Added python

CMakeLists.txt

@@ -7,6 +7,11 @@ include(GetGitRevisionDescription)
 include(ExternalProject)
 include(FindOpenMP)
 
+include(FindPythonLibs)
+set(NumPy_FIND_REQUIRED TRUE)
+include(${CMAKE_SOURCE_DIR}/FindNumPy.cmake)
+
+
 get_git_head_revision(HEAD GIT_VER)
 
 option(BUILD_SHARED_LIBS "Build shared libraries." OFF)
@@ -14,6 +19,12 @@ option(BUILD_STATIC_LIBS "Build static libraries." ON)
 option(ENABLE_OPENMP "Enable OpenMP support." OFF)
 option(ENABLE_SHARP "Enable SPHT support." ON)
 
+IF(BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS)
+  SET(CosmoTool_local CosmoTool_static)
+ELSE(BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS)
+  SET(CosmoTool_local CosmoTool)
+ENDIF(BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS)
+
 find_path(NETCDF_INCLUDE_PATH NAMES netcdf.h)
 find_path(NETCDFCPP_INCLUDE_PATH NAMES netcdfcpp.h netcdf)
 find_path(GSL_INCLUDE_PATH NAMES gsl/gsl_blas.h)
@@ -31,6 +42,8 @@ find_library(NETCDF_LIBRARY netcdf)
 find_library(GSL_LIBRARY gsl)
 find_library(GSLCBLAS_LIBRARY gslcblas)
 
+find_program(CYTHON cython)
+
 find_package(Boost 1.53)
 
 if (ENABLE_SHARP)
@@ -108,5 +121,6 @@ SET(CPACK_SOURCE_IGNORE_FILES
 
 add_subdirectory(src)
 add_subdirectory(sample)
+add_subdirectory(python)
 
 include(CPack)

python/CMakeLists.txt

@@ -0,0 +1,49 @@
+set(CMAKE_SHARED_MODULE_PREFIX)
+
+include_directories(${NUMPY_INCLUDE_DIRS} ${PYTHON_INCLUDE_PATH} ${CMAKE_SOURCE_DIR}/src ${CMAKE_BINARY_DIR}/src)
+
+IF(CYTHON)
+add_custom_command(
+  OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/_cosmotool.cpp
+  COMMAND ${CYTHON} --cplus -o ${CMAKE_CURRENT_BINARY_DIR}/_cosmotool.cpp ${CMAKE_CURRENT_SOURCE_DIR}/_cosmotool.pyx
+  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/_cosmotool.pyx) 
+
+ENDIF(CYTHON)
+
+
+add_library(_cosmotool MODULE ${CMAKE_CURRENT_BINARY_DIR}/_cosmotool.cpp)
+
+SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Bsymbolic-functions")
+
+target_link_libraries(_cosmotool ${CosmoTool_local} ${PYTHON_LIBRARIES} ${GSL_LIBRARIES})
+
+# Discover where to put packages
+if (NOT PYTHON_SITE_PACKAGES)
+  execute_process (COMMAND ${PYTHON_EXECUTABLE} -c "from distutils.sysconfig import get_python_lib; print get_python_lib()" OUTPUT_VARIABLE internal_PYTHON_SITE_PACKAGES OUTPUT_STRIP_TRAILING_WHITESPACE)
+  SET(SYSTEM_PYTHON_SITE_PACKAGES ${internal_PYTHON_SITE_PACKAGES} CACHE PATH "Path to the target system-wide site-package where to install python modules")
+
+  execute_process (COMMAND ${PYTHON_EXECUTABLE} -c "from site import USER_SITE; print USER_SITE" OUTPUT_VARIABLE internal_PYTHON_SITE_PACKAGES OUTPUT_STRIP_TRAILING_WHITESPACE)
+  SET(USER_PYTHON_SITE_PACKAGES ${internal_PYTHON_SITE_PACKAGES} CACHE PATH "Path to the target user site-package where to install python modules")
+
+  mark_as_advanced(USER_PYTHON_SITE_PACKAGES SYSTEM_PYTHON_SITE_PACKAGES)
+endif (NOT PYTHON_SITE_PACKAGES)
+
+OPTION(INSTALL_PYTHON_LOCAL OFF)
+
+IF (NOT INSTALL_PYTHON_LOCAL)
+  SET(PYTHON_SITE_PACKAGES ${SYSTEM_PYTHON_SITE_PACKAGES})
+ELSE (NOT INSTALL_PYTHON_LOCAL)
+  SET(PYTHON_SITE_PACKAGES ${USER_PYTHON_SITE_PACKAGES})
+ENDIF(NOT INSTALL_PYTHON_LOCAL)
+
+
+if (WIN32 AND NOT CYGWIN)
+  SET_TARGET_PROPERTIES(_cosmotool PROPERTIES SUFFIX ".pyd")
+endif (WIN32 AND NOT CYGWIN)
+
+INSTALL(TARGETS _cosmotool
+  LIBRARY DESTINATION ${PYTHON_SITE_PACKAGES}/flints
+)
+
+INSTALL(DIRECTORY cosmotool DESTINATION ${PYTHON_SITE_PACKAGES} 
+        FILES_MATCHING PATTERN "*.py")

python/_cosmotool.pyx

@@ -0,0 +1 @@
+import numpy as np

sample/CMakeLists.txt

@@ -1,4 +1,4 @@
-SET(tolink ${GSL_LIBRARIES} CosmoTool ${CosmoTool_LIBS})
+SET(tolink ${GSL_LIBRARIES} ${CosmoTool_local} ${CosmoTool_LIBS})
 include_directories(${CMAKE_SOURCE_DIR}/src)
 include_directories(${FFTW3_INCLUDE_DIRS}
 ${EIGEN3_INCLUDE_DIRS} ${NETCDF_INCLUDE_PATH} ${GSL_INCLUDE_PATH})

src/CMakeLists.txt

@@ -69,7 +69,6 @@ set(CosmoTool_LIBS ${CosmoTool_LIBS} PARENT_SCOPE)
 if (BUILD_SHARED_LIBS)
   add_library(CosmoTool SHARED ${CosmoTool_SRCS})
   target_link_libraries(CosmoTool ${CosmoTool_LIBS})
-
   if (BUILD_STATIC_LIBS)
      add_library(CosmoTool_static STATIC ${CosmoTool_SRCS})
   endif(BUILD_STATIC_LIBS)