Added support for Conan as a dependency manager

.gitignore

@@ -58,3 +58,5 @@ resources/.DS_Store
 
 #Common plug-ins
 plugins/UraniumExample*Plugin
+/cmake-build-debug/
+/cmake-build-release/

CMakeLists.txt

@@ -1,6 +1,6 @@
 project(uranium NONE)
 
-cmake_minimum_required(VERSION 3.6)
+cmake_minimum_required(VERSION 3.13)
 
 message(STATUS ${CMAKE_MODULE_PATH})
 
@@ -10,19 +10,28 @@ include(UraniumTranslationTools)
 
 include(GNUInstallDirs)
 
-find_package(PythonInterp 3 REQUIRED)
+if(NOT DEFINED Python_VERSION)
+    set(Python_VERSION
+            3.8
+            CACHE STRING "Python Version" FORCE)
+    message(STATUS "Setting Python version to ${Python_VERSION}. Set Python_VERSION if you want to compile against an other version.")
+endif()
+if(APPLE)
+    set(Python3_FIND_FRAMEWORK NEVER)
+endif()
+find_package(Python3 ${Python_VERSION} EXACT REQUIRED COMPONENTS Interpreter)
 
-message("Using python version ${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}")
+message("Using Python version ${Python3_VERSION}")
 
 # # Checks using pylint
 # Note that we use exit 0 here to not mark the build as a failure on check failure
 # In addition, the specified pylint configuration uses the spellchecker plugin. This required python-enchant to be installed.
 add_custom_target(check)
-add_custom_command(TARGET check POST_BUILD COMMAND "PYTHONPATH=${CMAKE_SOURCE_DIR}" ${PYTHON_EXECUTABLE} -m pylint --rcfile=${CMAKE_SOURCE_DIR}/pylint.cfg UM --msg-template=\"{path}:{line}: [{msg_id}({symbol}) , {obj}] {msg}\" > ${CMAKE_BINARY_DIR}/pylint.log || exit 0 WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
+add_custom_command(TARGET check POST_BUILD COMMAND "PYTHONPATH=${CMAKE_SOURCE_DIR}" ${Python3_EXECUTABLE} -m pylint --rcfile=${CMAKE_SOURCE_DIR}/pylint.cfg UM --msg-template=\"{path}:{line}: [{msg_id}({symbol}) , {obj}] {msg}\" > ${CMAKE_BINARY_DIR}/pylint.log || exit 0 WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
 
 # # Check using Mypy
 add_custom_target(typecheck)
-add_custom_command(TARGET typecheck POST_BUILD COMMAND ${PYTHON_EXECUTABLE} run_mypy.py WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
+add_custom_command(TARGET typecheck POST_BUILD COMMAND ${Python3_EXECUTABLE} run_mypy.py WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
 
 # # Tests
 include(UraniumTests)
@@ -49,9 +58,9 @@ CREATE_TRANSLATION_TARGETS()
 
 
 if(EXISTS /etc/debian_version)
-    install(DIRECTORY UM DESTINATION lib${LIB_SUFFIX}/python${PYTHON_VERSION_MAJOR}/dist-packages)
+    install(DIRECTORY UM DESTINATION lib${LIB_SUFFIX}/python${Python3_VERSION_MAJOR}/dist-packages)
 else()
-    install(DIRECTORY UM DESTINATION lib${LIB_SUFFIX}/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages)
+    install(DIRECTORY UM DESTINATION lib${LIB_SUFFIX}/python${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR}/site-packages)
 endif()
 install(FILES ${CMAKE_SOURCE_DIR}/cmake/UraniumTranslationTools.cmake
         DESTINATION ${CMAKE_INSTALL_DATADIR}/cmake-${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}/Modules/ )

CPackConfig.cmake

@@ -7,7 +7,7 @@ set(CPACK_PACKAGE_VERSION_PATCH 93)
 set(CPACK_GENERATOR "DEB;RPM")
 
 set(RPM_REQUIRES
-    "python3 >= 3.5.0"
+    "python3 >= ${Python3_VERSION}"
     "python3-qt5 >= 5.6.0"
     "qt5-qtquickcontrols >= 5.6.0"
     "arcus >= 15.05.90"
@@ -16,7 +16,7 @@ string(REPLACE ";" "," RPM_REQUIRES "${RPM_REQUIRES}")
 set(CPACK_RPM_PACKAGE_REQUIRES ${RPM_REQUIRES})
 
 set(DEB_DEPENDS
-    "python3 (>= 3.5.0)"
+    "python3 (>= ${Python3_VERSION})"
     "python3-pyqt5 (>= 5.6.0)"
     "python3-pyqt5.qtopengl (>= 5.6.0)"
     "python3-pyqt5.qtquick (>= 5.6.0)"

cmake/UraniumPluginInstall.cmake

@@ -1,4 +1,4 @@
-# Copyright (c) 2019 Ultimaker B.V.
+# Copyright (c) 2021 Ultimaker B.V.
 # UraniumPluginInstall.cmake is released under the terms of the LGPLv3 or higher.
 
