Add sdist3 command.

--HG--
branch : distribute
extra : rebase_source : 47f2fee9a8361cabc8160df8dd30dacc67f0f42b

distribute.egg-info/entry_points.txt

 [distutils.commands]
 bdist_rpm = setuptools.command.bdist_rpm:bdist_rpm
+install_scripts = setuptools.command.install_scripts:install_scripts
 rotate = setuptools.command.rotate:rotate
 develop = setuptools.command.develop:develop
 setopt = setuptools.command.setopt:setopt
@@ -10,11 +11,11 @@ register = setuptools.command.register:register
 install_egg_info = setuptools.command.install_egg_info:install_egg_info
 alias = setuptools.command.alias:alias
 easy_install = setuptools.command.easy_install:easy_install
-install_scripts = setuptools.command.install_scripts:install_scripts
+test = setuptools.command.test:test
 bdist_wininst = setuptools.command.bdist_wininst:bdist_wininst
 bdist_egg = setuptools.command.bdist_egg:bdist_egg
 install = setuptools.command.install:install
-test = setuptools.command.test:test
+sdist3 = setuptools.command.sdist3:sdist3
 install_lib = setuptools.command.install_lib:install_lib
 build_ext = setuptools.command.build_ext:build_ext
 sdist = setuptools.command.sdist:sdist

setuptools/command/__init__.py

 __all__ = [
     'alias', 'bdist_egg', 'bdist_rpm', 'build_ext', 'build_py', 'develop',
     'easy_install', 'egg_info', 'install', 'install_lib', 'rotate', 'saveopts',
-    'sdist', 'setopt', 'test', 'upload', 'install_egg_info', 'install_scripts',
+    'sdist', 'sdist3', 'setopt', 'test', 'upload', 'install_egg_info', 'install_scripts',
     'register', 'bdist_wininst',
 ]
 

setuptools/command/sdist3.py

+from distutils import log
+from sdist import sdist
+from lib2to3.refactor import RefactoringTool, get_fixers_from_package
+
+
+class _RefactoringTool(RefactoringTool):
+    def log_error(self, msg, *args, **kw):
+        log.error(msg, *args)
+        
+    def log_message(self, msg, *args):
+        log.info(msg, *args)
+
+    def log_debug(self, msg, *args):
+        log.debug(msg, *args)
+
+
+class sdist3(sdist):
+    description = "sdist version that runs 2to3 on all sources before packaging"
+    fixer_names = None
+
+    def copy_file(self, file, dest, link=None):
+        # We ignore the link parameter, always demanding a copy, so that
+        # 2to3 won't overwrite the original file.
+        sdist.copy_file(self, file, dest)
+
+    def make_release_tree(self, base_dir, files):
+        sdist.make_release_tree(self, base_dir, files)
+
+        # run 2to3 on all files
+        fixer_names = self.fixer_names
+        if fixer_names is None:
+            fixer_names = get_fixers_from_package('lib2to3.fixes')
+        r = _RefactoringTool(fixer_names)
+        r.refactor([f for f in files if f.endswith(".py")], write=True)