nanobind As Test Dep

Author: Behemyth

docs/build-backend/configuration.md

@@ -68,7 +68,6 @@ List of C++ dependencies in PEP 508-style format.
 [tool.cppython]
 dependencies = [
     "fmt>=11.0.0",
-    "nanobind>=2.4.0",
     "boost>=1.84.0",
 ]
 ```
@@ -159,7 +158,6 @@ build-path = "build"
 
 dependencies = [
     "fmt>=11.0.0",
-    "nanobind>=2.4.0",
     "spdlog>=1.14.0",
 ]
 

docs/build-backend/index.md

@@ -71,7 +71,6 @@ install-path = "install"  # Where provider tools are cached
 
 dependencies = [
     "fmt>=11.0.0",
-    "nanobind>=2.4.0",
 ]
 
 [tool.cppython.generators.cmake]

examples/conan_cmake/extension/CMakeLists.txt

@@ -1,9 +1,9 @@
 cmake_minimum_required(VERSION 4.0)
 project(example_extension LANGUAGES CXX)
 
-# Find Python and nanobind (nanobind will be found via Conan toolchain)
 find_package(Python REQUIRED COMPONENTS Interpreter Development.Module)
 find_package(nanobind REQUIRED)
+
 find_package(fmt REQUIRED)
 
 # Create the Python extension module using nanobind

examples/conan_cmake/extension/pyproject.toml

@@ -7,7 +7,7 @@ authors = [{ name = "Synodic Software", email = "contact@synodic.software" }]
 requires-python = ">=3.10"
 
 [build-system]
-requires = ["cppython[conan, cmake, git]"]
+requires = ["cppython[conan, cmake, git]", "nanobind>=2.4.0"]
 build-backend = "cppython.build"
 
 [tool.scikit-build]
@@ -20,7 +20,7 @@ wheel.packages = ["src/example_extension"]
 # and inject the toolchain file into scikit-build-core
 install-path = "install"
 
-dependencies = ["fmt>=11.0.2", "nanobind>=2.4.0"]
+dependencies = ["fmt>=11.0.2"]
 
 [tool.cppython.generators.cmake]
 # Use the CMakePresets.json in this directory

pdm.lock

@@ -49,7 +49,7 @@ cppython = "cppython.test.pytest.fixtures"
 
 [dependency-groups]
 lint = ["ruff>=0.14.7", "pyrefly>=0.43.1"]
-test = ["pytest>=9.0.1", "pytest-cov>=7.0.0", "pytest-mock>=3.15.1"]
+test = ["pytest>=9.0.1", "pytest-cov>=7.0.0", "pytest-mock>=3.15.1", "nanobind>=2.4.0"]
 docs = ["zensical>=0.0.10"]
 
 [project.scripts]