 #
@@ -10,17 +10,13 @@
 #
 
 # FIXME: Remove the code for CMake <3.12 once we have switched over completely.
-# FindPython3 is a new module since CMake 3.12. It deprecates FindPythonInterp and FindPythonLibs. The FindPython3
-# module is copied from the CMake repository here so in CMake <3.12 we can still use it.
-if(${CMAKE_VERSION} VERSION_LESS 3.12)
-    # Use FindPythonInterp and FindPythonLibs for CMake <3.12
-    find_package(PythonInterp 3 REQUIRED)
-
-    set(Python3_EXECUTABLE ${PYTHON_EXECUTABLE})
-else()
-    # Use FindPython3 for CMake >=3.12
-    find_package(Python3 REQUIRED COMPONENTS Interpreter)
+if(NOT DEFINED Python_VERSION)
+    set(Python_VERSION
+            3.8
+            CACHE STRING "Python Version" FORCE)
+    message(STATUS "Setting Python version to ${Python_VERSION}. Set Python_VERSION if you want to compile against an other version.")
 endif()
+find_package(Python3 ${Python_VERSION} EXACT REQUIRED COMPONENTS Interpreter)
 
 # Options or configuration variables
 set(UM_NO_INSTALL_PLUGINS "" CACHE STRING "A list of plugins that should not be installed, separated with ';' or ','.")

cmake/UraniumTests.cmake

@@ -32,7 +32,7 @@ function(uranium_add_test)
 
     add_test(
         NAME ${_NAME}
-        COMMAND ${PYTHON_EXECUTABLE} -m pytest --junitxml=${CMAKE_BINARY_DIR}/junit-${_NAME}.xml ${_DIRECTORY}
+        COMMAND ${Python3_EXECUTABLE} -m pytest --junitxml=${CMAKE_BINARY_DIR}/junit-${_NAME}.xml ${_DIRECTORY}
     )
     set_tests_properties(${_NAME} PROPERTIES ENVIRONMENT LANG=C)
     set_tests_properties(${_NAME} PROPERTIES ENVIRONMENT "PYTHONPATH=${_PYTHONPATH}")
@@ -52,5 +52,5 @@ endforeach()
 #Add code style test.
 add_test(
     NAME "code-style"
-    COMMAND ${PYTHON_EXECUTABLE} run_mypy.py WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    COMMAND ${Python3_EXECUTABLE} run_mypy.py WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
 )

conanfile.py

@@ -0,0 +1,51 @@
+import os
+import pathlib
+
+from conans import ConanFile, tools
+from conan.tools.cmake import CMakeToolchain, CMakeDeps, CMake
+
+
+class UraniumConan(ConanFile):
+    name = "Uranium"
+    version = "4.12.0"
+    license = "LGPL-3.0"
+    author = "Ultimaker B.V."
+    url = "https://github.com/Ultimaker/uranium"
+    description = "A Python framework for building Desktop applications."
+    topics = ("conan", "python", "pyqt5", "qt", "3d-graphics", "3d-models", "python-framework")
+    settings = "os", "compiler", "build_type", "arch"
+    revision_mode = "scm"
+    build_policy = "missing"
+    exports = "LICENSE"
+    exports_sources = "plugins/*", "resources/*", "UM/*"
+    no_copy_source = True
+    scm = {
+        "type": "git",
+        "subfolder": ".",
+        "url": "auto",
+        "revision": "auto"
+    }
+
+    def configure(self):
+        self.options["Arcus"].shared = self.settings.os != "Windows"
+
+    def requirements(self):
+        self.requires(f"Python/3.8.10@python/testing")
+        self.requires(f"Arcus/4.11.0@ultimaker/testing")
+
+    def package(self):
+        self.copy("*", src = os.path.join(self.source_folder, "plugins"), dst = os.path.join("site-packages", "plugins"))
+        self.copy("*", src = os.path.join(self.source_folder, "resources"), dst = os.path.join("site-packages", "resources"))
+        self.copy("*", src = os.path.join(self.source_folder, "UM"), dst = os.path.join("site-packages", "UM"))
+        self.copy("*.cmake", src = os.path.join(self.package_folder, "share"), dst = "cmake", keep_path=False)
+
+    def package_info(self):
+        if self.in_local_cache:
+            self.user_info.URANIUM_CMAKE_PATH = str(os.path.join(self.package_folder, "cmake"))
+            self.runenv_info.prepend_path("PYTHONPATH", os.path.join(self.package_folder, "site-packages"))
+        else:
+            self.user_info.URANIUM_CMAKE_PATH = str(os.path.join(str(pathlib.Path(__file__).parent.absolute()), "cmake"))
+            self.runenv_info.prepend_path("PYTHONPATH",  str(pathlib.Path(__file__).parent.absolute()))
+
+    def package_id(self):
+        self.info.header_only()