#! /usr/local/bin/python -O

"""
Dummy VFS for Midnight Commander. Just for a test.

Author: Oleg BroytMann <phd@phd.pp.ru>.
Copyright (C) 2004 PhiloSoft Design.
License: GPL.

"""

__version__ = "0.3.0"
__revision__ = "$Id: dummy,v 1.6 2004/06/13 10:23:20 phd Exp $"
__date__ = "$Date: 2004/06/13 10:23:20 $"[7:-2]
__author__ = "Oleg Broytmann <phd@phd.pp.ru>"
__copyright__ = "Copyright (C) 2004 PhiloSoft Design"


import sys

def log_error(msg):
   sys.stderr.write(msg + '\n')

def error(msg):
   log_error(msg + '\n')
   sys.exit(1)


if len(sys.argv) < 2:
   error("""\
It is not a program - it is a dummy VFS for Midnight Commander.
Put it in /usr/lib/mc/extfs.""")


def mcdummy_list():
   """List the entire VFS"""
   # Ignore the VFS name (sys.argv[2])
   # Emit a dummy listing
   print "-r--r--r-- 1 user group 0 Jun 13 02:20 file0"
   print "-r--r--r-- 1 user group 1 Jun 13 02:21 file1"
   print "dr--r--r-- 1 user group 2 Jun 13 02:22 subdir"
   print "-r--r--r-- 1 user group 3 Jun 13 02:23 subdir/file3"
   print "-r--r--r-- 1 user group 4 Jun 13 02:23 subdir/file4"


def mcdummy_copyout():
   """Extract a file from the VFS"""
   # Ignore the VFS name (sys.argv[2])
   dummy_filename = sys.argv[3]
   real_filename = sys.argv[4]

   real_file = open(real_filename, 'w')
   real_file.write("Copied from %s\n" % dummy_filename)
   real_file.write("Copied  to  %s\n" % real_filename)
   real_file.close()


def mcdummy_copyin():
   """Put a file to the VFS"""
   # Ignore the VFS name (sys.argv[2])
   dummy_filename = sys.argv[3]
   real_filename = sys.argv[4]

   real_file = open(real_filename + "-dummy.tmp", 'w')
   real_file.write("Copied from %s\n" % real_filename)
   real_file.write("Copied  to  %s\n" % dummy_filename)
   real_file.close()


g = globals()
command = sys.argv[1]
procname = "mcdummy_" + command

if not g.has_key(procname):
   error("Unknown command %s" % command)

g[procname]()