chemx_ext/
error.rs

1use std::path::PathBuf;
2
3#[derive(Debug, thiserror::Error)]
4pub enum ExtError {
5    #[error(
6        "{program} binary not found: not on PATH and {env_var} is not set. \
7         Install it from {install_hint} (conda: `conda install -c conda-forge {conda_pkg}`), \
8         or point {env_var} at the executable."
9    )]
10    BinaryNotFound {
11        program: &'static str,
12        env_var: &'static str,
13        install_hint: &'static str,
14        conda_pkg: &'static str,
15    },
16
17    #[error("{program} failed (exit status {status}): {stderr_tail}")]
18    SubprocessFailed {
19        program: &'static str,
20        status: String,
21        stderr_tail: String,
22    },
23
24    #[error("{program} did not produce the expected output file {path}")]
25    MissingOutput {
26        program: &'static str,
27        path: PathBuf,
28    },
29
30    #[error("parsing {what}: {message}")]
31    Parse { what: &'static str, message: String },
32
33    #[error("I/O error ({context}): {source}")]
34    Io {
35        context: String,
36        #[source]
37        source: std::io::Error,
38    },
39
40    #[error("conformer generation: {0}")]
41    ConfGen(String),
42}
43
44impl ExtError {
45    pub fn io(context: impl Into<String>, source: std::io::Error) -> Self {
46        ExtError::Io {
47            context: context.into(),
48            source,
49        }
50    }
51}
chemx_ext/error.rs

chemx_ext/
error.rs
