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[utils] Fix broken Py 3.11+ compat in traverse_obj()
* inspect.getargspec is missing despite doc claiming backward compat * replace with emulation of `Signature.bind()`
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@ -6109,6 +6109,37 @@ def clean_podcast_url(url):
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)/''', '', url)
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)/''', '', url)
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if __debug__:
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# Raise TypeError if args can't be bound
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# needs compat owing to unstable inspect API, thanks PSF :-(
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try:
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inspect.signature
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def _try_bind_args(fn, *args, **kwargs):
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inspect.signature(fn).bind(*args, **kwargs)
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except AttributeError:
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# Py < 3.3
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def _try_bind_args(fn, *args, **kwargs):
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fn_args = inspect.getargspec(fn)
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# Py2: ArgInfo(args, varargs, keywords, defaults)
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# Py3: ArgSpec(args, varargs, keywords, defaults)
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if not fn_args.keywords:
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for k in kwargs:
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if k not in (fn_args.args or []):
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raise TypeError("got an unexpected keyword argument: '{0}'".format(k))
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if not fn_args.varargs:
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args_to_bind = len(args)
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bindable = len(fn_args.args or [])
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if args_to_bind > bindable:
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raise TypeError('too many positional arguments')
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bindable -= len(fn_args.defaults or [])
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if args_to_bind < bindable:
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if kwargs:
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bindable -= len(set(fn_args.args or []) & set(kwargs))
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if bindable > args_to_bind:
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raise TypeError("missing a required argument: '{0}'".format(fn_args.args[args_to_bind]))
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def traverse_obj(obj, *paths, **kwargs):
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def traverse_obj(obj, *paths, **kwargs):
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"""
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"""
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Safely traverse nested `dict`s and `Iterable`s
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Safely traverse nested `dict`s and `Iterable`s
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@ -6327,10 +6358,7 @@ def traverse_obj(obj, *paths, **kwargs):
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if __debug__ and callable(key):
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if __debug__ and callable(key):
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# Verify function signature
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# Verify function signature
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args = inspect.getargspec(key)
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_try_bind_args(key, None, None)
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if len(args.args) != 2:
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# crash differently in 2.6 !
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inspect.getcallargs(key, None, None)
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new_objs = []
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new_objs = []
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for obj in objs:
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for obj in objs:
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