reverting partially distutils to its 2.6.x state so 2.7a4 looks more like the 2.7b1 in this. the whole revert will occur after a4 is tagged

This commit is contained in:
Tarek Ziadé 2010-03-05 00:16:02 +00:00
parent ab5e17f896
commit dd7bef9bf5
14 changed files with 1156 additions and 1233 deletions

View file

@ -4,27 +4,21 @@ Implements the Distutils 'build_ext' command, for building extension
modules (currently limited to C extensions, should accommodate C++
extensions ASAP)."""
# This module should be kept compatible with Python 2.1.
__revision__ = "$Id$"
import sys, os, re
from warnings import warn
from distutils.util import get_platform
import sys, os, string, re
from types import *
from site import USER_BASE, USER_SITE
from distutils.core import Command
from distutils.errors import *
from distutils.ccompiler import customize_compiler
from distutils.sysconfig import customize_compiler, get_python_version
from distutils.dep_util import newer_group
from distutils.extension import Extension
from distutils.util import get_platform
from distutils import log
# this keeps compatibility from 2.3 to 2.5
if sys.version < "2.6":
USER_BASE = None
HAS_USER_SITE = False
else:
from site import USER_BASE
HAS_USER_SITE = True
if os.name == 'nt':
from distutils.msvccompiler import get_build_version
MSVC_VERSION = int(get_build_version())
@ -40,7 +34,7 @@ def show_compilers ():
show_compilers()
class build_ext(Command):
class build_ext (Command):
description = "build C/C++ extensions (compile/link to build directory)"
@ -100,55 +94,18 @@ class build_ext(Command):
"list of SWIG command line options"),
('swig=', None,
"path to the SWIG executable"),
('user', None,
"add user include, library and rpath"),
]
boolean_options = ['inplace', 'debug', 'force', 'swig-cpp']
if HAS_USER_SITE:
user_options.append(('user', None,
"add user include, library and rpath"))
boolean_options.append('user')
boolean_options = ['inplace', 'debug', 'force', 'swig-cpp', 'user']
help_options = [
('help-compiler', None,
"list available compilers", show_compilers),
]
# making 'compiler' a property to deprecate
# its usage as something else than a compiler type
# e.g. like a compiler instance
def __init__(self, dist):
self._compiler = None
Command.__init__(self, dist)
def __setattr__(self, name, value):
# need this to make sure setattr() (used in distutils)
# doesn't kill our property
if name == 'compiler':
self._set_compiler(value)
else:
self.__dict__[name] = value
def _set_compiler(self, compiler):
if not isinstance(compiler, str) and compiler is not None:
# we don't want to allow that anymore in the future
warn("'compiler' specifies the compiler type in build_ext. "
"If you want to get the compiler object itself, "
"use 'compiler_obj'", DeprecationWarning)
self._compiler = compiler
def _get_compiler(self):
if not isinstance(self._compiler, str) and self._compiler is not None:
# we don't want to allow that anymore in the future
warn("'compiler' specifies the compiler type in build_ext. "
"If you want to get the compiler object itself, "
"use 'compiler_obj'", DeprecationWarning)
return self._compiler
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
@ -172,7 +129,8 @@ class build_ext(Command):
self.user = None
def finalize_options(self):
_sysconfig = __import__('sysconfig')
from distutils import sysconfig
self.set_undefined_options('build',
('build_lib', 'build_lib'),
('build_temp', 'build_temp'),
@ -189,8 +147,8 @@ class build_ext(Command):
# Make sure Python's include directories (for Python.h, pyconfig.h,
# etc.) are in the include search path.
py_include = _sysconfig.get_path('include')
plat_py_include = _sysconfig.get_path('platinclude')
py_include = sysconfig.get_python_inc()
plat_py_include = sysconfig.get_python_inc(plat_specific=1)
if self.include_dirs is None:
self.include_dirs = self.distribution.include_dirs or []
if isinstance(self.include_dirs, str):
@ -211,13 +169,13 @@ class build_ext(Command):
self.libraries = []
if self.library_dirs is None:
self.library_dirs = []
elif isinstance(self.library_dirs, str):
self.library_dirs = self.library_dirs.split(os.pathsep)
elif type(self.library_dirs) is StringType:
self.library_dirs = string.split(self.library_dirs, os.pathsep)
if self.rpath is None:
self.rpath = []
elif isinstance(self.rpath, str):
self.rpath = self.rpath.split(os.pathsep)
elif type(self.rpath) is StringType:
self.rpath = string.split(self.rpath, os.pathsep)
