Respect PEP 723 script lockfiles in uv run

crates/uv-configuration/src/dev.rs

@@ -316,7 +316,7 @@ impl From<GroupsSpecification> for DevGroupsSpecification {
 
 /// The manifest of `dependency-groups` to include, taking into account the user-provided
 /// [`DevGroupsSpecification`] and the project-specific default groups.
-#[derive(Debug, Clone)]
+#[derive(Debug, Default, Clone)]
 pub struct DevGroupsManifest {
     /// The specification for the development dependencies.
     pub(crate) spec: DevGroupsSpecification,
@@ -347,7 +347,7 @@ impl DevGroupsManifest {
     }
 
     /// Returns `true` if the group was enabled by default.
-    pub fn default(&self, group: &GroupName) -> bool {
+    pub fn is_default(&self, group: &GroupName) -> bool {
         if self.spec.contains(group) {
             // If the group was explicitly requested, then it wasn't enabled by default.
             false

crates/uv-resolver/src/lock/installable.rs

@@ -27,6 +27,13 @@ pub trait Installable<'lock> {
     /// Return the [`PackageName`] of the root packages in the target.
     fn roots(&self) -> impl Iterator<Item = &PackageName>;
 
+    /// Return the [`InstallTarget`] requirements.
+    ///
+    /// Returns dependencies that apply to the workspace root, but not any of its members. As such,
+    /// only returns a non-empty iterator for scripts, which include packages directly (unlike
+    /// workspaces, in which each member has its own dependencies).
+    fn requirements(&self) -> Option<&[uv_pep508::Requirement<VerbatimParsedUrl>]>;
+
     /// Return the [`InstallTarget`] dependency groups.
     ///
     /// Returns dependencies that apply to the workspace root, but not any of its members. As such,

crates/uv-scripts/src/lib.rs

@@ -54,6 +54,14 @@ impl Pep723Item {
             Self::Remote(_) => None,
         }
     }
+
+    /// Return the PEP 723 script, if any.
+    pub fn as_script(&self) -> Option<&Pep723Script> {
+        match self {
+            Self::Script(script) => Some(script),
+            _ => None,
+        }
+    }
 }
 
 /// A PEP 723 script, including its [`Pep723Metadata`].
@@ -193,6 +201,18 @@ impl Pep723Script {
 
         Ok(())
     }
+
+    /// Return the [`Sources`] defined in the PEP 723 metadata.
+    pub fn sources(&self) -> &BTreeMap<PackageName, Sources> {
+        static EMPTY: BTreeMap<PackageName, Sources> = BTreeMap::new();
+
+        self.metadata
+            .tool
+            .as_ref()
+            .and_then(|tool| tool.uv.as_ref())
+            .and_then(|uv| uv.sources.as_ref())
+            .unwrap_or(&EMPTY)
+    }
 }
 
 /// PEP 723 metadata as parsed from a `script` comment block.

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

@@ -593,6 +593,7 @@ pub(crate) async fn add(
         Target::Project(project, environment) => (project, environment),
         // If `--script`, exit early. There's no reason to lock and sync.
         Target::Script(script, _) => {
+            // TODO(charlie): Lock the script, if a lockfile already exists.
             writeln!(
                 printer.stderr(),
                 "Updated `{}`",

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

@@ -1,6 +1,7 @@
 use tracing::debug;
 
 use crate::commands::pip::loggers::{InstallLogger, ResolveLogger};
+use crate::commands::project::install_target::InstallTarget;
 use crate::commands::project::{
     resolve_environment, sync_environment, EnvironmentSpecification, ProjectError,
 };
@@ -9,10 +10,13 @@ use crate::settings::ResolverInstallerSettings;
 use uv_cache::{Cache, CacheBucket};
 use uv_cache_key::{cache_digest, hash_digest};
 use uv_client::Connectivity;
-use uv_configuration::{Concurrency, PreviewMode, TrustedHost};
+use uv_configuration::{
+    Concurrency, DevGroupsManifest, ExtrasSpecification, InstallOptions, PreviewMode, TrustedHost,
+};
 use uv_dispatch::SharedState;
 use uv_distribution_types::{Name, Resolution};
 use uv_python::{Interpreter, PythonEnvironment};
+use uv_resolver::Installable;
 
