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Test running processes with the APIs in L{twisted.internet.utils}.
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Test running a process using L{getProcessOutput}, L{getProcessValue}, and
L{getProcessOutputAndValue}.
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Write the given list of lines to a text file and return the absolute
path to it.
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L{getProcessOutput} returns a L{Deferred} which fires with the complete
output of the process it runs after that process exits.
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import syss for s in 'hello world\n':s sys.stdout.write(s)s sys.stdout.flush()s -us hello world
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The L{Deferred} returned by L{getProcessOutput} is fired with an
L{IOError} L{Failure} if the child process writes to stderr.
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If a C{True} value is supplied for the C{errortoo} parameter to
L{getProcessOutput}, the returned L{Deferred} fires with the child's
stderr output as well as its stdout output.
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The L{Deferred} returned by L{getProcessValue} is fired with the exit
status of the child process.
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test_value\ s c s[ t j } j d d d d g } f d } t j j d | g } | j | S( s
The L{Deferred} returned by L{getProcessOutputAndValue} fires with a
three-tuple, the elements of which give the data written to the child's
stdout, the data written to the child's stderr, and the exit status of
the child.
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hello world!
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If the child process exits because of a signal, the L{Deferred}
returned by L{getProcessOutputAndValue} fires a L{Failure} of a tuple
containing the the child's stdout, stderr, and the signal which caused
it to exit.
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stdout bytes
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stderr bytes
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L{getProcessOutput} runs the given command with the working directory
given by the C{path} parameter.
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L{getProcessValue} runs the given command with the working directory
given by the C{path} parameter.
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L{getProcessOutputAndValue} runs the given command with the working
directory given by the C{path} parameter.
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addCleanupt chdirt getcwdt chmodt statt S_IMODEt st_modeR R ( R R7 R8 R9 R R ( ( s< /usr/lib/python2.7/dist-packages/twisted/test/test_iutils.pyt _defaultPathTest s
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If no value is supplied for the C{path} parameter, L{getProcessOutput}
runs the given command in the same working directory as the parent
process and succeeds even if the current working directory is not
accessible.
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If no value is supplied for the C{path} parameter, L{getProcessValue}
runs the given command in the same working directory as the parent
process and succeeds even if the current working directory is not
accessible.
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If no value is supplied for the C{path} parameter,
L{getProcessOutputAndValue} runs the given command in the same working
directory as the parent process and succeeds even if the current
working directory is not accessible.
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