Remove unnecessary wrapping

crates/traversable-error/src/lib.rs

@@ -0,0 +1,2 @@
+pub use anyhow;
+pub use traversable_derive::TraversableError;

crates/uv-build-backend/src/metadata.rs

@@ -26,7 +26,7 @@ use crate::{BuildBackendSettings, Error};
 /// By default, we ignore generated python files.
 pub(crate) const DEFAULT_EXCLUDES: &[&str] = &["__pycache__", "*.pyc", "*.pyo"];
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum ValidationError {
     /// The spec isn't clear about what the values in that field would be, and we only support the
     /// default value (UTF-8).

crates/uv-build-frontend/src/error.rs

@@ -54,7 +54,7 @@ static TORCH_NOT_FOUND_RE: LazyLock<Regex> =
 static DISTUTILS_NOT_FOUND_RE: LazyLock<Regex> =
     LazyLock::new(|| Regex::new(r"ModuleNotFoundError: No module named 'distutils'").unwrap());
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum Error {
     #[error(transparent)]
     Io(#[from] io::Error),
@@ -120,7 +120,7 @@ enum MissingLibrary {
     DeprecatedModule(String, Version),
 }
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub struct MissingHeaderCause {
     missing_library: MissingLibrary,
     package_name: Option<PackageName>,
@@ -248,7 +248,7 @@ impl Display for MissingHeaderCause {
     }
 }
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub struct BuildBackendError {
     message: String,
     exit_code: ExitStatus,
@@ -287,7 +287,7 @@ impl Display for BuildBackendError {
     }
 }
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub struct MissingHeaderError {
     message: String,
     exit_code: ExitStatus,

crates/uv-dispatch/src/lib.rs

@@ -40,7 +40,7 @@ use uv_types::{
 };
 use uv_workspace::WorkspaceCache;
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum BuildDispatchError {
     #[error(transparent)]
     BuildFrontend(#[from] AnyErrorBuild),

crates/uv-distribution-filename/src/egg.rs

@@ -5,7 +5,7 @@ use thiserror::Error;
 use uv_normalize::{InvalidNameError, PackageName};
 use uv_pep440::{Version, VersionParseError};
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum EggInfoFilenameError {
     #[error("The filename \"{0}\" does not end in `.egg-info`")]
     InvalidExtension(String),

crates/uv-distribution-filename/src/extension.rs

@@ -104,7 +104,7 @@ impl Display for SourceDistExtension {
     }
 }
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum ExtensionError {
     #[error("`.whl`, `.tar.gz`, `.zip`, `.tar.bz2`, `.tar.lz`, `.tar.lzma`, `.tar.xz`, `.tar.zst`, `.tar`, `.tbz`, `.tgz`, `.tlz`, or `.txz`")]
     Dist,

crates/uv-distribution-filename/src/source_dist.rs

@@ -141,7 +141,7 @@ impl Display for SourceDistFilename {
     }
 }
 
-#[derive(Error, Debug, Clone)]
+#[derive(Error, traversable_error::TraversableError, Debug, Clone)]
 pub struct SourceDistFilenameError {
     filename: String,
     kind: SourceDistFilenameErrorKind,
@@ -157,7 +157,7 @@ impl Display for SourceDistFilenameError {
     }
 }
 
-#[derive(Error, Debug, Clone)]
+#[derive(Error, traversable_error::TraversableError, Debug, Clone)]
 enum SourceDistFilenameErrorKind {
     #[error("Name doesn't start with package name {0}")]
     Filename(PackageName),

crates/uv-distribution-filename/src/wheel.rs

@@ -355,7 +355,7 @@ impl Serialize for WheelFilename {
     }
 }
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum WheelFilenameError {
     #[error("The wheel filename \"{0}\" is invalid: {1}")]
     InvalidWheelFileName(String, String),

crates/uv-distribution-types/src/index.rs

@@ -375,7 +375,7 @@ impl<'a> From<&'a IndexUrl> for IndexMetadataRef<'a> {
 }
 
 /// An error that can occur when parsing an [`Index`].
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum IndexSourceError {
     #[error(transparent)]
     Url(#[from] IndexUrlError),

