mold_core/
error.rs

1use thiserror::Error;
2
3/// Primary error type for the mold crate ecosystem.
4///
5/// Provides structured error variants for the main failure modes so callers
6/// can pattern-match on specific categories instead of string-matching.
7/// The `Other` variant accepts any `anyhow::Error` as a catch-all.
8#[derive(Debug, Error)]
9pub enum MoldError {
10    /// Request validation failures (bad dimensions, empty prompt, etc.)
11    #[error("{0}")]
12    Validation(String),
13
14    /// Download/network issues
15    #[error("{0}")]
16    Download(String),
17
18    /// Config parsing/loading errors
19    #[error("{0}")]
20    Config(String),
21
22    /// HTTP client communication errors
23    #[error("{0}")]
24    Client(String),
25
26    /// Model doesn't exist or isn't downloaded
27    #[error("{0}")]
28    ModelNotFound(String),
29
30    /// Inference/generation errors
31    #[error("{0}")]
32    Inference(String),
33
34    /// Generic RunPod API error (non-auth, non-not-found)
35    #[error("{0}")]
36    RunPod(String),
37
38    /// RunPod authentication failure (401/403 or missing/invalid API key)
39    #[error("{0}")]
40    RunPodAuth(String),
41
42    /// RunPod resource not found (404)
43    #[error("{0}")]
44    RunPodNotFound(String),
45
46    /// RunPod could not schedule the pod (no machines available)
47    #[error("{0}")]
48    RunPodNoStock(String),
49
50    /// Catch-all for everything else
51    #[error(transparent)]
52    Other(#[from] anyhow::Error),
53}
54
55/// Convenience alias used across the crate.
56pub type Result<T> = std::result::Result<T, MoldError>;
57
58impl From<crate::download::DownloadError> for MoldError {
59    fn from(err: crate::download::DownloadError) -> Self {
60        MoldError::Download(err.to_string())
61    }
62}
mold_core/error.rs

mold_core/
error.rs
