Filter uv tree to current platform by default (#5763)

## Summary

`uv tree` will now filter to the current platform by default. You can
pass `--universal` to show the entire tree.

Closes https://github.com/astral-sh/uv/issues/5760.

crates/uv-cli/src/lib.rs

@@ -1709,6 +1709,10 @@ pub struct PipShowArgs {
 #[derive(Args)]
 #[allow(clippy::struct_excessive_bools)]
 pub struct PipTreeArgs {
+    /// Show the version constraint(s) imposed on each package.
+    #[arg(long)]
+    pub show_version_specifiers: bool,
+
     #[command(flatten)]
     pub tree: DisplayTreeArgs,
 
@@ -2344,6 +2348,11 @@ pub struct RemoveArgs {
 #[derive(Args)]
 #[allow(clippy::struct_excessive_bools)]
 pub struct TreeArgs {
+    /// Show the resolved package versions for all Python versions and platforms, rather than
+    /// filtering to those that are relevant for the current environment.
+    #[arg(long)]
+    pub universal: bool,
+
     #[command(flatten)]
     pub tree: DisplayTreeArgs,
 
@@ -3054,8 +3063,4 @@ pub struct DisplayTreeArgs {
     /// Show the reverse dependencies for the given package. This flag will invert the tree and display the packages that depend on the given package.
     #[arg(long, alias = "reverse")]
     pub invert: bool,
-
-    /// Show the version constraint(s) imposed on each package.
-    #[arg(long)]
-    pub show_version_specifiers: bool,
 }

crates/uv-resolver/src/lock.rs

@@ -2650,6 +2650,7 @@ impl<'env> TreeDisplay<'env> {
     /// Create a new [`DisplayDependencyGraph`] for the set of installed distributions.
     pub fn new(
         lock: &'env Lock,
+        markers: Option<&'env MarkerEnvironment>,
         depth: usize,
         prune: Vec<PackageName>,
         package: Vec<PackageName>,
@@ -2676,6 +2677,15 @@ impl<'env> TreeDisplay<'env> {
                 // Mark the dependency as a non-root node.
                 non_roots.insert(child);
 
+                // Skip dependencies that don't apply to the current environment.
+                if let Some(environment_markers) = markers {
+                    if let Some(dependency_markers) = dependency.marker.as_ref() {
+                        if !dependency_markers.evaluate(environment_markers, &[]) {
+                            continue;
+                        }
+                    }
+                }
+
                 edges.entry(parent).or_default().push(child);
             }
 

crates/uv/src/commands/pip/tree.rs

@@ -24,12 +24,12 @@ use crate::printer::Printer;
 /// Display the installed packages in the current environment as a dependency tree.
 #[allow(clippy::fn_params_excessive_bools)]
 pub(crate) fn pip_tree(
+    show_version_specifiers: bool,
     depth: u8,
     prune: Vec<PackageName>,
     package: Vec<PackageName>,
     no_dedupe: bool,
     invert: bool,
-    show_version_specifiers: bool,
     strict: bool,
     python: Option<&str>,
     system: bool,

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

@@ -24,6 +24,7 @@ use super::SharedState;
 pub(crate) async fn tree(
     locked: bool,
     frozen: bool,
+    universal: bool,
     depth: u8,
     prune: Vec<PackageName>,
     package: Vec<PackageName>,
@@ -79,7 +80,15 @@ pub(crate) async fn tree(
     .await?;
 
     // Render the tree.
-    let tree = TreeDisplay::new(&lock.lock, depth.into(), prune, package, no_dedupe, invert);
+    let tree = TreeDisplay::new(
+        &lock.lock,
+        (!universal).then(|| interpreter.markers()),
+        depth.into(),
+        prune,
+        package,
+        no_dedupe,
+        invert,
+    );
 
     write!(printer.stdout(), "{tree}")?;
 

crates/uv/src/lib.rs

@@ -562,12 +562,12 @@ async fn run(cli: Cli) -> Result<ExitStatus> {
             let cache = cache.init()?;
 
             commands::pip_tree(
+                args.show_version_specifiers,
                 args.depth,
                 args.prune,
                 args.package,
                 args.no_dedupe,
                 args.invert,
-                args.show_version_specifiers,
                 args.shared.strict,
                 args.shared.python.as_deref(),
                 args.shared.system,
@@ -1121,6 +1121,7 @@ async fn run_project(
             commands::tree(
                 args.locked,
                 args.frozen,
+                args.universal,
                 args.depth,
                 args.prune,
                 args.package,

