* Facilitate invocation of some GNU coreutil programs in my python scripts.

master
wirawan 15 years ago
parent 3609a5b95b
commit b8c378cc14
  1. 29
      shell_tools.py

@ -1,4 +1,4 @@
# $Id: shell_tools.py,v 1.1 2010-01-08 18:43:06 wirawan Exp $
# $Id: shell_tools.py,v 1.2 2010-01-18 20:55:44 wirawan Exp $
#
# wpylib.shell_tools
# Created: 20100106
@ -32,3 +32,30 @@ def mcd(subdir):
raise
def errchk(cmd, args, retcode):
if retcode == 0: return
print >>sys.stderr, "Error executing ", cmd, " ".join(args)
if retcode < 0:
err = "Command %s was terminated by signal %d" % (cmd, -retcode)
else:
err = "Command %s returned %d" % (cmd, retcode)
raise RuntimeError, err
def run(prg, args):
retcode = subprocess.call((prg,) + args)
errchk(prg, args, retcode)
return 0
# coreutils
def cp(*args):
run('cp', args)
def mkdir(*args):
run('mkdir', args)
def mv(*args):
run('mv', args)

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