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How to use _always_none method in Slash

Best Python code snippet using slash

meta.py

Source:meta.py

1import abc2from functools import wraps3from dbt.deprecations import warn, renamed_method4def _always_none(*args, **kwargs):5    return None6def _always_list(*args, **kwargs):7    return None8def available(func):9    """A decorator to indicate that a method on the adapter will be10    exposed to the database wrapper, and will be available at parse and run11    time.12    """13    func._is_available_ = True14    return func15def available_deprecated(supported_name, parse_replacement=None):16    """A decorator that marks a function as available, but also prints a17    deprecation warning. Use like18    @available_deprecated('my_new_method')...

ctx.py

Source:ctx.py

...32    def __setattr__(self, attr, value):33        raise AttributeError(34            "Cannot set attribute {!r} on null context".format(attr))35    @property36    def _always_none(self):37        pass38    session = test = test_id = g = internal_globals = \39        test_filename = test_classname = test_methodname = result = fixture = _always_none40    reporter = NullReporter()41class _ContextStack(object):42    def __init__(self):43        super(_ContextStack, self).__init__()44        self._stack = [NullContext()]45    def __getattr__(self, attr):46        assert self._stack47        return getattr(self._stack[-1], attr)48    def __dir__(self):49        assert self._stack50        return dir(self._stack[-1])...

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