mirror of https://github.com/morpheus65535/bazarr
73 lines
1.7 KiB
Python
73 lines
1.7 KiB
Python
import collections
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import inspect
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FullArgSpec = collections.namedtuple(
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"FullArgSpec",
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[
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"args",
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"varargs",
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"varkw",
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"defaults",
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"kwonlyargs",
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"kwonlydefaults",
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"annotations",
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],
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)
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ArgSpec = collections.namedtuple(
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"ArgSpec", ["args", "varargs", "keywords", "defaults"]
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)
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def inspect_getfullargspec(func):
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"""Fully vendored version of getfullargspec from Python 3.3.
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This version is more performant than the one which appeared in
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later Python 3 versions.
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"""
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# if a Signature is already present, as is the case with newer
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# "decorator" package, defer back to built in
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if hasattr(func, "__signature__"):
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return inspect.getfullargspec(func)
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if inspect.ismethod(func):
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func = func.__func__
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if not inspect.isfunction(func):
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raise TypeError("{!r} is not a Python function".format(func))
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co = func.__code__
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if not inspect.iscode(co):
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raise TypeError("{!r} is not a code object".format(co))
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nargs = co.co_argcount
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names = co.co_varnames
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nkwargs = co.co_kwonlyargcount
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args = list(names[:nargs])
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kwonlyargs = list(names[nargs : nargs + nkwargs])
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nargs += nkwargs
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varargs = None
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if co.co_flags & inspect.CO_VARARGS:
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varargs = co.co_varnames[nargs]
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nargs = nargs + 1
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varkw = None
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if co.co_flags & inspect.CO_VARKEYWORDS:
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varkw = co.co_varnames[nargs]
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return FullArgSpec(
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args,
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varargs,
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varkw,
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func.__defaults__,
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kwonlyargs,
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func.__kwdefaults__,
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func.__annotations__,
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)
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def inspect_getargspec(func):
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return ArgSpec(*inspect_getfullargspec(func)[0:4])
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