crates/uv-distribution-types/src/index_name.rs

@@ -87,7 +87,7 @@ impl Deref for IndexName {
 }
 
 /// An error that can occur when parsing an [`IndexName`].
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum IndexNameError {
     #[error("Index included a name, but the name was empty")]
     EmptyName,

crates/uv-distribution-types/src/index_url.rs

@@ -160,7 +160,7 @@ impl Verbatim for IndexUrl {
 }
 
 /// An error that can occur when parsing an [`IndexUrl`].
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum IndexUrlError {
     #[error(transparent)]
     Io(#[from] std::io::Error),

crates/uv-distribution-types/src/installed.rs

@@ -17,7 +17,7 @@ use uv_pypi_types::{DirectUrl, MetadataError};
 
 use crate::{DistributionMetadata, InstalledMetadata, InstalledVersion, Name, VersionOrUrlRef};
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum InstalledDistError {
     #[error(transparent)]
     Io(#[from] std::io::Error),

crates/uv-distribution-types/src/requirement.rs

@@ -22,7 +22,7 @@ use uv_pypi_types::{
     ParsedUrl, ParsedUrlError, VerbatimParsedUrl,
 };
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum RequirementError {
     #[error(transparent)]
     VerbatimUrlError(#[from] uv_pep508::VerbatimUrlError),

crates/uv-distribution/src/metadata/lowering.rs

@@ -502,7 +502,7 @@ impl LoweredRequirement {
 
 /// An error parsing and merging `tool.uv.sources` with
 /// `project.{dependencies,optional-dependencies}`.
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum LoweringError {
     #[error("`{0}` is included as a workspace member, but is missing an entry in `tool.uv.sources` (e.g., `{0} = {{ workspace = true }}`)")]
     MissingWorkspaceSource(PackageName),

crates/uv-distribution/src/metadata/mod.rs

@@ -20,7 +20,7 @@ mod build_requires;
 mod lowering;
 mod requires_dist;
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum MetadataError {
     #[error(transparent)]
     Workspace(#[from] WorkspaceError),

crates/uv-git-types/src/lib.rs

@@ -9,7 +9,7 @@ mod github;
 mod oid;
 mod reference;
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum GitUrlParseError {
     #[error(
         "Unsupported Git URL scheme `{0}:` in `{1}` (expected one of `https:`, `ssh:`, or `file:`)"

crates/uv-git-types/src/oid.rs

@@ -24,7 +24,7 @@ impl GitOid {
     }
 }
 
-#[derive(Debug, Error, PartialEq)]
+#[derive(Debug, Error, traversable_error::TraversableError, PartialEq)]
 pub enum OidParseError {
     #[error("Object ID can be at most 40 hex characters")]
     TooLong,

crates/uv-globfilter/src/portable_glob.rs

@@ -5,7 +5,7 @@ use globset::{Glob, GlobBuilder};
 use owo_colors::OwoColorize;
 use thiserror::Error;
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum PortableGlobError {
     /// Shows the failing glob in the error message.
     #[error(transparent)]

crates/uv-install-wheel/src/lib.rs

@@ -36,7 +36,7 @@ pub struct Layout {
 }
 
 /// Note: The caller is responsible for adding the path of the wheel we're installing.
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum Error {
     #[error(transparent)]
     Io(#[from] io::Error),

crates/uv-installer/src/compile.rs

@@ -22,7 +22,7 @@ const COMPILEALL_SCRIPT: &str = include_str!("pip_compileall.py");
 /// This is longer than any compilation should ever take.
 const COMPILE_TIMEOUT: Duration = Duration::from_secs(60);
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum CompileError {
     #[error("Failed to list files in `site-packages`")]
     Walkdir(#[from] walkdir::Error),

crates/uv-metadata/src/lib.rs

@@ -15,7 +15,7 @@ use uv_pypi_types::ResolutionMetadata;
 use zip::ZipArchive;
 
