77 lines
2.8 KiB
Python
77 lines
2.8 KiB
Python
from app.contracts import ModelCapability, ProviderConfig, ProviderPreset, ProviderType
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from app.providers.base import ModelProvider
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from app.providers.credentials import CredentialResolver, ProviderCredentialResolver
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from app.providers.ollama import OllamaProvider
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from app.providers.openai_compatible import OpenAICompatibleProvider
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class UnsupportedProviderError(ValueError):
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pass
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class ProviderFactory:
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def __init__(self, credentials: CredentialResolver) -> None:
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# ProviderFactory 是所有可配置 Provider 的创建边界，在此统一禁止
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# Provider 借用 Plugin Secret 引用，避免调用方漏包安全 Resolver。
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self.credentials = ProviderCredentialResolver(credentials)
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def build(self, config: ProviderConfig) -> ModelProvider:
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if config.provider_type in {
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ProviderType.openai_chat,
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ProviderType.openai_compatible,
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}:
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return OpenAICompatibleProvider(
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base_url=config.base_url or "https://api.openai.com/v1",
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credential_id=config.credential_id,
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credentials=self.credentials,
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)
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if config.provider_type == ProviderType.ollama:
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return OllamaProvider(config.base_url or "http://127.0.0.1:11434")
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raise UnsupportedProviderError(config.provider_type.value)
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@staticmethod
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def presets() -> list[ProviderPreset]:
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return [
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ProviderPreset(
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preset_id="openai",
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name="OpenAI",
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provider_type=ProviderType.openai_chat,
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base_url="https://api.openai.com/v1",
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default_credential_id="openai",
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),
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ProviderPreset(
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preset_id="deepseek",
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name="DeepSeek",
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provider_type=ProviderType.openai_compatible,
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base_url="https://api.deepseek.com",
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default_credential_id="deepseek",
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),
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ProviderPreset(
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preset_id="ollama",
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name="Ollama",
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provider_type=ProviderType.ollama,
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base_url="http://127.0.0.1:11434",
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requires_credential=False,
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),
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]
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@staticmethod
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def capabilities(provider_type: ProviderType) -> list[ModelCapability]:
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if provider_type in {
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ProviderType.openai_chat,
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ProviderType.openai_compatible,
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}:
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return [
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ModelCapability.chat,
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ModelCapability.tool_calling,
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ModelCapability.streaming,
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ModelCapability.structured_output,
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]
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if provider_type == ProviderType.ollama:
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return [
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ModelCapability.chat,
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ModelCapability.tool_calling,
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ModelCapability.streaming,
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]
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return []
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