# Copyright (C) 2006-2012 Mortal Coil Games
# See LICENSE for details.
"""  
"""


def getarg(args, name, defval=0):
    """
    You need to add a docstring here ! 
    """
    ret = defval
    if args.has_key(name):
        ret = args[name]
    return ret


def parseInstanceId(sid):
    """
    this function takes a tuple of any length 
        that is in string format and 
        has all int values. It converts it back 
        to a tuple.
    """
    if sid.isdigit():
        return int(sid)
    #if sid[0]=="D":
        # for a directory entry nevermind
        #sid=sid[1:]
    if sid[0] == "(" and sid[ -1] == ")":
        # parse tuple
        t = sid[1:-1]
        nums = t.split(",")
        arr = []
        for n in nums:
            arr.append(int(n))
        return tuple(arr)
    return sid


def getmembers(object, predicate=None):
    """
    Since inspect.getmembers is retarded about some zope stuff, fix that here.

    Return all members of an object as (name, value) pairs sorted by name.
    Optionally, only return members that satisfy a given predicate.
    """
    results = []
    for key in dir(object):
        if key.startswith("__"):
            continue
        value = getattr(object, key)
        if not predicate or predicate(value):
            results.append((key, value))
    results.sort()
    return results