Create proxies for pip, wheel, etc. to get around problems with long …

…paths and spaces in paths

virtualenv.py

@@ -28,6 +28,7 @@
 import pkgutil
 import tempfile
 import textwrap
+import stat
 from distutils.util import strtobool
 from os.path import join
 
@@ -904,6 +905,30 @@ def space_path2url(p):
         logger.end_progress()
 
 
+def create_proxies(py_executable, bin_dir):
+    scripts = glob.glob(os.path.join(bin_dir, "pip*"))
+    scripts += glob.glob(os.path.join(bin_dir, "easy_install*"))
+    scripts += glob.glob(os.path.join(bin_dir, "wheel*"))
+
+    for script in scripts:
+        head, tail = os.path.split(script)
+        hidden_destination = os.path.join(head, '.' + tail)
+        os.rename(script, hidden_destination)
+        with open(script, "w") as script_proxy:
+            text = "#!/usr/bin/env sh"
+            text += "\n'%s' '%s' $@" % (
+                py_executable,
+                hidden_destination,
+            )
+            script_proxy.write(text)
+
+        os.chmod(script, os.stat(script).st_mode | stat.S_IEXEC)
+        os.chmod(
+            hidden_destination,
+            os.stat(hidden_destination).st_mode & ~stat.S_IEXEC
+        )
+
+
 def create_environment(home_dir, site_packages=False, clear=False,
                        unzip_setuptools=False,
                        prompt=None, search_dirs=None, download=False,
@@ -945,6 +970,11 @@ def create_environment(home_dir, site_packages=False, clear=False,
             download=download,
         )
 
+        create_proxies(
+            py_executable=py_executable,
+            bin_dir=bin_dir
+        )
+
     install_activate(home_dir, bin_dir, prompt)
 
     install_python_config(home_dir, bin_dir, prompt)