X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=WrapSwig.py;fp=WrapSwig.py;h=f8e02f9ad9df893052011d0f260f4c6fd00e372d;hb=73dbefbe532057ce77d9f338a4dc093cdce89898;hp=0000000000000000000000000000000000000000;hpb=694d0863f7bf1bb835a7f133032e035098979979;p=gdcm.git

diff --git a/WrapSwig.py b/WrapSwig.py
new file mode 100644
index 00000000..f8e02f9a
--- /dev/null
+++ b/WrapSwig.py
@@ -0,0 +1,106 @@
+from distutilsWrapping import *
+from types import ListType
+import os
+
+class SwigWrapper(Wrapper):
+	"""
+	This distutils command is meant to be used with MyExtension extension,which
+	defines a swig_include attribute.
+	"""
+	def WrapSources(self,distutil,extWrap,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 extWrap.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=distutil.find_swig()
+
+		## Modified lines(compared to buil_exts.wig_sources original method)
+		swig_cmd=[swig,"-python"]
+		if extWrap.swig_cpp:
+			swig_cmd.append("-c++")
+
+		if extWrap.swig_include:
+			for pth in extWrap.swig_include:
+				swig_cmd.append("-I%s"%pth)
+		## End of modification
+
+		for source in swig_sources:
+			target=swig_targets[source]
+			distutil.announce("swigging %s to %s" %(source,target))
+			distutil.spawn(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).
+			if extWrap.swig_cpp:
+				# Generate the full pathname of the shadow classes file
+				import string
+				swig_shadow=string.split(os.path.basename(source),".")[0]
+				swig_shadow=swig_shadow + '.py'
+				# On win32 swig places the shadow classes in the directory
+				# where it was invoked. This is to be opposed to posix where
+				# swig places the shadow classes aside the C++ wrapping code
+				#(the target in our context).
+				if(os.name=='posix'):
+					infile=os.path.join(os.path.dirname(source),swig_shadow)
+				else:
+					infile=swig_shadow
+				if os.path.isfile(infile):
+					outfile=[distutil.build_lib,distutil.distribution.get_name()]
+					outfile.append(swig_shadow)
+					outfile=apply(os.path.join,outfile)
+					distutil.copy_file(infile,outfile,preserve_mode=0)
+				else:
+					distutil.announce("Warning: swig shadow classes not copied")
+			## End of modification
+
+		return new_sources
+
+class SwigExtension(ExtensionWrap):
+	"""
+	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):
+		ExtensionWrap.__init__(self,SwigWrapper(),**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
+