31 lines
761 B
Python
31 lines
761 B
Python
# Simplified interface to os.popen3()
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def pipe(cmd, str=None):
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from popen2 import Popen3 as Popen
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bufsize = 4096
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MAX = 65536*16
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if str and len(str) > 4096: # XXX: Hardcoded Linux 2.4, 2.6 pipe buffer size
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bufsize = len(str)
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pipe = Popen(cmd, True, bufsize)
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if not str is None:
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pipe.tochild.write(str)
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pipe.tochild.close()
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out = ""
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err = ""
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while True:
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str = pipe.fromchild.read()
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if str:
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out += str
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code = pipe.poll()
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if code > -1:
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err = pipe.childerr.read()
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break
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if len(out) >= MAX:
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err = "Output exceeds %s bytes and has been truncated" % MAX
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break
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return (code, out, err)
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