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cleaned up distutils.build_ext module

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This commit is contained in:
Tarek Ziadé 2009-07-11 10:48:31 +00:00
parent 7750505d2d
commit 51c045d6b4
1 changed files with 16 additions and 26 deletions
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42
Lib/distutils/command/build_ext.py
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@ -6,8 +6,7 @@ extensions ASAP)."""
__revision__ = "$Id$"
import sys, os, string, re
from types import *
import sys, os, re
from warnings import warn
from distutils.core import Command
@ -41,7 +40,7 @@ def show_compilers ():
show_compilers()
class build_ext (Command):
class build_ext(Command):
description = "build C/C++ extensions (compile/link to build directory)"
@ -149,7 +148,7 @@ class build_ext (Command):
compiler = property(_get_compiler, _set_compiler)
def initialize_options (self):
def initialize_options(self):
self.extensions = None
self.build_lib = None
self.plat_name = None
@ -213,13 +212,13 @@ class build_ext (Command):
self.libraries = []
if self.library_dirs is None:
self.library_dirs = []
elif type(self.library_dirs) is StringType:
self.library_dirs = string.split(self.library_dirs, os.pathsep)
elif isinstance(self.library_dirs, str):
self.library_dirs = self.library_dirs.split(os.pathsep)
if self.rpath is None:
self.rpath = []
elif type(self.rpath) is StringType:
self.rpath = string.split(self.rpath, os.pathsep)
elif isinstance(self.rpath, str):
self.rpath = self.rpath.split(os.pathsep)
# for extensions under windows use different directories
# for Release and Debug builds.
@ -296,7 +295,7 @@ class build_ext (Command):
if self.define:
defines = self.define.split(',')
self.define = map(lambda symbol: (symbol, '1'), defines)
self.define = [(symbol, '1') for symbol in defines]
# The option for macros to undefine is also a string from the
# option parsing, but has to be a list. Multiple symbols can also
@ -512,7 +511,7 @@ class build_ext (Command):
def build_extension(self, ext):
sources = ext.sources
if sources is None or type(sources) not in (ListType, TupleType):
if sources is None or not isinstance(sources, (list, tuple)):
raise DistutilsSetupError, \
("in 'ext_modules' option (extension '%s'), " +
"'sources' must be present and must be " +
@ -593,14 +592,12 @@ class build_ext (Command):
target_lang=language)
def swig_sources (self, sources, extension):
def swig_sources(self, sources, extension):
"""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 = {}
@ -649,9 +646,7 @@ class build_ext (Command):
return new_sources
# swig_sources ()
def find_swig (self):
def find_swig(self):
"""Return the name of the SWIG executable. On Unix, this is
just "swig" -- it should be in the PATH. Tries a bit harder on
Windows.
@ -680,8 +675,6 @@ class build_ext (Command):
("I don't know how to find (much less run) SWIG "
"on platform '%s'") % os.name
# find_swig ()
# -- Name generators -----------------------------------------------
# (extension names, filenames, whatever)
def get_ext_fullpath(self, ext_name):
@ -726,29 +719,28 @@ class build_ext (Command):
"foo\bar.pyd").
"""
from distutils.sysconfig import get_config_var
ext_path = string.split(ext_name, '.')
ext_path = ext_name.split('.')
# OS/2 has an 8 character module (extension) limit :-(
if os.name == "os2":
ext_path[len(ext_path) - 1] = ext_path[len(ext_path) - 1][:8]
# extensions in debug_mode are named 'module_d.pyd' under windows
so_ext = get_config_var('SO')
if os.name == 'nt' and self.debug:
return apply(os.path.join, ext_path) + '_d' + so_ext
return os.path.join(*ext_path) + '_d' + so_ext
return os.path.join(*ext_path) + so_ext
def get_export_symbols (self, ext):
def get_export_symbols(self, ext):
"""Return the list of symbols that a shared extension has to
export. This either uses 'ext.export_symbols' or, if it's not
provided, "init" + module_name. Only relevant on Windows, where
the .pyd file (DLL) must export the module "init" function.
"""
initfunc_name = "init" + string.split(ext.name,'.')[-1]
initfunc_name = "init" + ext.name.split('.')[-1]
if initfunc_name not in ext.export_symbols:
ext.export_symbols.append(initfunc_name)
return ext.export_symbols
def get_libraries (self, ext):
def get_libraries(self, ext):
"""Return the list of libraries to link against when building a
shared extension. On most platforms, this is just 'ext.libraries';
on Windows and OS/2, we add the Python library (eg. python20.dll).
@ -821,5 +813,3 @@ class build_ext (Command):
return ext.libraries + [pythonlib]
else:
return ext.libraries
# class build_ext