Fix missing member in Cargo.toml for sdist of nested workspace layo…

…ut (#1828)

* use file_name to get bindings manifest name

* update test readme

* strip workspace root instead of using filename

* fix test and apply clippy suggestion

* Try to fix windows test failure

---------

Co-authored-by: messense <messense@icloud.com>

Cargo.toml

@@ -71,6 +71,7 @@ lddtree = "0.3.3"
 cc = "1.0.72"
 dunce = "1.0.2"
 normpath = "1.0.0"
+path-slash = "0.2.1"
 pep440_rs = { version = "0.3.6", features = ["serde"] }
 pep508_rs = { version = "0.2.1", features = ["serde"] }
 time = "0.3.17"

src/source_distribution.rs

@@ -6,6 +6,7 @@ use cargo_metadata::{Metadata, MetadataCommand};
 use fs_err as fs;
 use ignore::overrides::Override;
 use normpath::PathExt as _;
+use path_slash::PathExt as _;
 use std::collections::HashMap;
 use std::path::{Path, PathBuf};
 use std::process::Command;
@@ -456,9 +457,9 @@ fn add_cargo_package_files_to_sdist(
             let mut deps_to_keep = known_path_deps.clone();
             // Also need to the main Python binding crate
             let main_member_name = abs_manifest_dir
-                .strip_prefix(&sdist_root)
+                .strip_prefix(workspace_root)
                 .unwrap()
-                .to_str()
+                .to_slash()
                 .unwrap()
                 .to_string();
             deps_to_keep.insert(

test-crates/pyo3-mixed-workspace/README.md

@@ -0,0 +1,14 @@
+# pyo3-mixed src layout
+
+A package for testing maturin with a nested workspace.
+
+## Usage
+
+```bash
+pip install .
+```
+
+```python
+import pyo3_mixed_workspace
+assert pyo3_mixed_workspace.get_42() == 42
+```

test-crates/pyo3-mixed-workspace/check_installed/check_installed.py

@@ -0,0 +1,7 @@
+#!/usr/bin/env python3
+
+import pyo3_mixed_workspace as pyo3_mixed
+
+assert pyo3_mixed.get_42() == 42
+
+print("SUCCESS")

test-crates/pyo3-mixed-workspace/pyproject.toml

@@ -0,0 +1,19 @@
+[build-system]
+requires = ["maturin>=1.0,<2.0"]
+build-backend = "maturin"
+
+[project]
+name = "pyo3-mixed-workspace"
+classifiers = [
+    "Programming Language :: Python",
+    "Programming Language :: Rust"
+]
+requires-python = ">=3.7"
+
+[project.scripts]
+get_42 = "pyo3_mixed_workspace:get_42"
+
+[tool.maturin]
+python-packages = ["pyo3_mixed_workspace", "tests"]
+module-name = "pyo3_mixed_workspace.pyo3_mixed_workspace_py"
+manifest-path = "rust/python/pyo3-mixed-workspace-py/Cargo.toml"

test-crates/pyo3-mixed-workspace/rust/Cargo.toml

@@ -0,0 +1,6 @@
+[workspace]
+resolver = "2"
+members = [
+    "pyo3-mixed-workspace",
+    "python/pyo3-mixed-workspace-py",
+]

test-crates/pyo3-mixed-workspace/rust/pyo3-mixed-workspace/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "pyo3-mixed-workspace"
+version = "2.1.3"
+description = "Implements a dummy function combining rust and python"
+edition = "2021"
+
+[dependencies]

test-crates/pyo3-mixed-workspace/rust/pyo3-mixed-workspace/src/lib.rs

@@ -0,0 +1,3 @@
+pub fn get_21_lib() -> usize {
+    21
+}