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Add extra-build-dependencies hint for any missing module on build failure (#15252)

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Alternative to https://github.com/astral-sh/uv/pull/15251.

As suggested in
https://github.com/astral-sh/uv/issues/15118#issuecomment-3175735416

## Test Plan

`cargo test`

---------

Co-authored-by: Charlie Marsh <charlie.r.marsh@gmail.com>
This commit is contained in:
Ahmed Ilyas 2025-08-14 19:00:57 +02:00 • committed by GitHub
parent 4bc6c77f02
commit e7b55fefbf
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10 changed files with 1687 additions and 40 deletions
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110
crates/uv-build-frontend/src/error.rs
View file

@ -46,9 +46,10 @@ static LD_NOT_FOUND_RE: LazyLock<Regex> = LazyLock::new(|| {
static WHEEL_NOT_FOUND_RE: LazyLock<Regex> =
LazyLock::new(|| Regex::new(r"error: invalid command 'bdist_wheel'").unwrap());
/// e.g. `ModuleNotFoundError: No module named 'torch'`
static TORCH_NOT_FOUND_RE: LazyLock<Regex> =
LazyLock::new(|| Regex::new(r"ModuleNotFoundError: No module named 'torch'").unwrap());
/// e.g. `ModuleNotFoundError`
static MODULE_NOT_FOUND: LazyLock<Regex> = LazyLock::new(|| {
Regex::new("ModuleNotFoundError: No module named ['\"]([^'\"]+)['\"]").unwrap()
});
/// e.g. `ModuleNotFoundError: No module named 'distutils'`
static DISTUTILS_NOT_FOUND_RE: LazyLock<Regex> =
@ -130,6 +131,59 @@ pub struct MissingHeaderCause {
version_id: Option<String>,
}
/// Extract the package name from a version specifier string.
/// Uses PEP 508 naming rules but more lenient for hinting purposes.
fn extract_package_name(version_id: &str) -> &str {
// https://peps.python.org/pep-0508/#names
// ^([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])$ with re.IGNORECASE
// Since we're only using this for a hint, we're more lenient than what we would be doing if this was used for parsing
let end = version_id
.char_indices()
.take_while(|(_, char)| matches!(char, 'A'..='Z' | 'a'..='z' | '0'..='9' | '.' | '-' | '_'))
.last()
.map_or(0, |(i, c)| i + c.len_utf8());
if end == 0 {
version_id
} else {
&version_id[..end]
}
}
/// Write a hint about missing build dependencies.
fn hint_build_dependency(
f: &mut std::fmt::Formatter<'_>,
display_name: &str,
package_name: &str,
package: &str,
) -> std::fmt::Result {
let table_key = if package_name.contains('.') {
format!("\"{package_name}\"")
} else {
package_name.to_string()
};
write!(
f,
"This error likely indicates that `{}` depends on `{}`, but doesn't declare it as a build dependency. \
If `{}` is a first-party package, consider adding `{}` to its `{}`. \
Otherwise, either add it to your `pyproject.toml` under:\n\
\n\
[tool.uv.extra-build-dependencies]\n\
{} = [\"{}\"]\n\
\n\
or `{}` into the environment and re-run with `{}`.",
display_name.cyan(),
package.cyan(),
package_name.cyan(),
package.cyan(),
"build-system.requires".green(),
table_key.cyan(),
package.cyan(),
format!("uv pip install {package}").green(),
"--no-build-isolation".green(),
)
}
impl Display for MissingHeaderCause {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
match &self.missing_library {
@ -190,29 +244,15 @@ impl Display for MissingHeaderCause {
if let (Some(package_name), Some(package_version)) =
(&self.package_name, &self.package_version)
{
write!(
hint_build_dependency(
f,
"This error likely indicates that `{}` depends on `{}`, but doesn't declare it as a build dependency. If `{}` is a first-party package, consider adding `{}` to its `{}`. Otherwise, `{}` into the environment and re-run with `{}`.",
format!("{package_name}@{package_version}").cyan(),
package.cyan(),
package_name.cyan(),
package.cyan(),
"build-system.requires".green(),
format!("uv pip install {package}").green(),
"--no-build-isolation".green(),
&format!("{package_name}@{package_version}"),
package_name.as_str(),
package,
)
} else if let Some(version_id) = &self.version_id {
write!(
f,
"This error likely indicates that `{}` depends on `{}`, but doesn't declare it as a build dependency. If `{}` is a first-party package, consider adding `{}` to its `{}`. Otherwise, `{}` into the environment and re-run with `{}`.",
version_id.cyan(),
package.cyan(),
version_id.cyan(),
package.cyan(),
"build-system.requires".green(),
format!("uv pip install {package}").green(),
"--no-build-isolation".green(),
)
let package_name = extract_package_name(version_id);
hint_build_dependency(f, package_name, package_name, package)
} else {
write!(
f,
@ -347,13 +387,22 @@ impl Error {
Some(MissingLibrary::Linker(library.to_string()))
} else if WHEEL_NOT_FOUND_RE.is_match(line.trim()) {
Some(MissingLibrary::BuildDependency("wheel".to_string()))
} else if TORCH_NOT_FOUND_RE.is_match(line.trim()) {
Some(MissingLibrary::BuildDependency("torch".to_string()))
} else if DISTUTILS_NOT_FOUND_RE.is_match(line.trim()) {
Some(MissingLibrary::DeprecatedModule(
"distutils".to_string(),
Version::new([3, 12]),
))
} else if let Some(caps) = MODULE_NOT_FOUND.captures(line.trim()) {
if let Some(module_match) = caps.get(1) {
let module_name = module_match.as_str();
let package_name = match crate::pipreqs::MODULE_MAPPING.lookup(module_name) {
Some(package) => package.to_string(),
None => module_name.to_string(),
};
Some(MissingLibrary::BuildDependency(package_name))
} else {
None
}
} else {
None
}
@ -565,7 +614,7 @@ mod test {
.to_string()
.replace("exit status: ", "exit code: ");
let formatted = anstream::adapter::strip_str(&formatted);
insta::assert_snapshot!(formatted, @r###"
insta::assert_snapshot!(formatted, @r#"
Failed building wheel through setup.py (exit code: 0)
[stderr]
@ -576,8 +625,13 @@ mod test {
error: invalid command 'bdist_wheel'
hint: This error likely indicates that `pygraphviz-1.11` depends on `wheel`, but doesn't declare it as a build dependency. If `pygraphviz-1.11` is a first-party package, consider adding `wheel` to its `build-system.requires`. Otherwise, `uv pip install wheel` into the environment and re-run with `--no-build-isolation`.
"###);
hint: This error likely indicates that `pygraphviz-1.11` depends on `wheel`, but doesn't declare it as a build dependency. If `pygraphviz-1.11` is a first-party package, consider adding `wheel` to its `build-system.requires`. Otherwise, either add it to your `pyproject.toml` under:
[tool.uv.extra-build-dependencies]
"pygraphviz-1.11" = ["wheel"]
or `uv pip install wheel` into the environment and re-run with `--no-build-isolation`.
"#);
}
#[test]