 /// The caller is responsible for attaching the path or url we failed to read.
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum Error {
     #[error("Failed to read `dist-info` metadata from built wheel")]
     DistInfo,

crates/uv-pep508/src/lib.rs

@@ -67,7 +67,7 @@ pub struct Pep508Error<T: Pep508Url = VerbatimUrl> {
 }
 
 /// Either we have an error string from our parser or an upstream error from `url`
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum Pep508ErrorSource<T: Pep508Url = VerbatimUrl> {
     /// An error from our parser.
     #[error("{0}")]

crates/uv-pep508/src/verbatim_url.rs

@@ -317,7 +317,7 @@ impl Pep508Url for VerbatimUrl {
 }
 
 /// An error that can occur when parsing a [`VerbatimUrl`].
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum VerbatimUrlError {
     /// Failed to parse a URL.
     #[error(transparent)]

crates/uv-platform-tags/src/platform.rs

@@ -5,7 +5,7 @@ use std::{fmt, io};
 
 use thiserror::Error;
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum PlatformError {
     #[error(transparent)]
     IOError(#[from] io::Error),

crates/uv-publish/src/lib.rs

@@ -43,7 +43,7 @@ use uv_warnings::{warn_user, warn_user_once};
 
 use crate::trusted_publishing::TrustedPublishingError;
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum PublishError {
     #[error("The publish path is not a valid glob pattern: `{0}`")]
     Pattern(String, #[source] PatternError),
@@ -81,7 +81,7 @@ pub enum PublishError {
 }
 
 /// Failure to get the metadata for a specific file.
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum PublishPrepareError {
     #[error(transparent)]
     Io(#[from] io::Error),
@@ -100,7 +100,7 @@ pub enum PublishPrepareError {
 }
 
 /// Failure in or after (HTTP) transport for a specific file.
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum PublishSendError {
     #[error("Failed to send POST request")]
     ReqwestMiddleware(#[source] reqwest_middleware::Error),

crates/uv-publish/src/trusted_publishing.rs

@@ -14,7 +14,7 @@ use tracing::{debug, trace};
 use url::Url;
 use uv_static::EnvVars;
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum TrustedPublishingError {
     #[error("Environment variable {0} not set, is the `id-token: write` permission missing?")]
     MissingEnvVar(&'static str),

crates/uv-pypi-types/src/identifier.rs

@@ -12,7 +12,7 @@ use thiserror::Error;
 #[derive(Debug, Clone, Hash, PartialEq, Eq, PartialOrd, Ord)]
 pub struct Identifier(Box<str>);
 
-#[derive(Debug, Clone, Error)]
+#[derive(Debug, Clone, Error, traversable_error::TraversableError)]
 pub enum IdentifierParseError {
     #[error("An identifier must not be empty")]
     Empty,

crates/uv-pypi-types/src/metadata/mod.rs

@@ -28,7 +28,7 @@ pub use requires_txt::RequiresTxt;
 /// <https://github.com/PyO3/python-pkginfo-rs/blob/d719988323a0cfea86d4737116d7917f30e819e2/src/error.rs>
 ///
 /// The error type
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum MetadataError {
     #[error(transparent)]
     MailParse(#[from] MailParseError),

crates/uv-python/src/discovery.rs

@@ -175,7 +175,7 @@ type FindPythonResult = Result<PythonInstallation, PythonNotFound>;
 /// The result of failed Python installation discovery.
 ///
 /// See [`FindPythonResult`].
-#[derive(Clone, Debug, Error)]
+#[derive(Clone, Debug, Error, traversable_error::TraversableError)]
 pub struct PythonNotFound {
     pub request: PythonRequest,
     pub python_preference: PythonPreference,
@@ -209,7 +209,7 @@ pub enum PythonSource {
     ParentInterpreter,
 }
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum Error {
     #[error(transparent)]
     Io(#[from] io::Error),

crates/uv-python/src/environment.rs

@@ -33,13 +33,13 @@ struct PythonEnvironmentShared {
 /// The result of failed environment discovery.
 ///
 /// Generally this is cast from [`PythonNotFound`] by [`PythonEnvironment::find`].
-#[derive(Clone, Debug, Error)]
+#[derive(Clone, Debug, Error, traversable_error::TraversableError)]
 pub struct EnvironmentNotFound {
     request: PythonRequest,
     preference: EnvironmentPreference,
 }
 
