"""
Empty class used as a basis for a serializable copy of another class.
"""
+
pass
def __repr__(self):
- return '<SerializableClassCopy dict=%s>' % self.__dict__
+ return "<SerializableClassCopy dict=%s>" % self.__dict__
class RemoteClassAttr:
self._remote = remote
def path_to_str(self):
- return '.'.join(self._path)
+ return ".".join(self._path)
def get_remote_value(self):
return self._remote._remote_exec(RemoteClass.GET, self.path_to_str())
return self._remote._remote_exec(RemoteClass.STR, self.path_to_str())
def __getattr__(self, attr):
- if attr[0] == '_':
- if not (attr.startswith('__') and attr.endswith('__')):
- raise AttributeError('tried to get private attribute: %s ',
- attr)
+ if attr[0] == "_":
+ 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] == '_':
- if not (attr.startswith('__') and attr.endswith('__')):
+ if attr[0] == "_":
+ 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(),
- value=val)
+ self._remote._remote_exec(RemoteClass.SETATTR, self.path_to_str(), value=val)
def __call__(self, *args, **kwargs):
- return self._remote._remote_exec(RemoteClass.CALL, self.path_to_str(),
- *args, **kwargs)
+ return self._remote._remote_exec(
+ RemoteClass.CALL, self.path_to_str(), *args, **kwargs
+ )
class RemoteClass(Process):
object.terminate()
"""
- GET = 0 # Get attribute remotely
- CALL = 1 # Call method remotely
- SETATTR = 2 # Set attribute remotely
- REPR = 3 # Get representation of a remote object
- STR = 4 # Get string representation of a remote object
- QUIT = 5 # Quit remote execution
+ GET = 0 # Get attribute remotely
+ CALL = 1 # Call method remotely
+ SETATTR = 2 # Set attribute remotely
+ REPR = 3 # Get representation of a remote object
+ STR = 4 # Get string representation of a remote object
+ QUIT = 5 # Quit remote execution
PIPE_PARENT = 0 # Parent end of the pipe
PIPE_CHILD = 1 # Child end of the pipe
return self.RemoteClassAttr(self, None)()
def __getattr__(self, attr):
- if attr[0] == '_' or not self.is_alive():
- if not (attr.startswith('__') and attr.endswith('__')):
- if hasattr(super(RemoteClass, self), '__getattr__'):
+ if attr[0] == "_" or not self.is_alive():
+ if not (attr.startswith("__") and attr.endswith("__")):
+ if hasattr(super(RemoteClass, self), "__getattr__"):
return super(RemoteClass, self).__getattr__(attr)
- raise AttributeError('missing: %s', attr)
+ raise AttributeError("missing: %s", attr)
return RemoteClassAttr(self, attr)
def __setattr__(self, attr, val):
- if attr[0] == '_' or not self.is_alive():
- if not (attr.startswith('__') and attr.endswith('__')):
+ if attr[0] == "_" or not self.is_alive():
+ if not (attr.startswith("__") and attr.endswith("__")):
super(RemoteClass, self).__setattr__(attr, val)
return
setattr(RemoteClassAttr(self, None), attr, val)
# automatically resolve remote objects in the arguments
mutable_args = list(args)
for i, val in enumerate(mutable_args):
- if isinstance(val, RemoteClass) or \
- isinstance(val, RemoteClassAttr):
+ if isinstance(val, RemoteClass) or isinstance(val, RemoteClassAttr):
mutable_args[i] = val.get_remote_value()
args = tuple(mutable_args)
for key, val in kwargs.items():
- if isinstance(val, RemoteClass) or \
- isinstance(val, RemoteClassAttr):
+ if isinstance(val, RemoteClass) or isinstance(val, RemoteClassAttr):
kwargs[key] = val.get_remote_value()
# send request
args = self._make_serializable(args)
self._pipe[RemoteClass.PIPE_PARENT].send((op, path, args, kwargs))
timeout = self._timeout
# adjust timeout specifically for the .sleep method
- if path is not None and 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:
- timeout += kwargs['timeout']
+ elif "timeout" in kwargs:
+ timeout += kwargs["timeout"]
if not self._pipe[RemoteClass.PIPE_PARENT].poll(timeout):
return None
try:
return None
def _serializable(self, obj):
- """ Test if the given object is serializable """
+ """Test if the given object is serializable"""
try:
dumps(obj)
return True
Dictionaries can hold complex values, so we split keys and values into
separate lists and serialize them individually.
