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tracemalloc.cpython-310.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 rX )�objr] 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 rE r r� �r rg r r r r s zTrace.__init__c C rI r8 r� r r r r �domain rH z Trace.domainc C rI rK r� r r r r r rH z Trace.sizec C s t | jdd � � S )N� )rX r� r r r r r # s zTrace.tracebackc C rN r )r! r� r" r� r# r r r r% ' rP z Trace.__eq__c C rS r )r r� r r r r r , rT 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)r� r r r r r r r r+ 2 s �zTrace.__repr__N)r/ r0 r1 r2 r3 r rW r� 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 8 s z_Traces.__init__c C rS r )ra r� r r r r rb = rT z_Traces.__len__c C rc )Nc s rd r )r� re r r r rh B ri z&_Traces.__getitem__.<locals>.<genexpr>)r! rj r[ r� r� rk r r r rm @ rn z_Traces.__getitem__c C ro r )r� r� r� r r r rp F rq z_Traces.__contains__c C rN r )r! r� r" r� r# r r r r% I rP z_Traces.__eq__c C s dt | � S )Nz<Traces len=%s>)ra r r r r r+ N rq z_Traces.__repr__N) r/ r0 r1 r rb rm rp r% r+ r r r r r� 7 s r� c C s& t j�| �} | �d�r| d d� } | S )Nz.pyc���)�os�path�normcase�endswith)rJ r r r �_normalize_filenameR s r� c @ s e Zd Zdd� Zdd� ZdS )� BaseFilterc C rE r )� inclusive)r r� r r r r Z rT zBaseFilter.__init__c C s t �r )�NotImplementedErrorr� r r r �_match] s zBaseFilter._matchN)r/ r0 r1 r r� r r r r r� Y s r� c sL e Zd Z d� fdd� Zedd� �Zdd� Zd d � Zd d � Zd d� Z � Z S )�FilterNFc s2 t � �|� || _t|�| _|| _|| _|| _d S r )�superr r� r� �_filename_patternrM � all_framesr� )r r� �filename_patternrM r� r� �� __class__r r r b s zFilter.__init__c C r_ r )r� r r r r r� k r` zFilter.filename_patternc C s2 t |�}t�|| j�s dS | jd u rdS || jkS )NFT)r� �fnmatchr� rM �r rJ rM r r r �_match_frame_implo s zFilter._match_frame_implc C s | � ||�| j A S r )r� r� r� r r r � _match_framex r zFilter._match_framec sB � j rt� fdd�|D ��r� jS � j S |d \}}� �||�S )Nc 3 s � | ] \}}� � ||�V qd S r )r� )rf rJ rM r r r rh } s � �z*Filter._match_traceback.<locals>.<genexpr>r )r� �anyr� r� )r r rJ rM r r r �_match_traceback{ s � zFilter._match_tracebackc C sF |\}}}}| � |�}| jd ur!| jr|o|| jkS |p || jkS |S r )r� r� r� )r rg r� r r r^ �resr r r r� � s z Filter._match)NFN) r/ r0 r1 r rW r� r� r� r� r� � __classcell__r r r� r r� a s � r� c s0 e Zd Z� fdd�Zedd� �Zdd� Z� ZS )� DomainFilterc s t � �|� || _d S r )r� r �_domain)r r� r� r� r r r � s zDomainFilter.__init__c C r_ r )r� r r r r r� � r` zDomainFilter.domainc C s |\}}}}|| j k| j A S r )r� r� )r rg r� r r r^ r r r r� � s zDomainFilter._match)r/ r0 r1 r rW r� r� 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 )r� r� �traceback_limit)r r� r� r r r r � s zSnapshot.__init__c C s@ t |d��}t�| |tj� W d � dS 1 sw Y dS )z1 Write the snapshot into a file. �wbN)�open�pickle�dump�HIGHEST_PROTOCOL)r rJ �fpr r r r� � s "�z Snapshot.dumpc C s8 t | d�� }t�|�W d � S 1 sw Y dS )z. Load a snapshot from a file. �rbN)r� r� �load)rJ r� r r r r� � s $�z Snapshot.loadc s@ |rt � fdd�|D ��sdS |r t � fdd�|D ��r dS dS )Nc 3 s � | ]}|� � �V qd S r �r� �rf � trace_filter�rg r r rh � s � �z)Snapshot._filter_trace.<locals>.<genexpr>Fc 3 s � | ] }|� � � V qd S r r� r� r� r r rh � s � �T)r� )r �include_filters�exclude_filtersrg r r� r � _filter_trace� s � �zSnapshot._filter_tracec s� t |t�stdt|�j ��|r5g �g � |D ]}|jr!��|� 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� re �r� r� r r r � <listcomp>� s � �z*Snapshot.filter_traces.<locals>.<listcomp>) r! r � TypeError�typer/ r� r; r� r� �copyr� r� )r �filtersr� � new_tracesr r� r � filter_traces� s � zSnapshot.filter_tracesc C s� |dvr t d|f ��|r|dvrt d| ��i }i }|s�| jjD ]`}|\}}}} z|| } W n, ty[ |dkr=|} n|dkrH|d d� } n |d d dff} t| �} | ||< Y nw z|| } | j|7 _| jd7 _W q! ty� t| |d�|| < Y q!w |S | jjD ]Y}|\}}}} |D ]N} z|| } W n ty� |dkr�| f} n| d dff} t| �} | || < Y nw z|| } | j|7 _| jd7 _W q� ty� t| |d�|| < Y q�w q�|S ) N)r rJ rM zunknown key_type: %r)rM rJ z/cumulative mode cannot by used with key type %rr rM rL r )� ValueErrorr� r� �KeyErrorrX r r r )r �key_type� cumulative�stats� tracebacksrg r� r �trace_tracebackr^ r r] r? rG r r r � _group_by� sf � � � � � ��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� �groupedr> 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. Tr� )r� rA r� r4 r, )r � old_snapshotr� r� r= r< r> r r r � compare_to s zSnapshot.compare_toN)F) r/ r0 r1 r2 r r� � staticmethodr� r� r� r� r> 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 �get_traceback_limitr� )r� r� r r r � take_snapshot' s r� ) �collections.abcr r � functoolsr r� rv �os.pathr� r� � _tracemallocr r r r r4 rA rB rX r� r� r� r� r� r� r� r� r� r r r r �<module> s4 (2&M'0