本文和大家分享的主要是windows系统下，python进程间通信的命名管道相关内容 ，一起来看看吧，希望对大家学习python有所帮助。
在Windows上的命名管道主要是通过调用win32 api的以下方法来实现的:
- win32pipe.CreateNamedPipe()
- win32pipe.ConnectNamedPipe()
- win32file.ReadFile()
- win32file.WriteFile()
下面看一个例子，比较简单，只是需要注意一下命名管道的命名规则。
server.py
importwin32fileimportwin32pipe
PIPE_NAME = r'\\\\.\\pipe\\test_pipe'
PIPE_BUFFER_SIZE = 65535
whileTrue:
named_pipe = win32pipe.CreateNamedPipe(PIPE_NAME,
win32pipe.PIPE_ACCESS_DUPLEX,
win32pipe.PIPE_TYPE_MESSAGE | win32pipe.PIPE_WAIT | win32pipe.PIPE_READMODE_MESSAGE,
win32pipe.PIPE_UNLIMITED_INSTANCES,
PIPE_BUFFER_SIZE,
PIPE_BUFFER_SIZE, 500,None)
try:
whileTrue:
try:
win32pipe.ConnectNamedPipe(named_pipe,None)
data = win32file.ReadFile(named_pipe, PIPE_BUFFER_SIZE,None)
ifdataisNoneorlen(data) < 2:
continue
print'receive msg:', data
exceptBaseExceptionase:
print"exception:", e
break
finally:
try:
win32pipe.DisconnectNamedPipe(named_pipe)
except:
pass
client.py
importwin32pipe, win32fileimporttime
PIPE_NAME = r'\\\\.\\pipe\\test_pipe'
file_handle = win32file.CreateFile(PIPE_NAME,
win32file.GENERIC_READ | win32file.GENERIC_WRITE,
win32file.FILE_SHARE_WRITE,None,
win32file.OPEN_EXISTING, 0,None)try:
foriinrange(1, 11):
msg = str(i)
print'send msg:', msg
win32file.WriteFile(file_handle, msg)
time.sleep(1)finally:
try:
win32file.CloseHandle(file_handle)
except:
pass
测试
．首先运行server.py
．然后运行client.py
来源：kongxx的专栏
