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Add support for installing pyodide Pythons (#14518)

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- [x] Add tests

---------

Co-authored-by: Zanie Blue <contact@zanie.dev>
This commit is contained in:
Hood Chatham 2025-08-13 18:03:25 +02:00 • committed by GitHub
parent b38edb9b7d
commit c8d0bfba5c
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GPG key ID: B5690EEEBB952194
15 changed files with 516 additions and 63 deletions
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133
crates/uv-python/src/lib.rs
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@ -325,6 +325,89 @@ mod tests {
Ok(())
}
fn create_mock_pyodide_interpreter(path: &Path, version: &PythonVersion) -> Result<()> {
let json = indoc! {r##"
{
"result": "success",
"platform": {
"os": {
"name": "pyodide",
"major": 2025,
"minor": 0
},
"arch": "wasm32"
},
"manylinux_compatible": false,
"standalone": false,
"markers": {
"implementation_name": "cpython",
"implementation_version": "{FULL_VERSION}",
"os_name": "posix",
"platform_machine": "wasm32",
"platform_python_implementation": "CPython",
"platform_release": "4.0.9",
"platform_system": "Emscripten",
"platform_version": "#1",
"python_full_version": "{FULL_VERSION}",
"python_version": "{VERSION}",
"sys_platform": "emscripten"
},
"sys_base_exec_prefix": "/",
"sys_base_prefix": "/",
"sys_prefix": "/",
"sys_executable": "{PATH}",
"sys_path": [
"",
"/lib/python313.zip",
"/lib/python{VERSION}",
"/lib/python{VERSION}/lib-dynload",
"/lib/python{VERSION}/site-packages"
],
"site_packages": [
"/lib/python{VERSION}/site-packages"
],
"stdlib": "//lib/python{VERSION}",
"scheme": {
"platlib": "//lib/python{VERSION}/site-packages",
"purelib": "//lib/python{VERSION}/site-packages",
"include": "//include/python{VERSION}",
"scripts": "//bin",
"data": "/"
},
"virtualenv": {
"purelib": "lib/python{VERSION}/site-packages",
"platlib": "lib/python{VERSION}/site-packages",
"include": "include/site/python{VERSION}",
"scripts": "bin",
"data": ""
},
"pointer_size": "32",
"gil_disabled": false
}
"##};
let json = json
.replace(
"{PATH}",
path.to_str().expect("Path can be represented as string"),
)
.replace("{FULL_VERSION}", &version.to_string())
.replace("{VERSION}", &version.without_patch().to_string());
fs_err::create_dir_all(path.parent().unwrap())?;
fs_err::write(
path,
formatdoc! {r"
#!/bin/sh
echo '{json}'
"},
)?;
fs_err::set_permissions(path, std::os::unix::fs::PermissionsExt::from_mode(0o770))?;
Ok(())
}
/// Create a mock Python 2 interpreter executable which returns a fixed error message mocking
/// invocation of Python 2 with the `-I` flag as done by our query script.
fn create_mock_python2_interpreter(path: &Path) -> Result<()> {
@ -372,6 +455,16 @@ mod tests {
)
}
fn add_pyodide_version(&mut self, version: &'static str) -> Result<()> {
let path = self.new_search_path_directory(format!("pyodide-{version}"))?;
let python = format!("python{}", env::consts::EXE_SUFFIX);
Self::create_mock_pyodide_interpreter(
&path.join(python),
&PythonVersion::from_str(version).unwrap(),
)?;
Ok(())
}
/// Create fake Python interpreters the given Python versions.
///
/// Adds them to the test context search path.
@ -2606,4 +2699,44 @@ mod tests {
Ok(())
}
#[test]
fn find_python_pyodide() -> Result<()> {
let mut context = TestContext::new()?;
context.add_pyodide_version("3.13.2")?;
let python = context.run(|| {
find_python_installation(
&PythonRequest::Default,
EnvironmentPreference::Any,
PythonPreference::OnlySystem,
&context.cache,
Preview::default(),
)
})??;
// We should find the Pyodide interpreter
assert_eq!(
python.interpreter().python_full_version().to_string(),
"3.13.2"
);
// We should prefer any native Python to the Pyodide Python
context.add_python_versions(&["3.15.7"])?;
let python = context.run(|| {
find_python_installation(
&PythonRequest::Default,
EnvironmentPreference::Any,
PythonPreference::OnlySystem,
&context.cache,
Preview::default(),
)
})??;
assert_eq!(
python.interpreter().python_full_version().to_string(),
"3.15.7"
);
Ok(())
}
}