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python Programming Glossary: os.pipe

How do I use subprocess.Popen to connect multiple processes by pipes?

http://stackoverflow.com/questions/295459/how-do-i-use-subprocess-popen-to-connect-multiple-processes-by-pipes

b. Build an os pipe. not a Python subprocess.PIPE but call os.pipe which returns two new file descriptors that are connected via.. treating them as if they're a b c . Since Python has os.pipe os.exec and os.fork and you can replace sys.stdin and sys.stdout.. Indeed you may be able to work out some shortcuts using os.pipe and subprocess.Popen . However it's easier to delegate that..

Decorate \ delegate a File object to add functionality

http://stackoverflow.com/questions/4713932/decorate-delegate-a-file-object-to-add-functionality

def __init__ self level self.level level self.pipe os.pipe self.thread threading.Thread target self._flusher self.thread.start..

Write to file descriptor 3 of a Python subprocess.Popen object

http://stackoverflow.com/questions/6050187/write-to-file-descriptor-3-of-a-python-subprocess-popen-object

fd To read from a pipe instead of a file you could use os.pipe import subprocess import shlex import os PASSPHRASE '...' in_fd.. import shlex import os PASSPHRASE '...' in_fd out_fd os.pipe os.write out_fd PASSPHRASE os.close out_fd cmd 'gpg passphrase..

Python readline from pipe on Linux

http://stackoverflow.com/questions/6193779/python-readline-from-pipe-on-linux

readline from pipe on Linux When creating a pipe with os.pipe it returns 2 file numbers a read end and a write end which can.. Is it possible to use readline import os readEnd writeEnd os.pipe # something somewhere writes to the pipe firstLine readEnd.readline.. to the pipe firstLine readEnd.readline #doesn't work os.pipe returns just fd numbers In short is it possible to use readline..

Problem with a Python program using os.pipe and os.fork()

http://stackoverflow.com/questions/871447/problem-with-a-python-program-using-os-pipe-and-os-fork

with a Python program using os.pipe and os.fork I've recently needed to write a script that performs.. data back to the parent process using a pipe created with os.pipe . The child closes the 'r' end of the pipe and the parent closes.. some sample code that should work import os sys time r w os.pipe r w os.fdopen r 'r' 0 os.fdopen w 'w' 0 pid os.fork if pid #..