Remove unused thiserror variants (#11713)

## Summary

We get to remove an entire dependency too.

Cargo.lock

@@ -2615,16 +2615,6 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
 
-[[package]]
-name = "platform-info"
-version = "2.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7539aeb3fdd8cb4f6a331307cf71a1039cee75e94e8a71725b9484f4a0d9451a"
-dependencies = [
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "png"
 version = "0.17.16"
@@ -5198,7 +5188,6 @@ dependencies = [
  "indoc",
  "mailparse",
  "pathdiff",
- "platform-info",
  "reflink-copy",
  "regex",
  "rustc-hash",
@@ -5216,13 +5205,11 @@ dependencies = [
  "uv-fs",
  "uv-normalize",
  "uv-pep440",
- "uv-platform-tags",
  "uv-pypi-types",
  "uv-shell",
  "uv-trampoline-builder",
  "uv-warnings",
  "walkdir",
- "zip",
 ]
 
 [[package]]
@@ -5789,7 +5776,6 @@ dependencies = [
  "thiserror 2.0.11",
  "tracing",
  "uv-fs",
- "uv-platform-tags",
  "uv-pypi-types",
  "uv-python",
  "uv-shell",

Cargo.toml

@@ -130,7 +130,6 @@ path-slash = { version = "0.2.1" }
 pathdiff = { version = "0.2.1" }
 percent-encoding = { version = "2.3.1" }
 petgraph = { version = "0.7.1" }
-platform-info = { version = "2.0.3" }
 proc-macro2 = { version = "1.0.86" }
 procfs = { version = "0.17.0", default-features = false, features = ["flate2"] }
 pubgrub = { git = "https://github.com/astral-sh/pubgrub", rev = "b70cf707aa43f21b32f3a61b8a0889b15032d5c4" }

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

@@ -9,7 +9,7 @@ pub use wheel::{build_editable, build_wheel, list_wheel, metadata};
 use crate::metadata::ValidationError;
 use std::fs::FileType;
 use std::io;
-use std::path::{Path, PathBuf, StripPrefixError};
+use std::path::{Path, PathBuf};
 use thiserror::Error;
 use tracing::debug;
 use uv_fs::Simplified;
@@ -36,13 +36,6 @@ pub enum Error {
         #[source]
         source: globset::Error,
     },
-    /// [`globset::Error`] shows the glob that failed to parse.
-    #[error("Unsupported glob expression in: `{field}`")]
-    GlobSet {
-        field: String,
-        #[source]
-        err: globset::Error,
-    },
     #[error("`pyproject.toml` must not be excluded from source distribution build")]
     PyprojectTomlExcluded,
     #[error("Failed to walk source tree: `{}`", root.user_display())]
@@ -51,8 +44,6 @@ pub enum Error {
         #[source]
         err: walkdir::Error,
     },
-    #[error("Failed to walk source tree")]
-    StripPrefix(#[from] StripPrefixError),
     #[error("Unsupported file type {:?}: `{}`", _1, _0.user_display())]
     UnsupportedFileType(PathBuf, FileType),
     #[error("Failed to write wheel zip archive")]

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

@@ -66,8 +66,6 @@ pub enum Error {
     InvalidPyprojectTomlSyntax(#[from] toml_edit::TomlError),
     #[error("`pyproject.toml` does not match the required schema. When the `[project]` table is present, `project.name` must be present and non-empty.")]
     InvalidPyprojectTomlSchema(#[from] toml_edit::de::Error),
-    #[error("Editable installs with setup.py legacy builds are unsupported, please specify a build backend in pyproject.toml")]
-    EditableSetupPy,
     #[error("Failed to resolve requirements from {0}")]
     RequirementsResolve(&'static str, #[source] AnyErrorBuild),
     #[error("Failed to install requirements from {0}")]
@@ -100,7 +98,6 @@ impl IsBuildBackendError for Error {
             | Self::InvalidSourceDist(_)
             | Self::InvalidPyprojectTomlSyntax(_)
             | Self::InvalidPyprojectTomlSchema(_)
-            | Self::EditableSetupPy
             | Self::RequirementsResolve(_, _)
             | Self::RequirementsInstall(_, _)
             | Self::Virtualenv(_)

crates/uv-distribution/src/error.rs

@@ -12,7 +12,7 @@ use uv_distribution_types::{InstalledDist, InstalledDistError, IsBuildBackendErr
 use uv_fs::Simplified;
 use uv_normalize::PackageName;
 use uv_pep440::{Version, VersionSpecifiers};
-use uv_pypi_types::{HashAlgorithm, HashDigest, ParsedUrlError};
+use uv_pypi_types::{HashAlgorithm, HashDigest};
 use uv_types::AnyErrorBuild;
 
