Add support for uv export --all

crates/uv-cli/src/lib.rs

@@ -3343,10 +3343,20 @@ pub struct ExportArgs {
     #[arg(long, value_enum, default_value_t = ExportFormat::default())]
     pub format: ExportFormat,
 
+    /// Export the entire workspace.
+    ///
+    /// The dependencies for all workspace members will be included in the
+    /// exported requirements file.
+    ///
+    /// Any extras or groups specified via `--extra`, `--group`, or related options
+    /// will be applied to all workspace members.
+    #[arg(long, conflicts_with = "package")]
+    pub all_packages: bool,
+
     /// Export the dependencies for a specific package in the workspace.
     ///
     /// If the workspace member does not exist, uv will exit with an error.
-    #[arg(long)]
+    #[arg(long, conflicts_with = "all_packages")]
     pub package: Option<PackageName>,
 
     /// Include optional dependencies from the specified extra name.

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

@@ -10,17 +10,17 @@ use petgraph::{Directed, Graph};
 use rustc_hash::{FxBuildHasher, FxHashMap, FxHashSet};
 use url::Url;
 
+use crate::graph_ops::marker_reachability;
+use crate::lock::{Package, PackageId, Source};
+use crate::{Lock, LockError};
 use uv_configuration::{DevGroupsManifest, EditableMode, ExtrasSpecification, InstallOptions};
 use uv_distribution_filename::{DistExtension, SourceDistExtension};
 use uv_fs::Simplified;
 use uv_git::GitReference;
-use uv_normalize::{ExtraName, PackageName};
+use uv_normalize::ExtraName;
 use uv_pep508::MarkerTree;
 use uv_pypi_types::{ParsedArchiveUrl, ParsedGitUrl};
-
-use crate::graph_ops::marker_reachability;
-use crate::lock::{Package, PackageId, Source};
-use crate::{Lock, LockError};
+use uv_workspace::InstallTarget;
 
 type LockGraph<'lock> = Graph<Node<'lock>, Edge, Directed>;
 
@@ -35,7 +35,7 @@ pub struct RequirementsTxtExport<'lock> {
 impl<'lock> RequirementsTxtExport<'lock> {
     pub fn from_lock(
         lock: &'lock Lock,
-        root_name: &PackageName,
+        target: InstallTarget<'lock>,
         extras: &ExtrasSpecification,
         dev: &DevGroupsManifest,
         editable: EditableMode,
@@ -52,65 +52,67 @@ impl<'lock> RequirementsTxtExport<'lock> {
         let root = petgraph.add_node(Node::Root);
 
         // Add the workspace package to the queue.
-        let dist = lock
-            .find_by_name(root_name)
-            .expect("found too many packages matching root")
-            .expect("could not find root");
-
-        if dev.prod() {
-            // Add the workspace package to the graph.
-            if let Entry::Vacant(entry) = inverse.entry(&dist.id) {
-                entry.insert(petgraph.add_node(Node::Package(dist)));
-            }
+        for root_name in target.packages() {
+            let dist = lock
+                .find_by_name(root_name)
+                .expect("found too many packages matching root")
+                .expect("could not find root");
+
+            if dev.prod() {
+                // Add the workspace package to the graph.
+                if let Entry::Vacant(entry) = inverse.entry(&dist.id) {
+                    entry.insert(petgraph.add_node(Node::Package(dist)));
+                }
+
+                // Add an edge from the root.
+                let index = inverse[&dist.id];
+                petgraph.add_edge(root, index, MarkerTree::TRUE);
 
-            // Add an edge from the root.
-            let index = inverse[&dist.id];
-            petgraph.add_edge(root, index, MarkerTree::TRUE);
-
-            // Push its dependencies on the queue.
-            queue.push_back((dist, None));
-            match extras {
-                ExtrasSpecification::None => {}
-                ExtrasSpecification::All => {
-                    for extra in dist.optional_dependencies.keys() {
-                        queue.push_back((dist, Some(extra)));
+                // Push its dependencies on the queue.
+                queue.push_back((dist, None));
+                match extras {
+                    ExtrasSpecification::None => {}
+                    ExtrasSpecification::All => {
+                        for extra in dist.optional_dependencies.keys() {
+                            queue.push_back((dist, Some(extra)));
+                        }
                     }
-                }
-                ExtrasSpecification::Some(extras) => {
-                    for extra in extras {
-                        queue.push_back((dist, Some(extra)));
+                    ExtrasSpecification::Some(extras) => {
+                        for extra in extras {
+                            queue.push_back((dist, Some(extra)));
+                        }
                     }
                 }
             }
-        }
 
