Cast the value to rmtree to bytes on Linux and Python 2 when the...

Cast the value to rmtree to bytes on Linux and Python 2 when the filesystemencoding is ascii, and let posixpath work its voodoo. Fixes #706.

setuptools/command/easy_install.py

@@ -46,6 +46,7 @@ from setuptools.extern.six.moves import configparser, map
 from setuptools import Command
 from setuptools.sandbox import run_setup
 from setuptools.py31compat import get_path, get_config_vars
+from setuptools.py27compat import rmtree_safe
 from setuptools.command import setopt
 from setuptools.archive_util import unpack_archive
 from setuptools.package_index import (
@@ -634,7 +635,7 @@ class easy_install(Command):
             # cast to str as workaround for #709 and #710 and #712
             yield str(tmpdir)
         finally:
-            os.path.exists(tmpdir) and rmtree(tmpdir)
+            os.path.exists(tmpdir) and rmtree(rmtree_safe(tmpdir))
 
     def easy_install(self, spec, deps=False):
         if not self.editable:

setuptools/py27compat.py

@@ -3,6 +3,7 @@ Compatibility Support for Python 2.7 and earlier
 """
 
 import sys
+import platform
 
 
 def get_all_headers(message, key):
@@ -16,3 +17,13 @@ if sys.version_info < (3,):
 
     def get_all_headers(message, key):
         return message.getheaders(key)
+
+
+linux_py2_ascii = (
+	platform.system() == 'Linux' and
+	sys.getfilesystemencoding() == 'ascii' and
+	sys.version_info < (3,)
+)
+
+rmtree_safe = str if linux_py2_ascii else lambda x: x
+"""Workaround for http://bugs.python.org/issue24672"""

setuptools/tests/test_easy_install.py

@@ -169,8 +169,6 @@ class TestEasyInstallTest:
         sdist_zip.close()
         return str(sdist)
 
-    @pytest.mark.xfail(setuptools.tests.is_ascii,
-        reason="https://github.com/pypa/setuptools/issues/706")
     def test_unicode_filename_in_sdist(self, sdist_unicode, tmpdir, monkeypatch):
         """
         The install command should execute correctly even if