Files
go-openai/config.go
Dan Ackerson be2e2387d4 feat: add Anthropic API support with custom version header (#934)
* feat: add Anthropic API support with custom version header

* refactor: use switch statement for API type header handling

* refactor: add OpenAI & AzureAD types to be exhaustive

* Update client.go

need explicit fallthrough in empty case statements

* constant for APIVersion; addtl tests
2025-02-25 11:03:38 +00:00

110 lines
2.5 KiB
Go

package openai
import (
"net/http"
"regexp"
)
const (
openaiAPIURLv1 = "https://api.openai.com/v1"
defaultEmptyMessagesLimit uint = 300
azureAPIPrefix = "openai"
azureDeploymentsPrefix = "deployments"
AnthropicAPIVersion = "2023-06-01"
)
type APIType string
const (
APITypeOpenAI APIType = "OPEN_AI"
APITypeAzure APIType = "AZURE"
APITypeAzureAD APIType = "AZURE_AD"
APITypeCloudflareAzure APIType = "CLOUDFLARE_AZURE"
APITypeAnthropic APIType = "ANTHROPIC"
)
const AzureAPIKeyHeader = "api-key"
const defaultAssistantVersion = "v2" // upgrade to v2 to support vector store
type HTTPDoer interface {
Do(req *http.Request) (*http.Response, error)
}
// ClientConfig is a configuration of a client.
type ClientConfig struct {
authToken string
BaseURL string
OrgID string
APIType APIType
APIVersion string // required when APIType is APITypeAzure or APITypeAzureAD or APITypeAnthropic
AssistantVersion string
AzureModelMapperFunc func(model string) string // replace model to azure deployment name func
HTTPClient HTTPDoer
EmptyMessagesLimit uint
}
func DefaultConfig(authToken string) ClientConfig {
return ClientConfig{
authToken: authToken,
BaseURL: openaiAPIURLv1,
APIType: APITypeOpenAI,
AssistantVersion: defaultAssistantVersion,
OrgID: "",
HTTPClient: &http.Client{},
EmptyMessagesLimit: defaultEmptyMessagesLimit,
}
}
func DefaultAzureConfig(apiKey, baseURL string) ClientConfig {
return ClientConfig{
authToken: apiKey,
BaseURL: baseURL,
OrgID: "",
APIType: APITypeAzure,
APIVersion: "2023-05-15",
AzureModelMapperFunc: func(model string) string {
return regexp.MustCompile(`[.:]`).ReplaceAllString(model, "")
},
HTTPClient: &http.Client{},
EmptyMessagesLimit: defaultEmptyMessagesLimit,
}
}
func DefaultAnthropicConfig(apiKey, baseURL string) ClientConfig {
if baseURL == "" {
baseURL = "https://api.anthropic.com/v1"
}
return ClientConfig{
authToken: apiKey,
BaseURL: baseURL,
OrgID: "",
APIType: APITypeAnthropic,
APIVersion: AnthropicAPIVersion,
HTTPClient: &http.Client{},
EmptyMessagesLimit: defaultEmptyMessagesLimit,
}
}
func (ClientConfig) String() string {
return "<OpenAI API ClientConfig>"
}
func (c ClientConfig) GetAzureDeploymentByModel(model string) string {
if c.AzureModelMapperFunc != nil {
return c.AzureModelMapperFunc(model)
}
return model
}