X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Fremote_test.py;h=8b3def2b8c634493bf487ed656d10dc62b90f2c9;hb=7c0eb56f4;hp=e90ccb24f830c82713312f9ab276b6271b2044f6;hpb=f70cead5eb928954908de48300cc7a9c88430c0f;p=vpp.git

diff --git a/test/remote_test.py b/test/remote_test.py
index e90ccb24f83..8b3def2b8c6 100644
--- a/test/remote_test.py
+++ b/test/remote_test.py
@@ -1,16 +1,19 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import inspect
 import os
 import unittest
+from framework import VppTestCase
 from multiprocessing import Process, Pipe
 from pickle import dumps
-
 import six
 from six import moves
+import sys
 
-from framework import VppTestCase
-from enum import Enum
+if sys.version_info < (3,):
+    from aenum import IntEnum, IntFlag
+else:
+    from enum import IntEnum, IntFlag
 
 
 class SerializableClassCopy(object):
@@ -19,6 +22,9 @@ class SerializableClassCopy(object):
     """
     pass
 
+    def __repr__(self):
+        return '<SerializableClassCopy dict=%s>' % self.__dict__
+
 
 class RemoteClassAttr(object):
     """
@@ -43,21 +49,24 @@ class RemoteClassAttr(object):
 
     def __getattr__(self, attr):
         if attr[0] == '_':
-            raise AttributeError
+            if not (attr.startswith('__') and attr.endswith('__')):
+                raise AttributeError('tried to get private attribute: %s ',
+                                     attr)
         self._path.append(attr)
         return self
 
     def __setattr__(self, attr, val):
         if attr[0] == '_':
-            super(RemoteClassAttr, self).__setattr__(attr, val)
-            return
+            if not (attr.startswith('__') and attr.endswith('__')):
+                super(RemoteClassAttr, self).__setattr__(attr, val)
+                return
         self._path.append(attr)
         self._remote._remote_exec(RemoteClass.SETATTR, self.path_to_str(),
-                                  True, value=val)
+                                  value=val)
 
     def __call__(self, *args, **kwargs):
         return self._remote._remote_exec(RemoteClass.CALL, self.path_to_str(),
-                                         True, *args, **kwargs)
+                                         *args, **kwargs)
 
 
 class RemoteClass(Process):
@@ -114,18 +123,20 @@ class RemoteClass(Process):
 
     def __getattr__(self, attr):
         if attr[0] == '_' or not self.is_alive():
-            if hasattr(super(RemoteClass, self), '__getattr__'):
-                return super(RemoteClass, self).__getattr__(attr)
-            raise AttributeError
+            if not (attr.startswith('__') and attr.endswith('__')):
+                if hasattr(super(RemoteClass, self), '__getattr__'):
+                    return super(RemoteClass, self).__getattr__(attr)
+                raise AttributeError('missing: %s', attr)
         return RemoteClassAttr(self, attr)
 
     def __setattr__(self, attr, val):
         if attr[0] == '_' or not self.is_alive():
-            super(RemoteClass, self).__setattr__(attr, val)
-            return
+            if not (attr.startswith('__') and attr.endswith('__')):
+                super(RemoteClass, self).__setattr__(attr, val)
+                return
         setattr(RemoteClassAttr(self, None), attr, val)
 
-    def _remote_exec(self, op, path=None, ret=True, *args, **kwargs):
+    def _remote_exec(self, op, path=None, *args, **kwargs):
         """
         Execute given operation on a given, possibly nested, member remotely.
         """
@@ -133,23 +144,20 @@ class RemoteClass(Process):
         mutable_args = list(args)
         for i, val in enumerate(mutable_args):
             if isinstance(val, RemoteClass) or \
-               isinstance(val, RemoteClassAttr):
+                    isinstance(val, RemoteClassAttr):
                 mutable_args[i] = val.get_remote_value()
         args = tuple(mutable_args)
         for key, val in six.iteritems(kwargs):
             if isinstance(val, RemoteClass) or \
-               isinstance(val, RemoteClassAttr):
+                    isinstance(val, RemoteClassAttr):
                 kwargs[key] = val.get_remote_value()
         # send request
         args = self._make_serializable(args)
         kwargs = self._make_serializable(kwargs)
         self._pipe[RemoteClass.PIPE_PARENT].send((op, path, args, kwargs))
-        if not ret:
-            # no return value expected
-            return None
         timeout = self._timeout
         # adjust timeout specifically for the .sleep method
-        if path.split('.')[-1] == 'sleep':
+        if path is not None and path.split('.')[-1] == 'sleep':
             if args and isinstance(args[0], (long, int)):
                 timeout += args[0]
             elif 'timeout' in kwargs:
@@ -240,12 +248,18 @@ class RemoteClass(Process):
 
         # copy at least serializable attributes and properties
         for name, member in inspect.getmembers(obj):
-            if name[0] == '_':  # skip private members
-                continue
+            # skip private members and non-writable dunder methods.
+            if name[0] == '_':
+                if name in ['__weakref__']:
+                    continue
+                if name in ['__dict__']:
+                    continue
+                if not (name.startswith('__') and name.endswith('__')):
+                    continue
             if callable(member) and not isinstance(member, property):
                 continue
             if not self._serializable(member):
-                continue
+                member = self._make_serializable(member)
             setattr(copy, name, member)
         return copy
 
@@ -261,7 +275,7 @@ class RemoteClass(Process):
             if type(obj) is tuple:
                 rv = tuple(rv)
             return rv
-        elif (isinstance(obj, Enum)):
+        elif (isinstance(obj, IntEnum) or isinstance(obj, IntFlag)):
             return obj.value
         else:
             return self._make_obj_serializable(obj)
@@ -292,7 +306,7 @@ class RemoteClass(Process):
 
     def quit_remote(self):
         """ Quit remote execution """
-        self._remote_exec(RemoteClass.QUIT, None, False)
+        self._remote_exec(RemoteClass.QUIT, None)
 
     def get_remote_value(self):
         """ Get value of a remotely held object """
@@ -348,7 +362,7 @@ class RemoteVppTestCase(VppTestCase):
 
         @classmethod
         def setUpClass(cls):
-            # fork new process before clinet connects to VPP
+            # fork new process before client connects to VPP
             cls.remote_test = RemoteClass(RemoteVppTestCase)
 
             # start remote process
@@ -396,6 +410,10 @@ class RemoteVppTestCase(VppTestCase):
         super(RemoteVppTestCase, cls).setUpClass()
         os.environ = orig_env
 
+    @classmethod
+    def tearDownClass(cls):
+        super(RemoteVppTestCase, cls).tearDownClass()
+
     @unittest.skip("Empty test")
     def emptyTest(self):
         """ Do nothing """