Edit File: tracemalloc.cpython-37.pyc
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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. If filters is an empty list, return a new Snapshot instance with a copy of the traces. z)filters must be a list of filters, not %sc s g | ]}�� �� |�r|�qS r )rz )r= r> )ry rx r r r � <listcomp>� s z*Snapshot.filter_traces.<locals>.<listcomp>) r@ r � TypeError�typer r] r( rU rT �copyrn ro )r �filtersrw Z new_tracesr )ry rx r r � filter_traces� s zSnapshot.filter_tracesc C s� |dkrt d|f ��|r.|dkr.t d| ��i }i }|�sx�| jjD ]�}|\}}}y || } W nZ tk r� |dkr~|} n(|dkr�|d d� } n|d d dff} t| �} | ||< Y nX y(|| } | j|7 _| jd7 _W qF tk �r t| |d�|| < Y qFX qFW n�x�| jjD ]�}|\}}}x�|D ]�} y || } W nF tk �r� |dk�rd| f} n| d dff} t| �} | || < Y nX y(|| } | j|7 _| jd7 _W n& tk �r� t| |d�|| < Y nX �q0W �q W |S ) N)r r1 r3 zunknown key_type: %r)r3 r1 z/cumulative mode cannot by used with key type %rr r3 r2 r )� ValueErrorrU rT �KeyErrorr6 r r r ) r �key_type� cumulativeZstatsZ tracebacksr> rQ r Ztrace_tracebackr r: r, r0 r r r � _group_by� sX "zSnapshot._group_byFc C s, | � ||�}t|�� �}|jdtjd� |S )zd Group statistics by key_type. 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
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