diff -r 8685940d5cab Lib/tempfile.py
--- a/Lib/tempfile.py	Thu Jan 21 08:58:44 2016 +0100
+++ b/Lib/tempfile.py	Thu Jan 21 21:33:30 2016 +0000
@@ -736,6 +736,9 @@
     def read(self, *args):
         return self._file.read(*args)
 
+    def readable(self):
+        return self._file.readable()
+
     def readline(self, *args):
         return self._file.readline(*args)
 
@@ -745,6 +748,9 @@
     def seek(self, *args):
         self._file.seek(*args)
 
+    def seekable(self):
+        return self._file.seekable()
+
     @property
     def softspace(self):
         return self._file.softspace
@@ -766,6 +772,9 @@
         self._check(file)
         return rv
 
+    def writable(self):
+        return self._file.writable()
+
     def writelines(self, iterable):
         file = self._file
         rv = file.writelines(iterable)