Fix RustBin setuptools install

CHANGELOG.md

@@ -4,6 +4,7 @@
 ### Changed
 - Locate cdylib artifacts by handling messages from cargo instead of searching target dir (fixes build on MSYS2). [#267](https://github.com/PyO3/setuptools-rust/pull/267)
 - Fix RustBin build without wheel. [#273](https://github.com/PyO3/setuptools-rust/pull/273)
+- Fix RustBin setuptools install. [#275](https://github.com/PyO3/setuptools-rust/pull/275)
 
 
 ## 1.4.1 (2022-07-05)

examples/hello-world/noxfile.py

@@ -10,3 +10,12 @@ def test(session: nox.Session):
     session.install(SETUPTOOLS_RUST)
     session.install("--no-build-isolation", ".")
     session.run("hello-world", *session.posargs)
+
+
+@nox.session()
+def setuptools_install(session: nox.Session):
+    session.install("setuptools")
+    with session.chdir(SETUPTOOLS_RUST):
+        session.run("python", "setup.py", "install")
+    session.run("python", "setup.py", "install")
+    session.run("hello-world", *session.posargs)

setuptools_rust/setuptools_ext.py

@@ -6,11 +6,13 @@
 
 from setuptools.command.build_ext import build_ext
 from setuptools.command.install import install
+from setuptools.command.install_lib import install_lib
+from setuptools.command.install_scripts import install_scripts
 from setuptools.command.sdist import sdist
 from setuptools.dist import Distribution
 from typing_extensions import Literal
 
-from .extension import RustExtension
+from .extension import RustBin, RustExtension
 
 try:
     from wheel.bdist_wheel import bdist_wheel
@@ -189,8 +191,60 @@ def finalize_options(self) -> None:
             # restore ext_modules
             self.distribution.ext_modules = ext_modules
 
+        def run(self) -> None:
+            install_base_class.run(self)
+            install_rustbin = False
+            if self.distribution.rust_extensions:
+                for ext in self.distribution.rust_extensions:
+                    if isinstance(ext, RustBin):
+                        install_rustbin = True
+            if install_rustbin:
+                self.run_command("install_scripts")
+
     dist.cmdclass["install"] = install_rust_extension
 
+    install_lib_base_class = cast(
+        Type[install_lib], dist.cmdclass.get("install_lib", install_lib)
+    )
+
+    # prevent RustBin from being installed to data_dir
+    class install_lib_rust_extension(install_lib_base_class):  # type: ignore[misc,valid-type]
+        def get_exclusions(self) -> Set[str]:
+            exclusions: Set[str] = install_lib_base_class.get_exclusions(self)
+            build_rust = self.get_finalized_command("build_rust")
+            scripts_path = os.path.join(
+                self.install_dir, build_rust.data_dir, "scripts"
+            )
+            if self.distribution.rust_extensions:
+                for ext in self.distribution.rust_extensions:
+                    if isinstance(ext, RustBin):
+                        exclusions.add(os.path.join(scripts_path, ext.name))
+            return exclusions
+
+    dist.cmdclass["install_lib"] = install_lib_rust_extension
+
+    install_scripts_base_class = cast(
+        Type[install_scripts], dist.cmdclass.get("install_scripts", install_scripts)
+    )
+
+    # this is required to make install_scripts compatible with RustBin
+    class install_scripts_rust_extension(install_scripts_base_class):  # type: ignore[misc,valid-type]
+        def run(self) -> None:
+            install_scripts_base_class.run(self)
+            build_ext = self.get_finalized_command("build_ext")
+            build_rust = self.get_finalized_command("build_rust")
+            scripts_path = os.path.join(
+                build_ext.build_lib, build_rust.data_dir, "scripts"
+            )
+            if os.path.isdir(scripts_path):
+                for file in os.listdir(scripts_path):
+                    script_path = os.path.join(scripts_path, file)
+                    if os.path.isfile(script_path):
+                        with open(os.path.join(script_path), "rb") as script_reader:
+                            self.write_script(file, script_reader.read(), mode="b")
+
+    dist.cmdclass["install_scripts"] = install_scripts_rust_extension
+
     if bdist_wheel is not None:
         bdist_wheel_base_class = cast(  # type: ignore[no-any-unimported]
             Type[bdist_wheel], dist.cmdclass.get("bdist_wheel", bdist_wheel)