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Signed-off-by: yaron2 <[email protected]>
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/* | ||
Copyright 2024 The Dapr Authors | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
package anthropic | ||
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import ( | ||
"context" | ||
"reflect" | ||
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"github.com/dapr/components-contrib/conversation" | ||
"github.com/dapr/components-contrib/metadata" | ||
"github.com/dapr/kit/logger" | ||
kmeta "github.com/dapr/kit/metadata" | ||
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"github.com/tmc/langchaingo/llms" | ||
"github.com/tmc/langchaingo/llms/anthropic" | ||
) | ||
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type Anthropic struct { | ||
llm *anthropic.LLM | ||
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logger logger.Logger | ||
} | ||
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type AnthropicMetadata struct { | ||
Key string `json:"key"` | ||
Model string `json:"model"` | ||
} | ||
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func NewAnthropic(logger logger.Logger) conversation.Conversation { | ||
a := &Anthropic{ | ||
logger: logger, | ||
} | ||
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return a | ||
} | ||
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const defaultModel = "claude-3-5-sonnet-20240620" | ||
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func (a *Anthropic) Init(ctx context.Context, meta conversation.Metadata) error { | ||
m := AnthropicMetadata{} | ||
err := kmeta.DecodeMetadata(meta.Properties, &m) | ||
if err != nil { | ||
return err | ||
} | ||
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model := defaultModel | ||
if m.Model != "" { | ||
model = m.Model | ||
} | ||
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llm, err := anthropic.New( | ||
anthropic.WithModel(model), | ||
anthropic.WithToken(m.Key), | ||
) | ||
if err != nil { | ||
return err | ||
} | ||
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a.llm = llm | ||
return nil | ||
} | ||
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func (a *Anthropic) GetComponentMetadata() (metadataInfo metadata.MetadataMap) { | ||
metadataStruct := AnthropicMetadata{} | ||
metadata.GetMetadataInfoFromStructType(reflect.TypeOf(metadataStruct), &metadataInfo, metadata.ConversationType) | ||
return | ||
} | ||
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func (a *Anthropic) Converse(ctx context.Context, r *conversation.ConversationRequest) (res *conversation.ConversationResponse, err error) { | ||
messages := make([]llms.MessageContent, 0, len(r.Inputs)) | ||
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for _, input := range r.Inputs { | ||
role := conversation.ConvertLangchainRole(input.Role) | ||
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messages = append(messages, llms.MessageContent{ | ||
Role: role, | ||
Parts: []llms.ContentPart{ | ||
llms.TextPart(input.Message), | ||
}, | ||
}) | ||
} | ||
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resp, err := a.llm.GenerateContent(ctx, messages) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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outputs := make([]conversation.ConversationResult, 0, len(resp.Choices)) | ||
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for i := range resp.Choices { | ||
outputs = append(outputs, conversation.ConversationResult{ | ||
Result: resp.Choices[i].Content, | ||
Parameters: r.Parameters, | ||
}) | ||
} | ||
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res = &conversation.ConversationResponse{ | ||
Outputs: outputs, | ||
} | ||
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return res, nil | ||
} | ||
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func (a *Anthropic) Close() error { | ||
return nil | ||
} |
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# yaml-language-server: $schema=../../../component-metadata-schema.json | ||
schemaVersion: v1 | ||
type: conversation | ||
name: anthropic | ||
version: v1 | ||
status: alpha | ||
title: "Anthropic" | ||
urls: | ||
- title: Reference | ||
url: https://docs.dapr.io/reference/components-reference/supported-conversation/setup-anthropic/ | ||
authenticationProfiles: | ||
- title: "API Key" | ||
description: "Authenticate using an API key" | ||
metadata: | ||
- name: key | ||
type: string | ||
required: true | ||
sensitive: true | ||
description: | | ||
API key for Anthropic. | ||
example: "**********" | ||
default: "" | ||
metadata: | ||
- name: model | ||
required: false | ||
description: | | ||
The Anthropic LLM to use. Defaults to claude-3-5-sonnet-20240620 | ||
type: string | ||
example: 'claude-3-5-sonnet-20240620' |
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/* | ||
Copyright 2024 The Dapr Authors | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
package conversation | ||
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import "github.com/tmc/langchaingo/llms" | ||
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func ConvertLangchainRole(role Role) llms.ChatMessageType { | ||
switch role { | ||
case RoleSystem: | ||
return llms.ChatMessageTypeSystem | ||
case RoleUser: | ||
return llms.ChatMessageTypeHuman | ||
case RoleAssistant: | ||
return llms.ChatMessageTypeAI | ||
case RoleTool: | ||
return llms.ChatMessageTypeTool | ||
case RoleFunction: | ||
return llms.ChatMessageTypeFunction | ||
default: | ||
return llms.ChatMessageTypeHuman | ||
} | ||
} |
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/* | ||
Copyright 2024 The Dapr Authors | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
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package conversation | ||
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import ( | ||
"testing" | ||
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"github.com/tmc/langchaingo/llms" | ||
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"github.com/stretchr/testify/assert" | ||
) | ||
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func TestConvertLangchainRole(t *testing.T) { | ||
roles := map[string]string{ | ||
RoleSystem: string(llms.ChatMessageTypeSystem), | ||
RoleAssistant: string(llms.ChatMessageTypeAI), | ||
RoleFunction: string(llms.ChatMessageTypeFunction), | ||
RoleUser: string(llms.ChatMessageTypeHuman), | ||
RoleTool: string(llms.ChatMessageTypeTool), | ||
} | ||
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for k, v := range roles { | ||
r := ConvertLangchainRole(Role(k)) | ||
assert.Equal(t, v, string(r)) | ||
} | ||
} |