diff -r 4ab2d8fac52b Lib/inspect.py
--- a/Lib/inspect.py	Tue Apr 15 12:01:57 2014 -0400
+++ b/Lib/inspect.py	Tue Apr 15 15:27:36 2014 -0400
@@ -929,7 +929,7 @@
         getfullargspec(func)
     if kwonlyargs or ann:
         raise ValueError("Function has keyword-only arguments or annotations"
-                         ", use getfullargspec() API which can support them")
+                         ", use inspect.signature() API which can support them")
     return ArgSpec(args, varargs, varkw, defaults)
 
 FullArgSpec = namedtuple('FullArgSpec',
@@ -948,8 +948,12 @@
     'annotations' is a dictionary mapping argument names to annotations.
 
     The first four items in the tuple correspond to getargspec().
+
+    .. deprecated:: 3.5
+        Use inspect.signature() instead of inspect.getfullargspec().
     """
-
+    warnings.warn("Use inspect.signature() instead of inspect.getfullargspec()",
+                  DeprecationWarning)
     try:
         # Re: `skip_bound_arg=False`
         #
diff -r 4ab2d8fac52b Lib/test/test_inspect.py
--- a/Lib/test/test_inspect.py	Tue Apr 15 12:01:57 2014 -0400
+++ b/Lib/test/test_inspect.py	Tue Apr 15 15:27:36 2014 -0400
@@ -580,6 +580,15 @@
                                      kwonlyargs_e=['arg'],
                                      formatted='(*, arg)')
 
+        with self.assertWarns(DeprecationWarning):
+            inspect.getfullargspec(self.assertWarns)
+
+        getfullargspec = getattr(inspect, 'getfullargspec', None)
+        if getfullargspec and sys.version_info >= (3, 7):
+            self.fail("inspect.getfullargspec() is deprecated since 3.5, "
+                      "you must to remove it in 3.7")
+
+
     def test_argspec_api_ignores_wrapped(self):
         # Issue 20684: low level introspection API must ignore __wrapped__
         @functools.wraps(mod.spam)