FindPython: Add capability to specify directly artifacts

Fixes: #19492

3 files changed, 164 insertions, 0 deletions

diff --git a/Tests/FindPython/CMakeLists.txt b/Tests/FindPython/CMakeLists.txt
index 4be2f22b6b..868cfe0e13 100644
--- a/Tests/FindPython/CMakeLists.txt
+++ b/Tests/FindPython/CMakeLists.txt
@@ -121,6 +121,19 @@ if(CMake_TEST_FindPython)
     --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
     )
 
+  add_test(NAME FindPython.RequiredArtifacts COMMAND
+    ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+    --build-and-test
+    "${CMake_SOURCE_DIR}/Tests/FindPython/RequiredArtifacts"
+    "${CMake_BINARY_DIR}/Tests/FindPython/RequiredArtifacts"
+    ${build_generator_args}
+    --build-project TestRequiredArtifacts
+    --build-options ${build_options} "-Dbuild_generator_args=${build_generator_args}"
+    "-DCMake_SOURCE_DIR=${CMake_SOURCE_DIR}"
+    "-DCMake_BINARY_DIR=${CMake_BINARY_DIR}"
+    --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+    )
+
 endif()
 
 if(CMake_TEST_FindPython_NumPy)
diff --git a/Tests/FindPython/RequiredArtifacts/CMakeLists.txt b/Tests/FindPython/RequiredArtifacts/CMakeLists.txt
new file mode 100644
index 0000000000..39e8ea5626
--- /dev/null
+++ b/Tests/FindPython/RequiredArtifacts/CMakeLists.txt
@@ -0,0 +1,110 @@
+cmake_minimum_required(VERSION 3.1)
+
+project(TestRequiredArtifacts LANGUAGES C)
+
+include(CTest)
+
+find_package(Python2 REQUIRED COMPONENTS Interpreter Development)
+if (NOT Python2_FOUND)
+  message (FATAL_ERROR "Fail to found Python 2")
+endif()
+find_package(Python3 REQUIRED COMPONENTS Interpreter Development)
+if (NOT Python3_FOUND)
+  message (FATAL_ERROR "Fail to found Python 3")
+endif()
+
+
+add_test(NAME FindPython.RequiredArtifacts.Interpreter.VALID COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindPython/RequiredArtifacts/Check"
+  "${CMake_BINARY_DIR}/Tests/FindPython/RequiredArtifacts/Interpreter.VALID"
+  ${build_generator_args}
+  --build-project TestRequiredArtifacts.Check
+  --build-options -DPYTHON_IS_FOUND=TRUE -DCHECK_INTERPRETER=ON
+                  "-DPython3_EXECUTABLE=${Python3_EXECUTABLE}"
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
+add_test(NAME FindPython.RequiredArtifacts.Interpreter.INVALID COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindPython/RequiredArtifacts/Check"
+  "${CMake_BINARY_DIR}/Tests/FindPython/RequiredArtifacts/Interpreter.INVALID"
+  ${build_generator_args}
+  --build-project TestRequiredArtifacts.Check
+  --build-options -DPYTHON_IS_FOUND=FALSE -DCHECK_INTERPRETER=ON
+                  "-DPython3_EXECUTABLE=${Python3_EXECUTABLE}-bad${CMAKE_EXECUTABLE_SUFFIX}"
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
+
+add_test(NAME FindPython.RequiredArtifacts.Library.VALID COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindPython/RequiredArtifacts/Check"
+  "${CMake_BINARY_DIR}/Tests/FindPython/RequiredArtifacts/Library.VALID"
+  ${build_generator_args}
+  --build-project TestRequiredArtifacts.Check
+  --build-options -DPYTHON_IS_FOUND=TRUE -DCHECK_LIBRARY=ON
+                  "-DPython3_LIBRARY=${Python3_LIBRARY_RELEASE}"
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
+add_test(NAME FindPython.RequiredArtifacts.Library.INVALID COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindPython/RequiredArtifacts/Check"
+  "${CMake_BINARY_DIR}/Tests/FindPython/RequiredArtifacts/Library.INVALID"
+  ${build_generator_args}
+  --build-project TestRequiredArtifacts.Check
+  --build-options -DPYTHON_IS_FOUND=FALSE -DCHECK_LIBRARY=ON
+                  "-DPython3_LIBRARY=${Python2_LIBRARY_RELEASE}"
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
