feat: Parse and use retryDelay from Google API RateLimitExceeded errors (#4124)
Signed-off-by: sings-to-bees-on-wednesdays <222684290+sings-to-bees-on-wednesdays@users.noreply.github.com> Co-authored-by: Jack Amadeo <jackamadeo@block.xyz> Co-authored-by: Jack Amadeo <jackamadeo@squareup.com>
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@@ -389,7 +389,7 @@ pub async fn get_provider_models(
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ProviderError::UsageError(_) => StatusCode::BAD_REQUEST,
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// Transient errors - client should retry later
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ProviderError::RateLimitExceeded(_) => StatusCode::TOO_MANY_REQUESTS,
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ProviderError::RateLimitExceeded { .. } => StatusCode::TOO_MANY_REQUESTS,
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// All other errors - internal server error
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_ => StatusCode::INTERNAL_SERVER_ERROR,
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@@ -251,7 +251,7 @@ impl SubAgent {
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last_error = Some(anyhow::anyhow!("Context length exceeded"));
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break;
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}
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Err(ProviderError::RateLimitExceeded(_)) => {
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Err(ProviderError::RateLimitExceeded { .. }) => {
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self.set_status(SubAgentStatus::Completed("Rate limit exceeded".to_string()))
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.await;
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last_error = Some(anyhow::anyhow!("Rate limit exceeded"));
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@@ -137,10 +137,10 @@ impl BedrockProvider {
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.await
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.map_err(|err| match err.into_service_error() {
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ConverseError::ThrottlingException(throttle_err) => {
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ProviderError::RateLimitExceeded(format!(
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"Bedrock throttling error: {:?}",
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throttle_err
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))
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ProviderError::RateLimitExceeded {
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details: format!("Bedrock throttling error: {:?}", throttle_err),
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retry_delay: None,
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}
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}
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ConverseError::AccessDeniedException(err) => {
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ProviderError::Authentication(format!("Failed to call Bedrock: {:?}", err))
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@@ -1,4 +1,5 @@
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use reqwest::StatusCode;
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use std::time::Duration;
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use thiserror::Error;
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#[derive(Error, Debug, PartialEq)]
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@@ -9,8 +10,11 @@ pub enum ProviderError {
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#[error("Context length exceeded: {0}")]
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ContextLengthExceeded(String),
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#[error("Rate limit exceeded: {0}")]
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RateLimitExceeded(String),
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#[error("Rate limit exceeded: {details}")]
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RateLimitExceeded {
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details: String,
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retry_delay: Option<Duration>,
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},
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#[error("Server error: {0}")]
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ServerError(String),
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@@ -260,7 +260,10 @@ impl GcpVertexAIProvider {
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self.retry_config.max_retries
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);
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tracing::error!("{}", error_msg);
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return Err(last_error.unwrap_or(ProviderError::RateLimitExceeded(error_msg)));
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return Err(last_error.unwrap_or(ProviderError::RateLimitExceeded {
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details: error_msg,
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retry_delay: None,
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}));
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}
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// Get a fresh auth token for each attempt
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@@ -292,9 +295,10 @@ impl GcpVertexAIProvider {
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self.retry_config.max_retries
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);
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tracing::error!("{}", error_msg);
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return Err(
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last_error.unwrap_or(ProviderError::RateLimitExceeded(error_msg))
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);
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return Err(last_error.unwrap_or(ProviderError::RateLimitExceeded {
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details: error_msg,
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retry_delay: None,
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}));
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}
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// Try to parse response for more detailed error info
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@@ -319,7 +323,10 @@ impl GcpVertexAIProvider {
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);
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// Store the error in case we need to return it after max retries
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last_error = Some(ProviderError::RateLimitExceeded(error_message));
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last_error = Some(ProviderError::RateLimitExceeded {
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details: error_message,
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retry_delay: None,
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});
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// Calculate and apply the backoff delay
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let delay = self.retry_config.delay_for_attempt(rate_limit_attempts);
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@@ -335,9 +342,10 @@ impl GcpVertexAIProvider {
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self.retry_config.max_retries
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);
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tracing::error!("{}", error_msg);
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return Err(
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last_error.unwrap_or(ProviderError::RateLimitExceeded(error_msg))
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);
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return Err(last_error.unwrap_or(ProviderError::RateLimitExceeded {
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details: error_msg,
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retry_delay: None,
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}));
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}
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// Handle 529 Overloaded error (https://docs.anthropic.com/en/api/errors)
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@@ -354,7 +362,10 @@ impl GcpVertexAIProvider {
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);
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// Store the error in case we need to return it after max retries
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last_error = Some(ProviderError::RateLimitExceeded(error_message));
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last_error = Some(ProviderError::RateLimitExceeded {
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details: error_message,
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retry_delay: None,
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});
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// Calculate and apply the backoff delay
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let delay = self.retry_config.delay_for_attempt(overloaded_attempts);
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@@ -105,7 +105,12 @@ impl OpenRouterProvider {
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// Return appropriate error based on the OpenRouter error code
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match error_code {
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401 | 403 => return Err(ProviderError::Authentication(error_message.to_string())),
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429 => return Err(ProviderError::RateLimitExceeded(error_message.to_string())),
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429 => {
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return Err(ProviderError::RateLimitExceeded {
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details: error_message.to_string(),
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retry_delay: None,
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})
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}
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500 | 503 => return Err(ProviderError::ServerError(error_message.to_string())),
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_ => return Err(ProviderError::RequestFailed(error_message.to_string())),
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}
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@@ -89,7 +89,7 @@ pub trait ProviderRetry {
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Err(error) => {
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let should_retry = matches!(
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error,
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ProviderError::RateLimitExceeded(_) | ProviderError::ServerError(_)
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ProviderError::RateLimitExceeded { .. } | ProviderError::ServerError(_)
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);
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if should_retry && attempts < config.max_retries {
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@@ -101,7 +101,14 @@ pub trait ProviderRetry {
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error
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);
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let delay = config.delay_for_attempt(attempts);
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let delay = match &error {
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ProviderError::RateLimitExceeded {
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retry_delay: Some(provider_delay),
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..
