lc-providers 0.18.0

LLM provider integrations for langchainrust — OpenAI, Anthropic, Ollama, Gemini, etc.
Documentation 
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// lc-providers/src/openai/chat/error.rs
//! Error types for the OpenAI chat provider.

use crate::ProviderError;

/// OpenAI 错误类型
#[derive(Debug)]
#[non_exhaustive]
pub enum OpenAIError {
    /// HTTP 请求错误
    Http(String),
    /// API 返回错误
    Api(String),
    /// 响应解析错误
    Parse(String),
    /// Configuration error (missing/malformed environment variables, etc.).
    Config(String),
}

impl std::fmt::Display for OpenAIError {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            OpenAIError::Http(msg) => write!(f, "HTTP error: {}", msg),
            OpenAIError::Api(msg) => write!(f, "API error: {}", msg),
            OpenAIError::Parse(msg) => write!(f, "Parse error: {}", msg),
            OpenAIError::Config(msg) => write!(f, "Configuration error: {}", msg),
        }
    }
}

impl std::error::Error for OpenAIError {}

impl From<String> for OpenAIError {
    fn from(s: String) -> Self {
        OpenAIError::Api(s)
    }
}

impl From<ProviderError> for OpenAIError {
    fn from(e: ProviderError) -> Self {
        OpenAIError::Config(e.to_string())
    }
}