# ``twisted`.`internet`.`gtk3reactor`.`PortableGtk3Reactor``

class documentation

`class PortableGtk3Reactor(gireactor.PortableGIReactor): (source)`

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Portable GTK+ 3.x reactor.

Method | `__init__` | Override init to set the `useGtk` flag.

Inherited from `PortableGIReactor`:

Method | `registerGApplication` | Register a `Gio.Application` or `Gtk.Application`, whose main loop will be used instead of the default one.

Inherited from `PortableGlibReactorBase` (via `PortableGIReactor`):

Method | `crash` | See twisted.internet.interfaces.IReactorCore.crash.
Method | `run` | Fire 'startup' System Events, move the reactor to the 'running' state, then run the main loop until it is stopped with `stop()` or `crash()`.
Method | `simulate` | Run simulation loops and reschedule callbacks.
Instance Variable | `loop` | Undocumented
Instance Variable | `_crash` | Undocumented
Instance Variable | `_glib` | Undocumented
Instance Variable | `_gtk` | Undocumented
Instance Variable | `_run` | Undocumented
Instance Variable | `_simtag` | Undocumented
Instance Variable | `_source_remove` | Undocumented
Instance Variable | `_timeout_add` | Undocumented

Inherited from `SelectReactor` (via `PortableGIReactor`, `PortableGlibReactorBase`):

Method | `addReader` | Add a FileDescriptor for notification of data available to read.
Method | `addWriter` | Add a FileDescriptor for notification of data available to write.
Method | `doSelect` | Run one iteration of the I/O monitor loop.
Method | `getReaders` | Return the list of file descriptors currently monitored for input events by the reactor.
Method | `getWriters` | Return the list file descriptors currently monitored for output events by the reactor.
Method | `removeAll` | Remove all readers and writers.
Method | `removeReader` | Remove a Selectable for notification of data available to read.
Method | `removeWriter` | Remove a Selectable for notification of data available to write.
Method | `_doReadOrWrite` | Undocumented
Method | `_preenDescriptors` | Undocumented
Instance Variable | `_reads` | A set containing `FileDescriptor` instances which will be checked for read events.
Instance Variable | `_writes` | A set containing `FileDescriptor` instances which will be checked for writability.

Inherited from `PosixReactorBase` (via `PortableGIReactor`, `PortableGlibReactorBase`, `SelectReactor`):

Method | `adoptDatagramPort` | Add an existing listening SOCK_DGRAM socket to the reactor to monitor for read and write readiness.
Method | `adoptStreamConnection` |
Method | `adoptStreamPort` | Create a new `IListeningPort` from an already-initialized socket.
Method | `connectSSL` | Connect a client Protocol to a remote SSL socket.
Method | `connectTCP` | Connect a TCP client.
Method | `connectUNIX` | Connect a client protocol to a UNIX socket.
Method | `connectUNIXDatagram` | Connects a `ConnectedDatagramProtocol` instance to a path.
Method | `installWaker` | Install a `waker' to allow threads and signals to wake up the IO thread.
Method | `listenMulticast` | Connects a given DatagramProtocol to the given numeric UDP port.
Method | `listenSSL` | Connects a given protocol factory to the given numeric TCP/IP port. The connection is a SSL one, using contexts created by the context factory.
Method | `listenTCP` | Connects a given protocol factory to the given numeric TCP/IP port.
Method | `listenUDP` | Connects a given `DatagramProtocol` to the given numeric UDP port.
Method | `listenUNIX` | Listen on a UNIX socket.
Method | `listenUNIXDatagram` | Connects a given `DatagramProtocol` to the given path.
Method | `spawnProcess` | Spawn a process, with a process protocol.
Instance Variable | `waker` | Undocumented
Method | `_handleSignals` | Extend the basic signal handling logic to also support handling SIGCHLD to know when to try to reap child processes.
Method | `_removeAll` | Remove all readers and writers, and list of removed `IReadDescriptor`s and `IWriteDescriptor`s.
Method | `_uninstallHandler` | If a child waker was created and installed, uninstall it now.
Class Variable | `_supportedAddressFamilies` | Undocumented
Instance Variable | `_childWaker` | `None` or a reference to the `_SIGCHLDWaker` which is used to properly notice child process termination.

Inherited from `_SignalReactorMixin` (via `PortableGIReactor`, `PortableGlibReactorBase`, `SelectReactor`, `PosixReactorBase`):

Method | `mainLoop` | Undocumented
Method | `startRunning` | Extend the base implementation in order to remember whether signal handlers should be installed later.
Method | `_reallyStartRunning` | Extend the base implementation by also installing signal handlers, if `self._installSignalHandlers` is true.
Instance Variable | `_installSignalHandlers` | A flag which indicates whether any signal handlers will be installed during startup. This includes handlers for SIGCHLD to monitor child processes, and SIGINT, SIGTERM, and SIGBREAK to stop the reactor.

Inherited from `_DisconnectSelectableMixin` (via `PortableGIReactor`, `PortableGlibReactorBase`, `SelectReactor`, `PosixReactorBase`):

Method | `_disconnectSelectable` | Utility function for disconnecting a selectable.

