From: Arfrever Frehtes Taifersar Arahesis <Arfrever@Apache.Org>
Date: Wed, 07 Nov 2012 19:08:01 +0000
Subject: Respect PYTHONDONTWRITEBYTECODE environmental variable.
X-Git-Url: http://quickgit.kde.org/?p=kdelibs.git&amp;a=commitdiff&amp;h=5a3cedacdb6485f7551090467cffb2cdf150b05a
---
Respect PYTHONDONTWRITEBYTECODE environmental variable.

BUG: 276151
REVIEW: 107228
---


--- a/cmake/modules/PythonMacros.cmake
+++ b/cmake/modules/PythonMacros.cmake
@@ -23,54 +23,56 @@
   # Install the source file.
   INSTALL(FILES ${SOURCE_FILE} DESTINATION ${DESTINATION_DIR})
 
-  # Byte compile and install the .pyc file.        
-  GET_FILENAME_COMPONENT(_absfilename ${SOURCE_FILE} ABSOLUTE)
-  GET_FILENAME_COMPONENT(_filename ${SOURCE_FILE} NAME)
-  GET_FILENAME_COMPONENT(_filenamebase ${SOURCE_FILE} NAME_WE)
-  GET_FILENAME_COMPONENT(_basepath ${SOURCE_FILE} PATH)
+  # Byte compile and install the .pyc file.
+  IF("$ENV{PYTHONDONTWRITEBYTECODE}" STREQUAL "")
+    GET_FILENAME_COMPONENT(_absfilename ${SOURCE_FILE} ABSOLUTE)
+    GET_FILENAME_COMPONENT(_filename ${SOURCE_FILE} NAME)
+    GET_FILENAME_COMPONENT(_filenamebase ${SOURCE_FILE} NAME_WE)
+    GET_FILENAME_COMPONENT(_basepath ${SOURCE_FILE} PATH)
 
-  if(WIN32)
-    string(REGEX REPLACE ".:/" "/" _basepath "${_basepath}")
-  endif(WIN32)
+    if(WIN32)
+        string(REGEX REPLACE ".:/" "/" _basepath "${_basepath}")
+    endif(WIN32)
 
-  SET(_bin_py ${CMAKE_CURRENT_BINARY_DIR}/${_basepath}/${_filename})
+    SET(_bin_py ${CMAKE_CURRENT_BINARY_DIR}/${_basepath}/${_filename})
 
-  # Python 3.2 changed the pyc file location
-  IF(PYTHON_SHORT_VERSION GREATER 3.1)
-    # To get the right version for suffix
-    STRING(REPLACE "." "" _suffix ${PYTHON_SHORT_VERSION})
-    SET(_bin_pyc ${CMAKE_CURRENT_BINARY_DIR}/${_basepath}/__pycache__/${_filenamebase}.cpython-${_suffix}.pyc)
-  ELSE(PYTHON_SHORT_VERSION GREATER 3.1)
-    SET(_bin_pyc ${CMAKE_CURRENT_BINARY_DIR}/${_basepath}/${_filenamebase}.pyc)
-  ENDIF(PYTHON_SHORT_VERSION GREATER 3.1)
+    # Python 3.2 changed the pyc file location
+    IF(PYTHON_SHORT_VERSION GREATER 3.1)
+        # To get the right version for suffix
+        STRING(REPLACE "." "" _suffix ${PYTHON_SHORT_VERSION})
+        SET(_bin_pyc ${CMAKE_CURRENT_BINARY_DIR}/${_basepath}/__pycache__/${_filenamebase}.cpython-${_suffix}.pyc)
+    ELSE(PYTHON_SHORT_VERSION GREATER 3.1)
+        SET(_bin_pyc ${CMAKE_CURRENT_BINARY_DIR}/${_basepath}/${_filenamebase}.pyc)
+    ENDIF(PYTHON_SHORT_VERSION GREATER 3.1)
 
-  FILE(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${_basepath})
+    FILE(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${_basepath})
 
-  SET(_message "Byte-compiling ${_bin_py}")
+    SET(_message "Byte-compiling ${_bin_py}")
 
-  GET_FILENAME_COMPONENT(_abs_bin_py ${_bin_py} ABSOLUTE)
-  IF(_abs_bin_py STREQUAL ${_absfilename})    # Don't copy the file onto itself.
-    ADD_CUSTOM_COMMAND(
-      TARGET compile_python_files
-      COMMAND ${CMAKE_COMMAND} -E echo ${_message}
-      COMMAND ${PYTHON_EXECUTABLE} ${_python_compile_py} ${_bin_py}
-      DEPENDS ${_absfilename}
-    )
-  ELSE(_abs_bin_py STREQUAL ${_absfilename})
-    ADD_CUSTOM_COMMAND(
-      TARGET compile_python_files
-      COMMAND ${CMAKE_COMMAND} -E echo ${_message} 
-      COMMAND ${CMAKE_COMMAND} -E copy ${_absfilename} ${_bin_py}
-      COMMAND ${PYTHON_EXECUTABLE} ${_python_compile_py} ${_bin_py}
-      DEPENDS ${_absfilename}
-    )
-  ENDIF(_abs_bin_py STREQUAL ${_absfilename})
+    GET_FILENAME_COMPONENT(_abs_bin_py ${_bin_py} ABSOLUTE)
+    IF(_abs_bin_py STREQUAL ${_absfilename})    # Don't copy the file onto itself.
+        ADD_CUSTOM_COMMAND(
+        TARGET compile_python_files
+        COMMAND ${CMAKE_COMMAND} -E echo ${_message}
+        COMMAND ${PYTHON_EXECUTABLE} ${_python_compile_py} ${_bin_py}
+        DEPENDS ${_absfilename}
+        )
+    ELSE(_abs_bin_py STREQUAL ${_absfilename})
+        ADD_CUSTOM_COMMAND(
+        TARGET compile_python_files
+        COMMAND ${CMAKE_COMMAND} -E echo ${_message} 
+        COMMAND ${CMAKE_COMMAND} -E copy ${_absfilename} ${_bin_py}
+        COMMAND ${PYTHON_EXECUTABLE} ${_python_compile_py} ${_bin_py}
+        DEPENDS ${_absfilename}
+        )
+    ENDIF(_abs_bin_py STREQUAL ${_absfilename})
 
-  IF(PYTHON_SHORT_VERSION GREATER 3.1)
-    INSTALL(FILES ${_bin_pyc} DESTINATION ${DESTINATION_DIR}/__pycache__/)
-  ELSE (PYTHON_SHORT_VERSION GREATER 3.1)
-      INSTALL(FILES ${_bin_pyc} DESTINATION ${DESTINATION_DIR})
-  ENDIF (PYTHON_SHORT_VERSION GREATER 3.1)
+    IF(PYTHON_SHORT_VERSION GREATER 3.1)
+        INSTALL(FILES ${_bin_pyc} DESTINATION ${DESTINATION_DIR}/__pycache__/)
+    ELSE (PYTHON_SHORT_VERSION GREATER 3.1)
+        INSTALL(FILES ${_bin_pyc} DESTINATION ${DESTINATION_DIR})
+    ENDIF (PYTHON_SHORT_VERSION GREATER 3.1)
+  ENDIF("$ENV{PYTHONDONTWRITEBYTECODE}" STREQUAL "")
 
 ENDMACRO(PYTHON_INSTALL)