tests: replace pycodestyle with black

[vpp.git] / test / vpp_object.py

diff --git a/test/vpp_object.py b/test/vpp_object.py
index 8fe549e..d3652b1 100644 (file)
--- a/test/vpp_object.py
+++ b/test/vpp_object.py
@@ -1,50 +1,67 @@
 """ abstract vpp object and object registry """
 
-from abc import ABCMeta, abstractmethod
+import abc
 
-import six
 
+class VppObject(metaclass=abc.ABCMeta):
+    """Abstract vpp object"""
 
-class VppObject(object):
-    """ Abstract vpp object """
-    __metaclass__ = ABCMeta
-
-    @abstractmethod
-    def add_vpp_config(self):
-        """ Add the configuration for this object to vpp. """
+    @abc.abstractmethod
+    def add_vpp_config(self) -> None:
+        """Add the configuration for this object to vpp."""
         pass
 
-    @abstractmethod
-    def query_vpp_config(self):
+    @abc.abstractmethod
+    def query_vpp_config(self) -> bool:
         """Query the vpp configuration.
 
         :return: True if the object is configured"""
         pass
 
-    @abstractmethod
-    def remove_vpp_config(self):
-        """ Remove the configuration for this object from vpp. """
+    @abc.abstractmethod
+    def remove_vpp_config(self) -> None:
+        """Remove the configuration for this object from vpp."""
         pass
 
-    @abstractmethod
-    def object_id(self):
-        """ Return a unique string representing this object. """
-        pass
+    def object_id(self) -> str:
+        """Return a unique string representing this object."""
+        return "Undefined. for <%s %s>" % (self.__class__.__name__, id(self))
+
+    def __str__(self) -> str:
+        return self.object_id()
+
+    def __repr__(self) -> str:
+        return "<%s>" % self.object_id()
+
+    def __hash__(self) -> int:
+        return hash(self.object_id())
+
+    def __eq__(self, other) -> bool:
+        if not isinstance(other, self.__class__):
+            return NotImplemented
+        if other.object_id() == self.object_id():
+            return True
+        return False
+
+    # This can be removed when python2 support is dropped.
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
 
+class VppObjectRegistry:
+    """Class which handles automatic configuration cleanup."""
 
-class VppObjectRegistry(object):
-    """ Class which handles automatic configuration cleanup. """
     _shared_state = {}
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.__dict__ = self._shared_state
         if not hasattr(self, "_object_registry"):
             self._object_registry = []
         if not hasattr(self, "_object_dict"):
             self._object_dict = dict()
 
-    def register(self, obj, logger):
-        """ Register an object in the registry. """
+    def register(self, obj: VppObject, logger) -> None:
+        """Register an object in the registry."""
         if obj.object_id() not in self._object_dict:
             self._object_registry.append(obj)
             self._object_dict[obj.object_id()] = obj
@@ -52,13 +69,13 @@ class VppObjectRegistry(object):
         else:
             logger.debug("REG: duplicate add, ignoring (%s)" % obj)
 
-    def unregister_all(self, logger):
-        """ Remove all object registrations from registry. """
+    def unregister_all(self, logger) -> None:
+        """Remove all object registrations from registry."""
         logger.debug("REG: removing all object registrations")
         self._object_registry = []
         self._object_dict = dict()
 
-    def remove_vpp_config(self, logger):
+    def remove_vpp_config(self, logger) -> None:
         """
         Remove configuration (if present) from vpp and then remove all objects
         from the registry.
@@ -77,12 +94,14 @@ class VppObjectRegistry(object):
                     failed.append(obj)
             else:
                 logger.info(
-                    "REG: Skipping removal for %s, configuration not present" %
-                    obj)
+                    "REG: Skipping removal for %s, configuration not present" % obj
+                )
         self.unregister_all(logger)
         if failed:
             logger.error("REG: Couldn't remove configuration for object(s):")
             for obj in failed:
-                logger.error(six.reprlib(obj))
-            raise Exception("Couldn't remove configuration for object(s): %s" %
-                            (", ".join(str(x) for x in failed)))
+                logger.error(repr(obj))
+            raise Exception(
+                "Couldn't remove configuration for object(s): %s"
+                % (", ".join(str(x) for x in failed))
+            )