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lxmldistutils.py
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lxmldistutils.py
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# Based on the version from Pyrex, cleaned up
# Added feature to allow include path option to support pxd files better
import distutils.command.build_ext
import Pyrex.Compiler.Main
from Pyrex.Compiler.Errors import PyrexError
from distutils.dep_util import newer
import os
import sys
def replace_suffix(path, new_suffix):
return os.path.splitext(path)[0] + new_suffix
class build_ext(distutils.command.build_ext.build_ext):
description = ("compile Pyrex scripts, then build C/C++ extensions "
"(compile/link to build directory)")
def finalize_options(self):
distutils.command.build_ext.build_ext.finalize_options(self)
def swig_sources(self, sources, dummy=None):
if not self.extensions:
return
pyx_sources = [source for source in sources
if source.endswith('.pyx')]
other_sources = [source for source in sources
if not source.endswith('.pyx')]
c_sources = []
for pyx in pyx_sources:
# should I raise an exception if it doesn't exist?
if os.path.exists(pyx):
source = pyx
target = replace_suffix(source, '.c')
c_sources.append(target)
if newer(source, target) or self.force:
self.pyrex_compile(source)
return c_sources + other_sources
def pyrex_compile(self, source):
options = Pyrex.Compiler.Main.CompilationOptions(
show_version=0,
use_listing_file=0,
errors_to_stderr=1,
include_path=self.get_pxd_include_paths(),
c_only=1,
obj_only=1,
output_file=None)
result = Pyrex.Compiler.Main.compile(source, options)
if result.num_errors <> 0:
sys.exit(1)
def get_pxd_include_paths(self):
"""Override this to return a list of include paths for pyrex.
"""
return []