# for extensions under windows use different directories
# for Release and Debug builds.
@ -268,7 +226,7 @@ class build_ext(Command):
if sys.executable.startswith(os.path.join(sys.exec_prefix, "bin")):
# building third party extensions
self.library_dirs.append(os.path.join(sys.prefix, "lib",
"python" + _sysconfig.get_python_version(),
"python" + get_python_version(),
"config"))
else:
# building python standard extensions
@ -276,13 +234,13 @@ class build_ext(Command):
# for extensions under Linux or Solaris with a shared Python library,
# Python's library directory must be appended to library_dirs
_sysconfig.get_config_var('Py_ENABLE_SHARED')
sysconfig.get_config_var('Py_ENABLE_SHARED')
if ((sys.platform.startswith('linux') or sys.platform.startswith('gnu')
or sys.platform.startswith('sunos'))
and _sysconfig.get_config_var('Py_ENABLE_SHARED')):
and sysconfig.get_config_var('Py_ENABLE_SHARED')):
if sys.executable.startswith(os.path.join(sys.exec_prefix, "bin")):
# building third party extensions
self.library_dirs.append(_sysconfig.get_config_var('LIBDIR'))
self.library_dirs.append(sysconfig.get_config_var('LIBDIR'))
else:
# building python standard extensions
self.library_dirs.append('.')
@ -294,7 +252,7 @@ class build_ext(Command):
if self.define:
defines = self.define.split(',')
self.define = [(symbol, '1') for symbol in defines]
self.define = map(lambda symbol: (symbol, '1'), 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
@ -345,50 +303,38 @@ class build_ext(Command):
# Setup the CCompiler object that we'll use to do all the
# compiling and linking
# used to prevent the usage of an existing compiler for the
# compiler option when calling new_compiler()
# this will be removed in 3.3 and 2.8
if not isinstance(self._compiler, str):
self._compiler = None
self.compiler_obj = new_compiler(compiler=self._compiler,
verbose=self.verbose,
dry_run=self.dry_run,
force=self.force)
# used to keep the compiler object reachable with
# "self.compiler". this will be removed in 3.3 and 2.8
self._compiler = self.compiler_obj
customize_compiler(self.compiler_obj)
self.compiler = new_compiler(compiler=self.compiler,
verbose=self.verbose,
dry_run=self.dry_run,
force=self.force)
customize_compiler(self.compiler)
# If we are cross-compiling, init the compiler now (if we are not
# cross-compiling, init would not hurt, but people may rely on
# late initialization of compiler even if they shouldn't...)
if os.name == 'nt' and self.plat_name != get_platform():
self.compiler_obj.initialize(self.plat_name)
self.compiler.initialize(self.plat_name)
# And make sure that any compile/link-related options (which might
# come from the command-line or from the setup script) are set in
# that CCompiler object -- that way, they automatically apply to
# all compiling and linking done here.
if self.include_dirs is not None:
self.compiler_obj.set_include_dirs(self.include_dirs)
self.compiler.set_include_dirs(self.include_dirs)
if self.define is not None:
# 'define' option is a list of (name,value) tuples
for (name, value) in self.define:
self.compiler_obj.define_macro(name, value)
self.compiler.define_macro(name, value)
if self.undef is not None:
for macro in self.undef:
self.compiler_obj.undefine_macro(macro)
self.compiler.undefine_macro(macro)
if self.libraries is not None:
self.compiler_obj.set_libraries(self.libraries)
self.compiler.set_libraries(self.libraries)
if self.library_dirs is not None:
self.compiler_obj.set_library_dirs(self.library_dirs)
self.compiler.set_library_dirs(self.library_dirs)
if self.rpath is not None:
self.compiler_obj.set_runtime_library_dirs(self.rpath)
self.compiler.set_runtime_library_dirs(self.rpath)
if self.link_objects is not None:
self.compiler_obj.set_link_objects(self.link_objects)
self.compiler.set_link_objects(self.link_objects)