1
crates/uv-build-frontend/src/lib.rs
View file

@ -3,6 +3,7 @@
//! <https://packaging.python.org/en/latest/specifications/source-distribution-format/>
mod error;
mod pipreqs;
use std::borrow::Cow;
use std::ffi::OsString;

32
crates/uv-build-frontend/src/pipreqs.rs Normal file
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@ -0,0 +1,32 @@
use std::str::FromStr;
use std::sync::LazyLock;
use rustc_hash::FxHashMap;
use uv_normalize::PackageName;
/// A mapping from module name to PyPI package name.
pub(crate) struct ModuleMap<'a>(FxHashMap<&'a str, PackageName>);
impl<'a> ModuleMap<'a> {
/// Generate a [`ModuleMap`] from a string representation, encoded in `${module}:{package}` format.
fn from_str(source: &'a str) -> Self {
let mut mapping = FxHashMap::default();
for line in source.lines() {
if let Some((module, package)) = line.split_once(':') {
let module = module.trim();
let package = PackageName::from_str(package.trim()).unwrap();
mapping.insert(module, package);
}
}
Self(mapping)
}
/// Look up a PyPI package name for a given module name.
pub(crate) fn lookup(&self, module: &str) -> Option<&PackageName> {
self.0.get(module)
}
}
/// A mapping from module name to PyPI package name.
pub(crate) static MODULE_MAPPING: LazyLock<ModuleMap> =
LazyLock::new(|| ModuleMap::from_str(include_str!("pipreqs/mapping")));

201
crates/uv-build-frontend/src/pipreqs/LICENSE Normal file
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@ -0,0 +1,201 @@
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crates/uv-build-frontend/src/pipreqs/mapping Normal file
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