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Fixed error when multiple Pythons are found

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This commit is contained in:
Shunsuke Shibayama 2022-08-14 01:45:01 +09:00
parent a7673ca8fb
commit fe8c7ff95a
1 changed files with 10 additions and 8 deletions
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18
compiler/erg_common/python_util.rs
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@ -6,15 +6,17 @@ use std::process::Command;
use crate::serialize::get_magic_num_from_bytes; use crate::serialize::get_magic_num_from_bytes;
pub fn which_python() -> String { pub fn which_python() -> String {
let (cmd, python) = if cfg!(windows) { ("where", "python") } else { ("which", "python3") }; let (cmd, python) = if cfg!(windows) {
("where", "python")
} else {
("which", "python3")
};
let out = Command::new(cmd) let out = Command::new(cmd)
.arg(python) .arg(python)
.output() .output()
.expect("python not found"); .expect("python not found");
let res = String::from_utf8(out.stdout) let res = String::from_utf8(out.stdout).unwrap();
.unwrap() let res = res.split('\n').next().unwrap_or("").replace('\r', "");
.replace('\n', "")
.replace('\r', "");
if res.is_empty() { if res.is_empty() {
panic!("python not found"); panic!("python not found");
} }