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91 lines
3.3 KiB
91 lines
3.3 KiB
15 years ago
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# Subclasses disutils.command.build_ext,
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# replacing it with a SIP version that compiles .sip -> .cpp
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# before calling the original build_ext command.
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# Written by Giovanni Bajo <rasky at develer dot com>
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# Based on Pyrex.Distutils, written by Graham Fawcett and Darrel Gallion.
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import distutils.command.build_ext
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from distutils.dep_util import newer, newer_group
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import os
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import sys
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def replace_suffix(path, new_suffix):
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return os.path.splitext(path)[0] + new_suffix
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class build_ext (distutils.command.build_ext.build_ext):
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description = "Compiler SIP descriptions, then build C/C++ extensions (compile/link to build directory)"
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def _get_sip_output_list(self, sbf):
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"""
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Parse the sbf file specified to extract the name of the generated source
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files. Make them absolute assuming they reside in the temp directory.
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"""
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for L in file(sbf):
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key, value = L.split("=", 1)
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if key.strip() == "sources":
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out = []
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for o in value.split():
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out.append(os.path.join(self.build_temp, o))
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return out
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raise RuntimeError, "cannot parse SIP-generated '%s'" % sbf
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def _find_sip(self):
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import sipconfig
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cfg = sipconfig.Configuration()
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return cfg.sip_bin
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def _sip_inc_dir(self):
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import sipconfig
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cfg = sipconfig.Configuration()
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return cfg.sip_inc_dir
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def swig_sources (self, sources, extension=None):
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if not self.extensions:
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return
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# Add the SIP include directory to the include path
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if extension is not None:
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extension.include_dirs.append(self._sip_inc_dir())
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depends = extension.depends
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else:
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# pre-2.4 compatibility
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self.include_dirs.append(self._sip_inc_dir())
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depends = [] # ?
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# Filter dependencies list: we are interested only in .sip files,
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# since the main .sip files can only depend on additional .sip
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# files. For instance, if a .h changes, there is no need to
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# run sip again.
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depends = [f for f in depends if os.path.splitext(f)[1] == ".sip"]
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# Create the temporary directory if it does not exist already
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if not os.path.isdir(self.build_temp):
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os.makedirs(self.build_temp)
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# Collect the names of the source (.sip) files
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sip_sources = []
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sip_sources = [source for source in sources if source.endswith('.sip')]
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other_sources = [source for source in sources if not source.endswith('.sip')]
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generated_sources = []
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sip_bin = self._find_sip()
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for sip in sip_sources:
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# Use the sbf file as dependency check
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sipbasename = os.path.basename(sip)
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sbf = os.path.join(self.build_temp, replace_suffix(sipbasename, ".sbf"))
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if newer_group([sip]+depends, sbf) or self.force:
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self._sip_compile(sip_bin, sip, sbf)
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out = self._get_sip_output_list(sbf)
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generated_sources.extend(out)
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return generated_sources + other_sources
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def _sip_compile(self, sip_bin, source, sbf):
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self.spawn([sip_bin,
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"-c", self.build_temp,
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"-b", sbf,
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source])
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