(name, blacklist=None, whitelist=None)
return cls
Imports and returns an object given a fully qualified name.

    >>> find_object("whoosh.analysis.StopFilter")
    <class 'whoosh.analysis.StopFilter'>
Imports and returns an object given a fully qualified name.
Imports and returns an object given a fully qualified name .
def find_object(name, blacklist=None, whitelist=None):
    """Imports and returns an object given a fully qualified name.

    >>> find_object("whoosh.analysis.StopFilter")
    <class 'whoosh.analysis.StopFilter'>
    """

    if blacklist:
        for pre in blacklist:
            if name.startswith(pre):
                raise TypeError("%r: can't instantiate names starting with %r"
                                % (name, pre))
    if whitelist:
        passes = False
        for pre in whitelist:
            if name.startswith(pre):
                passes = True
                break
        if not passes:
            raise TypeError("Can't instantiate %r" % name)

    lastdot = name.rfind(".")

    assert lastdot > -1, "Name %r must be fully qualified" % name
    modname = name[:lastdot]
    clsname = name[lastdot + 1:]

    mod = __import__(modname, fromlist=[clsname])
    cls = getattr(mod, clsname)
    return cls
def find_object ( name , blacklist = None , whitelist = None ) : if blacklist : for pre in blacklist : if name . startswith ( pre ) : raise TypeError ( "%r: can't instantiate names starting with %r" % ( name , pre ) ) if whitelist : passes = False for pre in whitelist : if name . startswith ( pre ) : passes = True break if not passes : raise TypeError ( "Can't instantiate %r" % name ) lastdot = name . rfind ( "." ) assert lastdot > - 1 , "Name %r must be fully qualified" % name modname = name [ : lastdot ] clsname = name [ lastdot + 1 : ] mod = __import__ ( modname , fromlist = [ clsname ] ) cls = getattr ( mod , clsname ) return cls