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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,84 @@ | ||
package ai | ||
|
||
import ( | ||
"os" | ||
"fmt" | ||
"context" | ||
"errors" | ||
|
||
wx "github.com/IBM/watsonx-go/pkg/models" | ||
) | ||
|
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const watsonxAIClientName = "watsonxai" | ||
|
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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() | ||
|
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// 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 | ||
} | ||
|
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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 | ||
} |