# Now actually compile and link everything.
self.build_extensions()
@ -500,17 +446,11 @@ class build_ext(Command):
self.check_extensions_list(self.extensions)
for ext in self.extensions:
try:
self.build_extension(ext)
except (CCompilerError, DistutilsError, CompileError), e:
if not ext.optional:
raise
self.warn('building extension "%s" failed: %s' %
(ext.name, e))
self.build_extension(ext)
def build_extension(self, ext):
sources = ext.sources
if sources is None or not isinstance(sources, (list, tuple)):
if sources is None or type(sources) not in (ListType, TupleType):
raise DistutilsSetupError, \
("in 'ext_modules' option (extension '%s'), " +
"'sources' must be present and must be " +
@ -550,13 +490,13 @@ class build_ext(Command):
for undef in ext.undef_macros:
macros.append((undef,))
objects = self.compiler_obj.compile(sources,
output_dir=self.build_temp,
macros=macros,
include_dirs=ext.include_dirs,
debug=self.debug,
extra_postargs=extra_args,
depends=ext.depends)
objects = self.compiler.compile(sources,
output_dir=self.build_temp,
macros=macros,
include_dirs=ext.include_dirs,
debug=self.debug,
extra_postargs=extra_args,
depends=ext.depends)
# XXX -- this is a Vile HACK!
#
@ -577,9 +517,9 @@ class build_ext(Command):
extra_args = ext.extra_link_args or []
# Detect target language, if not provided
language = ext.language or self.compiler_obj.detect_language(sources)
language = ext.language or self.compiler.detect_language(sources)
self.compiler_obj.link_shared_object(
self.compiler.link_shared_object(
objects, ext_path,
libraries=self.get_libraries(ext),
library_dirs=ext.library_dirs,
@ -591,12 +531,14 @@ 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 = {}
@ -645,7 +587,9 @@ class build_ext(Command):
return new_sources
def find_swig(self):
# swig_sources ()
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.
@ -674,6 +618,8 @@ 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):
@ -682,9 +628,14 @@ class build_ext(Command):
The file is located in `build_lib` or directly in the package
(inplace option).
"""
# makes sure the extension name is only using dots
all_dots = string.maketrans('/'+os.sep, '..')
ext_name = ext_name.translate(all_dots)
fullname = self.get_ext_fullname(ext_name)
modpath = fullname.split('.')
filename = self.get_ext_filename(modpath[-1])
filename = self.get_ext_filename(ext_name)
filename = os.path.split(filename)[-1]
if not self.inplace:
# no further work needed
@ -717,18 +668,18 @@ class build_ext(Command):
of the file from which it will be loaded (eg. "foo/bar.so", or
"foo\bar.pyd").
"""
_sysconfig = __import__('sysconfig')
ext_path = ext_name.split('.')
from distutils.sysconfig import get_config_var
ext_path = string.split(ext_name, '.')
# 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 = _sysconfig.get_config_var('SO')
so_ext = get_config_var('SO')
if os.name == 'nt' and self.debug:
return os.path.join(*ext_path) + '_d' + so_ext
return apply(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
@ -739,7 +690,7 @@ class build_ext(Command):
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).
@ -751,7 +702,7 @@ class build_ext(Command):
# Append '_d' to the python import library on debug builds.
if sys.platform == "win32":
from distutils.msvccompiler import MSVCCompiler
if not isinstance(self.compiler_obj, MSVCCompiler):
if not isinstance(self.compiler, MSVCCompiler):
template = "python%d%d"
if self.debug:
template = template + '_d'
@ -783,13 +734,14 @@ class build_ext(Command):
# extensions, it is a reference to the original list
return ext.libraries + [pythonlib]
elif sys.platform[:6] == "atheos":
_sysconfig = __import__('sysconfig')
from distutils import sysconfig
template = "python%d.%d"
pythonlib = (template %
(sys.hexversion >> 24, (sys.hexversion >> 16) & 0xff))
# Get SHLIBS from Makefile
extra = []
for lib in _sysconfig.get_config_var('SHLIBS').split():
for lib in sysconfig.get_config_var('SHLIBS').split():
if lib.startswith('-l'):
extra.append(lib[2:])
else:
@ -803,11 +755,13 @@ class build_ext(Command):
return ext.libraries
else:
_sysconfig = __import__('sysconfig')
if _sysconfig.get_config_var('Py_ENABLE_SHARED'):
from distutils import sysconfig
if sysconfig.get_config_var('Py_ENABLE_SHARED'):
template = "python%d.%d"
pythonlib = (template %
(sys.hexversion >> 24, (sys.hexversion >> 16) & 0xff))
return ext.libraries + [pythonlib]
else:
return ext.libraries
# class build_ext