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tracemalloc.cpython-38.opt-1.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. N)r rB )�objrG r r r �get_object_traceback� s r] c @ s` e Zd ZdZdZdd� Zedd� �Zedd� �Zed d � �Z d d � Z d d� Z dd� Z dd� Z dS )�Tracez" Trace of a memory block. ��_tracec C s || _ d S r r_ �r rL r r r r s zTrace.__init__c C s | j d S r- r_ r r r r �domain s z Trace.domainc C s | j d S r< r_ r r r r r s z Trace.sizec C s t | jd �S )N� )rB r` r r r r r s zTrace.tracebackc C s | j |j kS r r_ r r r r r s z Trace.__eq__c C s t | j�S r )r r` r r r r r s zTrace.__hash__c C s d| j t| jd�f S )Nz%s: %sF)r r r r r r r r s z Trace.__str__c C s d| j t| jd�| jf S )Nz'<Trace domain=%s size=%s, traceback=%r>F)rb r r r r r r r r! s �zTrace.__repr__N)r$ r% r& r' r( r rA rb r r r r r r! r r r r r^ � s r^ c @ s< e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd S )�_Tracesc C s t �| � || _d S r )r r �_traces)r �tracesr r r r s z_Traces.__init__c C s t | j�S r )rH re r r r r rI % s z_Traces.__len__c C s4 t |t�r"tdd� | j| D ��S t| j| �S d S )Nc s s | ]}t |�V qd S r )r^ rJ r r r rM * s z&_Traces.__getitem__.<locals>.<genexpr>)rN rO rE re r^ rP r r r rR ( s z_Traces.__getitem__c C s |j | jkS r )r` re ra r r r rS . s z_Traces.__contains__c C s | j |j kS r )re r r r r r 1 s z_Traces.__eq__c C s dt | � S )Nz<Traces len=%s>)rH r r r r r! 4 s z_Traces.__repr__N) r$ r% r& r rI rR rS r r! r r r r rd s rd c C s& t j�| �} | �d�r"| d d� } | S )Nz.pyc���)�os�path�normcase�endswith)r; r r r �_normalize_filename8 s rl c @ s e Zd Zdd� Zdd� ZdS )� BaseFilterc C s || _ d S r )� inclusive)r rn r r r r @ s zBaseFilter.__init__c C s t �d S r )�NotImplementedErrorra r r r �_matchC s zBaseFilter._matchN)r$ r% r& r rp r r r r rm ? s rm c sJ e Zd Zd� fdd� Zedd� �Zdd� Zd d � Zd d � Zd d� Z � Z S )�FilterNFc s2 t � �|� || _t|�| _|| _|| _|| _d S r )�superr rn rl �_filename_patternr> � all_framesrb )r rn �filename_patternr> rt rb �� __class__r r r H s zFilter.__init__c C s | j S r )rs r r r r ru Q s zFilter.filename_patternc C s6 t |�}t�|| j�sdS | jd kr(dS || jkS d S )NFT)rl �fnmatchrs r> �r r; r> r r r �_match_frame_implU s zFilter._match_frame_implc C s | � ||�| j A S r )rz rn ry r r r � _match_frame^ s zFilter._match_framec sH � j r,t� fdd�|D ��r"� jS � j S n|d \}}� �||�S d S )Nc 3 s | ]\}}� � ||�V qd S r )rz )rK r; r> r r r rM c s �z*Filter._match_traceback.<locals>.<genexpr>r )rt �anyrn r{ )r r r; r> r r r �_match_tracebacka s � zFilter._match_tracebackc C sD |\}}}| � |�}| jd k r@| jr2|o0|| jkS |p>|| jkS |S r )r} rb rn )r rL rb r r �resr r r rp l s z Filter._match)NFN) r$ r% r& r rA ru rz r{ r} rp � __classcell__r r rv r rq G s � rq c s0 e Zd Z� fdd�Zedd� �Zdd� Z� ZS )� DomainFilterc s t � �|� || _d S r )rr r �_domain)r rn rb rv r r r x s zDomainFilter.__init__c C s | j S r )r� r r r r rb | s zDomainFilter.domainc C s |\}}}|| j k| j A S r )rb rn )r rL rb r r r r r rp � s zDomainFilter._match)r$ r% r& r rA rb rp r r r rv r r� w s r� c @ sX e Zd ZdZdd� Zdd� Zedd� �Zdd � Zd d � Z d d � Z ddd�Z ddd�Z dS )�SnapshotzB Snapshot of traces of memory blocks allocated by Python. c C s t |�| _|| _d S r )rd rf �traceback_limit)r rf r� r r r r � s zSnapshot.__init__c C s* t |d��}t�| |tj� W 5 Q R X dS )z1 Write the snapshot into a file. �wbN)�open�pickle�dumpZHIGHEST_PROTOCOL)r r; �fpr r r r� � s z Snapshot.dumpc C s, t | d��}t�|�W 5 Q R � S Q R X dS )z. Load a snapshot from a file. �rbN)r� r� �load)r; r� r r r r� � s z Snapshot.loadc s@ |r t � fdd�|D ��s dS |r<t � fdd�|D ��r<dS dS )Nc 3 s | ]}|� � �V qd S r �rp �rK � trace_filter�rL r r rM � s �z)Snapshot._filter_trace.<locals>.<genexpr>Fc 3 s | ]}|� � � V qd S r r� r� r� r r rM � s �T)r| )r �include_filters�exclude_filtersrL r r� r � _filter_trace� s � �zSnapshot._filter_tracec s� t |t�s tdt|�j ��|rjg �g � |D ] }|jrB��|� q,� �|� q,� ��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 )r� rJ �r� r� r r r � <listcomp>� s ��z*Snapshot.filter_traces.<locals>.<listcomp>) rN r � TypeError�typer$ rn r0 rf re �copyr� r� )r �filtersr� Z new_tracesr r� r � filter_traces� s � zSnapshot.filter_tracesc C s� |dkrt d|f ��|r.|dkr.t d| ��i }i }|�s| jjD ]�}|\}}}z || } W nZ tk r� |dkr||} n(|dkr�|d d� } n|d d dff} t| �} | ||< Y nX z(|| } | j|7 _| jd7 _W qD tk �r t| |d�|| < Y qDX qDn�| jjD ]�}|\}}}|D ]�} z || } W nF tk �r~ |dk�r\| f} n| d dff} t| �} | || < Y nX z(|| } | j|7 _| jd7 _W n& tk �r� t| |d�|| < Y nX �q(�q|S ) N)r r; r> zunknown key_type: %r)r> r; z/cumulative mode cannot by used with key type %rr r> r= r )� ValueErrorrf re �KeyErrorrB r r r ) r �key_type� cumulativeZstatsZ tracebacksrL rb r Ztrace_tracebackr rG r4 r: r r r � _group_by� sZ � 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� Zgroupedr3 r r r r3 � 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. Tr� )r� r5 r� r) r" )r Z old_snapshotr� r� r2 r1 r3 r r r � compare_to s zSnapshot.compare_toN)F)F) r$ r% r& r' r r� � staticmethodr� r� r� r� r3 r� r r r r r� � s 3 r� 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_limitr� )rf r� r r r � take_snapshot s r� ) Zcollections.abcr r � functoolsr rx rU Zos.pathrh r� Z _tracemallocr r r r r) r5 r6 rB r] r^ rd rl rm rq r� r� r� r r r r �<module> s2 &0"?%0
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