Robotic python

.Rbuildignore

@@ -5,3 +5,4 @@
 ^\.editorconfig$
 ^\.git$
 ^\.github$
+^tmp$

.gitignore

@@ -65,3 +65,6 @@ _processedLockFile.lock
 R/jaspColumnEncoderVersion.R
 
 inst/include/Common
+
+# scratch space (python-interface work)
+/tmp/

configure

@@ -95,9 +95,12 @@ location of the parent directory (e.g., the default is '-I\"../inst/include/jasp
 	exit 1
 fi
 
-SRC_SOURCES="$(cd src/ && ls *.cpp | tr '\n' ' ')"
+SRC_SOURCES="$(cd src/ && { ls *.cpp 2>/dev/null; ls core/*.cpp 2>/dev/null; ls adapters/rcpp/*.cpp 2>/dev/null; } | tr '\n' ' ')"
 JASPCOMMON_SOURCES="../${COMMON_DIR}/columntype.cpp"
 
+# core/ is the R-free middle, adapters/rcpp the R binding layer (python-interface refactor)
+PKG_CXXFLAGS="${PKG_CXXFLAGS} -I\".\" -I\"core\" -I\"adapters/rcpp\""
+
 if [ "${JASP_R_INTERFACE_LIBRARY}" != "" ]; then
 	PKG_CXXFLAGS=-DJASP_R_INTERFACE_LIBRARY\ ${PKG_CXXFLAGS}
 fi

configure.win

@@ -102,9 +102,12 @@ location of the parent directory (e.g., the default is '-I\"../inst/include/jasp
 	exit 1
 fi
 
-SRC_SOURCES="$(cd src/ && ls *.cpp | tr '\n' ' ')"
+SRC_SOURCES="$(cd src/ && { ls *.cpp 2>/dev/null; ls core/*.cpp 2>/dev/null; ls adapters/rcpp/*.cpp 2>/dev/null; } | tr '\n' ' ')"
 JASPCOMMON_SOURCES="../${COMMON_DIR}/columntype.cpp"
 
+# core/ is the R-free middle, adapters/rcpp the R binding layer (python-interface refactor)
+PKG_CXXFLAGS="${PKG_CXXFLAGS} -I\".\" -I\"core\" -I\"adapters/rcpp\""
+
 if [ "${JASP_R_INTERFACE_LIBRARY}" != "" ]; then
 	PKG_CXXFLAGS=-DJASP_R_INTERFACE_LIBRARY\ ${PKG_CXXFLAGS}
 fi

python/.gitignore

@@ -0,0 +1,4 @@
+build/
+__pycache__/
+*.egg-info/
+.pytest_cache/

python/CMakeLists.txt

@@ -0,0 +1,30 @@
+cmake_minimum_required(VERSION 3.20)
+project(jaspresults_python CXX)
+
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# python/ lives in jasp-desktop/Engine/jaspBase/python
+get_filename_component(JASPBASE_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/.." ABSOLUTE)
+get_filename_component(JASP_DESKTOP_ROOT "${JASPBASE_ROOT}/../.." ABSOLUTE)
+
+set(COMMON_DIR "${JASP_DESKTOP_ROOT}/Common" CACHE PATH "location of jasp-desktop/Common")
+message(STATUS "jaspresults python: using Common at ${COMMON_DIR}")
+if(NOT EXISTS "${COMMON_DIR}/json/json_value.cpp")
+	message(FATAL_ERROR "Common/json not found at ${COMMON_DIR} — pass -DCOMMON_DIR=")
+endif()
+
+# The R-free core (shared with the R engine build of jaspBase).
+file(GLOB CORE_SOURCES CONFIGURE_DEPENDS "${JASPBASE_ROOT}/src/core/*.cpp")
+
+find_package(pybind11 CONFIG REQUIRED)
+pybind11_add_module(_jaspresults
+	${CORE_SOURCES}
+	src/_jaspresults/pyConversions.cpp
+	src/_jaspresults/pyModule.cpp)
+target_include_directories(_jaspresults PRIVATE
+	"${JASPBASE_ROOT}/src/core"
+	"${COMMON_DIR}"
+	"src/_jaspresults")
+
+install(TARGETS _jaspresults DESTINATION jaspresults)

python/pyproject.toml

@@ -0,0 +1,19 @@
+[build-system]
+requires = ["scikit-build-core>=0.10", "pybind11>=2.13"]
+build-backend = "scikit_build_core.build"
+
+[project]
+name = "jaspresults"
+version = "0.20.0"
+description = "JASP results engine driven from Python: same R-free C++ core that backs the R engine (jaspBase)."
+readme = { text = "Python interface for the jaspResults C++ core, see tmp/plan-python-interface.md in the jaspBase repo.", content-type = "text/plain" }
+requires-python = ">=3.10"
+license = { text = "GPL-2.0-or-later" }
+
+[project.optional-dependencies]
+data = ["numpy", "pandas"]
+test = ["pytest", "numpy", "pandas"]
+
+[tool.scikit-build]
+cmake.version = ">=3.20"
+wheel.packages = ["src/jaspresults"]