1/free-claude-code.git
synced 2026-04-28 03:20:01 +00:00
101 lines
4.1 KiB
Python
101 lines
4.1 KiB
Python
"""Dependency injection for FastAPI."""
|
|
|
|
from fastapi import HTTPException
|
|
from loguru import logger
|
|
|
|
from config.settings import Settings
|
|
from config.settings import get_settings as _get_settings
|
|
from providers.base import BaseProvider, ProviderConfig
|
|
from providers.exceptions import AuthenticationError
|
|
from providers.lmstudio import LMStudioProvider
|
|
from providers.nvidia_nim import NVIDIA_NIM_BASE_URL, NvidiaNimProvider
|
|
from providers.open_router import OPENROUTER_BASE_URL, OpenRouterProvider
|
|
|
|
# Global provider instance (singleton)
|
|
_provider: BaseProvider | None = None
|
|
|
|
|
|
def get_settings() -> Settings:
|
|
"""Get application settings via dependency injection."""
|
|
return _get_settings()
|
|
|
|
|
|
def _create_provider(settings: Settings) -> BaseProvider:
|
|
"""Construct and return a new provider instance from settings."""
|
|
if settings.provider_type == "nvidia_nim":
|
|
if not settings.nvidia_nim_api_key or not settings.nvidia_nim_api_key.strip():
|
|
raise AuthenticationError(
|
|
"NVIDIA_NIM_API_KEY is not set. Add it to your .env file. "
|
|
"Get a key at https://build.nvidia.com/settings/api-keys"
|
|
)
|
|
config = ProviderConfig(
|
|
api_key=settings.nvidia_nim_api_key,
|
|
base_url=NVIDIA_NIM_BASE_URL,
|
|
rate_limit=settings.provider_rate_limit,
|
|
rate_window=settings.provider_rate_window,
|
|
max_concurrency=settings.provider_max_concurrency,
|
|
http_read_timeout=settings.http_read_timeout,
|
|
http_write_timeout=settings.http_write_timeout,
|
|
http_connect_timeout=settings.http_connect_timeout,
|
|
)
|
|
provider = NvidiaNimProvider(config, nim_settings=settings.nim)
|
|
elif settings.provider_type == "open_router":
|
|
if not settings.open_router_api_key or not settings.open_router_api_key.strip():
|
|
raise AuthenticationError(
|
|
"OPENROUTER_API_KEY is not set. Add it to your .env file. "
|
|
"Get a key at https://openrouter.ai/keys"
|
|
)
|
|
config = ProviderConfig(
|
|
api_key=settings.open_router_api_key,
|
|
base_url=OPENROUTER_BASE_URL,
|
|
rate_limit=settings.provider_rate_limit,
|
|
rate_window=settings.provider_rate_window,
|
|
max_concurrency=settings.provider_max_concurrency,
|
|
http_read_timeout=settings.http_read_timeout,
|
|
http_write_timeout=settings.http_write_timeout,
|
|
http_connect_timeout=settings.http_connect_timeout,
|
|
)
|
|
provider = OpenRouterProvider(config)
|
|
elif settings.provider_type == "lmstudio":
|
|
config = ProviderConfig(
|
|
api_key="lm-studio",
|
|
base_url=settings.lm_studio_base_url,
|
|
rate_limit=settings.provider_rate_limit,
|
|
rate_window=settings.provider_rate_window,
|
|
max_concurrency=settings.provider_max_concurrency,
|
|
http_read_timeout=settings.http_read_timeout,
|
|
http_write_timeout=settings.http_write_timeout,
|
|
http_connect_timeout=settings.http_connect_timeout,
|
|
)
|
|
provider = LMStudioProvider(config)
|
|
else:
|
|
logger.error(
|
|
"Unknown provider_type: '%s'. Supported: 'nvidia_nim', 'open_router', 'lmstudio'",
|
|
settings.provider_type,
|
|
)
|
|
raise ValueError(
|
|
f"Unknown provider_type: '{settings.provider_type}'. "
|
|
f"Supported: 'nvidia_nim', 'open_router', 'lmstudio'"
|
|
)
|
|
logger.info("Provider initialized: %s", settings.provider_type)
|
|
return provider
|
|
|
|
|
|
def get_provider() -> BaseProvider:
|
|
"""Get or create the provider instance based on settings.provider_type."""
|
|
global _provider
|
|
if _provider is None:
|
|
try:
|
|
_provider = _create_provider(get_settings())
|
|
except AuthenticationError as e:
|
|
raise HTTPException(status_code=503, detail=str(e)) from e
|
|
return _provider
|
|
|
|
|
|
async def cleanup_provider():
|
|
"""Cleanup provider resources."""
|
|
global _provider
|
|
if _provider:
|
|
await _provider.cleanup()
|
|
_provider = None
|
|
logger.debug("Provider cleanup completed")
|