 /// A [`PythonEnvironment`] stored in the cache.
 #[derive(Debug)]
@@ -25,9 +29,8 @@ impl From<CachedEnvironment> for PythonEnvironment {
 }
 
 impl CachedEnvironment {
-    /// Get or create an [`CachedEnvironment`] based on a given set of requirements and a base
-    /// interpreter.
-    pub(crate) async fn get_or_create(
+    /// Get or create an [`CachedEnvironment`] based on a given set of requirements.
+    pub(crate) async fn from_spec(
         spec: EnvironmentSpecification<'_>,
         interpreter: Interpreter,
         settings: &ResolverInstallerSettings,
@@ -43,21 +46,7 @@ impl CachedEnvironment {
         printer: Printer,
         preview: PreviewMode,
     ) -> Result<Self, ProjectError> {
-        // When caching, always use the base interpreter, rather than that of the virtual
-        // environment.
-        let interpreter = if let Some(interpreter) = interpreter.to_base_interpreter(cache)? {
-            debug!(
-                "Caching via base interpreter: `{}`",
-                interpreter.sys_executable().display()
-            );
-            interpreter
-        } else {
-            debug!(
-                "Caching via interpreter: `{}`",
-                interpreter.sys_executable().display()
-            );
-            interpreter
-        };
+        let interpreter = Self::base_interpreter(interpreter, cache)?;
 
         // Resolve the requirements with the interpreter.
         let resolution = Resolution::from(
@@ -78,6 +67,93 @@ impl CachedEnvironment {
             .await?,
         );
 
+        Self::from_resolution(
+            resolution,
+            interpreter,
+            settings,
+            state,
+            install,
+            installer_metadata,
+            connectivity,
+            concurrency,
+            native_tls,
+            allow_insecure_host,
+            cache,
+            printer,
+            preview,
+        )
+        .await
+    }
+
+    /// Get or create an [`CachedEnvironment`] based on a given [`InstallTarget`].
+    pub(crate) async fn from_lock(
+        target: InstallTarget<'_>,
+        extras: &ExtrasSpecification,
+        dev: &DevGroupsManifest,
+        install_options: InstallOptions,
+        settings: &ResolverInstallerSettings,
+        interpreter: Interpreter,
+        state: &SharedState,
+        install: Box<dyn InstallLogger>,
+        installer_metadata: bool,
+        connectivity: Connectivity,
+        concurrency: Concurrency,
+        native_tls: bool,
+        allow_insecure_host: &[TrustedHost],
+        cache: &Cache,
+        printer: Printer,
+        preview: PreviewMode,
+    ) -> Result<Self, ProjectError> {
+        let interpreter = Self::base_interpreter(interpreter, cache)?;
+
+        // Determine the tags, markers, and interpreter to use for resolution.
+        let tags = interpreter.tags()?;
+        let marker_env = interpreter.resolver_marker_environment();
+
+        // Read the lockfile.
+        let resolution = target.to_resolution(
+            &marker_env,
+            tags,
+            extras,
+            dev,
+            &settings.build_options,
+            &install_options,
+        )?;
+
+        Self::from_resolution(
+            resolution,
+            interpreter,
+            settings,
+            state,
+            install,
+            installer_metadata,
+            connectivity,
+            concurrency,
+            native_tls,
+            allow_insecure_host,
+            cache,
+            printer,
+            preview,
+        )
+        .await
+    }
+
+    /// Get or create an [`CachedEnvironment`] based on a given [`Resolution`].
+    pub(crate) async fn from_resolution(
+        resolution: Resolution,
+        interpreter: Interpreter,
+        settings: &ResolverInstallerSettings,
+        state: &SharedState,
+        install: Box<dyn InstallLogger>,
+        installer_metadata: bool,
+        connectivity: Connectivity,
+        concurrency: Concurrency,
+        native_tls: bool,
+        allow_insecure_host: &[TrustedHost],
+        cache: &Cache,
+        printer: Printer,
+        preview: PreviewMode,
+    ) -> Result<Self, ProjectError> {
         // Hash the resolution by hashing the generated lockfile.
         // TODO(charlie): If the resolution contains any mutable metadata (like a path or URL
         // dependency), skip this step.
@@ -144,4 +220,28 @@ impl CachedEnvironment {
     pub(crate) fn into_interpreter(self) -> Interpreter {
         self.0.into_interpreter()
     }
+
+    /// Return the [`Interpreter`] to use for the cached environment, based on a given
+    /// [`Interpreter`].
+    ///
+    /// When caching, always use the base interpreter, rather than that of the virtual
+    /// environment.
+    fn base_interpreter(
+        interpreter: Interpreter,
+        cache: &Cache,
+    ) -> Result<Interpreter, ProjectError> {
+        if let Some(interpreter) = interpreter.to_base_interpreter(cache)? {
+            debug!(
+                "Caching via base interpreter: `{}`",
+                interpreter.sys_executable().display()
+            );
+            Ok(interpreter)
+        } else {
+            debug!(
+                "Caching via interpreter: `{}`",
+                interpreter.sys_executable().display()
+            );
+            Ok(interpreter)
+        }
+    }
 }