crates/uv/src/settings.rs

@@ -769,6 +769,7 @@ impl RemoveSettings {
 pub(crate) struct TreeSettings {
     pub(crate) locked: bool,
     pub(crate) frozen: bool,
+    pub(crate) universal: bool,
     pub(crate) depth: u8,
     pub(crate) prune: Vec<PackageName>,
     pub(crate) package: Vec<PackageName>,
@@ -783,6 +784,7 @@ impl TreeSettings {
     pub(crate) fn resolve(args: TreeArgs, filesystem: Option<FilesystemOptions>) -> Self {
         let TreeArgs {
             tree,
+            universal,
             locked,
             frozen,
             build,
@@ -793,6 +795,7 @@ impl TreeSettings {
         Self {
             locked,
             frozen,
+            universal,
             depth: tree.depth,
             prune: tree.prune,
             package: tree.package,
@@ -1357,12 +1360,12 @@ impl PipShowSettings {
 #[allow(clippy::struct_excessive_bools)]
 #[derive(Debug, Clone)]
 pub(crate) struct PipTreeSettings {
+    pub(crate) show_version_specifiers: bool,
     pub(crate) depth: u8,
     pub(crate) prune: Vec<PackageName>,
     pub(crate) package: Vec<PackageName>,
     pub(crate) no_dedupe: bool,
     pub(crate) invert: bool,
-    pub(crate) show_version_specifiers: bool,
     // CLI-only settings.
     pub(crate) shared: PipSettings,
 }
@@ -1371,6 +1374,7 @@ impl PipTreeSettings {
     /// Resolve the [`PipTreeSettings`] from the CLI and workspace configuration.
     pub(crate) fn resolve(args: PipTreeArgs, filesystem: Option<FilesystemOptions>) -> Self {
         let PipTreeArgs {
+            show_version_specifiers,
             tree,
             strict,
             no_strict,
@@ -1381,11 +1385,11 @@ impl PipTreeSettings {
         } = args;
 
         Self {
+            show_version_specifiers,
             depth: tree.depth,
             prune: tree.prune,
             no_dedupe: tree.no_dedupe,
             invert: tree.invert,
-            show_version_specifiers: tree.show_version_specifiers,
             package: tree.package,
             // Shared settings.
             shared: PipSettings::combine(

crates/uv/tests/tree.rs

@@ -26,7 +26,7 @@ fn nested_dependencies() -> Result<()> {
     "#,
     )?;
 
-    uv_snapshot!(context.filters(), context.tree(), @r###"
+    uv_snapshot!(context.filters(), context.tree().arg("--universal"), @r###"
     success: true
     exit_code: 0
     ----- stdout -----
@@ -132,7 +132,7 @@ fn frozen() -> Result<()> {
     "#,
     )?;
 
-    uv_snapshot!(context.filters(), context.tree(), @r###"
+    uv_snapshot!(context.filters(), context.tree().arg("--universal"), @r###"
     success: true
     exit_code: 0
     ----- stdout -----
@@ -200,12 +200,31 @@ fn platform_dependencies() -> Result<()> {
     "#,
     )?;
 
-    // Should include `colorama`, even though it's only included on Windows.
+    // When `--universal` is _not_ provided, `colorama` should _not_ be included.
+    #[cfg(not(windows))]
     uv_snapshot!(context.filters(), context.tree(), @r###"
     success: true
     exit_code: 0
     ----- stdout -----
     project v0.1.0
+    └── black v24.3.0
+        ├── click v8.1.7
+        ├── mypy-extensions v1.0.0
+        ├── packaging v24.0
+        ├── pathspec v0.12.1
+        └── platformdirs v4.2.0
+
+    ----- stderr -----
+    warning: `uv tree` is experimental and may change without warning
+    Resolved 8 packages in [TIME]
+    "###);
+
+    // Should include `colorama`, even though it's only included on Windows.
+    uv_snapshot!(context.filters(), context.tree().arg("--universal"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    project v0.1.0
     └── black v24.3.0
         ├── click v8.1.7
         │   └── colorama v0.4.6
@@ -247,7 +266,7 @@ fn repeated_dependencies() -> Result<()> {
     )?;
 
     // Should include both versions of `anyio`, which have different dependencies.
-    uv_snapshot!(context.filters(), context.tree(), @r###"
+    uv_snapshot!(context.filters(), context.tree().arg("--universal"), @r###"
     success: true
     exit_code: 0
     ----- stdout -----
@@ -321,7 +340,7 @@ fn repeated_version() -> Result<()> {
         Url::from_file_path(context.temp_dir.join("v2")).unwrap(),
     })?;
 
-    uv_snapshot!(context.filters(), context.tree(), @r###"
+    uv_snapshot!(context.filters(), context.tree().arg("--universal"), @r###"
     success: true
     exit_code: 0
     ----- stdout -----
@@ -361,13 +380,14 @@ fn dev_dependencies() -> Result<()> {
         # ...
         requires-python = ">=3.12"
         dependencies = ["iniconfig"]
+
         [tool.uv]
         dev-dependencies = ["anyio"]
     "#,
     )?;
 
     // Dev dependencies should be omitted.
-    uv_snapshot!(context.filters(), context.tree(), @r###"
+    uv_snapshot!(context.filters(), context.tree().arg("--universal"), @r###"
     success: true
     exit_code: 0
     ----- stdout -----