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feat: add watsonx ai provider (#1163)
Signed-off-by: JINSONG WANG <jswang@ibm.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| package ai | ||
|
|
||
| import ( | ||
| "os" | ||
| "fmt" | ||
| "context" | ||
| "errors" | ||
|
|
||
| wx "github.com/IBM/watsonx-go/pkg/models" | ||
| ) | ||
|
|
||
| const watsonxAIClientName = "watsonxai" | ||
|
|
||
| type WatsonxAIClient struct { | ||
| nopCloser | ||
|
|
||
| client *wx.Client | ||
| model string | ||
| temperature float32 | ||
| topP float32 | ||
| topK int32 | ||
| maxNewTokens int | ||
| } | ||
|
|
||
| const ( | ||
| modelMetallama = "ibm/granite-13b-chat-v2" | ||
| ) | ||
|
|
||
| func (c *WatsonxAIClient) Configure(config IAIConfig) error { | ||
| if(config.GetModel() == "") { | ||
| c.model = config.GetModel() | ||
| } else { | ||
| c.model = modelMetallama | ||
| } | ||
| c.temperature = config.GetTemperature() | ||
| c.topP = config.GetTopP() | ||
| c.topK = config.GetTopK() | ||
| c.maxNewTokens = config.GetMaxTokens() | ||
|
|
||
| // WatsonxAPIKeyEnvVarName = "WATSONX_API_KEY" | ||
| // WatsonxProjectIDEnvVarName = "WATSONX_PROJECT_ID" | ||
| apiKey, projectID := os.Getenv(wx.WatsonxAPIKeyEnvVarName), os.Getenv(wx.WatsonxProjectIDEnvVarName) | ||
|
|
||
| if apiKey == "" { | ||
| return errors.New("No watsonx API key provided") | ||
| } | ||
| if projectID == "" { | ||
| return errors.New("No watsonx project ID provided") | ||
| } | ||
|
|
||
| client, err := wx.NewClient( | ||
| wx.WithWatsonxAPIKey(apiKey), | ||
| wx.WithWatsonxProjectID(projectID), | ||
| ) | ||
| if err != nil { | ||
| return fmt.Errorf("Failed to create client for testing. Error: %v", err) | ||
| } | ||
| c.client = client | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (c *WatsonxAIClient) GetCompletion(ctx context.Context, prompt string) (string, error) { | ||
| result, err := c.client.GenerateText( | ||
| c.model, | ||
| prompt, | ||
| wx.WithTemperature((float64)(c.temperature)), | ||
| wx.WithTopP((float64)(c.topP)), | ||
| wx.WithTopK((uint)(c.topK)), | ||
| wx.WithMaxNewTokens((uint)(c.maxNewTokens)), | ||
| ) | ||
| if err != nil { | ||
| return "", fmt.Errorf("Expected no error, but got an error: %v", err) | ||
| } | ||
| if result.Text == "" { | ||
| return "", errors.New("Expected a result, but got an empty string") | ||
| } | ||
|
|
||
| return result.Text, nil | ||
| } | ||
|
|
||
| func (c *WatsonxAIClient) GetName() string { | ||
| return watsonxAIClientName | ||
| } |