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4 A context manager for handling sys.displayhook.
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6 Authors:
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8 * Robert Kern
9 * Brian Granger
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13 � Z S )� DisplayTrapz�Object to manage sys.displayhook.
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15 This came from IPython.core.kernel.display_hook, but is simplified
16 (no callbacks or formatters) until more of the core is refactored.
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20 �set�r r r r � __enter__0 s
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22 �unset)r �type�value� tracebackr r r �__exit__6 s
23 zDisplayTrap.__exit__c C s$ t j| jurt j| _| jt _dS dS )z
24 Set the hook.N)�sys� displayhookr r r r r r r = s �zDisplayTrap.setc C s | j t_dS )zUnset the hook.N)r r r r r r r r C s zDisplayTrap.unset)N) �__name__�
25 __module__� __qualname__�__doc__r r r r r r r �
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