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Unified Diff: third_party/twisted_8_1/twisted/internet/_win32serialport.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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Index: third_party/twisted_8_1/twisted/internet/_win32serialport.py
diff --git a/third_party/twisted_8_1/twisted/internet/_win32serialport.py b/third_party/twisted_8_1/twisted/internet/_win32serialport.py
deleted file mode 100644
index 576e7b4983f97cdc45b24c8e1fe3b1532f2595ee..0000000000000000000000000000000000000000
--- a/third_party/twisted_8_1/twisted/internet/_win32serialport.py
+++ /dev/null
@@ -1,112 +0,0 @@
-# Copyright (c) 2001-2004 Twisted Matrix Laboratories.
-# See LICENSE for details.
-
-
-"""
-Serial port support for Windows.
-
-Requires PySerial and win32all, and needs to be used with win32event
-reactor.
-"""
-
-# system imports
-import os
-import serial
-from serial import PARITY_NONE, PARITY_EVEN, PARITY_ODD
-from serial import STOPBITS_ONE, STOPBITS_TWO
-from serial import FIVEBITS, SIXBITS, SEVENBITS, EIGHTBITS
-import win32file, win32event
-
-# twisted imports
-from twisted.protocols import basic
-from twisted.internet import abstract
-from twisted.python import log
-
-# sibling imports
-from serialport import BaseSerialPort
-
-
-class SerialPort(BaseSerialPort, abstract.FileDescriptor):
- """A select()able serial device, acting as a transport."""
-
- connected = 1
-
- def __init__(self, protocol, deviceNameOrPortNumber, reactor,
- baudrate = 9600, bytesize = EIGHTBITS, parity = PARITY_NONE,
- stopbits = STOPBITS_ONE, xonxoff = 0, rtscts = 0):
- self._serial = serial.Serial(deviceNameOrPortNumber, baudrate=baudrate,
- bytesize=bytesize, parity=parity,
- stopbits=stopbits, timeout=None,
- xonxoff=xonxoff, rtscts=rtscts)
- self.flushInput()
- self.flushOutput()
- self.reactor = reactor
- self.protocol = protocol
- self.outQueue = []
- self.closed = 0
- self.closedNotifies = 0
- self.writeInProgress = 0
-
- self.protocol = protocol
- self._overlappedRead = win32file.OVERLAPPED()
- self._overlappedRead.hEvent = win32event.CreateEvent(None, 1, 0, None)
- self._overlappedWrite = win32file.OVERLAPPED()
- self._overlappedWrite.hEvent = win32event.CreateEvent(None, 0, 0, None)
-
- self.reactor.addEvent(self._overlappedRead.hEvent, self, 'serialReadEvent')
- self.reactor.addEvent(self._overlappedWrite.hEvent, self, 'serialWriteEvent')
-
- self.protocol.makeConnection(self)
-
- flags, comstat = win32file.ClearCommError(self._serial.hComPort)
- rc, self.read_buf = win32file.ReadFile(self._serial.hComPort,
- win32file.AllocateReadBuffer(1),
- self._overlappedRead)
-
- def serialReadEvent(self):
- #get that character we set up
- n = win32file.GetOverlappedResult(self._serial.hComPort, self._overlappedRead, 0)
- if n:
- first = str(self.read_buf[:n])
- #now we should get everything that is already in the buffer
- flags, comstat = win32file.ClearCommError(self._serial.hComPort)
- if comstat.cbInQue:
- win32event.ResetEvent(self._overlappedRead.hEvent)
- rc, buf = win32file.ReadFile(self._serial.hComPort,
- win32file.AllocateReadBuffer(comstat.cbInQue),
- self._overlappedRead)
- n = win32file.GetOverlappedResult(self._serial.hComPort, self._overlappedRead, 1)
- #handle all the received data:
- self.protocol.dataReceived(first + str(buf[:n]))
- else:
- #handle all the received data:
- self.protocol.dataReceived(first)
-
- #set up next one
- win32event.ResetEvent(self._overlappedRead.hEvent)
- rc, self.read_buf = win32file.ReadFile(self._serial.hComPort,
- win32file.AllocateReadBuffer(1),
- self._overlappedRead)
-
- def write(self, data):
- if data:
- if self.writeInProgress:
- self.outQueue.append(data)
- else:
- self.writeInProgress = 1
- win32file.WriteFile(self._serial.hComPort, data, self._overlappedWrite)
-
- def serialWriteEvent(self):
- try:
- dataToWrite = self.outQueue.pop(0)
- except IndexError:
- self.writeInProgress = 0
- return
- else:
- win32file.WriteFile(self._serial.hComPort, dataToWrite, self._overlappedWrite)
-
- def connectionLost(self, reason):
- self.reactor.removeEvent(self._overlappedRead.hEvent)
- self.reactor.removeEvent(self._overlappedWrite.hEvent)
- abstract.FileDescriptor.connectionLost(self, reason)
- self._serial.close()
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