Bug fixes

bin/activate_this.py

@@ -0,0 +1,36 @@
+"""By using execfile(this_file, dict(__file__=this_file)) you will
+activate this virtualenv environment.
+
+This can be used when you must use an existing Python interpreter, not
+the virtualenv bin/python
+"""
+
+try:
+    __file__
+except NameError:
+    raise AssertionError(
+        "You must run this like execfile('path/to/activate_this.py', dict(__file__='path/to/activate_this.py'))"
+    )
+import os
+import site
+import sys
+
+old_os_path = os.environ.get("PATH", "")
+os.environ["PATH"] = os.path.dirname(os.path.abspath(__file__)) + os.pathsep + old_os_path
+base = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+if sys.platform == "win32":
+    site_packages = os.path.join(base, "Lib", "site-packages")
+else:
+    site_packages = os.path.join(base, "lib", "python%s" % sys.version[:3], "site-packages")
+prev_sys_path = list(sys.path)
+
+site.addsitedir(site_packages)
+sys.real_prefix = sys.prefix
+sys.prefix = base
+# Move the added items to the front of the path:
+new_sys_path = []
+for item in list(sys.path):
+    if item not in prev_sys_path:
+        new_sys_path.append(item)
+        sys.path.remove(item)
+sys.path[:0] = new_sys_path