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https://github.com/Alishahryar1/free-claude-code.git
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113 lines
4.3 KiB
Python
113 lines
4.3 KiB
Python
"""Dependency injection for FastAPI."""
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from fastapi import HTTPException
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from loguru import logger
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from config.settings import NVIDIA_NIM_BASE_URL, Settings
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from config.settings import get_settings as _get_settings
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from providers.base import BaseProvider, ProviderConfig
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# Global provider instance (singleton)
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_provider: BaseProvider | None = None
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def get_settings() -> Settings:
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"""Get application settings via dependency injection."""
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return _get_settings()
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def _create_provider(settings: Settings) -> BaseProvider:
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"""Construct and return a new provider instance from settings."""
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if settings.provider_type == "nvidia_nim":
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if not settings.nvidia_nim_api_key or not settings.nvidia_nim_api_key.strip():
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raise HTTPException(
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status_code=503,
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detail=(
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"NVIDIA_NIM_API_KEY is not set. Add it to your .env file. "
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"Get a key at https://build.nvidia.com/settings/api-keys"
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),
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)
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from providers.nvidia_nim import NvidiaNimProvider
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config = ProviderConfig(
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api_key=settings.nvidia_nim_api_key,
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base_url=NVIDIA_NIM_BASE_URL,
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rate_limit=settings.provider_rate_limit,
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rate_window=settings.provider_rate_window,
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max_concurrency=settings.provider_max_concurrency,
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http_read_timeout=settings.http_read_timeout,
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http_write_timeout=settings.http_write_timeout,
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http_connect_timeout=settings.http_connect_timeout,
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)
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provider = NvidiaNimProvider(config, nim_settings=settings.nim)
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elif settings.provider_type == "open_router":
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if not settings.open_router_api_key or not settings.open_router_api_key.strip():
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raise HTTPException(
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status_code=503,
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detail=(
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"OPENROUTER_API_KEY is not set. Add it to your .env file. "
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"Get a key at https://openrouter.ai/keys"
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),
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)
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from providers.open_router import OpenRouterProvider
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config = ProviderConfig(
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api_key=settings.open_router_api_key,
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base_url="https://openrouter.ai/api/v1",
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rate_limit=settings.provider_rate_limit,
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rate_window=settings.provider_rate_window,
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max_concurrency=settings.provider_max_concurrency,
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http_read_timeout=settings.http_read_timeout,
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http_write_timeout=settings.http_write_timeout,
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http_connect_timeout=settings.http_connect_timeout,
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)
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provider = OpenRouterProvider(config)
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elif settings.provider_type == "lmstudio":
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from providers.lmstudio import LMStudioProvider
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config = ProviderConfig(
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api_key="lm-studio",
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base_url=settings.lm_studio_base_url,
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rate_limit=settings.provider_rate_limit,
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rate_window=settings.provider_rate_window,
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max_concurrency=settings.provider_max_concurrency,
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http_read_timeout=settings.http_read_timeout,
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http_write_timeout=settings.http_write_timeout,
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http_connect_timeout=settings.http_connect_timeout,
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)
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provider = LMStudioProvider(config)
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else:
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logger.error(
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"Unknown provider_type: '%s'. Supported: 'nvidia_nim', 'open_router', 'lmstudio'",
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settings.provider_type,
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)
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raise ValueError(
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f"Unknown provider_type: '{settings.provider_type}'. "
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f"Supported: 'nvidia_nim', 'open_router', 'lmstudio'"
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)
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logger.info("Provider initialized: %s", settings.provider_type)
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return provider
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def get_provider() -> BaseProvider:
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"""Get or create the provider instance based on settings.provider_type."""
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global _provider
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if _provider is None:
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_provider = _create_provider(get_settings())
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return _provider
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async def cleanup_provider():
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"""Cleanup provider resources."""
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global _provider
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if _provider:
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client = getattr(_provider, "_client", None)
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if client and hasattr(client, "aclose"):
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await client.aclose()
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elif client:
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logger.warning(
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"Provider client %r has no aclose(); skipping async cleanup",
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type(client).__name__,
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)
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_provider = None
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logger.debug("Provider cleanup completed")
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