Don't require .py extension

crates/uv/src/commands/project/init.rs

@@ -634,16 +634,6 @@ impl InitProjectKind {
         if package {
             warn_user_once!("`--package` is a no-op for Python scripts, which are standalone");
         }
-
-        if let Some(path) = script_path.to_str() {
-            if !std::path::Path::new(path)
-                .extension()
-                .map_or(false, |ext| ext.eq_ignore_ascii_case("py"))
-            {
-                anyhow::bail!("Script must end in .py extension");
-            }
-        }
-
         let client_builder = BaseClientBuilder::new()
             .connectivity(connectivity)
             .native_tls(native_tls);

crates/uv/tests/init.rs

@@ -536,7 +536,7 @@ fn init_script_create_directory() -> Result<()> {
     Ok(())
 }
 
-// Init script should fail if file path exists or doesn't end with .py
+// Init script should fail if file path exists
 #[test]
 fn init_script_file_conflicts() -> Result<()> {
     let context = TestContext::new("3.12");
@@ -562,15 +562,6 @@ fn init_script_file_conflicts() -> Result<()> {
     error: Script already exists at name_conflict.py
     "###);
 
-    uv_snapshot!(context.filters(), context.init().current_dir(&child).arg("--script").arg("new_issue"), @r###"
-    success: false
-    exit_code: 2
-    ----- stdout -----
-
-    ----- stderr -----
-    error: Script must end in .py extension
-    "###);
-
     Ok(())
 }