Python源码示例:weakref.ProxyType()
示例1
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
示例2
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
示例3
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
示例4
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
示例5
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
示例6
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
示例7
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
示例8
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
示例9
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
示例10
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
示例11
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
示例12
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)
示例13
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
示例14
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)
示例15
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
示例16
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
示例17
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
示例18
def _parent(self, value):
if value is not None and not isinstance(value, weakref.ProxyType):
value = weakref.proxy(value)
self.__parent = value
示例19
def _request(self, value):
if value is not None and not isinstance(value, weakref.ProxyType):
value = weakref.proxy(value)
self.__request = value
示例20
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
示例21
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")
示例22
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
示例23
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)