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"""Base utilities support for IPython.
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Warning: this is a module that other utilities modules will import from, so it
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can ONLY depend on the standard library, and NOTHING ELSE. In particular, this
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module can NOT import anything from IPython, or circular dependencies will arise.
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"""
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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import subprocess
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#-----------------------------------------------------------------------------
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# Functions
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#-----------------------------------------------------------------------------
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def getoutputerror(cmd,verbose=0,debug=0,header='',split=0):
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"""Return (standard output,standard error) of executing cmd in a shell.
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Accepts the same arguments as system(), plus:
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- split(0): if true, each of stdout/err is returned as a list split on
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newlines.
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Note: a stateful version of this function is available through the
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SystemExec class."""
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if verbose or debug: print header+cmd
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if not cmd:
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if split:
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return [],[]
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else:
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return '',''
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if not debug:
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p = subprocess.Popen(cmd, shell=True,
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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close_fds=True)
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pin, pout, perr = (p.stdin, p.stdout, p.stderr)
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tout = pout.read().rstrip()
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terr = perr.read().rstrip()
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pin.close()
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pout.close()
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perr.close()
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if split:
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return tout.split('\n'),terr.split('\n')
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else:
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return tout,terr
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