#
# File: geneticone/helper.py
# This file is part of the Genetic/One-Project, a graphical portage-frontend.
#
# Copyright (C) 2006 Necoro d.M.
# This is free software.  You may redistribute copies of it under the terms of
# the GNU General Public License version 2.
# There is NO WARRANTY, to the extent permitted by law.
#
# Written by Necoro d.M. <necoro@necoro.net> et.al.

import traceback, textwrap, os.path

def debug(*args, **kwargs):
	"""Prints a debug message including filename and lineno.

    A variable number of positional arguments are allowed. If
        lineno(obj0, obj1, obj2)
    is called, the text part of the output looks like the output from
        print obj0, obj1, obj2
    The optional keyword "wrap" causes the message to be line-wrapped. The
    argument to "wrap" should be "1" or "True". "name" is another optional
    keyword parameter.

	(This function is adapted from Edward Jones as published under: http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/279155)"""
	
	stack = traceback.extract_stack()
	a, b, c, d = stack[-2]
	a = os.path.basename(a)
	out = []
	for obj in args:
		out.append(str(obj))
	text = ' '.join(out)
	if "name" in kwargs:
		text = 'In %s (%s:%s) %s:' % (kwargs["name"], a, b, text)
	else:
		text = 'In %s (%s:%s) %s:' % (c, a, b, text)
	#if wrap:
	#	text = textwrap.fill(text)
	
	text = "***DEBUG*** %s ***DEBUG***" % text
	
	print text

def am_i_root ():
	"""Returns True if the current user is root, False otherwise."""
	if os.getuid() == 0:
		return True
	else:
		return False