Inherited from `ReactorBase` (via `PortableGIReactor`, `PortableGlibReactorBase`, `SelectReactor`, `PosixReactorBase`):

Method | `addSystemEventTrigger` | See twisted.internet.interfaces.IReactorCore.addSystemEventTrigger.
Method | `callFromThread` | Cause a function to be executed by the reactor thread.
Method | `callInThread` | See `twisted.internet.interfaces.IReactorInThreads.callInThread`.
Method | `callLater` | See twisted.internet.interfaces.IReactorTime.callLater.
Method | `callWhenRunning` | See twisted.internet.interfaces.IReactorCore.callWhenRunning.
Method | `disconnectAll` | Disconnect every reader, and writer in the system.
Method | `doIteration` | Do one iteration over the readers and writers which have been added.
Method | `fireSystemEvent` | See twisted.internet.interfaces.IReactorCore.fireSystemEvent.
Method | `getDelayedCalls` | See `twisted.internet.interfaces.IReactorTime.getDelayedCalls`
Method | `getThreadPool` | See `twisted.internet.interfaces.IReactorThreads.getThreadPool`.
Method | `iterate` | See twisted.internet.interfaces.IReactorCore.iterate.
Method | `removeSystemEventTrigger` | See twisted.internet.interfaces.IReactorCore.removeSystemEventTrigger.
Method | `resolve` | Return a Deferred that will resolve a hostname.
Method | `runUntilCurrent` | Run all pending timed calls.
Method | `sigBreak` | Handle a SIGBREAK interrupt.
Method | `sigInt` | Handle a SIGINT interrupt.
Method | `sigTerm` | Handle a SIGTERM interrupt.
Method | `startRunning` | Method called when reactor starts: do some initialization and fire startup events.
Method | `stop` | See twisted.internet.interfaces.IReactorCore.stop.
Method | `suggestThreadPoolSize` | See `twisted.internet.interfaces.IReactorThreads.suggestThreadPoolSize`.
Method | `timeout` | Determine the longest time the reactor may sleep (waiting on I/O notification, perhaps) before it must wake up to service a time-related event.
Method | `wakeUp` | Wake up the event loop.
Class Variable | `__name__` | Undocumented
Class Variable | `installed` | Undocumented
Class Variable | `seconds` | Get the current time in seconds.
Instance Variable | `running` | See `IReactorCore.running`
Instance Variable | `threadCallQueue` | Undocumented
Instance Variable | `threadpool` | Undocumented
Instance Variable | `threadpoolShutdownID` | Undocumented
Instance Variable | `usingThreads` | Undocumented
Method | `_cancelCallLater` | Undocumented
Method | `_initThreadPool` | Create the threadpool accessible with callFromThread.
Method | `_initThreads` | Undocumented
Method | `_insertNewDelayedCalls` | Undocumented
Method | `_moveCallLaterSooner` | Undocumented
Method | `_reallyStartRunning` | Method called to transition to the running state. This should happen in the during startup event trigger phase.
Method | `_stopThreadPool` | No summary
Class Variable | `_lock` | Undocumented
Instance Variable | `_cancellations` | Undocumented
Instance Variable | `_eventTriggers` | Undocumented
Instance Variable | `_exitSignal` | See `_ISupportsExitSignalCapturing._exitSignal`
Instance Variable | `_internalReaders` | Undocumented
Instance Variable | `_justStopped` | A flag which is true between the time `reactor.stop` is called and the time the shutdown system event is fired. This is used to determine whether that event should be fired after each iteration through the mainloop. This should be replaced with an explicit state machine.
Instance Variable | `_newTimedCalls` | Undocumented
Instance Variable | `_pendingTimedCalls` | Undocumented
Instance Variable | `_registerAsIOThread` | A flag controlling whether the reactor will register the thread it is running in as the I/O thread when it starts. If `True`, registration will be done, otherwise it will not be.
Instance Variable | `_started` | A flag which is true from the time `reactor.run` is called until the time `reactor.run` returns. This is used to prevent calls to `reactor.run` on a running reactor. This should be replaced with an explicit state machine.
Instance Variable | `_startedBefore` | Undocumented
Instance Variable | `_stopped` | A flag which is true between paired calls to `reactor.run` and `reactor.stop`. This should be replaced with an explicit state machine.
Instance Variable | `_threadpoolStartupID` | Undocumented

Inherited from `PluggableResolverMixin` (via `PortableGIReactor`, `PortableGlibReactorBase`, `SelectReactor`, `PosixReactorBase`, `ReactorBase`):

Method | `installNameResolver` | See `IReactorPluggableNameResolver`.
Method | `installResolver` | See `IReactorPluggableResolver`.
Instance Variable | `resolver` | The installed `IResolverSimple`.
Property | `nameResolver` | Implementation of read-only `IReactorPluggableNameResolver.nameResolver`.
Instance Variable | `_nameResolver` | The installed `IHostnameResolver`.

Inherited from `_ThreadedWin32EventsMixin` (via `PortableGIReactor`, `PortableGlibReactorBase`, `SelectReactor`):

Method | `addEvent` |
Method | `removeEvent` |
Method | `_makeHelperReactor` | Create and (in a new thread) start a `Win32Reactor` instance to use for the implementation of `IReactorWin32Events`.
Method | `_unmakeHelperReactor` | Stop and discard the reactor started by `_makeHelperReactor`.
Instance Variable | `_reactor` | The `Win32Reactor` running in the other thread. This is `None` until it is actually needed.
Instance Variable | `_reactorThread` | The `threading.Thread` which is running the `Win32Reactor`. This is `None` until it is actually needed.

def __init__(self): (source)
overrides `twisted.internet.gireactor.PortableGIReactor.__init__`
Override init to set the `useGtk` flag.