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# ``twisted`.`spread`.`pb`.`PBClientFactory``

class documentation

`class PBClientFactory(protocol.ClientFactory): (source)`

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Client factory for PB brokers.

As with all client factories, use with reactor.connectTCP/SSL/etc.. getPerspective and getRootObject can be called either before or after the connect.

Method | `__init__` | No summary
Method | `buildProtocol` | Build the broker instance, passing the security options to it.
Method | `clientConnectionFailed` | Called when a connection has failed to connect.
Method | `clientConnectionLost` | Reconnecting subclasses should call with reconnecting=1.
Method | `clientConnectionMade` | Undocumented
Method | `disconnect` | If the factory is connected, close the connection.
Method | `getRootObject` | Get root object of remote PB server.
Method | `login` | Login and get perspective from remote PB server.
Instance Variable | `rootObjectRequests` | Undocumented
Instance Variable | `security` | Undocumented
Instance Variable | `unsafeTracebacks` | Undocumented
Method | `_cbLoginAnonymous` | Attempt an anonymous login on the given remote root object.
Method | `_cbResponse` | Undocumented
Method | `_cbSendUsername` | Undocumented
Method | `_failAll` | Undocumented
Method | `_reset` | Undocumented
Instance Variable | `_broker` | Undocumented
Instance Variable | `_root` | Undocumented

Inherited from `ClientFactory`:

Method | `startedConnecting` | Called when a connection has been started.

Inherited from `Factory` (via `ClientFactory`):

Class Method | `forProtocol` | Create a factory for the given protocol.
Method | `doStart` | Make sure startFactory is called.
Method | `doStop` | Make sure stopFactory is called.
Method | `logPrefix` | Describe this factory for log messages.
Method | `startFactory` | This will be called before I begin listening on a Port or Connector.
Method | `stopFactory` | This will be called before I stop listening on all Ports/Connectors.
Class Variable | `noisy` | Undocumented
Class Variable | `protocol` | Undocumented
Instance Variable | `numPorts` | Undocumented

def __init__(self, unsafeTracebacks=False, security=globalSecurity): (source)

Parameters
unsafeTracebacks:`bool` | if set, tracebacks for exceptions will be sent over the wire.
security:`twisted.spread.jelly.SecurityOptions` | security options used by the broker, default to `globalSecurity`.

def buildProtocol(self, addr): (source)
from `twisted.internet.interfaces.IProtocolFactory`
overrides `twisted.internet.protocol.Factory.buildProtocol`

Build the broker instance, passing the security options to it.

def clientConnectionFailed(self, connector, reason): (source)
overrides `twisted.internet.protocol.ClientFactory.clientConnectionFailed`

Called when a connection has failed to connect.

It may be useful to call connector.connect() - this will reconnect.

Parameters
connector | Undocumented
reason:`twisted.python.failure.Failure` | Undocumented

def clientConnectionLost(self, connector, reason, reconnecting=0): (source)
overrides `twisted.internet.protocol.ClientFactory.clientConnectionLost`

Reconnecting subclasses should call with reconnecting=1.

def clientConnectionMade(self, broker): (source)

Undocumented

def disconnect(self): (source)

If the factory is connected, close the connection.

Note that if you set up the factory to reconnect, you will need to implement extra logic to prevent automatic reconnection after this is called.

def getRootObject(self): (source)

Get root object of remote PB server.

Returns
Deferred of the root object.

def login(self, credentials, client=None): (source)

Login and get perspective from remote PB server.

Currently the following credentials are supported:

        L{twisted.cred.credentials.IUsernamePassword}
        L{twisted.cred.credentials.IAnonymous}

Returns
`Deferred` | A `Deferred` which will be called back with a `RemoteReference` for the avatar logged in to, or which will errback if login fails.

rootObjectRequests: `list` = (source)

Undocumented

security = (source)

Undocumented

unsafeTracebacks = (source)

Undocumented

def _cbLoginAnonymous(self, root, client): (source)

Attempt an anonymous login on the given remote root object.

Parameters
root:`RemoteReference` | The object on which to attempt the login, most likely returned by a call to `PBClientFactory.getRootObject`.
client | A jellyable object which will be used as the mind parameter for the login attempt.
Returns
`Deferred` | A `Deferred` which will be called back with a `RemoteReference` to an avatar when anonymous login succeeds, or which will errback if anonymous login fails.

def _cbResponse(self, challenges, password, client): (source)

Undocumented

def _cbSendUsername(self, root, username, password, client): (source)

Undocumented

def _failAll(self, reason): (source)

Undocumented

def _reset(self): (source)

Undocumented

_broker = (source)

Undocumented

_root = (source)

Undocumented