Install

.github/workflows/build.yml

@@ -26,6 +26,10 @@ jobs:
       - name: Install dependencies
         if: startsWith(matrix.os, 'macos')
         run: brew install cmake llvm@12 fmt pybind11
+      - name: Install python dependencies
+        run: |
+          python3 -m pip install --upgrade pip
+          pip3 install flake8 pytest
       - name: Configure
         run: |
           cmake -S . -B ${{ github.workspace }}/build \

.gitignore

@@ -33,3 +33,7 @@
 
 # cmake
 build/*
+
+# python
+__pycache__
+python/src/pyfprops.egg-info

CMakeLists.txt

@@ -1,9 +1,14 @@
 cmake_minimum_required(VERSION VERSION 3.16)
 
-project(fprops)
+project(
+    fprops
+    VERSION 0.1
+    LANGUAGES CXX
+)
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
+set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
 
 include(FetchContent)
 

cmake/fpropsConfig.cmake

@@ -0,0 +1,5 @@
+include(CMakeFindDependencyMacro)
+
+find_dependency(fmt REQUIRED)
+
+include("${CMAKE_CURRENT_LIST_DIR}/fpropsTargets.cmake")

python/CMakeLists.txt

@@ -1 +1,17 @@
-add_subdirectory(fprops)
+find_package(Python3 REQUIRED COMPONENTS Interpreter Development)
+find_program(PYTHON "python" REQUIRED)
+
+configure_file(setup.py.in setup.py)
+install(CODE "execute_process(COMMAND ${PYTHON} -m pip install ${CMAKE_CURRENT_BINARY_DIR})")
+
+add_subdirectory(src)
+
+if (FPROPS_BUILD_TESTS)
+    find_program(PYTEST "pytest" REQUIRED)
+    enable_testing()
+    add_test(
+        NAME pyfprops-test
+        COMMAND ${PYTEST} ${CMAKE_CURRENT_SOURCE_DIR}
+    )
+    set_tests_properties(pyfprops-test PROPERTIES ENVIRONMENT "PYTHONPATH=${CMAKE_CURRENT_BINARY_DIR}/src:$ENV{PYTHONPATH}")
+endif()

python/setup.py.in

@@ -0,0 +1,8 @@
+from setuptools import Extension, setup
+
+setup(
+    name='pyfprops',
+    version='${PROJECT_VERSION}',
+    packages=['pyfprops'],
+    package_dir={ '': '${CMAKE_CURRENT_SOURCE_DIR}/src' }
+)

python/fprops/CMakeLists.txt → python/src/CMakeLists.txt

@@ -3,7 +3,7 @@ project(pyfprops LANGUAGES CXX)
 
 find_package(pybind11 REQUIRED)
 
-pybind11_add_module(pyfprops fprops.cpp)
+pybind11_add_module(${PROJECT_NAME} fprops.cpp)
 
 target_include_directories(
     ${PROJECT_NAME}
@@ -17,3 +17,9 @@ target_link_libraries(
     PUBLIC
         fprops
 )
+
+install(
+    TARGETS ${PROJECT_NAME}
+    COMPONENT python
+    LIBRARY DESTINATION "${Python3_SITELIB}/pyfprops"
+)

python/src/pyfprops/__init__.py

@@ -0,0 +1,6 @@
+from .pyfprops import *
+
+__all__ = [
+    IdealGas,
+    Nitrogen
+]

python/tests/test_nitrogen.py

@@ -0,0 +1,14 @@
+import pyfprops as fp
+import pytest
+
+def test_n2_valid():
+    n2 = fp.Nitrogen()
+    state = n2.p_T(1e6, 280)
+    assert state.p == 1e6
+    assert state.T == 280
+    assert state.rho == 12.074993445601923
+
+def test_n2_invalid():
+    with pytest.raises(RuntimeError):
+        n2 = fp.Nitrogen()
+        state = n2.p_T(0.1e6, 60)

src/CMakeLists.txt

@@ -1,10 +1,5 @@
-project(
-    fprops
-        VERSION 0.1
-        LANGUAGES CXX
-)
-
-add_library(${PROJECT_NAME}
+add_library(
+    ${PROJECT_NAME}
     SHARED
         BrentsMethod.cpp
         FluidProperties.cpp
@@ -33,3 +28,41 @@ target_link_libraries(
     PUBLIC
         fmt::fmt
 )
+
+install(
+    TARGETS fprops
+    EXPORT fpropsTargets
+    LIBRARY DESTINATION lib
+    ARCHIVE DESTINATION lib
+    RUNTIME DESTINATION bin
+    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+    PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+)
+
+install(
+    DIRECTORY ${CMAKE_SOURCE_DIR}/include/
+    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/fprops
+    FILES_MATCHING PATTERN "*.h"
+)
+
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+    fpropsConfigVersion.cmake
+    VERSION ${PROJECT_VERSION}
+    COMPATIBILITY AnyNewerVersion
+)
+
+install(
+    EXPORT fpropsTargets
+    FILE fpropsTargets.cmake
+    NAMESPACE fprops::
+    DESTINATION lib/cmake/fprops
+)
+
+install(
+    FILES
+        "${CMAKE_SOURCE_DIR}/cmake/fpropsConfig.cmake"
+        "${CMAKE_CURRENT_BINARY_DIR}/fpropsConfigVersion.cmake"
+    DESTINATION
+        lib/cmake/${PROJECT_NAME}
+)