-#[derive(Clone, Debug, Error)]
+#[derive(Clone, Debug, Error, traversable_error::TraversableError)]
 pub struct InvalidEnvironment {
     path: PathBuf,
     pub kind: InvalidEnvironmentKind,

crates/uv-python/src/implementation.rs

@@ -4,7 +4,7 @@ use std::{
 };
 use thiserror::Error;
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum Error {
     #[error("Unknown Python implementation `{0}`")]
     UnknownImplementation(String),

crates/uv-python/src/installation.rs

@@ -253,7 +253,7 @@ impl PythonInstallation {
     }
 }
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum PythonInstallationKeyError {
     #[error("Failed to parse Python installation key `{0}`: {1}")]
     ParseError(String, String),

crates/uv-python/src/interpreter.rs

@@ -598,7 +598,7 @@ impl ExternallyManaged {
     }
 }
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub struct UnexpectedResponseError {
     #[source]
     pub(super) err: serde_json::Error,
@@ -636,7 +636,7 @@ impl Display for UnexpectedResponseError {
     }
 }
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub struct StatusCodeError {
     pub(super) code: ExitStatus,
     pub(super) stdout: String,
@@ -673,7 +673,7 @@ impl Display for StatusCodeError {
     }
 }
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum Error {
     #[error("Failed to query Python interpreter")]
     Io(#[from] io::Error),
@@ -701,7 +701,7 @@ pub enum Error {
     Encode(#[from] rmp_serde::encode::Error),
 }
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub struct BrokenSymlink {
     pub path: PathBuf,
     /// Whether the interpreter path looks like a virtual environment.
@@ -735,7 +735,7 @@ enum InterpreterInfoResult {
     Success(Box<InterpreterInfo>),
 }
 
-#[derive(Debug, Error, Deserialize, Serialize)]
+#[derive(Debug, Error, traversable_error::TraversableError, Deserialize, Serialize)]
 #[serde(tag = "kind", rename_all = "snake_case")]
 pub enum InterpreterInfoError {
     #[error("Could not detect a glibc or a musl libc (while running on Linux)")]

crates/uv-python/src/lib.rs

@@ -63,7 +63,7 @@ pub(crate) fn current_dir() -> Result<std::path::PathBuf, std::io::Error> {
         .unwrap_or(std::env::current_dir())
 }
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum Error {
     #[error(transparent)]
     Io(#[from] std::io::Error),

crates/uv-python/src/libc.rs

@@ -14,7 +14,7 @@ use thiserror::Error;
 use tracing::trace;
 use uv_fs::Simplified;
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum LibcDetectionError {
     #[error("Could not detect either glibc version nor musl libc version, at least one of which is required")]
     NoLibcFound,

crates/uv-python/src/managed.rs

@@ -27,7 +27,7 @@ use crate::platform::{Arch, Libc, Os};
 use crate::python_version::PythonVersion;
 use crate::{macos_dylib, sysconfig, PythonRequest, PythonVariant};
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum Error {
     #[error(transparent)]
     Io(#[from] io::Error),

crates/uv-python/src/platform.rs

@@ -5,7 +5,7 @@ use std::ops::Deref;
 use std::{fmt, str::FromStr};
 use thiserror::Error;
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum Error {
     #[error("Unknown operating system: {0}")]
     UnknownOs(String),

crates/uv-python/src/virtualenv.rs

@@ -48,7 +48,7 @@ pub struct PyVenvConfiguration {
     pub(crate) version: Option<PythonVersion>,
 }
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum Error {
     #[error(transparent)]
     Io(#[from] io::Error),

