Improve handling of JSON Schema in OpenAI API Response Context #819
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -4,7 +4,11 @@ | |
| // and/or pass in the schema in []byte format. | ||
| package jsonschema | ||
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| import ( | ||
| "encoding/json" | ||
| "reflect" | ||
| "strconv" | ||
| ) | ||
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| type DataType string | ||
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@@ -53,3 +57,84 @@ | |
| Alias: (Alias)(d), | ||
| }) | ||
| } | ||
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| type SchemaWrapper[T any] struct { | ||
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There was a problem hiding this comment. Pardon my ignorance: do we even need this type? There was a problem hiding this comment. The sw, err := jsonschema.Wrap(MyStructuredResponse{})
result, err := sw.Unmarshal(`{...}`)or var result MyStructuredResponse{}
schema, err := jsonschema.GenerateSchemaForType(result)
schema.Unmarshal(`{...}`, &result) |
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| data T | ||
| schema Definition | ||
| } | ||
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| func (r SchemaWrapper[T]) Schema() Definition { | ||
| return r.schema | ||
| } | ||
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| func (r SchemaWrapper[T]) MarshalJSON() ([]byte, error) { | ||
| return json.Marshal(r.schema) | ||
| } | ||
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| func (r SchemaWrapper[T]) Unmarshal(content string) (*T, error) { | ||
| var v T | ||
| err := Unmarshal(r.schema, []byte(content), &v) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &v, nil | ||
| } | ||
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| func (r SchemaWrapper[T]) String() string { | ||
| bytes, _ := json.MarshalIndent(r.schema, "", " ") | ||
| return string(bytes) | ||
| } | ||
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| func Warp[T any](v T) SchemaWrapper[T] { | ||
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There was a problem hiding this comment. @eiixy heads up: I think you meant There was a problem hiding this comment. Or even better: |
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| return SchemaWrapper[T]{ | ||
| data: v, | ||
| schema: reflectSchema(reflect.TypeOf(v)), | ||
| } | ||
| } | ||
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| func reflectSchema(t reflect.Type) Definition { | ||
| var d Definition | ||
| switch t.Kind() { | ||
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Check failure on line 97 in jsonschema/json.go
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| case reflect.String: | ||
| d.Type = String | ||
| case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, | ||
| reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64: | ||
| d.Type = Integer | ||
| case reflect.Float32, reflect.Float64: | ||
| d.Type = Number | ||
| case reflect.Bool: | ||
| d.Type = Boolean | ||
| case reflect.Slice, reflect.Array: | ||
| d.Type = Array | ||
| items := reflectSchema(t.Elem()) | ||
| d.Items = &items | ||
| case reflect.Struct: | ||
| d.Type = Object | ||
| d.AdditionalProperties = false | ||
| properties := make(map[string]Definition) | ||
| var requiredFields []string | ||
| for i := 0; i < t.NumField(); i++ { | ||
| field := t.Field(i) | ||
| jsonTag := field.Tag.Get("json") | ||
| if jsonTag == "" { | ||
| jsonTag = field.Name | ||
| } | ||
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| item := reflectSchema(field.Type) | ||
| description := field.Tag.Get("description") | ||
| if description != "" { | ||
| item.Description = description | ||
| } | ||
| properties[jsonTag] = item | ||
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| required, _ := strconv.ParseBool(field.Tag.Get("required")) | ||
| if required { | ||
| requiredFields = append(requiredFields, jsonTag) | ||
| } | ||
| } | ||
| d.Required = requiredFields | ||
| d.Properties = properties | ||
| default: | ||
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There was a problem hiding this comment. I suggest we either return an error or panic here There was a problem hiding this comment. Thank you for the suggestion! |
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| } | ||
| return d | ||
| } | ||
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Great stuff, I guess we should put a proper README example on how to use this. That should be one of the top examples for sure.
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I have added an example use case from OpenAI documentation to the README. For reference, please see: https://platform.openai.com/docs/guides/structured-outputs/examples