18 lines
		
	
	
		
			611 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			611 B
		
	
	
	
		
			Python
		
	
	
	
	
	
def __getattr__(attr_name):
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    import warnings
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    from numpy.fft import _helper
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    ret = getattr(_helper, attr_name, None)
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    if ret is None:
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        raise AttributeError(
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            f"module 'numpy.fft.helper' has no attribute {attr_name}")
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    warnings.warn(
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        "The numpy.fft.helper has been made private and renamed to "
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        "numpy.fft._helper. All four functions exported by it (i.e. fftshift, "
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        "ifftshift, fftfreq, rfftfreq) are available from numpy.fft. "
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        f"Please use numpy.fft.{attr_name} instead.",
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        DeprecationWarning,
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        stacklevel=3
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    )
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    return ret
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