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} => *provider_delay,
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_ => config.delay_for_attempt(attempts),
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};
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tracing::info!("Backing off for {:?} before retry", delay);
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sleep(delay).await;
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continue;
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@@ -114,7 +114,12 @@ impl TetrateProvider {
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// Return appropriate error based on the error code
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match error_code {
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401 | 403 => return Err(ProviderError::Authentication(error_message.to_string())),
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429 => return Err(ProviderError::RateLimitExceeded(error_message.to_string())),
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429 => {
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return Err(ProviderError::RateLimitExceeded {
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details: error_message.to_string(),
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retry_delay: None,
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})
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}
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500 | 503 => return Err(ProviderError::ServerError(error_message.to_string())),
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_ => return Err(ProviderError::RequestFailed(error_message.to_string())),
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}
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@@ -10,6 +10,7 @@ use serde::{Deserialize, Serialize};
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use serde_json::{json, Map, Value};
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use std::io::Read;
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use std::path::Path;
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use std::time::Duration;
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use crate::providers::errors::{OpenAIError, ProviderError};
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@@ -105,7 +106,10 @@ pub fn map_http_error_to_provider_error(
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))
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}
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}
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StatusCode::TOO_MANY_REQUESTS => ProviderError::RateLimitExceeded(format!("{:?}", payload)),
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StatusCode::TOO_MANY_REQUESTS => ProviderError::RateLimitExceeded {
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details: format!("{:?}", payload),
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retry_delay: None,
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},
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_ if status.is_server_error() => ProviderError::ServerError(format!("{:?}", payload)),
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_ => ProviderError::RequestFailed(format!("Request failed with status: {}", status)),
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};
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@@ -212,6 +216,31 @@ fn get_google_final_status(status: StatusCode, payload: Option<&Value>) -> Statu
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status
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}
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fn parse_google_retry_delay(payload: &Value) -> Option<Duration> {
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payload
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.get("error")
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.and_then(|error| error.get("details"))
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.and_then(|details| details.as_array())
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.and_then(|details_array| {
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details_array.iter().find_map(|detail| {
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if detail
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.get("@type")
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.and_then(|t| t.as_str())
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.is_some_and(|s| s.ends_with("RetryInfo"))
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{
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detail
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.get("retryDelay")
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.and_then(|delay| delay.as_str())
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.and_then(|s| s.strip_suffix('s'))
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.and_then(|num| num.parse::<u64>().ok())
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.map(Duration::from_secs)
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} else {
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None
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}
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})
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})
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}
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/// Handle response from Google Gemini API-compatible endpoints.
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///
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/// Processes HTTP responses, handling specific statuses and parsing the payload
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@@ -253,6 +282,13 @@ pub async fn handle_response_google_compat(response: Response) -> Result<Value,
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);
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Err(ProviderError::RequestFailed(format!("Request failed with status: {}. Message: {}", final_status, error_msg)))
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}
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StatusCode::TOO_MANY_REQUESTS => {
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let retry_delay = payload.as_ref().and_then(parse_google_retry_delay);
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Err(ProviderError::RateLimitExceeded {
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details: format!("{:?}", payload),
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retry_delay,
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})
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}
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_ if final_status.is_server_error() => {
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Err(ProviderError::ServerError(format!("{:?}", payload)))
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}
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@@ -804,6 +840,25 @@ mod tests {
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"Hello\\u0001World"
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);
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}
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#[test]
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fn test_parse_google_retry_delay() {
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let payload = json!({
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"error": {
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"details": [
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{
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"@type": "type.googleapis.com/google.rpc.RetryInfo",
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"retryDelay": "42s"
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}
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]
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}
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});
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assert_eq!(
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parse_google_retry_delay(&payload),
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Some(Duration::from_secs(42))
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);
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}
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#[tokio::test]
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async fn test_handle_status_openai_compat() {
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let test_cases = vec![
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@@ -969,9 +1024,10 @@ mod tests {
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(
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StatusCode::TOO_MANY_REQUESTS,
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Some(json!({"retry_after": 60})),
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ProviderError::RateLimitExceeded(
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"Some(Object {\"retry_after\": Number(60)})".to_string(),
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),
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ProviderError::RateLimitExceeded{
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details: "Some(Object {\"retry_after\": Number(60)})".to_string(),
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retry_delay: None,
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},
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),
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// is_server_error() without payload
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(
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