How to use compat_kwargs method in pandera

Best Python code snippet using pandera_python

compat.py

Source:compat.py

...149    def _testfunc(x):150        pass151    _testfunc(**{'x': 0})152except TypeError:153    def compat_kwargs(kwargs):154        return dict((bytes(k), v) for k, v in kwargs.items())155else:156    compat_kwargs = lambda kwargs: kwargs157if sys.version_info < (3, 0) and sys.platform == 'win32':158    def compat_getpass(promt, *args, **kwargs):159        if isinstance(promt, compat_str):160            from .utils import preferredencoding161            promt = promt.encode(preferredencoding())162        return getpass.getpass(promt, *args, **kwargs)163else:164    compat_getpass = getpass.getpass165__all__ = [166    'compat_shlex_split',  # åè§£å½ä»¤è¡çåæ°167    'compat_getenv',  # è·åæå®keyçç¯å¢åé...

init_subclass.py

Source:init_subclass.py

1"""2Backport of the functionality of `__init_subclass__` from3`PEP 487 <https://peps.python.org/pep-0487/>`_ to Python 2.7.4"""5import sys6import six7from .get_mro import get_mro8__all__ = ["InitSubclassMeta", "InitSubclass"]9class InitSubclassMeta(type):10    """Metaclass that backports the functionality of `__init_subclass__` from PEP 487 to Python 2.7."""11    @staticmethod12    def __new__(mcs, name, bases, dct, **kwargs):13        # Keep a copy of the original kwargs -- they are sometimes used by generics.14        original_kwargs = dict(kwargs)15        # Wipe out kwargs if using older python.16        if sys.version_info[:3] < (3, 6):17            kwargs = dict()18        # Get compatibility kwargs (defined in the body of the class).19        dct_had_kwargs = "__kwargs__" in dct20        if dct_had_kwargs:21            compat_kwargs = dct["__kwargs__"]22        else:23            compat_kwargs = {}24        # Error out if the same kwarg is defined both in the body and in the class arguments.25        conflicting_kwargs = set(compat_kwargs).intersection(kwargs)26        if conflicting_kwargs:27            error = "conflicting class keyword arguments {}".format(28                ", ".join(sorted(repr(k) for k in conflicting_kwargs))29            )30            raise TypeError(error)31        # Merge kwargs.32        kwargs.update(compat_kwargs)33        # For older python versions.34        if sys.version_info[:3] < (3, 6):35            # Ensure classmethod.36            if "__init_subclass__" in dct and not isinstance(dct["__init_subclass__"], classmethod):37                dct = dict(dct)38                dct["__init_subclass__"] = classmethod(dct["__init_subclass__"])39            # Build class and pass original kwargs (for generics).40            cls = super(InitSubclassMeta, mcs).__new__(mcs, name, bases, dct, **original_kwargs)41            # Find '__init_subclass__' method.42            method = None43            method_owner = None44            for base in get_mro(cls):45                if base is cls:46                    continue47                method = base.__dict__.get("__init_subclass__")48                if method is not None:49                    method_owner = base50                    break51            # Found a method.52            if method is not None:53                # Invalid base.54                if not isinstance(method_owner, InitSubclassMeta):55                    error = "base {!r} defines '__init_subclass__' but does not utilize {!r} as a metaclass".format(56                        method_owner.__name__, InitSubclassMeta.__name__57                    )58                    raise TypeError(error)59                # Call it with compat kwargs only.60                method.__func__(cls, **compat_kwargs)61            # Have kwargs but no method was found.62            elif kwargs:63                error = "object.__init_subclass__() takes no keyword arguments"64                raise TypeError(error)65        # We don't need to do anything for newer python versions, just pass the merged kwargs.66        else:67            cls = super(InitSubclassMeta, mcs).__new__(mcs, name, bases, dct, **kwargs)68        # Remove kwargs from the body of the class.69        if not dct_had_kwargs and hasattr(cls, "__kwargs__"):70            error = "one or more bases for class {!r} define {!r} but do not utilize {!r} as a metaclass".format(71                name, "__kwargs__", InitSubclassMeta.__name__72            )73            raise TypeError(error)74        elif dct_had_kwargs:75            type.__delattr__(cls, "__kwargs__")76        return cls77class InitSubclass(six.with_metaclass(InitSubclassMeta, object)):78    """Class that backports the functionality of `__init_subclass__` from PEP 487 to Python 2.7"""79    __slots__ = ()80    if sys.version_info[:3] < (3, 6):81        def __init_subclass__(cls):...

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