1 files changed, 34 insertions, 0 deletions
diff --git a/setuptools/command/sdist3.py b/setuptools/command/sdist3.py
new file mode 100644
index 00000000..4fbfa8db
--- /dev/null
+++ b/setuptools/command/sdist3.py
@@ -0,0 +1,34 @@
+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)