Use bundled rust deps in RHEL builds

RHEL does not include individual Rust crate dependencies.  Also,
python-hypothesis is not available in RHEL, but the tests proceed
without it.

.gitignore

@@ -1 +1,2 @@
 /rpds_py-0.9.2.tar.gz
+/rpds_py-0.9.2-vendor.tar.xz

python-rpds-py.spec

@@ -8,14 +8,24 @@ Summary:        Python bindings to the Rust rpds crate
 # Full license breakdown in LICENSES.dependencies
 License:        MIT AND Apache-2.0 AND (MIT OR Apache-2.0) AND MPL-2.0
 URL:            https://github.com/crate-py/rpds
-Source:         %{pypi_source %{modname}}
+Source0:        %{pypi_source %{modname}}
+# To create the vendor tarball:
+#   tar xf %%{name}-%%{version}.crate ; pushd %%{name}-%%{version} ; \
+#   patch -p1 < ../bump-dependencies.patch && \
+#   cargo vendor && tar Jcvf ../%%{name}-%%{version}-vendor.tar.xz vendor/ ; pushd
+Source1:        %{modname}-%{version}-vendor.tar.xz
 
 # Bump archery and rpds dependencies to v1.0.0
 Patch:          bump-dependencies.patch
 
+%if 0%{?rhel}
+BuildRequires:  rust-toolset
+%else
 BuildRequires:  cargo-rpm-macros
+%endif
 BuildRequires:  dos2unix
 BuildRequires:  python3-devel
+BuildRequires:  python3-pytest
 
 %global _description %{expand:
 Python bindings to the Rust rpds crate.}
@@ -41,18 +51,20 @@ dos2unix README* LICENSE* *.pyi
 # The patch does not apply cleanly, we sed it out instead
 sed -i '/hypothesis/d' tests/requirements.in
 
-%cargo_prep
+%cargo_prep %{?rhel:-V 1}
 
 
 %generate_buildrequires
 %pyproject_buildrequires tests/requirements.in
+%if %{undefined rhel}
 %cargo_generate_buildrequires
+%endif
 
 
 %build
 export RUSTFLAGS='%{build_rustflags}'
-%cargo_license_summary
-%{cargo_license} > LICENSES.dependencies
+%{?cargo_license_summary}
+%{?cargo_license} > LICENSES.dependencies
 %pyproject_wheel
 
 

sources

@@ -1 +1,2 @@
 SHA512 (rpds_py-0.9.2.tar.gz) = 5a3d1b4ca27cd9b73edf7c03c8def5350949a56df0a322e317a7d3e6e31933694fe21928218ebeb51074322dcde6e4f807283e0359f8f31b0ca6b69180be3260
+SHA512 (rpds_py-0.9.2-vendor.tar.xz) = 03e411adfd845beef2ba3697dee3953351addcbd51b6b2009bca106cef32e31cc924c7cb7954fb1e3a03145093e11c579882eef850403729381aeb3842ea8b3a