# Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

#

# The Universal Permissive License (UPL), Version 1.0

#

# Subject to the condition set forth below, permission is hereby granted to any

# person obtaining a copy of this software, associated documentation and/or

# data (collectively the "Software"), free of charge and under any and all

# copyright rights in the Software, and any and all patent rights owned or

# freely licensable by each licensor hereunder covering either (i) the

# unmodified Software as contributed to or provided by such licensor, or (ii)

# the Larger Works (as defined below), to deal in both

#

# (a) the Software, and

#

# (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if

# one is included with the Software each a "Larger Work" to which the Software

# is contributed by such licensors),

#

# without restriction, including without limitation the rights to copy, create

# derivative works of, display, perform, and distribute the Software and make,

# use, sell, offer for sale, import, export, have made, and have sold the

# Software and the Larger Work(s), and to sublicense the foregoing rights on

# either these or other terms.

#

# This license is subject to the following condition:

#

# The above copyright notice and either this complete permission notice or at a

# minimum a reference to the UPL must be included in all copies or substantial

# portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

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# SOFTWARE.

def __signature__(self):

import inspect

text_sig = self.__text_signature__

text_sig = text_sig[1:-1] # remove parens

paramnames = [p.strip() for p in text_sig.split(",")]

i = 0

kind = inspect.Parameter.POSITIONAL_ONLY

parameters = []

while i < len(paramnames):

p = paramnames[i]

if p.startswith("$"):

pass

elif p == "/":

kind = inspect.Parameter.POSITIONAL_OR_KEYWORD

elif p.startswith("**"):

parameters.append(inspect.Parameter(p, inspect.Parameter.VAR_KEYWORD))

elif p.startswith("*"):

kind = inspect.Parameter.KEYWORD_ONLY

if p != "*":

parameters.append(inspect.Parameter(p, inspect.Parameter.VAR_POSITIONAL))

elif p:

if "=" in p:

kind = inspect.Parameter.POSITIONAL_OR_KEYWORD

parameters.append(inspect.Parameter(p, kind))

i += 1

return inspect.Signature(parameters=parameters)

# attach to builtin methods and builtin functions

type(list.append).__signature__ = property(__signature__)

type(abs).__signature__ = property(__signature__)