-        // Add any development dependencies.
-        for group in dev.iter() {
-            for dep in dist.dependency_groups.get(group).into_iter().flatten() {
-                let dep_dist = lock.find_by_id(&dep.package_id);
+            // Add any development dependencies.
+            for group in dev.iter() {
+                for dep in dist.dependency_groups.get(group).into_iter().flatten() {
+                    let dep_dist = lock.find_by_id(&dep.package_id);
 
-                // Add the dependency to the graph.
-                if let Entry::Vacant(entry) = inverse.entry(&dep.package_id) {
-                    entry.insert(petgraph.add_node(Node::Package(dep_dist)));
-                }
+                    // Add the dependency to the graph.
+                    if let Entry::Vacant(entry) = inverse.entry(&dep.package_id) {
+                        entry.insert(petgraph.add_node(Node::Package(dep_dist)));
+                    }
 
-                // Add an edge from the root. Development dependencies may be installed without
-                // installing the workspace package itself (which can never have markers on it
-                // anyway), so they're directly connected to the root.
-                let dep_index = inverse[&dep.package_id];
-                petgraph.add_edge(
-                    root,
-                    dep_index,
-                    dep.simplified_marker.as_simplified_marker_tree().clone(),
-                );
+                    // Add an edge from the root. Development dependencies may be installed without
+                    // installing the workspace package itself (which can never have markers on it
+                    // anyway), so they're directly connected to the root.
+                    let dep_index = inverse[&dep.package_id];
+                    petgraph.add_edge(
+                        root,
+                        dep_index,
+                        dep.simplified_marker.as_simplified_marker_tree().clone(),
+                    );
 
-                // Push its dependencies on the queue.
-                if seen.insert((&dep.package_id, None)) {
-                    queue.push_back((dep_dist, None));
-                }
-                for extra in &dep.extra {
-                    if seen.insert((&dep.package_id, Some(extra))) {
-                        queue.push_back((dep_dist, Some(extra)));
+                    // Push its dependencies on the queue.
+                    if seen.insert((&dep.package_id, None)) {
+                        queue.push_back((dep_dist, None));
+                    }
+                    for extra in &dep.extra {
+                        if seen.insert((&dep.package_id, Some(extra))) {
+                            queue.push_back((dep_dist, Some(extra)));
+                        }
                     }
                 }
             }
@@ -170,7 +172,11 @@ impl<'lock> RequirementsTxtExport<'lock> {
                 Node::Package(package) => Some((index, package)),
             })
             .filter(|(_index, package)| {
-                install_options.include_package(&package.id.name, Some(root_name), lock.members())
+                install_options.include_package(
+                    &package.id.name,
+                    target.project_name(),
+                    lock.members(),
+                )
             })
             .map(|(index, package)| Requirement {
                 package,

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

@@ -30,6 +30,7 @@ use crate::settings::ResolverSettings;
 pub(crate) async fn export(
     project_dir: &Path,
     format: ExportFormat,
+    all_packages: bool,
     package: Option<PackageName>,
     hashes: bool,
     install_options: InstallOptions,
@@ -52,14 +53,7 @@ pub(crate) async fn export(
     printer: Printer,
 ) -> Result<ExitStatus> {
     // Identify the project.
-    let project = if let Some(package) = package {
-        VirtualProject::Project(
-            Workspace::discover(project_dir, &DiscoveryOptions::default())
-                .await?
-                .with_current_project(package.clone())
-                .with_context(|| format!("Package `{package}` not found in workspace"))?,
-        )
-    } else if frozen {
+    let project = if frozen && !all_packages {
         VirtualProject::discover(
             project_dir,
             &DiscoveryOptions {
@@ -68,15 +62,18 @@ pub(crate) async fn export(
             },
         )
         .await?
+    } else if let Some(package) = package.as_ref() {
+        VirtualProject::Project(
+            Workspace::discover(project_dir, &DiscoveryOptions::default())
+                .await?
+                .with_current_project(package.clone())
+                .with_context(|| format!("Package `{package}` not found in workspace"))?,
+        )
     } else {
         VirtualProject::discover(project_dir, &DiscoveryOptions::default()).await?
     };
 
