Only write .python-version files during uv init for workspace members if the version differs

Author: zanieb

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

@@ -524,7 +524,6 @@ async fn init_project(
             name,
             path,
             &requires_python,
-            python_request.as_ref(),
             vcs,
             build_backend,
             author_from,
@@ -571,6 +570,40 @@ async fn init_project(
                 workspace.install_path().simplified_display().cyan()
             )?;
         }
+        // Write .python-version if it doesn't exist in the workspace or if the version differs
+        if let Some(python_request) = python_request {
+            if PythonVersionFile::discover(path, &VersionFileDiscoveryOptions::default())
+                .await?
+                .filter(|file| {
+                    file.version()
+                        .is_some_and(|version| *version == python_request)
+                        && file.path().parent().is_some_and(|parent| {
+                            parent == workspace.install_path() || parent == path
+                        })
+                })
+                .is_none()
+            {
+                PythonVersionFile::new(path.join(".python-version"))
+                    .with_versions(vec![python_request.clone()])
+                    .write()
+                    .await?;
+            }
+        }
+    } else {
+        // Write .python-version if it doesn't exist in the project directory.
+        if let Some(python_request) = python_request {
+            if PythonVersionFile::discover(path, &VersionFileDiscoveryOptions::default())
+                .await?
+                .filter(|file| file.version().is_some())
+                .filter(|file| file.path().parent().is_some_and(|parent| parent == path))
+                .is_none()
+            {
+                PythonVersionFile::new(path.join(".python-version"))
+                    .with_versions(vec![python_request.clone()])
+                    .write()
+                    .await?;
+            }
+        }
     }
 
     Ok(())
@@ -615,7 +648,6 @@ impl InitProjectKind {
         name: &PackageName,
         path: &Path,
         requires_python: &RequiresPython,
-        python_request: Option<&PythonRequest>,
         vcs: Option<VersionControlSystem>,
         build_backend: Option<ProjectBuildBackend>,
         author_from: Option<AuthorFrom>,
@@ -628,7 +660,6 @@ impl InitProjectKind {
                     name,
                     path,
                     requires_python,
-                    python_request,
                     vcs,
                     build_backend,
                     author_from,
@@ -642,7 +673,6 @@ impl InitProjectKind {
                     name,
                     path,
                     requires_python,
-                    python_request,
                     vcs,
                     build_backend,
                     author_from,
@@ -660,7 +690,6 @@ impl InitProjectKind {
         name: &PackageName,
         path: &Path,
         requires_python: &RequiresPython,
-        python_request: Option<&PythonRequest>,
         vcs: Option<VersionControlSystem>,
         build_backend: Option<ProjectBuildBackend>,
         author_from: Option<AuthorFrom>,
@@ -716,21 +745,6 @@ impl InitProjectKind {
         }
         fs_err::write(path.join("pyproject.toml"), pyproject)?;
 
-        // Write .python-version if it doesn't exist in the target or is empty.
-        if let Some(python_request) = python_request {
-            if PythonVersionFile::discover(path, &VersionFileDiscoveryOptions::default())
-                .await?
-                .filter(|file| file.version().is_some())
-                .filter(|file| file.path().parent().is_some_and(|parent| parent == path))
-                .is_none()
-            {
-                PythonVersionFile::new(path.join(".python-version"))
-                    .with_versions(vec![python_request.clone()])
-                    .write()
-                    .await?;
-            }
-        }
-
         // Initialize the version control system.
         init_vcs(path, vcs)?;
 
@@ -743,7 +757,6 @@ impl InitProjectKind {
         name: &PackageName,
         path: &Path,
         requires_python: &RequiresPython,
-        python_request: Option<&PythonRequest>,
         vcs: Option<VersionControlSystem>,
         build_backend: Option<ProjectBuildBackend>,
         author_from: Option<AuthorFrom>,
@@ -772,19 +785,6 @@ impl InitProjectKind {
         // Generate `src` files
         generate_package_scripts(name, path, build_backend, true)?;
 
-        // Write .python-version if it doesn't exist.
-        if let Some(python_request) = python_request {
-            if PythonVersionFile::discover(path, &VersionFileDiscoveryOptions::default())
-                .await?
-                .is_none()
-            {
-                PythonVersionFile::new(path.join(".python-version"))
-                    .with_versions(vec![python_request.clone()])
-                    .write()
-                    .await?;
-            }
-        }
-
         // Initialize the version control system.
         init_vcs(path, vcs)?;