Python weakref.ProxyType() Examples

The following are 23 code examples of weakref.ProxyType(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module weakref , or try the search function .
Example #1
Source File: python_message.py    From luci-py with Apache License 2.0 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """
    # This listener establishes a back reference from a child (contained) object
    # to its parent (containing) object.  We make this a weak reference to avoid
    # creating cyclic garbage when the client finishes with the 'parent' object
    # in the tree.
    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)

    # As an optimization, we also indicate directly on the listener whether
    # or not the parent message is dirty.  This way we can avoid traversing
    # up the tree in the common case.
    self.dirty = False
Example #2
Source File: python_message.py    From keras-lambda with MIT License 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """
    # This listener establishes a back reference from a child (contained) object
    # to its parent (containing) object.  We make this a weak reference to avoid
    # creating cyclic garbage when the client finishes with the 'parent' object
    # in the tree.
    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)

    # As an optimization, we also indicate directly on the listener whether
    # or not the parent message is dirty.  This way we can avoid traversing
    # up the tree in the common case.
    self.dirty = False
Example #3
Source File: python_message.py    From Serverless-Deep-Learning-with-TensorFlow-and-AWS-Lambda with MIT License 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """
    # This listener establishes a back reference from a child (contained) object
    # to its parent (containing) object.  We make this a weak reference to avoid
    # creating cyclic garbage when the client finishes with the 'parent' object
    # in the tree.
    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)

    # As an optimization, we also indicate directly on the listener whether
    # or not the parent message is dirty.  This way we can avoid traversing
    # up the tree in the common case.
    self.dirty = False
Example #4
Source File: python_message.py    From Serverless-Deep-Learning-with-TensorFlow-and-AWS-Lambda with MIT License 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """
    # This listener establishes a back reference from a child (contained) object
    # to its parent (containing) object.  We make this a weak reference to avoid
    # creating cyclic garbage when the client finishes with the 'parent' object
    # in the tree.
    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)

    # As an optimization, we also indicate directly on the listener whether
    # or not the parent message is dirty.  This way we can avoid traversing
    # up the tree in the common case.
    self.dirty = False
Example #5
Source File: environment.py    From dm_control with Apache License 2.0 6 votes vote down vote up 
def _recompile_physics_and_update_observables(self):
    """Sets up the environment for latest MJCF model from the task."""
    self._physics_proxy = None
    self._recompile_physics()
    if isinstance(self._physics, weakref.ProxyType):
      self._physics_proxy = self._physics
    else:
      self._physics_proxy = weakref.proxy(self._physics)

    if self._overridden_n_sub_steps is not None:
      self._n_sub_steps = self._overridden_n_sub_steps
    else:
      self._n_sub_steps = self._task.physics_steps_per_control_step

    self._hooks.refresh_entity_hooks()
    self._hooks.after_compile(self._physics_proxy, self._random_state)
    self._observation_updater = self._make_observation_updater()
    self._observation_updater.reset(self._physics_proxy, self._random_state)
Example #6
Source File: python_message.py    From python-compat-runtime with Apache License 2.0 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """




    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)




    self.dirty = False
Example #7
Source File: tether_task_runner.py    From spavro with Apache License 2.0 6 votes vote down vote up 
def __init__(self,runner):
    """
    Param
    ----------------------------------------------------------
    runner - Instance of TaskRunner
    """
    ipc.Responder.__init__(self, inputProtocol)

    self.log=logging.getLogger("TaskRunnerResponder")

    # should we use weak references to avoid circular references?
    # We use weak references b\c self.runner owns this instance of TaskRunnerResponder
    if isinstance(runner,weakref.ProxyType):
      self.runner=runner
    else:
      self.runner=weakref.proxy(runner)

    self.task=weakref.proxy(runner.task)
Example #8
Source File: python_message.py    From luci-py with Apache License 2.0 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """
    # This listener establishes a back reference from a child (contained) object
    # to its parent (containing) object.  We make this a weak reference to avoid
    # creating cyclic garbage when the client finishes with the 'parent' object
    # in the tree.
    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)

    # As an optimization, we also indicate directly on the listener whether
    # or not the parent message is dirty.  This way we can avoid traversing
    # up the tree in the common case.
    self.dirty = False
Example #9
Source File: python_message.py    From luci-py with Apache License 2.0 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """
    # This listener establishes a back reference from a child (contained) object
    # to its parent (containing) object.  We make this a weak reference to avoid
    # creating cyclic garbage when the client finishes with the 'parent' object
    # in the tree.
    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)

    # As an optimization, we also indicate directly on the listener whether
    # or not the parent message is dirty.  This way we can avoid traversing
    # up the tree in the common case.
    self.dirty = False
Example #10
Source File: python_message.py    From luci-py with Apache License 2.0 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """
    # This listener establishes a back reference from a child (contained) object
    # to its parent (containing) object.  We make this a weak reference to avoid
    # creating cyclic garbage when the client finishes with the 'parent' object
    # in the tree.
    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)

    # As an optimization, we also indicate directly on the listener whether
    # or not the parent message is dirty.  This way we can avoid traversing
    # up the tree in the common case.
    self.dirty = False
Example #11
Source File: python_message.py    From luci-py with Apache License 2.0 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """
    # This listener establishes a back reference from a child (contained) object
    # to its parent (containing) object.  We make this a weak reference to avoid
    # creating cyclic garbage when the client finishes with the 'parent' object
    # in the tree.
    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)

    # As an optimization, we also indicate directly on the listener whether
    # or not the parent message is dirty.  This way we can avoid traversing
    # up the tree in the common case.
    self.dirty = False
Example #12
Source File: python_message.py    From go2mapillary with GNU General Public License v3.0 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """
    # This listener establishes a back reference from a child (contained) object
    # to its parent (containing) object.  We make this a weak reference to avoid
    # creating cyclic garbage when the client finishes with the 'parent' object
    # in the tree.
    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)

