--- /dev/null
+from distutils.command.build_ext import build_ext
+from distutils.core import Extension
+from types import ListType
+import os
+
+class mybuild_ext(build_ext):
+ """
+ This distutils command is meant to be used with MyExtension extension, which
+ defines a swig_include attribute.
+ """
+ build_ext.user_options.append(('swig-include=','S',
+ "list of directories for swig to search in" +
+ "for header files"))
+
+ def initialize_options (self):
+ build_ext.initialize_options(self)
+ self.swig_include = None
+
+ def finalize_options (self):
+ build_ext.finalize_options(self)
+ if self.swig_include!=None:
+ self.swig_include=self.swig_include.split(":")
+
+ def build_extension(self, ext):
+ # command-line arguments prevail over extension arguments
+ # but if no command-line argument is defined, extension argument is
+ # taken into account
+ if self.swig_include==None:self.swig_include=ext.swig_include
+ if self.swig_cpp==None:self.swig_cpp=ext.swig_cpp
+
+ build_ext.build_extension(self,ext)
+
+ def swig_sources (self, sources):
+
+ """Walk the list of source files in 'sources', looking for SWIG
+ interface (.i) files. Run SWIG on all that are found, and
+ return a modified 'sources' list with SWIG source files replaced
+ by the generated C (or C++) files.
+ """
+
+ new_sources = []
+ swig_sources = []
+ swig_targets = {}
+
+ # XXX this drops generated C/C++ files into the source tree, which
+ # is fine for developers who want to distribute the generated
+ # source -- but there should be an option to put SWIG output in
+ # the temp dir.
+
+ ## Modified lines (compared to buil_exts.wig_sources original method)
+ if self.swig_cpp:
+ target_ext = '_wrap.cpp'
+ else:
+ target_ext = '_wrap.c'
+ ## End of modification
+
+ for source in sources:
+ (base, ext) = os.path.splitext(source)
+ if ext == ".i": # SWIG interface file
+ new_sources.append(base + target_ext)
+ swig_sources.append(source)
+ swig_targets[source] = new_sources[-1]
+ elif ext == ".h":
+ continue
+ else:
+ new_sources.append(source)
+
+ if not swig_sources:
+ return new_sources
+
+ swig = self.find_swig()
+
+ ## Modified lines (compared to buil_exts.wig_sources original method)
+ swig_cmd = [swig, "-python"]
+ if self.swig_cpp:
+ swig_cmd.append("-c++")
+
+ if self.swig_include:
+ for pth in self.swig_include:
+ swig_cmd.append("-I%s"%pth)
+ ## End of modification
+
+ for source in swig_sources:
+ target = swig_targets[source]
+ self.announce("swigging %s to %s" % (source, target))
+ self.spawn(swig_cmd + ["-o", target, source])
+ print swig_cmd + ["-o", target, source]
+ ## Modified lines (compared to buil_exts.wig_sources original method)
+ # When swig generated some shadow classes, place them under
+ # self.build_lib (the build directory for Python source).
+ import string
+ swig_shadow = string.split(os.path.basename(source), ".")[0]
+ swig_shadow = swig_shadow + '.py'
+ infile = os.path.join(os.path.dirname(source), swig_shadow)
+ if os.path.isfile(infile):
+ outfile = [self.build_lib, self.distribution.get_name()]
+ outfile.append(swig_shadow)
+ outfile = apply(os.path.join, outfile)
+ self.copy_file(infile, outfile, preserve_mode=0)
+ ## End of modification
+
+ return new_sources
+
+class MyExtension(Extension):
+ """
+ This class extends basic distutils Extension class, adding two keyword
+ arguments :
+ * swig_cpp, which triggers -c++ mode when swigging
+ * swig_include, which specifies -I flag when swigging
+ This class is meant to be build with mybuild_ext distutils command.
+ """
+ def __init__(self,swig_include=None,swig_cpp=None,**args):
+ Extension.__init__(self,**args)
+
+ assert ((swig_include==None or type(swig_include) is ListType),
+ "swig_include must be a list of strings")
+
+ self.swig_include = swig_include or []
+ self.swig_cpp = swig_cpp
+
+"""
+Example of use of these classes in distutils setup method :
+
+from Transfert.tcDistUtils import mybuild_ext,MyExtension
+setup(name="xxx",
+ version="X.Y",
+ description="blah blah blah",
+ author="John Doe",
+ author_email="i.hate@spam.com",
+ url="http://www.fakeurl.com",
+ packages=["yyy"],
+ cmdclass={'build_ext':mybuild_ext}, # redirects default build_ext
+ ext_modules=[MyExtension(name="src/xxx, # instance of our Extension class
+ sources=["src/xxx.cpp",
+ "src/xxx.i"],
+ include_dirs=["/usr/include/python2.1",
+ "/usr/include/vtk"],
+ libraries=["vtkGraphics"],
+ swig_cpp=1, # C++ support
+ swig_include=["src"] # SWIG include dirs
+ )
+ ]
+ )
+
+and then run "python setup.py build"...
+"""
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff