From c0d267e7d81a8c1b1b706e7248a128572ee5ee4e Mon Sep 17 00:00:00 2001
From: slush <info@bitcoin.cz>
Date: Sun, 10 Mar 2013 17:52:04 +0100
Subject: [PATCH] Fixes reading of message headers

---
 bitkeylib/transport_hid.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/bitkeylib/transport_hid.py b/bitkeylib/transport_hid.py
index 561ae8669..dc77714f5 100644
--- a/bitkeylib/transport_hid.py
+++ b/bitkeylib/transport_hid.py
@@ -9,6 +9,14 @@ DEVICE_IDS = [
     (0x08f7, 0x0002), # EasyTemp
 ]
 
+class FakeRead(object):
+    # Let's pretend we have a file-like interface
+    def __init__(self, func):
+        self.func = func
+        
+    def read(self, size):
+        return self.func(size)
+    
 class HidTransport(Transport):
     def __init__(self, device, *args, **kwargs):
         self.hid = None
@@ -51,7 +59,7 @@ class HidTransport(Transport):
             msg = msg[to_send:]
             
     def _read(self):
-        (msg_type, datalen) = self._read_headers(self._raw_read)
+        (msg_type, datalen) = self._read_headers(FakeRead(self._raw_read))
         return (msg_type, self._raw_read(datalen))
                     
     def _raw_read(self, length):