Add buffer attribute to stdin stub

1 files changed, 7 insertions, 0 deletions

diff --git a/_pytest/capture.py b/_pytest/capture.py
index d58c72909..9f60db6ac 100644
--- a/_pytest/capture.py
+++ b/_pytest/capture.py
@@ -455,6 +455,13 @@ class DontReadFromInput:
     def close(self):
         pass
 
+    @property
+    def buffer(self):
+        if sys.version_info >= (3,0):
+            return self
+        else:
+            raise AttributeError('redirected stdin has no attribute buffer')
+
 
 def _readline_workaround():
     """