"""
- if (type(obj) is dict):
+ if type(obj) is dict:
copy.type = type(obj)
copy.k_list = list()
copy.v_list = list()
# copy at least serializable attributes and properties
for name, member in inspect.getmembers(obj):
# skip private members and non-writable dunder methods.
- if name[0] == '_':
- if name in ['__weakref__']:
+ if name[0] == "_":
+ if name in ["__weakref__"]:
continue
- if name in ['__dict__']:
+ if name in ["__dict__"]:
continue
- if not (name.startswith('__') and name.endswith('__')):
+ if not (name.startswith("__") and name.endswith("__")):
continue
if callable(member) and not isinstance(member, property):
continue
if type(obj) is tuple:
rv = tuple(rv)
return rv
- elif (isinstance(obj, IntEnum) or isinstance(obj, IntFlag)):
+ elif isinstance(obj, IntEnum) or isinstance(obj, IntFlag):
return obj.value
else:
return self._make_obj_serializable(obj)
def _deserialize_obj(self, obj):
- if (hasattr(obj, 'type')):
+ if hasattr(obj, "type"):
if obj.type is dict:
_obj = dict()
for k, v in zip(obj.k_list, obj.v_list):
return self._deserialize_obj(obj)
def start_remote(self):
- """ Start remote execution """
+ """Start remote execution"""
self.start()
def quit_remote(self):
- """ Quit remote execution """
+ """Quit remote execution"""
self._remote_exec(RemoteClass.QUIT, None)
def get_remote_value(self):
- """ Get value of a remotely held object """
+ """Get value of a remotely held object"""
return RemoteClassAttr(self, None).get_remote_value()
def set_request_timeout(self, timeout):
- """ Change request timeout """
+ """Change request timeout"""
self._timeout = timeout
def run(self):
try:
rv = None
# get request from the parent process
- (op, path, args,
- kwargs) = self._pipe[RemoteClass.PIPE_CHILD].recv()
+ (op, path, args, kwargs) = self._pipe[RemoteClass.PIPE_CHILD].recv()
args = self._deserialize(args)
kwargs = self._deserialize(kwargs)
- path = path.split('.') if path else []
+ path = path.split(".") if path else []
if op == RemoteClass.GET:
rv = self._get_local_value(path)
elif op == RemoteClass.CALL:
rv = self._call_local_method(path, *args, **kwargs)
- elif op == RemoteClass.SETATTR and 'value' in kwargs:
- self._set_local_attr(path, kwargs['value'])
+ elif op == RemoteClass.SETATTR and "value" in kwargs:
+ self._set_local_attr(path, kwargs["value"])
elif op == RemoteClass.REPR:
rv = self._get_local_repr(path)
elif op == RemoteClass.STR:
@unittest.skip("Remote Vpp Test Case Class")
class RemoteVppTestCase(VppTestCase):
- """ Re-use VppTestCase to create remote VPP segment
+ """Re-use VppTestCase to create remote VPP segment
- In your test case::
+ In your test case::
- @classmethod
- def setUpClass(cls):
- # fork new process before client connects to VPP
- cls.remote_test = RemoteClass(RemoteVppTestCase)
+ @classmethod
+ def setUpClass(cls):
+ # fork new process before client connects to VPP
+ cls.remote_test = RemoteClass(RemoteVppTestCase)
- # start remote process
- cls.remote_test.start_remote()
+ # start remote process
+ cls.remote_test.start_remote()
- # set up your test case
- super(MyTestCase, cls).setUpClass()
+ # set up your test case
+ super(MyTestCase, cls).setUpClass()
- # set up remote test
- cls.remote_test.setUpClass(cls.tempdir)
+ # set up remote test
+ cls.remote_test.setUpClass(cls.tempdir)
- @classmethod
- def tearDownClass(cls):
- # tear down remote test
- cls.remote_test.tearDownClass()
+ @classmethod
+ def tearDownClass(cls):
+ # tear down remote test
+ cls.remote_test.tearDownClass()
- # stop remote process
- cls.remote_test.quit_remote()
+ # stop remote process
+ cls.remote_test.quit_remote()
- # tear down your test case
- super(MyTestCase, cls).tearDownClass()
+ # tear down your test case
+ super(MyTestCase, cls).tearDownClass()
"""
def __init__(self):
def setUpClass(cls, tempdir):
# disable features unsupported in remote VPP
orig_env = dict(os.environ)
- if 'STEP' in os.environ:
- del os.environ['STEP']
- if 'DEBUG' in os.environ:
- del os.environ['DEBUG']
+ if "STEP" in os.environ:
+ del os.environ["STEP"]
+ if "DEBUG" in os.environ:
+ del os.environ["DEBUG"]
cls.tempdir_prefix = os.path.basename(tempdir) + "/"
super(RemoteVppTestCase, cls).setUpClass()
os.environ = orig_env
@unittest.skip("Empty test")
def emptyTest(self):
- """ Do nothing """
+ """Do nothing"""
pass
def setTestFunctionInfo(self, name, doc):
Code Review / vpp.git / blobdiff