More PY3 compatibility fixes

haystack/reverse/context.py

@@ -200,6 +200,7 @@ def get_predecessors(self, record):
         predecessors_label = self.__record_graph.predecessors(hex(record.address))
         records = []
         for label in predecessors_label:
+            # FIXME, eradicate all L for PY3 migration
             if label[-1] == 'L':
                 label = label[:-1]
             record_addr = int(label, 16)
@@ -381,7 +382,7 @@ def listStructuresAddresses(self):
         return list(map(long, self._list_records().keys()))
 
     def listStructures(self):
-        return self._list_records().values()
+        return list(self._list_records().values())
 
     def is_known_address(self, address):
         return address in self._structures_addresses
@@ -459,10 +460,10 @@ def cacheLoad(cls, memory_handler, heap_addr):
         try:
             with open(context_cache, 'rb') as fin:
                 ctx = pickle.load(fin)
-        except EOFError as e:
+        except (ValueError, EOFError) as e:
             os.remove(context_cache)
             log.error('Error in the context file. File cleaned. Please restart.')
-            raise RuntimeError('Error in the context file. File cleaned. Please restart.')
+            raise IOError('Error in the context file. File cleaned. Please restart.')
         log.debug('\t[-] loaded my context from cache')
         ctx.config = config
         ctx.memory_handler = memory_handler

test/haystack/mappings/test_base.py

@@ -292,8 +292,6 @@ def test_hasRef(self):
         self.assertTrue(self.memory_handler.hasRef(int, 0xcafecafe))
         self.assertTrue(self.memory_handler.hasRef(float, 0xcafecafe))
         self.assertTrue(self.memory_handler.hasRef(str, 0xcafecafe))
-        # FIXME, where does unicode comes from ?
-        self.assertFalse(self.memory_handler.hasRef(unicode, 0xcafecafe))
         self.assertFalse(self.memory_handler.hasRef(int, 0xdeadbeef))
         me = self.memory_handler.getRefByAddr(0xcafecafe)
         # multiple refs

test/haystack/search/test_api.py

@@ -190,8 +190,7 @@ def test_refresh(self):
         self.assertEqual(validated, True)
         self.assertEqual(usual.val1, 0x0aaaaaaa)
         self.assertEqual(usual.val2, 0x0ffffff0)
-        self.assertEqual(usual.txt, 'This a string with a test this is a test '
-                                     'string')
+        self.assertEqual(usual.txt, b'This a string with a test this is a test string')
 
         # so now we got python objects
         # that is node 1