Add 'requests' library to third_party.

third_party/requests/packages/charade/compat.py

+######################## BEGIN LICENSE BLOCK ########################
+# Contributor(s):
+#   Ian Cordasco - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+import sys
+
+
+if sys.version_info < (3, 0):
+    base_str = (str, unicode)
+else:
+    base_str = (bytes, str)
+
+
+def wrap_ord(a):
+    if sys.version_info < (3, 0) and isinstance(a, base_str):
+        return ord(a)
+    else:
+        return a