+
+add_test(NAME FindPython.RequiredArtifacts.Include.VALID COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindPython/RequiredArtifacts/Check"
+  "${CMake_BINARY_DIR}/Tests/FindPython/RequiredArtifacts/Include.VALID"
+  ${build_generator_args}
+  --build-project TestRequiredArtifacts.Check
+  --build-options -DPYTHON_IS_FOUND=TRUE -DCHECK_INCLUDE=ON
+                  "-DPython3_INCLUDE_DIR=${Python3_INCLUDE_DIRS}"
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
+add_test(NAME FindPython.RequiredArtifacts.Include.INVALID COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindPython/RequiredArtifacts/Check"
+  "${CMake_BINARY_DIR}/Tests/FindPython/RequiredArtifacts/Include.INVALID"
+  ${build_generator_args}
+  --build-project TestRequiredArtifacts.Check
+  --build-options -DPYTHON_IS_FOUND=FALSE -DCHECK_INCLUDE=ON
+                  "-DPython3_INCLUDE_DIR=${Python2_INCLUDE_DIRS}"
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
+
+add_test(NAME FindPython.RequiredArtifacts.Interpreter-Library.INVALID COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindPython/RequiredArtifacts/Check"
+  "${CMake_BINARY_DIR}/Tests/FindPython/RequiredArtifacts/Interpreter-Library.INVALID"
+  ${build_generator_args}
+  --build-project TestRequiredArtifacts.Check
+  --build-options -DPYTHON_IS_FOUND=FALSE -DCHECK_INTERPRETER=ON -DCHECK_LIBRARY=ON
+                  "-DPython3_EXECUTABLE=${Python3_EXECUTABLE}"
+                  "-DPython3_LIBRARY=${Python2_LIBRARY_RELEASE}"
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
+
+add_test(NAME FindPython.RequiredArtifacts.Library-Include.INVALID COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindPython/RequiredArtifacts/Check"
+  "${CMake_BINARY_DIR}/Tests/FindPython/RequiredArtifacts/Library-Include.INVALID"
+  ${build_generator_args}
+  --build-project TestRequiredArtifacts.Check
+  --build-options -DPYTHON_IS_FOUND=FALSE -DCHECK_LIBRARY=ON -DCHECK_INCLUDE=ON
+                  "-DPython3_LIBRARY=${Python3_LIBRARY_RELEASE}"
+                  "-DPython3_INCLUDE_DIR=${Python2_INCLUDE_DIRS}"
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
diff --git a/Tests/FindPython/RequiredArtifacts/Check/CMakeLists.txt b/Tests/FindPython/RequiredArtifacts/Check/CMakeLists.txt
new file mode 100644
index 0000000000..b859ac57f3
--- /dev/null
+++ b/Tests/FindPython/RequiredArtifacts/Check/CMakeLists.txt
@@ -0,0 +1,41 @@
+cmake_minimum_required(VERSION 3.1)
+
+project(TestRequiredArtifacts.Check LANGUAGES C)
+
+set (components)
+if (CHECK_INTERPRETER)
+  set (required_interpreter "${Python3_EXECUTABLE}")
+  list (APPEND components Interpreter)
+endif()
+if (CHECK_LIBRARY OR CHECK_INCLUDE)
+  list (APPEND components Development)
+  if (CHECK_LIBRARY)
+    set (required_library "${Python3_LIBRARY}")
+  endif()
+  if (CHECK_INCLUDE)
+    set (required_include "${Python3_INCLUDE_DIR}")
+  endif()
+endif()
+
+find_package (Python3 COMPONENTS ${components})
+
+
+if (PYTHON_IS_FOUND AND NOT Python3_FOUND)
+  message (FATAL_ERROR "Python3 unexpectedly not found")
+endif()
+if (NOT PYTHON_IS_FOUND AND Python3_FOUND)
+  message (FATAL_ERROR "Python3 unexpectedly found")
+endif()
+
+
+if (CHECK_INTERPRETER AND NOT Python3_EXECUTABLE STREQUAL required_interpreter)
+  message (FATAL_ERROR "Fail to use input variable Python3_EXECUTABLE")
+endif()
+
+if (CHECK_LIBRARY AND NOT Python3_LIBRARY_RELEASE STREQUAL required_library)
+  message (FATAL_ERROR "Fail to use input variable Python3_LIBRARY")
+endif()
+
+if (CHECK_INCLUDE AND NOT Python3_INCLUDE_DIRS STREQUAL required_include)
+  message (FATAL_ERROR "Fail to use input variable Python3_INCLUDE_DIR")
+endif()