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35 # Adapted from code posted on cmake-users by Mark Moll
36 find_package(PythonInterp)
37 function(find_python_module module)
38 string(TOUPPER ${module} module_upper)
39 if(NOT PYTHONMODULE_${module_upper})
40 if(ARGC GREATER 1 AND ARGV1 STREQUAL "REQUIRED")
41 set(${module}_FIND_REQUIRED TRUE)
43 if (NOT PYTHON_EXECUTABLE)
44 message(STATUS "Cannot find python module ${module} because no python executable is known")
46 # A module's location is usually a directory, but for binary modules
48 execute_process(COMMAND "${PYTHON_EXECUTABLE}" "-c"
49 "import re, ${module}; print re.compile('/__init__.py.*').sub('',${module}.__file__)"
50 RESULT_VARIABLE _${module}_status
51 OUTPUT_VARIABLE _${module}_location
52 ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
54 if(NOT _${module}_status)
55 set(PYTHONMODULE_${module_upper} ${_${module}_location} CACHE STRING
56 "Location of Python module ${module}")
59 find_package_handle_standard_args(PYTHONMODULE_${module} DEFAULT_MSG PYTHONMODULE_${module_upper})