Skip unavailable Python interpreters from pyenv

PyO3 · Aug 17, 2021 · 855fff8 · 855fff8
1 parent efc9dd8
commit 855fff8
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Showing 2 changed files with 16 additions and 3 deletions.
diff --git a/Changelog.md b/Changelog.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 * Add path option for Python source in [#584](https://github.com/PyO3/maturin/pull/584)
 * `[tool.maturin]` options from `pyproject.toml` will be used automatically in [#605](https://github.com/PyO3/maturin/pull/605)
+* Skip unavailable Python interpreters from pyenv in [#609](https://github.com/PyO3/maturin/pull/609)
 
 ## [0.11.2] - 2021-07-20
 

diff --git a/src/python_interpreter.rs b/src/python_interpreter.rs
@@ -7,7 +7,7 @@ use std::collections::HashSet;
 use std::fmt;
 use std::io;
 use std::path::{Path, PathBuf};
-use std::process::{Command, Stdio};
+use std::process::Command;
 use std::str;
 
 /// This snippets will give us information about the python interpreter's
@@ -414,7 +414,6 @@ impl PythonInterpreter {
     ) -> Result<Option<PythonInterpreter>> {
         let output = Command::new(&executable.as_ref())
             .args(&["-c", GET_INTERPRETER_METADATA])
-            .stderr(Stdio::inherit())
             .output();
 
         let err_msg = format!(
@@ -426,7 +425,20 @@ impl PythonInterpreter {
                 if output.status.success() {
                     output
                 } else {
-                    bail!(err_msg);
+                    let stderr = str::from_utf8(&output.stderr).unwrap();
+                    if stderr.starts_with(&format!(
+                        "pyenv: {}: command not found",
+                        executable.as_ref().display()
+                    )) {
+                        eprintln!(
+                            "⚠️  Warning: skipped unavailable python interpreter '{}' from pyenv",
+                            executable.as_ref().display()
+                        );
+                        return Ok(None);
+                    } else {
+                        eprintln!("{}", stderr);
+                        bail!(err_msg);
+                    }
                 }
             }
             Err(err) => {