 #[derive(Debug, thiserror::Error)]
@@ -26,8 +26,6 @@ pub enum Error {
     #[error(transparent)]
     InvalidUrl(#[from] uv_distribution_types::ToUrlError),
     #[error(transparent)]
-    ParsedUrl(#[from] ParsedUrlError),
-    #[error(transparent)]
     JoinRelativeUrl(#[from] uv_pypi_types::JoinRelativeError),
     #[error("Expected a file URL, but received: {0}")]
     NonFileUrl(Url),
@@ -86,8 +84,6 @@ pub enum Error {
     ReadInstalled(Box<InstalledDist>, #[source] InstalledDistError),
     #[error("Failed to read zip archive from built wheel")]
     Zip(#[from] ZipError),
-    #[error("Source distribution directory contains neither readable `pyproject.toml` nor `setup.py`: `{}`", _0.user_display())]
-    DirWithoutEntrypoint(PathBuf),
     #[error("Failed to extract archive")]
     Extract(#[from] uv_extract::Error),
     #[error("The source distribution is missing a `PKG-INFO` file")]

crates/uv-extract/src/error.rs

@@ -1,4 +1,4 @@
-use std::{ffi::OsString, path::PathBuf};
+use std::ffi::OsString;
 
 #[derive(Debug, thiserror::Error)]
 pub enum Error {
@@ -8,8 +8,6 @@ pub enum Error {
     AsyncZip(#[from] async_zip::error::ZipError),
     #[error(transparent)]
     Io(#[from] std::io::Error),
-    #[error("Unsupported archive type: {0}")]
-    UnsupportedArchive(PathBuf),
     #[error(
         "The top-level of the archive must only contain a list directory, but it contains: {0:?}"
     )]

crates/uv-install-wheel/Cargo.toml

@@ -26,7 +26,6 @@ uv-distribution-filename = { workspace = true }
 uv-fs = { workspace = true }
 uv-normalize = { workspace = true }
 uv-pep440 = { workspace = true }
-uv-platform-tags = { workspace = true }
 uv-pypi-types = { workspace = true }
 uv-shell = { workspace = true }
 uv-trampoline-builder = { workspace = true }
@@ -39,7 +38,6 @@ data-encoding = { workspace = true }
 fs-err = { workspace = true }
 mailparse = { workspace = true }
 pathdiff = { workspace = true }
-platform-info = { workspace = true }
 reflink-copy = { workspace = true }
 regex = { workspace = true }
 rustc-hash = { workspace = true }
@@ -51,7 +49,6 @@ tempfile = { workspace = true }
 thiserror = { workspace = true }
 tracing = { workspace = true }
 walkdir = { workspace = true }
-zip = { workspace = true }
 
 [target.'cfg(target_os = "windows")'.dependencies]
 same-file = { workspace = true }

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

@@ -3,14 +3,11 @@
 use std::io;
 use std::path::PathBuf;
 
-use platform_info::PlatformInfoError;
 use thiserror::Error;
-use zip::result::ZipError;
 
 use uv_fs::Simplified;
 use uv_normalize::PackageName;
 use uv_pep440::Version;
-use uv_platform_tags::{Arch, Os};
 use uv_pypi_types::Scheme;
 