crates/uv-python/src/windows_registry.rs

@@ -125,7 +125,7 @@ fn read_registry_entry(company: &str, tag: &str, tag_key: &Key) -> Option<Window
     })
 }
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum ManagedPep514Error {
     #[error("Windows has an unknown pointer width for arch: `{_0}`")]
     InvalidPointerSize(Arch),

crates/uv-scripts/src/lib.rs

@@ -368,7 +368,7 @@ pub struct ToolUv {
     pub sources: Option<BTreeMap<PackageName, Sources>>,
 }
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum Pep723Error {
     #[error("An opening tag (`# /// script`) was found without a closing tag (`# ///`). Ensure that every line between the opening and closing tags (including empty lines) starts with a leading `#`.")]
     UnclosedBlock,

crates/uv-tool/src/lib.rs

@@ -27,7 +27,7 @@ use uv_static::EnvVars;
 mod receipt;
 mod tool;
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum Error {
     #[error(transparent)]
     Io(#[from] io::Error),

crates/uv-trampoline-builder/src/lib.rs

@@ -171,7 +171,7 @@ impl LauncherKind {
 }
 
 /// Note: The caller is responsible for adding the path of the wheel we're installing.
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum Error {
     #[error(transparent)]
     Io(#[from] io::Error),

crates/uv-virtualenv/src/lib.rs

@@ -7,7 +7,7 @@ use uv_python::{Interpreter, PythonEnvironment};
 
 mod virtualenv;
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum Error {
     #[error(transparent)]
     Io(#[from] io::Error),

crates/uv-workspace/src/dependency_groups.rs

@@ -141,7 +141,7 @@ impl IntoIterator for FlatDependencyGroups {
     }
 }
 
-#[derive(Debug, Error)]
+#[derive(Debug, Error, traversable_error::TraversableError)]
 pub enum DependencyGroupError {
     #[error("Failed to parse entry in group `{0}`: `{1}`")]
     GroupParseError(

crates/uv-workspace/src/pyproject.rs

@@ -30,7 +30,7 @@ use uv_pypi_types::{
     Conflicts, DependencyGroups, SchemaConflicts, SupportedEnvironments, VerbatimParsedUrl,
 };
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum PyprojectTomlError {
     #[error(transparent)]
     TomlSyntax(#[from] toml_edit::TomlError),
@@ -1331,7 +1331,7 @@ impl<'de> Deserialize<'de> for Source {
     }
 }
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum SourceError {
     #[error("Failed to resolve Git reference: `{0}`")]
     UnresolvedReference(String),

crates/uv-workspace/src/pyproject_mut.rs

@@ -28,7 +28,7 @@ pub struct PyProjectTomlMut {
     target: DependencyTarget,
 }
 
-#[derive(Error, Debug)]
+#[derive(Error, traversable_error::TraversableError, Debug)]
 pub enum Error {
     #[error("Failed to parse `pyproject.toml`")]
     Parse(#[from] Box<TomlError>),

crates/uv/src/commands/build_frontend.rs

@@ -260,8 +260,7 @@ async fn build_impl(
         let workspace = match workspace {
             Ok(ref workspace) => workspace,
             Err(err) => {
-                return Err(anyhow::Error::from(err)
-                    .context("`--package` was provided, but no workspace was found"));
+                return Err(err).context("`--package` was provided, but no workspace was found");
             }
         };
 
@@ -289,8 +288,8 @@ async fn build_impl(
         let workspace = match workspace {
             Ok(ref workspace) => workspace,
             Err(err) => {
-                return Err(anyhow::Error::from(err)
-                    .context("`--all-packages` was provided, but no workspace was found"));
+                return Err(err)
+                    .context("`--all-packages` was provided, but no workspace was found");
             }
         };
 

crates/uv/src/commands/venv.rs

@@ -103,7 +103,7 @@ pub(crate) async fn venv(
     }
 }
 
-#[derive(Error, Debug, Diagnostic)]
+#[derive(Error, traversable_error::TraversableError, Debug, Diagnostic)]
 enum VenvError {
     #[error("Failed to create virtualenv")]
     #[diagnostic(code(uv::venv::creation))]