Merge pull request #1 from pgdr/pycmake
Added FindPythonModule (pycmake) and init cmake
This commit is contained in:
Pål Grønås Drange
GitHub
6
CMakeLists.txt
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6
CMakeLists.txt
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cmake_minimum_required( VERSION 2.8 )
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project( SUNBEAM )
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find_package( PythonInterp 2.7 REQUIRED )
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add_subdirectory( cmake )
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add_subdirectory( python )
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1
cmake/CMakeLists.txt
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1
cmake/CMakeLists.txt
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include( FindPythonModule.cmake )
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168
cmake/FindPythonModule.cmake
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168
cmake/FindPythonModule.cmake
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# Copyright (C) 2016 Statoil ASA, Norway.
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#
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# This file is part of ERT - Ensemble based Reservoir Tool.
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#
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# ERT is free software: you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation, either version 3 of the License, or (at your option) any later
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# version.
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#
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# ERT is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE.
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#
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# See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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# for more details
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# The basic assumption of this package is PEP 396 -- Module Version Numbers as
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# layed out in https://www.python.org/dev/peps/pep-0396/
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# Unfortunately, not all Python modules expose a version number, like inspect.
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# Other Python modules expose several version numbers, e.g. one for the
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# underlying software and one for the python packaging, like SQLite and PyQt.
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cmake_minimum_required (VERSION 2.8.1)
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# try import python module, if success, check its version, store as PY_module.
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# the module is imported as-is, hence the case (e.g. PyQt4) must be correct.
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#
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# if given a second argument, the accessor, we call accessor on the module
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# instead of the default __version__.
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#
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# (Yes, accessor could potentially be a function like "os.delete_everything()".)
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macro(python_module_version module)
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set(PY_VERSION_ACCESSOR "__version__")
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set(PY_module_name ${module})
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if(${PY_module_name} STREQUAL "PyQt4")
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set(PY_module_name "PyQt4.Qt")
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endif()
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if(${PY_module_name} STREQUAL "PyQt4.Qt")
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set(PY_VERSION_ACCESSOR "PYQT_VERSION_STR")
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endif()
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if(${PY_module_name} STREQUAL "serial")
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set(PY_VERSION_ACCESSOR "VERSION")
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endif()
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if(${PY_module_name} STREQUAL "sqlite")
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set(PY_VERSION_ACCESSOR "version")
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endif()
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# ARGUMENTS: module accessor
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set (extra_macro_args ${ARGN})
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list(LENGTH extra_macro_args num_extra_args)
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if (${num_extra_args} GREATER 0)
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list(GET extra_macro_args 0 accessor)
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set(PY_VERSION_ACCESSOR ${accessor})
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endif()
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execute_process(COMMAND "${PYTHON_EXECUTABLE}" "-c"
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"# set module's version to py_mv and print it
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import ${PY_module_name} as py_m
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py_mv = '0.0.0' # output if no accessor is found
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if hasattr(py_m, '${PY_VERSION_ACCESSOR}'):
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py_mv = py_m.${PY_VERSION_ACCESSOR}
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print(py_mv)
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"
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RESULT_VARIABLE _${module}_fail # error code 0 if module is importable
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OUTPUT_VARIABLE _${module}_version # module.accessor or "0.0.0" if no such
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ERROR_VARIABLE stderr_output
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(NOT _${module}_fail)
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set(PY_${module} ${_${module}_version})
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endif()
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# clean up
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unset(PY_VERSION_ACCESSOR)
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unset(PY_module_name)
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unset(extra_macro_args)
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endmacro()
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# If we find the correct module and new enough version, set PY_package, where
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# "package" is the given argument to the version we found else, display warning
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# and do not set any variables.
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macro(python_module package)
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# ARGUMENTS: package package_req module_version version_req accessor
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set (extra_macro_args ${ARGN})
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# Did we get any optional args?
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list(LENGTH extra_macro_args num_extra_args)
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if (${num_extra_args} GREATER 0)
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list(GET extra_macro_args 0 package_req)
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else()
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set(package_req "REQUIRED") # requirement not set, is required
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endif ()
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if (${num_extra_args} GREATER 1)
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list(GET extra_macro_args 1 module_version)
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else()
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set(module_version "0.0.0") # module_version not set, 0.0.0 is ok
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endif ()
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if (${num_extra_args} GREATER 2)
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list(GET extra_macro_args 2 version_req)
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else()
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set(version_req "MINIMUM") # version requirement not set, is minimum
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endif ()
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if (${num_extra_args} GREATER 3)
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list(GET extra_macro_args 3 accessor)
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endif ()
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# Setting warning/error output level
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set(PY_MSG_ERR SEND_ERROR)
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set(PY_MSG_WARN WARNING)
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if(${package_req} STREQUAL "QUIET")
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set(PY_MSG_ERR STATUS)
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set(PY_MSG_WARN STATUS)
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endif()
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# We are done expanding the optional arguments
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python_module_version(${package} ${accessor})
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# package not found in system
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if(NOT DEFINED PY_${package})
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if(${package_req} STREQUAL "OPTIONAL")
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message(${PY_MSG_WARN} "Could not find Python module " ${package})
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else()
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message(${PY_MSG_ERR} "Could not find Python module " ${package})
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endif()
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else()
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# package found in system
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if (${version_req} STREQUAL "EXACT" AND NOT ${PY_${package}} VERSION_EQUAL ${module_version})
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message(${PY_MSG_ERR} "Python module ${package} not exact. "
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"Wanted EXACT ${module_version}, found ${PY_${package}}")
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elseif (${version_req} STREQUAL "OPTIONAL" AND ${PY_${package}} VERSION_LESS ${module_version})
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message(${PY_MSG_WARN} "Python module ${package} too old. "
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"Wanted ${module_version}, found ${PY_${package}}")
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elseif (${version_req} STREQUAL "MINIMUM" AND ${PY_${package}} VERSION_LESS ${module_version})
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message(${PY_MSG_ERR} "Python module ${package} too old. "
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"Wanted MINIMUM ${module_version}, found ${PY_${package}}")
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else()
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if(NOT DEFINED accessor)
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message(STATUS "Found ${package}. "
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"${PY_${package}} >= ${module_version}")
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else()
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message(STATUS "Found ${package}. "
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"${PY_${package}} >= ${module_version} (" ${accessor} ")")
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endif()
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endif()
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endif()
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# clean up
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unset(package_req)
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unset(module_version)
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unset(version_req)
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unset(accessor)
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unset(extra_macro_args)
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set(PY_MSG_ERR)
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set(PY_MSG_WARN)
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endmacro()
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12
python/CMakeLists.txt
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12
python/CMakeLists.txt
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@@ -0,0 +1,12 @@
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# Loading pycmake macros
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python_module( ctypes )
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python_module( six )
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python_module( numpy REQUIRED 1.7 )
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python_module( inspect OPTIONAL )
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if (DEFINED PY_inspect)
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message(STATUS "We have inspect.")
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else()
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message(STATUS "We do not have inspect, ignoring ...")
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endif()
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