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tracemalloc.cpython-39.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 rE )�objrJ r r r �get_object_traceback s rd 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 rf �r rP r r r r s zTrace.__init__c C s | j d S r/ rf r r r r �domain s z Trace.domainc C s | j d S r> rf r r r r r s z Trace.sizec C s t | jdd � � S )N� )rE rg r r r r r # s zTrace.tracebackc C s t |t�stS | j|jkS r )r re r rg r r r r r ' s z Trace.__eq__c C s t | j�S r )r rg 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)ri r r r r r r r r# 2 s �zTrace.__repr__N)r& r' r( r) r* r rD ri r r r r r" r# r r r r re s re 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 8 s z_Traces.__init__c C s t | j�S r )rL rl r r r r rM = 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 )re rN r r r rQ B rR z&_Traces.__getitem__.<locals>.<genexpr>)r rS rH rl re rT r r r rV @ s z_Traces.__getitem__c C s |j | jv S r )rg rl rh r r r rW F s z_Traces.__contains__c C s t |t�stS | j|jkS r )r rk r rl r r r r r I s z_Traces.__eq__c C s dt | � S )Nz<Traces len=%s>)rL r r r r r# N s z_Traces.__repr__N) r& r' r( r rM rV rW r r# r r r r rk 7 s rk c C s& t j�| �} | �d�r"| d d� } | S )Nz.pyc���)�os�path�normcase�endswith)r= r r r �_normalize_filenameR s rs c @ s e Zd Zdd� Zdd� ZdS )� BaseFilterc C s || _ d S r )� inclusive)r ru r r r r Z s zBaseFilter.__init__c C s t �d S r )�NotImplementedErrorrh r r r �_match] s zBaseFilter._matchN)r& r' r( r rw r r r r rt Y s rt 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 ru rs �_filename_patternr@ � all_framesri )r ru �filename_patternr@ r{ ri �� __class__r r r b s zFilter.__init__c C s | j S r )rz r r r r r| k s zFilter.filename_patternc C s6 t |�}t�|| j�sdS | jd u r(dS || jkS d S )NFT)rs �fnmatchrz r@ �r r= r@ r r r �_match_frame_implo s zFilter._match_frame_implc C s | � ||�| j A S r )r� ru r� r r r � _match_framex 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 )r� )rO r= r@ r r r rQ } s �z*Filter._match_traceback.<locals>.<genexpr>r )r{ �anyru r� )r r r= r@ r r r �_match_traceback{ s � zFilter._match_tracebackc C sF |\}}}}| � |�}| jd urB| jr4|o2|| jkS |p@|| jkS |S r )r� ri ru )r rP ri r r rK �resr r r rw � s z Filter._match)NFN) r& r' r( r rD r| r� r� r� rw � __classcell__r r r} r rx a s � rx c s0 e Zd Z� fdd�Zedd� �Zdd� Z� ZS )� DomainFilterc s t � �|� || _d S r )ry r �_domain)r ru ri r} r r r � s zDomainFilter.__init__c C s | j S r )r� r r r r ri � s zDomainFilter.domainc C s |\}}}}|| j k| j A S r )ri ru )r rP ri r r rK r r r rw � s zDomainFilter._match)r& r' r( r rD ri rw r� r r r} r r� � 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 )rk rm �traceback_limit)r rm r� r r r r � s zSnapshot.__init__c C s> t |d�� }t�| |tj� W d � n1 s00 Y dS )z1 Write the snapshot into a file. �wbN)�open�pickle�dumpZHIGHEST_PROTOCOL)r r= �fpr r r r� � s z Snapshot.dumpc C s8 t | d��}t�|�W d � S 1 s*0 Y 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 �rw �rO � trace_filter�rP r r rQ � s �z)Snapshot._filter_trace.<locals>.<genexpr>Fc 3 s | ]}|� � � V qd S r r� r� r� r r rQ � s �T)r� )r �include_filters�exclude_filtersrP 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� rN �r� r� r r r � <listcomp>� s ��z*Snapshot.filter_traces.<locals>.<listcomp>) r r � TypeError�typer& ru r2 rm rl �copyr� r� )r �filtersr� Z new_tracesr r� r � filter_traces� s � zSnapshot.filter_tracesc C s� |dvrt d|f ��|r.|dvr.t d| ��i }i }|�s | jjD ]�}|\}}}} z || } W nX ty� |dkr||} n(|dkr�|d d� } n|d d dff} t| �} | ||< Y n0 z(|| } | j|7 _| jd7 _W qD t�y t| |d�|| < Y qD0 qDn�| jjD ]�}|\}}}} |D ]�} z || } W nD t�y| |dk�rZ| f} n| d dff} t| �} | || < Y n0 z(|| } | j|7 _| jd7 _W n$ t�y� t| |d�|| < Y n0 �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 )� ValueErrorrm rl �KeyErrorrE r r r )r �key_type� cumulativeZstatsZ tracebacksrP ri r Ztrace_tracebackrK r rJ r6 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� Zgroupedr5 r r r r5 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� r7 r� r+ r$ )r Z old_snapshotr� r� r4 r3 r5 r r r � compare_to s zSnapshot.compare_toN)F)F) r& r' r( r) r r� � staticmethodr� r� r� r� r5 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� )rm r� r r r � take_snapshot' s r� ) �collections.abcr r � functoolsr r r\ Zos.pathro r� Z _tracemallocr r r r r+ r7 r8 rE rd re rk rs rt rx r� r� r� r r r r �<module> s2 (2&M'0
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