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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
iocpreactor	[ DIR ]	drwxr-xr-x
test	[ DIR ]	drwxr-xr-x
__init__.py	521 B	-rw-r--r--
_baseprocess.py	1.87 KB	-rw-r--r--
_dumbwin32proc.py	12.8 KB	-rw-r--r--
_glibbase.py	12.51 KB	-rw-r--r--
_idna.py	1.36 KB	-rw-r--r--
_newtls.py	9.11 KB	-rw-r--r--
_pollingfile.py	8.77 KB	-rw-r--r--
_posixserialport.py	1.95 KB	-rw-r--r--
_posixstdio.py	4.58 KB	-rw-r--r--
_producer_helpers.py	3.7 KB	-rw-r--r--
_resolver.py	8.33 KB	-rw-r--r--
_signals.py	2.65 KB	-rw-r--r--
_sslverify.py	70.09 KB	-rw-r--r--
_threadedselect.py	11.49 KB	-rw-r--r--
_win32serialport.py	4.63 KB	-rw-r--r--
_win32stdio.py	3.13 KB	-rw-r--r--
abstract.py	18.82 KB	-rw-r--r--
address.py	5.12 KB	-rw-r--r--
asyncioreactor.py	10.31 KB	-rw-r--r--
base.py	43.22 KB	-rw-r--r--
cfreactor.py	17.09 KB	-rw-r--r--
default.py	1.9 KB	-rw-r--r--
defer.py	69.52 KB	-rw-r--r--
endpoints.py	75.4 KB	-rw-r--r--
epollreactor.py	8.29 KB	-rw-r--r--
error.py	12.35 KB	-rw-r--r--
fdesc.py	3.15 KB	-rw-r--r--
gireactor.py	5.98 KB	-rw-r--r--
glib2reactor.py	1.09 KB	-rw-r--r--
gtk2reactor.py	3.53 KB	-rw-r--r--
gtk3reactor.py	2.2 KB	-rw-r--r--
inotify.py	14.35 KB	-rw-r--r--
interfaces.py	94.25 KB	-rw-r--r--
kqreactor.py	10.05 KB	-rw-r--r--
main.py	1.03 KB	-rw-r--r--
pollreactor.py	5.88 KB	-rw-r--r--
posixbase.py	25.74 KB	-rw-r--r--
process.py	37.98 KB	-rw-r--r--
protocol.py	26.5 KB	-rw-r--r--
pyuisupport.py	817 B	-rw-r--r--
reactor.py	1.82 KB	-rw-r--r--
selectreactor.py	6.07 KB	-rw-r--r--
serialport.py	2.26 KB	-rw-r--r--
ssl.py	8.25 KB	-rw-r--r--
stdio.py	1.02 KB	-rw-r--r--
task.py	30.39 KB	-rw-r--r--
tcp.py	53.62 KB	-rw-r--r--
threads.py	3.86 KB	-rw-r--r--
tksupport.py	2 KB	-rw-r--r--
udp.py	18.13 KB	-rw-r--r--
unix.py	21.45 KB	-rw-r--r--
utils.py	7.69 KB	-rw-r--r--
win32eventreactor.py	14.84 KB	-rw-r--r--
wxreactor.py	5.14 KB	-rw-r--r--
wxsupport.py	1.33 KB	-rw-r--r--

Code Editor : _posixstdio.py

# -*- test-case-name: twisted.test.test_stdio -*-

"""Standard input/out/err support.

Future Plans::

support for stderr, perhaps
    Rewrite to use the reactor instead of an ad-hoc mechanism for connecting
        protocols to transport.

Maintainer: James Y Knight
"""

from zope.interface import implementer

from twisted.internet import process, error, interfaces
from twisted.python import log, failure

@implementer(interfaces.IAddress)
class PipeAddress(object):
    pass

@implementer(interfaces.ITransport, interfaces.IProducer,
             interfaces.IConsumer, interfaces.IHalfCloseableDescriptor)
class StandardIO(object):

_reader = None
    _writer = None
    disconnected = False
    disconnecting = False

def __init__(self, proto, stdin=0, stdout=1, reactor=None):
        if reactor is None:
            from twisted.internet import reactor
        self.protocol = proto

self._writer = process.ProcessWriter(reactor, self, 'write', stdout)
        self._reader = process.ProcessReader(reactor, self, 'read', stdin)
        self._reader.startReading()
        self.protocol.makeConnection(self)

# ITransport

# XXX Actually, see #3597.
    def loseWriteConnection(self):
        if self._writer is not None:
            self._writer.loseConnection()

def write(self, data):
        if self._writer is not None:
            self._writer.write(data)

def writeSequence(self, data):
        if self._writer is not None:
            self._writer.writeSequence(data)

def loseConnection(self):
        self.disconnecting = True

if self._writer is not None:
            self._writer.loseConnection()
        if self._reader is not None:
            # Don't loseConnection, because we don't want to SIGPIPE it.
            self._reader.stopReading()

def getPeer(self):
        return PipeAddress()

def getHost(self):
        return PipeAddress()

# Callbacks from process.ProcessReader/ProcessWriter
    def childDataReceived(self, fd, data):
        self.protocol.dataReceived(data)

def childConnectionLost(self, fd, reason):
        if self.disconnected:
            return

if reason.value.__class__ == error.ConnectionDone:
            # Normal close
            if fd == 'read':
                self._readConnectionLost(reason)
            else:
                self._writeConnectionLost(reason)
        else:
            self.connectionLost(reason)

def connectionLost(self, reason):
        self.disconnected = True

# Make sure to cleanup the other half
        _reader = self._reader
        _writer = self._writer
        protocol = self.protocol
        self._reader = self._writer = None
        self.protocol = None

if _writer is not None and not _writer.disconnected:
            _writer.connectionLost(reason)

if _reader is not None and not _reader.disconnected:
            _reader.connectionLost(reason)

try:
            protocol.connectionLost(reason)
        except:
            log.err()

def _writeConnectionLost(self, reason):
        self._writer=None
        if self.disconnecting:
            self.connectionLost(reason)
            return

p = interfaces.IHalfCloseableProtocol(self.protocol, None)
        if p:
            try:
                p.writeConnectionLost()
            except:
                log.err()
                self.connectionLost(failure.Failure())

def _readConnectionLost(self, reason):
        self._reader=None
        p = interfaces.IHalfCloseableProtocol(self.protocol, None)
        if p:
            try:
                p.readConnectionLost()
            except:
                log.err()
                self.connectionLost(failure.Failure())
        else:
            self.connectionLost(reason)

# IConsumer
    def registerProducer(self, producer, streaming):
        if self._writer is None:
            producer.stopProducing()
        else:
            self._writer.registerProducer(producer, streaming)

def unregisterProducer(self):
        if self._writer is not None:
            self._writer.unregisterProducer()

# IProducer
    def stopProducing(self):
        self.loseConnection()

def pauseProducing(self):
        if self._reader is not None:
            self._reader.pauseProducing()

def resumeProducing(self):
        if self._reader is not None:
            self._reader.resumeProducing()

def stopReading(self):
        """Compatibility only, don't use. Call pauseProducing."""
        self.pauseProducing()

def startReading(self):
        """Compatibility only, don't use. Call resumeProducing."""
        self.resumeProducing()

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Code Editor : _posixstdio.py