Add google-endpoints to third_party/.

third_party/google-endpoints/past/types/basestring.py

Index: third_party/google-endpoints/past/types/basestring.py
diff --git a/third_party/google-endpoints/past/types/basestring.py b/third_party/google-endpoints/past/types/basestring.py
new file mode 100644
index 0000000000000000000000000000000000000000..15437bf7c8ce44063e6297b79d0edf51e28889e5
--- /dev/null
+++ b/third_party/google-endpoints/past/types/basestring.py
@@ -0,0 +1,40 @@
+"""
+An implementation of the basestring type for Python 3
+
+Example use:
+
+>>> s = b'abc'
+>>> assert isinstance(s, basestring)
+>>> from past.types import str as oldstr
+>>> s2 = oldstr(b'abc')
+>>> assert isinstance(s2, basestring)
+
+"""
+
+import sys
+
+from past.utils import with_metaclass, PY2
+
+if PY2:
+    str = unicode
+
+ver = sys.version_info[:2]
+
+
+class BaseBaseString(type):
+    def __instancecheck__(cls, instance):
+        return isinstance(instance, (bytes, str))
+
+    def __subclasshook__(cls, thing):
+        # TODO: What should go here?
+        raise NotImplemented
+
+
+class basestring(with_metaclass(BaseBaseString)):
+    """
+    A minimal backport of the Python 2 basestring type to Py3
+    """
+
+
+__all__ = ['basestring']
+