Deploy .conan-libs/ to source dir (#49)

* deploy .conan-libs/ to source dir

* wip

* debug

* wip

* use package

* use package

* use build/.conan-libs

Author: czoido

docs/configuration.md

@@ -201,7 +201,7 @@ wheel `.dist-info/licenses/` and sdist PKG-INFO.
 
 When your extension links to Conan-provided shared libraries, the backend:
 
-1. Deploys them to a `.conan-libs/` directory next to the wheel.
+1. Deploys them to a `.conan-libs/` directory in the project source root.
 2. Patches the extension RPATH so that repair tools can discover and bundle
    those libraries.
 
@@ -225,7 +225,7 @@ automatically on Linux and macOS. On Windows, add this to your `pyproject.toml`:
 ```toml
 [tool.cibuildwheel.windows]
 before-all = "pip install delvewheel"
-repair-wheel-command = 'delvewheel repair --add-path "{wheel}/../.conan-libs" -w "{dest_dir}" "{wheel}"'
+repair-wheel-command = 'delvewheel repair --add-path "{project}/build/.conan-libs" -w "{dest_dir}" "{wheel}"'
 ```
 
 The `.conan-libs/` directory is a build artifact and can be deleted after the

examples/cibw-example/pyproject.toml

@@ -43,7 +43,7 @@ repair-wheel-command = "MACOSX_DEPLOYMENT_TARGET=11.0 delocate-wheel --require-a
 # before-all installs delvewheel in the runner environment where repair-wheel-command runs.
 # before-build would install it in the per-wheel build venv, which is not on the repair PATH.
 before-all = "pip install delvewheel"
-repair-wheel-command = 'delvewheel repair --add-path "{wheel}/../.conan-libs" -w "{dest_dir}" "{wheel}"'
+repair-wheel-command = 'delvewheel repair --add-path "{project}/examples/cibw-example/build/.conan-libs" -w "{dest_dir}" "{wheel}"'
 
 # CONAN_CPYTHON_VERSION for Conan profiles that use cpython-portable (e.g. macOS x86_64)
 [[tool.cibuildwheel.overrides]]

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "conan-py-build"
-version = "0.5.0"
+version = "0.5.1"
 description = "A minimal PEP 517 compliant build backend that uses Conan to build Python C/C++ extensions"
 readme = "README.md"
 license = {text = "MIT"}

src/conan_py_build/build.py

@@ -514,7 +514,7 @@ def _do_build_wheel(
 
     user_presets_conf = "tools.cmake.cmaketoolchain:user_presets="  # empty = disable CMakeUserPresets.json
 
-    runtime_deploy_dir = (wheel_dir / ".conan-libs").resolve()
+    runtime_deploy_dir = (source_dir / "build" / ".conan-libs").resolve()
     if runtime_deploy_dir.exists():
         shutil.rmtree(runtime_deploy_dir)
     runtime_deploy_dir.mkdir(parents=True)

src/conan_py_build/wheel_deploy.py

@@ -95,7 +95,7 @@ def _set_deploy_rpath(staging_dir: Path, deploy_dir: Path) -> None:
         return
 
     print(
-        f"WARNING: Shared libraries deployed to {deploy_dir.name}/. "
+        f"WARNING: Shared libraries deployed to {deploy_dir}. "
         "This wheel is an intermediate artifact — run auditwheel repair (Linux), "
         "delocate-wheel (macOS), or delvewheel repair (Windows) before installing or distributing. "
         "Local installs may work by accident while that directory exists.",