-    // Determine the default groups to include.
-    validate_dependency_groups(InstallTarget::from_project(&project), &dev)?;
-    let defaults = default_dependency_groups(project.pyproject_toml())?;
-
-    let VirtualProject::Project(project) = project else {
+    if project.is_non_project() {
         return Err(anyhow::anyhow!("Legacy non-project roots are not supported in `uv export`; add a `[project]` table to your `pyproject.toml` to enable exports"));
     };
 
@@ -147,6 +144,19 @@ pub(crate) async fn export(
         Err(err) => return Err(err.into()),
     };
 
+    // Identify the target.
+    let target = if let Some(package) = package.as_ref().filter(|_| frozen) {
+        InstallTarget::frozen(&project, package)
+    } else if all_packages {
+        InstallTarget::from_workspace(&project)
+    } else {
+        InstallTarget::from_project(&project)
+    };
+
+    // Determine the default groups to include.
+    validate_dependency_groups(target, &dev)?;
+    let defaults = default_dependency_groups(project.pyproject_toml())?;
+
     // Write the resolved dependencies to the output channel.
     let mut writer = OutputWriter::new(!quiet || output_file.is_none(), output_file.as_deref());
 
@@ -155,7 +165,7 @@ pub(crate) async fn export(
         ExportFormat::RequirementsTxt => {
             let export = RequirementsTxtExport::from_lock(
                 &lock,
-                project.project_name(),
+                target,
                 &extras,
                 &dev.with_defaults(defaults),
                 editable,

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

@@ -81,6 +81,14 @@ pub(crate) async fn sync(
         VirtualProject::discover(project_dir, &DiscoveryOptions::default()).await?
     };
 
+    // TODO(lucab): improve warning content
+    // <https://github.com/astral-sh/uv/issues/7428>
+    if project.workspace().pyproject_toml().has_scripts()
+        && !project.workspace().pyproject_toml().is_package()
+    {
+        warn_user!("Skipping installation of entry points (`project.scripts`) because this project is not packaged; to install entry points, set `tool.uv.package = true` or define a `build-system`");
+    }
+
     // Identify the target.
     let target = if let Some(package) = package.as_ref().filter(|_| frozen) {
         InstallTarget::frozen(&project, package)
@@ -90,14 +98,6 @@ pub(crate) async fn sync(
         InstallTarget::from_project(&project)
     };
 
-    // TODO(lucab): improve warning content
-    // <https://github.com/astral-sh/uv/issues/7428>
-    if project.workspace().pyproject_toml().has_scripts()
-        && !project.workspace().pyproject_toml().is_package()
-    {
-        warn_user!("Skipping installation of entry points (`project.scripts`) because this project is not packaged; to install entry points, set `tool.uv.package = true` or define a `build-system`");
-    }
-
     // Determine the default groups to include.
     validate_dependency_groups(target, &dev)?;
     let defaults = default_dependency_groups(project.pyproject_toml())?;

crates/uv/src/lib.rs

@@ -1510,6 +1510,7 @@ async fn run_project(
             commands::export(
                 project_dir,
                 args.format,
+                args.all_packages,
                 args.package,
                 args.hashes,
                 args.install_options,

crates/uv/src/settings.rs

@@ -1094,6 +1094,7 @@ impl TreeSettings {
 #[derive(Debug, Clone)]
 pub(crate) struct ExportSettings {
     pub(crate) format: ExportFormat,
+    pub(crate) all_packages: bool,
     pub(crate) package: Option<PackageName>,
     pub(crate) extras: ExtrasSpecification,
     pub(crate) dev: DevGroupsSpecification,
@@ -1115,6 +1116,7 @@ impl ExportSettings {
     pub(crate) fn resolve(args: ExportArgs, filesystem: Option<FilesystemOptions>) -> Self {
         let ExportArgs {
             format,
+            all_packages,
             package,
             extra,
             all_extras,
@@ -1143,8 +1145,9 @@ impl ExportSettings {
         } = args;
 
         Self {
-            package,
             format,
+            all_packages,
+            package,
             extras: ExtrasSpecification::from_args(
                 flag(all_extras, no_all_extras).unwrap_or_default(),
                 extra.unwrap_or_default(),