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Side by Side Diff: third_party/twisted_8_1/twisted/internet/_posixserialport.py

Issue 12261012: Remove third_party/twisted_8_1 (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/tools/build
Patch Set: Created 7 years, 10 months ago
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1 # Copyright (c) 2001-2007 Twisted Matrix Laboratories.
2 # See LICENSE for details.
3
4
5 """
6 Serial Port Protocol
7 """
8
9 # system imports
10 import os, errno
11
12 # dependent on pyserial ( http://pyserial.sf.net/ )
13 # only tested w/ 1.18 (5 Dec 2002)
14 import serial
15 from serial import PARITY_NONE, PARITY_EVEN, PARITY_ODD
16 from serial import STOPBITS_ONE, STOPBITS_TWO
17 from serial import FIVEBITS, SIXBITS, SEVENBITS, EIGHTBITS
18
19 from serialport import BaseSerialPort
20
21 # twisted imports
22 from twisted.internet import abstract, fdesc, main
23
24 class SerialPort(BaseSerialPort, abstract.FileDescriptor):
25 """
26 A select()able serial device, acting as a transport.
27 """
28
29 connected = 1
30
31 def __init__(self, protocol, deviceNameOrPortNumber, reactor,
32 baudrate = 9600, bytesize = EIGHTBITS, parity = PARITY_NONE,
33 stopbits = STOPBITS_ONE, timeout = 0, xonxoff = 0, rtscts = 0):
34 abstract.FileDescriptor.__init__(self, reactor)
35 self._serial = serial.Serial(deviceNameOrPortNumber, baudrate = baudrate , bytesize = bytesize, parity = parity, stopbits = stopbits, timeout = timeout, xonxoff = xonxoff, rtscts = rtscts)
36 self.reactor = reactor
37 self.flushInput()
38 self.flushOutput()
39 self.protocol = protocol
40 self.protocol.makeConnection(self)
41 self.startReading()
42
43 def fileno(self):
44 return self._serial.fd
45
46 def writeSomeData(self, data):
47 """
48 Write some data to the serial device.
49 """
50 return fdesc.writeToFD(self.fileno(), data)
51
52 def doRead(self):
53 """
54 Some data's readable from serial device.
55 """
56 return fdesc.readFromFD(self.fileno(), self.protocol.dataReceived)
57
58 def connectionLost(self, reason):
59 abstract.FileDescriptor.connectionLost(self, reason)
60 self._serial.close()
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