util

classObjectDict(dict):

classGzipDecompressor(object):

def import_object(name):
    """Imports an object by name.
    import_object('x') is equivalent to 'import x'.
    import_object('x.y.z') is equivalent to 'from x.y import z'.
class ArgReplacer(object):
    """Replaces one value in an ``args, kwargs`` pair.
    Inspects the function signature to find an argument by name
    whether it is passed by position or keyword.  For use in decorators
    and similar wrappers.
    """
    def __init__(self, func, name):
class Configurable(object):
？