Merge pull request #616 from fkrull/issue398

Fix "failed to create process" issue on Windows

1 files changed, 10 insertions, 1 deletions

diff --git a/setuptools/command/easy_install.py b/setuptools/command/easy_install.py
index 468b9be7..19f8286b 100755
--- a/setuptools/command/easy_install.py
+++ b/setuptools/command/easy_install.py
@@ -1987,8 +1987,17 @@ class CommandSpec(list):
         return self._render(self + list(self.options))
 
     @staticmethod
+    def _strip_quotes(item):
+        _QUOTES = '"\''
+        for q in _QUOTES:
+            if item.startswith(q) and item.endswith(q):
+                return item[1:-1]
+        return item
+
+    @staticmethod
     def _render(items):
-        cmdline = subprocess.list2cmdline(items)
+        cmdline = subprocess.list2cmdline(
+            CommandSpec._strip_quotes(item.strip()) for item in items)
         return '#!' + cmdline + '\n'