    # As an optimization, we also indicate directly on the listener whether
    # or not the parent message is dirty.  This way we can avoid traversing
    # up the tree in the common case.
    self.dirty = False
Example #13
Source File: python_message.py    From coremltools with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """
    # This listener establishes a back reference from a child (contained) object
    # to its parent (containing) object.  We make this a weak reference to avoid
    # creating cyclic garbage when the client finishes with the 'parent' object
    # in the tree.
    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)

    # As an optimization, we also indicate directly on the listener whether
    # or not the parent message is dirty.  This way we can avoid traversing
    # up the tree in the common case.
    self.dirty = False
Example #14
Source File: python_message.py    From botchallenge with MIT License 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """
    # This listener establishes a back reference from a child (contained) object
    # to its parent (containing) object.  We make this a weak reference to avoid
    # creating cyclic garbage when the client finishes with the 'parent' object
    # in the tree.
    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)

    # As an optimization, we also indicate directly on the listener whether
    # or not the parent message is dirty.  This way we can avoid traversing
    # up the tree in the common case.
    self.dirty = False
Example #15
Source File: python_message.py    From sklearn-theano with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """
    # This listener establishes a back reference from a child (contained) object
    # to its parent (containing) object.  We make this a weak reference to avoid
    # creating cyclic garbage when the client finishes with the 'parent' object
    # in the tree.
    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)

    # As an optimization, we also indicate directly on the listener whether
    # or not the parent message is dirty.  This way we can avoid traversing
    # up the tree in the common case.
    self.dirty = False
Example #16
Source File: python_message.py    From auto-alt-text-lambda-api with MIT License 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """
    # This listener establishes a back reference from a child (contained) object
    # to its parent (containing) object.  We make this a weak reference to avoid
    # creating cyclic garbage when the client finishes with the 'parent' object
    # in the tree.
    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)

    # As an optimization, we also indicate directly on the listener whether
    # or not the parent message is dirty.  This way we can avoid traversing
    # up the tree in the common case.
    self.dirty = False
Example #17
Source File: python_message.py    From lambda-packs with MIT License 6 votes vote down vote up 
def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """
    # This listener establishes a back reference from a child (contained) object
    # to its parent (containing) object.  We make this a weak reference to avoid
    # creating cyclic garbage when the client finishes with the 'parent' object
    # in the tree.
    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)

    # As an optimization, we also indicate directly on the listener whether
    # or not the parent message is dirty.  This way we can avoid traversing
    # up the tree in the common case.
    self.dirty = False
Example #18
Source File: entities.py    From plueprint with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def _parent(self, value):
        if value is not None and not isinstance(value, weakref.ProxyType):
            value = weakref.proxy(value)
        self.__parent = value
Example #19
Source File: tether_task_runner.py    From spavro with Apache License 2.0 5 votes vote down vote up 
def HTTPHandlerGen(runner):
  """
  This is a class factory for the HTTPHandler. We need
  a factory b\c we need a reference to the runner

  Parameters
  -----------------------------------------------------------------
  runner - instance of the task runner
  """

  if not(isinstance(runner,weakref.ProxyType)):
    runnerref=weakref.proxy(runner)
  else:
    runnerref=runner

  class TaskRunnerHTTPHandler(BaseHTTPRequestHandler):
    """Create a handler for the parent.
    """

    runner=runnerref
    def __init__(self,*args,**param):
      """
      """
      BaseHTTPRequestHandler.__init__(self,*args,**param)

    def do_POST(self):
      self.responder =TaskRunnerResponder(self.runner)
      call_request_reader = ipc.FramedReader(self.rfile)
      call_request = call_request_reader.read_framed_message()
      resp_body = self.responder.respond(call_request)
      self.send_response(200)
      self.send_header('Content-Type', 'avro/binary')
      self.end_headers()
      resp_writer = ipc.FramedWriter(self.wfile)
      resp_writer.write_framed_message(resp_body)

  return TaskRunnerHTTPHandler
Example #20
Source File: api_tests.py    From conary with Apache License 2.0 5 votes vote down vote up 
def CheckCursorConnection(self):
        if not isinstance(self.cur.connection, weakref.ProxyType) and \
           not isinstance(self.cur.connection, weakref.CallableProxyType):
            fail("cursor.connection doesn't return the correct type")
Example #21
Source File: environment.py    From dm_control with Apache License 2.0 5 votes vote down vote up 
def physics(self):
    """Returns a `weakref.ProxyType` pointing to the current `mjcf.Physics`.

    Note that the underlying `mjcf.Physics` will be destroyed whenever the MJCF
    model is recompiled. It is therefore unsafe for external objects to hold a
    reference to `environment.physics`. Attempting to access attributes of a
    dead `Physics` instance will result in a `ReferenceError`.
    """
    return self._physics_proxy
Example #22
Source File: handler.py    From Nbdler with Apache License 2.0 5 votes vote down vote up 
def enter(self, handlers, loop=None):
        assert self._loop or loop
        if loop:
            if not isinstance(loop, weakref.ProxyType):
                loop = weakref.proxy(loop)
            self._loop = loop

        if not isinstance(handlers, weakref.ProxyType):
            handlers = weakref.proxy(handlers)

        token = self.__context__.set(handlers)

        yield self
        self.__context__.reset(token)
Example #23
Source File: entities.py    From plueprint with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def _request(self, value):
        if value is not None and not isinstance(value, weakref.ProxyType):
            value = weakref.proxy(value)
        self.__request = value