Edit File: tracemalloc.cpython-37.pyc
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Return a Traceback instance. Return None if the tracemalloc module is not tracing memory allocations or did not trace the allocation of the object. 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Load a snapshot from a file. �rbN)rq rr �load)r1 rt r r r rv � s z Snapshot.loadc s@ |r t � fdd�|D ��s dS |r<t � fdd�|D ��r<dS dS )Nc 3 s | ]}|� � �V qd S )N)r_ )r= � trace_filter)r> r r r? � s z)Snapshot._filter_trace.<locals>.<genexpr>Fc 3 s | ]}|� � � V qd S )N)r_ )r= rw )r> r r r? � s T)ri )r �include_filters�exclude_filtersr> r )r> r � _filter_trace� s zSnapshot._filter_tracec s� t |t�s tdt|�j ��|rng �g � x(|D ] }|jrD��|� q.� �|� q.W � ��fdd��jjD �}n �jj� � }t |�j �S )z� Create a new Snapshot instance with a filtered traces sequence, filters is a list of Filter or DomainFilter instances. 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Return a sorted list of Statistic instances. T)�reverse�key)r� �list�values�sortr r )r r� r� Zgroupedr+ r r r r+ � s zSnapshot.statisticsc C s6 | � ||�}|� ||�}t||�}|jdtjd� |S )z� Compute the differences with an old snapshot old_snapshot. Get statistics as a sorted list of StatisticDiff instances, grouped by group_by. T)r� r� )r� r- r� r# r )r Z old_snapshotr� r� r* r) r+ r r r � compare_to s zSnapshot.compare_toN)F)F) r r r r! r rs � staticmethodrv rz r� r� r+ r� r r r r rn � s 3 rn c C s$ t � std��t� } t� }t| |�S )zI Take a snapshot of traces of memory blocks allocated by Python. zLthe tracemalloc module must be tracing memory allocations to take a snapshot)� is_tracing� RuntimeErrorr Zget_traceback_limitrn )rU ro r r r � take_snapshot s r� ) Zcollections.abcr r � functoolsr rf rF Zos.pathrW rr Z _tracemallocr r r r r# r- r. r6 rN rO rS r[ r\ r` rl rn r� r r r r �<module> s0 &0# ?%0