 pub use install::install_wheel;
@@ -51,20 +48,10 @@ pub enum Error {
         #[source]
         err: io::Error,
     },
-    /// Tags/metadata didn't match platform
-    #[error("The wheel is incompatible with the current platform {os} {arch}")]
-    IncompatibleWheel { os: Os, arch: Arch },
     /// The wheel is broken
     #[error("The wheel is invalid: {0}")]
     InvalidWheel(String),
     /// Doesn't follow file name schema
-    #[error(transparent)]
-    InvalidWheelFileName(#[from] uv_distribution_filename::WheelFilenameError),
-    /// The caller must add the name of the zip file (See note on type).
-    #[error("Failed to read {0} from zip file")]
-    Zip(String, #[source] ZipError),
-    #[error("Failed to run Python subcommand")]
-    PythonSubcommand(#[source] io::Error),
     #[error("Failed to move data files")]
     WalkDir(#[from] walkdir::Error),
     #[error("RECORD file doesn't match wheel contents: {0}")]
@@ -79,20 +66,12 @@ pub enum Error {
     UnsupportedWindowsArch(&'static str),
     #[error("Unable to create Windows launcher on non-Windows platform")]
     NotWindows,
-    #[error("Failed to detect the current platform")]
+    #[error("Invalid `direct_url.json`")]
-    PlatformInfo(#[source] PlatformInfoError),
-    #[error("Invalid version specification, only none or == is supported")]
-    Pep440,
-    #[error("Invalid direct_url.json")]
     DirectUrlJson(#[from] serde_json::Error),
     #[error("Cannot uninstall package; `RECORD` file not found at: {}", _0.user_display())]
     MissingRecord(PathBuf),
     #[error("Cannot uninstall package; `top_level.txt` file not found at: {}", _0.user_display())]
     MissingTopLevel(PathBuf),
-    #[error("Invalid wheel size")]
-    InvalidSize,
-    #[error("Invalid package name")]
-    InvalidName(#[from] uv_normalize::InvalidNameError),
     #[error("Invalid package version")]
     InvalidVersion(#[from] uv_pep440::VersionParseError),
     #[error("Wheel package name does not match filename: {0} != {1}")]

crates/uv-tool/src/lib.rs

@@ -32,15 +32,13 @@ pub enum Error {
     #[error(transparent)]
     Io(#[from] io::Error),
     #[error("Failed to update `uv-receipt.toml` at {0}")]
-    ReceiptWrite(PathBuf, #[source] Box<toml::ser::Error>),
+    ReceiptWrite(PathBuf, #[source] Box<toml_edit::ser::Error>),
     #[error("Failed to read `uv-receipt.toml` at {0}")]
     ReceiptRead(PathBuf, #[source] Box<toml::de::Error>),
     #[error(transparent)]
     VirtualEnvError(#[from] uv_virtualenv::Error),
     #[error("Failed to read package entry points {0}")]
     EntrypointRead(#[from] uv_install_wheel::Error),
-    #[error("Failed to find dist-info directory `{0}` in environment at {1}")]
-    DistInfoMissing(String, PathBuf),
     #[error("Failed to find a directory to install executables into")]
     NoExecutableDirectory,
     #[error(transparent)]
@@ -53,8 +51,6 @@ pub enum Error {
     EnvironmentRead(PathBuf, String),
     #[error("Failed find package `{0}` in tool environment")]
     MissingToolPackage(PackageName),
-    #[error(transparent)]
-    Serialization(#[from] toml_edit::ser::Error),
 }
 
 /// A collection of uv-managed tools installed on the current system.
@@ -159,7 +155,9 @@ impl InstalledTools {
             path.user_display()
         );
 
-        let doc = tool_receipt.to_toml()?;
+        let doc = tool_receipt
+            .to_toml()
+            .map_err(|err| Error::ReceiptWrite(path.clone(), Box::new(err)))?;
 
         // Save the modified `uv-receipt.toml`.
         fs_err::write(&path, doc)?;

crates/uv-virtualenv/Cargo.toml

@@ -21,7 +21,6 @@ workspace = true
 
 [dependencies]
 uv-fs = { workspace = true }
-uv-platform-tags = { workspace = true }
 uv-pypi-types = { workspace = true }
 uv-python = { workspace = true }
 uv-shell = { workspace = true }

crates/uv-virtualenv/src/lib.rs

@@ -3,7 +3,6 @@ use std::path::Path;
 
 use thiserror::Error;
 
-use uv_platform_tags::PlatformError;
 use uv_python::{Interpreter, PythonEnvironment};
 
 mod virtualenv;
@@ -12,12 +11,6 @@ mod virtualenv;
 pub enum Error {
     #[error(transparent)]
     Io(#[from] io::Error),
-    #[error("Failed to determine Python interpreter to use")]
-    Discovery(#[from] uv_python::DiscoveryError),
-    #[error("Failed to determine Python interpreter to use")]
-    InterpreterNotFound(#[from] uv_python::PythonNotFound),
-    #[error(transparent)]
-    Platform(#[from] PlatformError),
     #[error("Could not find a suitable Python executable for the virtual environment based on the interpreter: {0}")]
     NotFound(String),
 }