gdcmPython/SetupOldies/distutilsWrapping.py

   1 from distutils.command.build_ext import build_ext
   2 from distutils.core import Extension
   3 from distutils.file_util import copy_file
   4 from types import ListType
   5 import os
   6 import string
   7
   8 class build_extWrap(build_ext):
   9         """
  10         This distutils command is meant to be used with all wrapper defined for
  11         this format.
  12         To realize it,we can't have command-line parameters
  13         """
  14         def build_extension(self,ext):
  15                 # command-line arguments prevail over extension arguments
  16                 # but if no command-line argument is defined,extension argument is
  17                 # taken into account
  18                 self.__ext=ext
  19                 build_ext.build_extension(self,ext)
  20
  21                 if(os.name!='posix'):
  22                         # Copy the .lib file
  23                         fullname = self.get_ext_fullname(ext.name)
  24                         modpath = string.split(fullname, '.')
  25                         package = string.join(modpath[0:-1], '.')
  26                         base = modpath[-1]
  27                         if self.inplace:
  28                                 # ignore build-lib -- put the compiled extension into
  29                                 # the source tree along with pure Python modules
  30                                 build_py = self.get_finalized_command('build_py')
  31                                 package_dir = build_py.get_package_dir(package)
  32                                 dstLib=package_dir
  33                         else:
  34                                 dstLib=self.build_lib
  35
  36                         srcLib=os.path.join(self.build_temp,base+".lib")
  37                         dstLib=os.path.join(dstLib,package)
  38
  39                         copy_file(srcLib,dstLib)
  40
  41         def swig_sources(self,sources):
  42                 """Walk the list of source files in 'sources',looking for SWIG
  43                 interface(.i) files.  Run SWIG on all that are found,and
  44                 return a modified 'sources' list with SWIG source files replaced
  45                 by the generated C(or C++) files.
  46                 """
  47                 try:
  48                         return(self.__ext.wrapper.WrapSources(self,self.__ext,sources))
  49                 except Exception,e:
  50                         print Exception,e
  51                         self.announce("Warning: wrapping error")
  52                         return(sources)
  53
  54 class Wrapper:
  55         def WrapSources(self,distutil,extWrap,sources):
  56                 pass
  57
  58 class ExtensionWrap(Extension):
  59         """
  60         This class extends basic distutils Extension class,adding two keyword
  61         arguments :
  62                 * swig_cpp,which triggers -c++ mode when swigging
  63                 * swig_include,which specifies -I flag when swigging
  64         This class is meant to be build with mybuild_ext distutils command.
  65         """
  66         def __init__(self,wrapper=None,**args):
  67                 Extension.__init__(self,**args)
  68
  69                 self.wrapper=wrapper
  70
  71 """
  72 Example of use of these classes in distutils setup method :
  73
  74 from Transfert.tcDistUtils import mybuild_ext,MyExtension
  75 setup(name="xxx",
  76                 version="X.Y",
  77                 description="blah blah blah",
  78                 author="John Doe",
  79                 author_email="i.hate@spam.com",
  80                 url="http://www.fakeurl.com",
  81                 packages=["yyy"],
  82                 cmdclass={'build_ext':build_extWrap},# redirects default build_ext
  83                 ext_modules=[ExtensionWrap(name="src/xxx,# instance of our Extension class
  84                                                                                    sources=["src/xxx.cpp",
  85                                                                                                          "src/xxx.i"],
  86                                                                                    include_dirs=["/usr/include/python2.1",
  87                                                                                                                         "/usr/include/vtk"],
  88                                                                                    libraries=["vtkGraphics"],
  89                                                                                   )
  90                                                 ]
  91                 )
  92
  93 and then run "python setup.py build"...
  94 """