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feat: Support OpenAI compatible APIs #317

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merged 3 commits into from
Jan 10, 2025
Merged

feat: Support OpenAI compatible APIs #317

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6ec4270
Closes #316
renovate35 Dec 18, 2024
b07bab2
Tweak README for new parameter
niallthomson Dec 18, 2024
748656e
Run yarn prettier --write to fix formatting issues
renovate35 Jan 6, 2025
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1 change: 1 addition & 0 deletions plugins/genai/agent-langgraph/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -53,4 +53,5 @@ genai:
openai:
apiKey: ${OPENAI_API_KEY} # (Required) OpenAI model name
modelName: 'gpt-3.5-turbo-instruct' # (Optional) OpenAI model name
baseUrl: ${OPENAI_API_BASE_URL} # (Optional) URL for OpenAI API endpoint
```
4 changes: 4 additions & 0 deletions plugins/genai/agent-langgraph/config.d.ts
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Expand Up @@ -59,6 +59,10 @@ export interface Config {
* (Optional) Name of the OpenAI model to use
*/
modelName?: string;
/**
* (Optional) Base URL of the OpenAI API
*/
baseUrl?: string;
};
};
};
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20 changes: 17 additions & 3 deletions plugins/genai/agent-langgraph/src/LangGraphReactAgentType.ts
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Expand Up @@ -84,8 +84,10 @@ export class LangGraphReactAgentType implements AgentType {
agentModel =
LangGraphReactAgentType.createBedrockModel(agentLangGraphConfig);
} else if (agentLangGraphConfig.openai) {
agentModel =
LangGraphReactAgentType.createOpenAIModel(agentLangGraphConfig);
agentModel = LangGraphReactAgentType.createOpenAIModel(
agentLangGraphConfig,
logger,
);
} else {
throw new Error('No agent model configured');
}
Expand Down Expand Up @@ -133,10 +135,22 @@ export class LangGraphReactAgentType implements AgentType {
});
}

private static createOpenAIModel(config: LangGraphAgentConfig) {
private static createOpenAIModel(
config: LangGraphAgentConfig,
logger: LoggerService,
) {
const { modelName, apiKey } = config.openai!;

const baseUrl = config.openai?.baseUrl ?? 'https://api.openai.com/v1';

logger.info(
`Instantiating ChatOpenAI model '${modelName}' using baseUrl '${baseUrl}'`,
);

return new ChatOpenAI({
configuration: {
baseURL: baseUrl,
},
apiKey: apiKey,
streaming: true,
modelName: modelName,
Expand Down
1 change: 1 addition & 0 deletions plugins/genai/agent-langgraph/src/config/config.ts
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Expand Up @@ -87,5 +87,6 @@ export function readLangGraphAgentOpenAIConfig(
return {
apiKey: config.getString('apiKey'),
modelName: config.getOptionalString('modelName'),
baseUrl: config.getOptionalString('baseUrl'),
};
}
1 change: 1 addition & 0 deletions plugins/genai/agent-langgraph/src/config/types.ts
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Expand Up @@ -39,4 +39,5 @@ export interface LangGraphAgentBedrockConfig {
export interface LangGraphAgentOpenAIConfig {
apiKey: string;
modelName?: string;
baseUrl?: string;
}
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