Use new sysconfig module with Python 2.7 or >=3.2.

CHANGES.txt

@@ -9,6 +9,7 @@ CHANGES
 * Rename DISTRIBUTE_DISABLE_VERSIONED_EASY_INSTALL_SCRIPT environment
   variable to SETUPTOOLS_DISABLE_VERSIONED_EASY_INSTALL_SCRIPT.
 * Issue #1: Disable installation of Windows-specific files on non-Windows systems.
+* Use new sysconfig module with Python 2.7 or >=3.2.
 
 -----
 0.7.2

pkg_resources.py

@@ -245,9 +245,10 @@ def get_build_platform():
     needs some hacks for Linux and Mac OS X.
     """
     try:
-        from distutils.util import get_platform
-    except ImportError:
+        # Python 2.7 or >=3.2
         from sysconfig import get_platform
+    except ImportError:
+        from distutils.util import get_platform
 
     plat = get_platform()
     if sys.platform == "darwin" and not plat.startswith('macosx-'):

setuptools/command/bdist_egg.py

@@ -7,10 +7,14 @@ import sys, os, marshal
 from setuptools import Command
 from distutils.dir_util import remove_tree, mkpath
 try:
-    from distutils.sysconfig import get_python_version, get_python_lib
+    # Python 2.7 or >=3.2
+    from sysconfig import get_path, get_python_version
+    def _get_purelib():
+        return get_path("purelib")
 except ImportError:
-    from sysconfig import get_python_version
-    from distutils.sysconfig import get_python_lib
+    from distutils.sysconfig import get_python_lib, get_python_version
+    def _get_purelib():
+        return get_python_lib(False)
 
 from distutils import log
 from distutils.errors import DistutilsSetupError
@@ -130,7 +134,7 @@ class bdist_egg(Command):
         # Hack for packages that install data to install's --install-lib
         self.get_finalized_command('install').install_lib = self.bdist_dir
 
-        site_packages = os.path.normcase(os.path.realpath(get_python_lib()))
+        site_packages = os.path.normcase(os.path.realpath(_get_purelib()))
         old, self.distribution.data_files = self.distribution.data_files,[]
 
         for item in old:

setuptools/command/build_ext.py

@@ -9,9 +9,15 @@ import os, sys
 from distutils.file_util import copy_file
 from setuptools.extension import Library
 from distutils.ccompiler import new_compiler
-from distutils.sysconfig import customize_compiler, get_config_var
-get_config_var("LDSHARED")  # make sure _config_vars is initialized
-from distutils.sysconfig import _config_vars
+from distutils.sysconfig import customize_compiler
+try:
+    # Python 2.7 or >=3.2
+    from sysconfig import _CONFIG_VARS
+except ImportError:
+    from distutils.sysconfig import get_config_var
+    get_config_var("LDSHARED")  # make sure _config_vars is initialized
+    del get_config_var
+    from distutils.sysconfig import _config_vars as _CONFIG_VARS
 from distutils import log
 from distutils.errors import *
 
@@ -131,16 +137,16 @@ class build_ext(_build_ext):
             compiler=self.compiler, dry_run=self.dry_run, force=self.force
         )
         if sys.platform == "darwin":
-            tmp = _config_vars.copy()
+            tmp = _CONFIG_VARS.copy()
             try:
                 # XXX Help!  I don't have any idea whether these are right...
-                _config_vars['LDSHARED'] = "gcc -Wl,-x -dynamiclib -undefined dynamic_lookup"
-                _config_vars['CCSHARED'] = " -dynamiclib"
-                _config_vars['SO'] = ".dylib"
+                _CONFIG_VARS['LDSHARED'] = "gcc -Wl,-x -dynamiclib -undefined dynamic_lookup"
+                _CONFIG_VARS['CCSHARED'] = " -dynamiclib"
+                _CONFIG_VARS['SO'] = ".dylib"
                 customize_compiler(compiler)
             finally:
-                _config_vars.clear()
-                _config_vars.update(tmp)
+                _CONFIG_VARS.clear()
+                _CONFIG_VARS.update(tmp)
         else:
             customize_compiler(compiler)
 

setuptools/command/easy_install.py

@@ -25,9 +25,22 @@ import pkg_resources
 from setuptools import Command, _dont_write_bytecode
 from setuptools.sandbox import run_setup
 from distutils import log, dir_util
+try:
+    # Python 2.7 or >=3.2
+    from sysconfig import get_config_vars, get_path
+    def _get_platlib():
+        return get_path("platlib")
+    def _get_purelib():
+        return get_path("purelib")
+except ImportError:
+    from distutils.sysconfig import get_config_vars, get_python_lib
+    def _get_platlib():
+        return get_python_lib(True)
+    def _get_purelib():
+        return get_python_lib(False)
+
 from distutils.util import get_platform
 from distutils.util import convert_path, subst_vars
-from distutils.sysconfig import get_python_lib, get_config_vars
 from distutils.errors import DistutilsArgError, DistutilsOptionError, \
     DistutilsError, DistutilsPlatformError
 from distutils.command.install import INSTALL_SCHEMES, SCHEME_KEYS
@@ -1398,8 +1411,7 @@ def get_site_dirs():
                                          'Python',
                                          sys.version[:3],
                                          'site-packages'))
-    for plat_specific in (0,1):
-        site_lib = get_python_lib(plat_specific)
+    for site_lib in (_get_purelib(), _get_platlib()):
         if site_lib not in sitedirs: sitedirs.append(site_lib)
 
     if HAS_USER_SITE: