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CMake: Byte-compile all .py files when building Panda
This also involves the creation a new include: Python.cmake This file will contain utility functions for building Python modules and installing Python packages.
This commit is contained in:
Sam Edwards
parent
2a2a07773b
commit
2e2a8eae98
@ -87,6 +87,7 @@ include(AddBisonTarget) # Defines add_bison_target function
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include(AddFlexTarget) # Defines add_flex_target function
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include(BuildMetalib) # Defines add_component_library AND add_metalib
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include(CompositeSources) # Defines composite_sources function
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include(Python) # Defines add_python_target AND install_python_package
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include(Interrogate) # Defines target_interrogate AND add_python_module
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include(RunPzip) # Defines run_pzip function
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include(Versioning) # Hooks 'add_library' to apply VERSION/SOVERSION
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@ -174,7 +175,5 @@ except ImportError as err:
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file(WRITE "${PROJECT_BINARY_DIR}/pandac/__init__.py" "")
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# Now install ourselves:
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install(
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FILES "${PROJECT_BINARY_DIR}/pandac/__init__.py" "${PROJECT_BINARY_DIR}/pandac/PandaModules.py"
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DESTINATION "${PYTHON_LIB_INSTALL_DIR}/pandac")
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install_python_package("${PROJECT_BINARY_DIR}/pandac" LIB)
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endif()
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@ -300,43 +300,6 @@ function(add_python_module module)
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set(ALL_INTERROGATE_MODULES "${ALL_INTERROGATE_MODULES}" CACHE INTERNAL "Internal variable")
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endfunction(add_python_module)
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#
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# Function: add_python_target(target [source1 [source2 ...]])
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# Build the provided source(s) as a Python extension module, linked against the
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# Python runtime library.
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#
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# Note that this also takes care of installation, unlike other target creation
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# commands in CMake.
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#
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function(add_python_target target)
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if(NOT HAVE_PYTHON)
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return()
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endif()
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string(REGEX REPLACE "^.*\\." "" basename "${target}")
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set(sources ${ARGN})
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add_library(${target} ${MODULE_TYPE} ${sources})
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target_link_libraries(${target} PKG::PYTHON)
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if(BUILD_SHARED_LIBS)
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set_target_properties(${target} PROPERTIES
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LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/panda3d"
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OUTPUT_NAME "${basename}"
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PREFIX ""
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SUFFIX "${PYTHON_EXTENSION_SUFFIX}")
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install(TARGETS ${target} DESTINATION "${PYTHON_ARCH_INSTALL_DIR}/panda3d")
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else()
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set_target_properties(${target} PROPERTIES
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OUTPUT_NAME "${basename}"
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PREFIX "libpython_panda3d_")
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install(TARGETS ${target} DESTINATION lib)
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endif()
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endfunction(add_python_target)
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if(INTERROGATE_PYTHON_INTERFACE AND BUILD_SHARED_LIBS)
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# We have to create an __init__.py so that Python 2.x can recognize 'panda3d'
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@ -345,5 +308,5 @@ if(INTERROGATE_PYTHON_INTERFACE AND BUILD_SHARED_LIBS)
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# The Interrogate path needs to be installed to the architecture-dependent
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# Python directory.
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install(FILES "${PROJECT_BINARY_DIR}/panda3d/__init__.py" DESTINATION "${PYTHON_ARCH_INSTALL_DIR}/panda3d")
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install_python_package("${PROJECT_BINARY_DIR}/panda3d")
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endif()
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95
cmake/macros/Python.cmake
Normal file
95
cmake/macros/Python.cmake
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@ -0,0 +1,95 @@
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# Filename: Python.cmake
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#
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# Description: This file provides support functions for building/installing
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# Python extension modules and/or pure-Python packages.
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#
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# Functions:
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# add_python_target(target [source1 [source2 ...]])
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# install_python_package(path [ARCH/LIB])
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#
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#
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# Function: add_python_target(target [source1 [source2 ...]])
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# Build the provided source(s) as a Python extension module, linked against the
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# Python runtime library.
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#
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# Note that this also takes care of installation, unlike other target creation
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# commands in CMake.
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#
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function(add_python_target target)
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if(NOT HAVE_PYTHON)
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return()
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endif()
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string(REGEX REPLACE "^.*\\." "" basename "${target}")
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set(sources ${ARGN})
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add_library(${target} ${MODULE_TYPE} ${sources})
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target_link_libraries(${target} PKG::PYTHON)
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if(BUILD_SHARED_LIBS)
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set_target_properties(${target} PROPERTIES
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LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/panda3d"
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OUTPUT_NAME "${basename}"
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PREFIX ""
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SUFFIX "${PYTHON_EXTENSION_SUFFIX}")
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install(TARGETS ${target} DESTINATION "${PYTHON_ARCH_INSTALL_DIR}/panda3d")
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else()
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set_target_properties(${target} PROPERTIES
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OUTPUT_NAME "${basename}"
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PREFIX "libpython_panda3d_")
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install(TARGETS ${target} DESTINATION lib)
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endif()
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endfunction(add_python_target)
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#
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# Function: install_python_package(path [ARCH/LIB])
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#
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# Installs the Python package which was built at `path`.
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#
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# Note that this handles more than just installation; it will also invoke
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# Python's compileall utility to pregenerate .pyc/.pyo files. This will only
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# happen if the Python interpreter is found.
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#
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# The ARCH or LIB keyword may be used to specify whether this package should be
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# installed into Python's architecture-dependent or architecture-independent
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# package path. The default, if unspecified, is LIB.
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#
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function(install_python_package path)
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if(ARGN STREQUAL "ARCH")
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set(type "ARCH")
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elseif(ARGN STREQUAL "LIB")
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set(type "LIB")
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elseif(ARGN STREQUAL "")
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set(type "LIB")
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else()
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message(FATAL_ERROR "install_python_package got unexpected argument: ${ARGN}")
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endif()
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get_filename_component(package_name "${path}" NAME)
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set(custom_target "bytecompile_${package_name}")
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file(RELATIVE_PATH relpath "${PROJECT_BINARY_DIR}" "${path}")
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if(PYTHON_EXECUTABLE)
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add_custom_target(${custom_target} ALL)
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add_custom_command(
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TARGET ${custom_target}
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WORKING_DIRECTORY "${PROJECT_BINARY_DIR}"
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COMMAND "${PYTHON_EXECUTABLE}" -m compileall -q "${relpath}")
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add_custom_command(
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TARGET ${custom_target}
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WORKING_DIRECTORY "${PROJECT_BINARY_DIR}"
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COMMAND "${PYTHON_EXECUTABLE}" -OO -m compileall -q "${relpath}")
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endif()
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set(dir ${PYTHON_${type}_INSTALL_DIR})
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if(dir)
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install(DIRECTORY "${path}" DESTINATION "${dir}"
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FILES_MATCHING REGEX "\\.py[co]?$")
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endif()
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endfunction(install_python_package)
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@ -51,8 +51,5 @@ if(HAVE_PYTHON)
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file(WRITE "${PROJECT_BINARY_DIR}/direct/__init__.py" "")
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# Install all files
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install(
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DIRECTORY "${PROJECT_BINARY_DIR}/direct"
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DESTINATION "${PYTHON_LIB_INSTALL_DIR}"
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FILES_MATCHING REGEX "\\.py[co]?$")
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install_python_package("${PROJECT_BINARY_DIR}/direct" LIB)
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endif()
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