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Lib/site-packages/virtualenv/activation/python/__init__.py

@@ -0,0 +1,35 @@
+from __future__ import absolute_import, unicode_literals
+
+import os
+import sys
+from collections import OrderedDict
+
+from virtualenv.util.path import Path
+from virtualenv.util.six import ensure_text
+
+from ..via_template import ViaTemplateActivator
+
+
+class PythonActivator(ViaTemplateActivator):
+    def templates(self):
+        yield Path("activate_this.py")
+
+    def replacements(self, creator, dest_folder):
+        replacements = super(PythonActivator, self).replacements(creator, dest_folder)
+        lib_folders = OrderedDict((os.path.relpath(str(i), str(dest_folder)), None) for i in creator.libs)
+        win_py2 = creator.interpreter.platform == "win32" and creator.interpreter.version_info.major == 2
+        replacements.update(
+            {
+                "__LIB_FOLDERS__": ensure_text(os.pathsep.join(lib_folders.keys())),
+                "__DECODE_PATH__": ("yes" if win_py2 else ""),
+            },
+        )
+        return replacements
+
+    @staticmethod
+    def _repr_unicode(creator, value):
+        py2 = creator.interpreter.version_info.major == 2
+        if py2:  # on Python 2 we need to encode this into explicit utf-8, py3 supports unicode literals
+            start = 2 if sys.version_info[0] == 3 else 1
+            value = ensure_text(repr(value.encode("utf-8"))[start:-1])
+        return value