fix-extra-fields-inputschema

Signed-off-by: yxia216 <yxia216@bloomberg.net>

Author: hustxiayang

internal/extproc/translator/openai_gcpanthropic.go

@@ -184,6 +184,28 @@ func translateOpenAItoAnthropicTools(openAITools []openai.Tool, openAIToolChoice
 					inputSchema.Required = requiredSlice
 				}
 
+				// Keys to skip
+				keysToSkip := map[string]bool{
+					"required":   true,
+					"type":       true,
+					"properties": true,
+				}
+
+				// ExtraFieldsMap to construct
+				ExtraFieldsMap := make(map[string]any)
+
+				// Iterate over the original map
+				for key, value := range paramsMap {
+					// Check if the current key should be skipped
+					if _, found := keysToSkip[key]; found {
+						continue // Skip the current iteration
+					}
+
+					// If not skipped, add the key-value pair to the new map
+					ExtraFieldsMap[key] = value
+				}
+				inputSchema.ExtraFields = ExtraFieldsMap
+
 				toolParam.InputSchema = inputSchema
 			}
 

internal/extproc/translator/openai_gcpanthropic_test.go

@@ -1248,6 +1248,77 @@ func TestTranslateOpenAItoAnthropicTools(t *testing.T) {
 			},
 			expectErr: true,
 		},
+		{
+			name: "nested schema in tool's defintions",
+			openAIReq: &openai.ChatCompletionRequest{
+				Tools: []openai.Tool{
+					{
+						Type: "function",
+						Function: &openai.FunctionDefinition{
+							Name:        "get_weather",
+							Description: "Get the weather without type",
+							Parameters: map[string]any{
+								"properties": map[string]any{
+									"location": map[string]any{"type": "string"},
+								},
+								"required": []any{"location"},
+								"$defs": map[string]any{
+									"ReferencePassage": map[string]any{
+										"properties": map[string]any{
+											"url": map[string]any{
+												"title": "Url",
+												"type":  "string",
+											},
+											"passage_id": map[string]any{
+												"title": "Passage Id",
+												"type":  "string",
+											},
+										},
+										"required": []string{"url", "passage_id"},
+										"title":    "ReferencePassage",
+										"type":     "object",
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			expectedTools: []anthropic.ToolUnionParam{
+				{
+					OfTool: &anthropic.ToolParam{
+						Name:        "get_weather",
+						Description: anthropic.String("Get the weather without type"),
+						InputSchema: anthropic.ToolInputSchemaParam{
+							Type: "",
+							Properties: map[string]any{
+								"location": map[string]any{"type": "string"},
+							},
+							Required: []string{"location"},
+							ExtraFields: map[string]any{
+								"$defs": map[string]any{
+									"ReferencePassage": map[string]any{
+										"properties": map[string]any{
+											"url": map[string]any{
+												"title": "Url",
+												"type":  "string",
+											},
+											"passage_id": map[string]any{
+												"title": "Passage Id",
+												"type":  "string",
+											},
+										},
+										"required": []string{"url", "passage_id"},
+										"title":    "ReferencePassage",
+										"type":     "object",
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+		},
 	}
 
 	for _, tt := range tests {