63 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Python
		
	
	
	
""" deprecated module for turning on/off some features. """ 
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import py 
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from py.builtin import builtins as cpy_builtin
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def invoke(assertion=False, compile=False):
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    """ (deprecated) invoke magic, currently you can specify:
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        assertion  patches the builtin AssertionError to try to give
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                   more meaningful AssertionErrors, which by means
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                   of deploying a mini-interpreter constructs
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                   a useful error message.
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    """
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    py.log._apiwarn("1.1", 
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        "py.magic.invoke() is deprecated, use py.code.patch_builtins()",
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        stacklevel=2, 
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    )
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    py.code.patch_builtins(assertion=assertion, compile=compile)
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def revoke(assertion=False, compile=False):
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    """ (deprecated) revoke previously invoked magic (see invoke())."""
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    py.log._apiwarn("1.1", 
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        "py.magic.revoke() is deprecated, use py.code.unpatch_builtins()",
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        stacklevel=2, 
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    )
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    py.code.unpatch_builtins(assertion=assertion, compile=compile)
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patched = {}
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def patch(namespace, name, value):
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    """ (deprecated) rebind the 'name' on the 'namespace'  to the 'value',
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        possibly and remember the original value. Multiple
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        invocations to the same namespace/name pair will
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        remember a list of old values.
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    """
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    py.log._apiwarn("1.1", 
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        "py.magic.patch() is deprecated, in tests use monkeypatch funcarg.", 
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        stacklevel=2, 
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    )
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    nref = (namespace, name)
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    orig = getattr(namespace, name)
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    patched.setdefault(nref, []).append(orig)
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    setattr(namespace, name, value)
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    return orig
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def revert(namespace, name):
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    """ (deprecated) revert to the orginal value the last patch modified.
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        Raise ValueError if no such original value exists.
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    """
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    py.log._apiwarn("1.1", 
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        "py.magic.revert() is deprecated, in tests use monkeypatch funcarg.",
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        stacklevel=2, 
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    )
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    nref = (namespace, name)
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    if nref not in patched or not patched[nref]:
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        raise ValueError("No original value stored for %s.%s" % nref)
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    current = getattr(namespace, name)
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    orig = patched[nref].pop()
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    setattr(namespace, name, orig)
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    return current
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