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61 lines
1.3 KiB
61 lines
1.3 KiB
# $Id: shell_tools.py,v 1.2 2010-01-18 20:55:44 wirawan Exp $
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#
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# wpylib.shell_tools
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# Created: 20100106
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# Wirawan Purwanto
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#
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# Simple and dirty tools like those I usually use in my shell
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# scripts.
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#
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import os
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import subprocess
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import sys
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def mcd(subdir):
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# Assuming we have GNU coreutils' mkdir
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cmd = ["mkdir", "-p", subdir]
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try:
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retcode = subprocess.call(cmd, shell=False)
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if retcode == 0:
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os.chdir(subdir)
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return
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print >>sys.stderr, "mcd " + subdir + ": ",
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if retcode < 0:
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print >>sys.stderr, "mkdir was terminated by signal", -retcode
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else:
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print >>sys.stderr, "mkdir returned", retcode
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raise RuntimeError, "Directory creation failure"
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except OSError, e:
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print >>sys.stderr, "mcd failed:", e
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raise
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def errchk(cmd, args, retcode):
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if retcode == 0: return
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print >>sys.stderr, "Error executing ", cmd, " ".join(args)
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if retcode < 0:
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err = "Command %s was terminated by signal %d" % (cmd, -retcode)
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else:
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err = "Command %s returned %d" % (cmd, retcode)
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raise RuntimeError, err
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def run(prg, args):
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retcode = subprocess.call((prg,) + args)
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errchk(prg, args, retcode)
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return 0
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# coreutils
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def cp(*args):
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run('cp', args)
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def mkdir(*args):
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run('mkdir', args)
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def mv(*args):
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run('mv', args)
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