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122 lines
4.8 KiB
Python
122 lines
4.8 KiB
Python
"""
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Copyright (c) Contributors to the Open 3D Engine Project.
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For complete copyright and license terms please see the LICENSE at the root of this distribution.
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SPDX-License-Identifier: Apache-2.0 OR MIT
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"""
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# -------------------------------------------------------------------------
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# -------------------------------------------------------------------------
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# -------------------------------------------------------------------------
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# find_arg.py
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# A simple function for arg, kwarg retrieval
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# version: 0.1
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# maintenance: Gallowj
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# -------------------------------------------------------------------------
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# -------------------------------------------------------------------------
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"""Module docstring: A simple function for retrieval of arg, kwarg"""
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__author__ = 'HogJonny'
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# -------------------------------------------------------------------------
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def find_arg(arg_pos_index=None, arg_tag=None, remove_kwarg=None,
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in_args=None, in_kwargs=None, default_value=None):
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"""
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# finds and returns an arg...
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# if a positional index is given argPosIndex=0, it checks args first
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# if a argTag is given, it checks kwargs
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# If removeKwarg=True, it will remove the found arg from kwargs
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# * I actually want/need to do this often
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#
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# a set kwarg will ALWAYS take precident over
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# positional arg!!!
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#
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# return outArg, args, kwargs <-- get back modified kwargs!
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#
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# proper usage:
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#
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# foundArg, args, kwargs = find_arg(0, 'name',)
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"""
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found_arg = None
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if arg_pos_index != None:
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if not isinstance(arg_pos_index, int):
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raise TypeError('argPosIndex: accepts a index integer!\r'
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'got: {0}'.format(arg_pos_index))
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# positional args ... check the position
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if len(in_args) > 0:
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try:
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found_arg = in_args[arg_pos_index]
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except:
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pass
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# check kwargs ... a set kwarg will ALWAYS take precident over
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# positional arg!!!
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if in_kwargs:
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found_arg = in_kwargs.get(arg_tag, default_value) # defaults to None
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if remove_kwarg:
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if in_kwargs:
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if arg_tag in in_kwargs:
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del in_kwargs[arg_tag]
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# if we didn't find the arg/kwarg, the defualt return will be None
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return found_arg, in_kwargs
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# -------------------------------------------------------------------------
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###########################################################################
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# --call block-------------------------------------------------------------
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if __name__ == "__main__":
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print ("# ----------------------------------------------------------------------- #\r")
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print ('~ find_arg.py ... Running script as __main__')
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print ("# ----------------------------------------------------------------------- #\r")
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_G_DEBUG = True
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from test_foo import Foo
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#######################################################################
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# Node Class
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# ---------------------------------------------------------------------
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class TestNode(Foo):
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def __init__(self, *args, **kwargs):
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super().__init__()
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self._name, kwargs = find_arg(arg_tag='foo', remove_kwarg=True,
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in_args=args, in_kwargs=kwargs)
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self._name, kwargs = find_arg(arg_pos_index=0, arg_tag='name',
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remove_kwarg=True,
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in_args=args, in_kwargs=kwargs) # <-- first positional OR kwarg
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self._parent, kwargs = find_arg(arg_pos_index=1, arg_tag='parent',
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remove_kwarg=True,
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in_args=args, in_kwargs=kwargs) # <-- second positional OR kwarg
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self._kwargsDict = {}
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# arbitrary argument properties
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# checking **kwargs, any kwargs left
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# will be used to synthesize a property
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for key, value in kwargs.items():
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self._kwargsDict[key] = value
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# synthesize(self, '{0}'.format(key), value) <-- I have a method,
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# which synthesizes properties... with gettr, settr, etc.
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if _G_DEBUG:
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print("{0}:{1}".format(key, value))
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# representation
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def __repr__(self):
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return '{0}({1})\r'.format(self.__class__.__name__, self.__dict__)
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# ---------------------------------------------------------------------
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# -------------------------------------------------------------------------
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testNode = TestNode('foo')
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testNode2 = TestNode(name='fooey', parent=testNode)
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testNode3 = TestNode('kablooey', testNode2, gomer='pile')
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print ('testNode2, name: {0}, parent: {1}'.format(testNode2._name, testNode2._parent))
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print (testNode3)
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