Action.py 文件源码

def _object_instance_content(obj):
    """
    Returns consistant content for a action class or an instance thereof
    :param obj: Should be either and action class or an instance thereof
    :return: bytearray or bytes representing the obj suitable for generating
             a signiture from.
    """
    retval = bytearray()

    if obj is None:
        return b'N.'

    if isinstance(obj, SCons.Util.BaseStringTypes):
        return SCons.Util.to_bytes(obj)

    inst_class = obj.__class__
    inst_class_name = bytearray(obj.__class__.__name__,'utf-8')
    inst_class_module = bytearray(obj.__class__.__module__,'utf-8')
    inst_class_hierarchy = bytearray(repr(inspect.getclasstree([obj.__class__,])),'utf-8')
    # print("ICH:%s : %s"%(inst_class_hierarchy, repr(obj)))

    properties = [(p, getattr(obj, p, "None")) for p in dir(obj) if not (p[:2] == '__' or inspect.ismethod(getattr(obj, p)) or inspect.isbuiltin(getattr(obj,p))) ]
    properties.sort()
    properties_str = ','.join(["%s=%s"%(p[0],p[1]) for p in properties])
    properties_bytes = bytearray(properties_str,'utf-8')

    methods = [p for p in dir(obj) if inspect.ismethod(getattr(obj, p))]
    methods.sort()

    method_contents = []
    for m in methods:
        # print("Method:%s"%m)
        v = _function_contents(getattr(obj, m))
        # print("[%s->]V:%s [%s]"%(m,v,type(v)))
        method_contents.append(v)

    retval = bytearray(b'{')
    retval.extend(inst_class_name)
    retval.extend(b":")
    retval.extend(inst_class_module)
    retval.extend(b'}[[')
    retval.extend(inst_class_hierarchy)
    retval.extend(b']]{{')
    retval.extend(bytearray(b",").join(method_contents))
    retval.extend(b"}}{{{")
    retval.extend(properties_bytes)
    retval.extend(b'}}}')
    return retval

    # print("class          :%s"%inst_class)
    # print("class_name     :%s"%inst_class_name)
    # print("class_module   :%s"%inst_class_module)
    # print("Class hier     :\n%s"%pp.pformat(inst_class_hierarchy))
    # print("Inst Properties:\n%s"%pp.pformat(properties))
    # print("Inst Methods   :\n%s"%pp.pformat(methods))