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✏️ tracemalloc.cpython-36.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 r: )�objr< r r r �get_object_traceback� s rQ 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 )N)rS )r r@ r r r r � s zTrace.__init__c C s | j d S )Nr )rS )r r r r �domain� s z Trace.domainc C s | j d S )Nr6 )rS )r r r r r � s z Trace.sizec C s t | jd �S )N� )r: rS )r r r r r s zTrace.tracebackc C s | j |j kS )N)rS )r r r r r r s z Trace.__eq__c C s t | j�S )N)r rS )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)rT r r r )r r r r r s zTrace.__repr__N)rS )r" r# r$ r% r& r r9 rT r r r r r r r r r r rR � s rR c @ s< e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd S )�_Tracesc C s t j| � || _d S )N)r r �_traces)r �tracesr r r r s z_Traces.__init__c C s t | j�S )N)r= rW )r r r r r> 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 )N)rR )r? r@ r r r rA s z&_Traces.__getitem__.<locals>.<genexpr>)rB rC rD rW rR )r rE r r r rF s z_Traces.__getitem__c C s |j | jkS )N)rS rW )r r@ r r r rG $ s z_Traces.__contains__c C s | j |j kS )N)rW )r r r r r r ' s z_Traces.__eq__c C s dt | � S )Nz<Traces len=%s>)r= )r r r r r * s z_Traces.__repr__N) r" r# r$ r r> rF rG r r r r r r rV s rV c C s& t jj| �} | jd�r"| d d� } | S )Nz.pycr6 ���)�os�path�normcase�endswith)r5 r r r �_normalize_filename. s r^ c @ s e Zd Zdd� Zdd� ZdS )� BaseFilterc C s || _ d S )N)� inclusive)r r` r r r r 6 s zBaseFilter.__init__c C s t �d S )N)�NotImplementedError)r r@ r r r �_match9 s zBaseFilter._matchN)r" r# r$ r rb r r r r r_ 5 s r_ c sJ e Zd Zd� fdd� Zedd� �Zdd� Zd d � Zd d � Zd d� Z � Z S )�FilterNFc s2 t � j|� || _t|�| _|| _|| _|| _d S )N)�superr r` r^ �_filename_patternr7 � all_framesrT )r r` �filename_patternr7 rf rT )� __class__r r r > s zFilter.__init__c C s | j S )N)re )r r r r rg G s zFilter.filename_patternc C s6 t |�}tj|| j�sdS | jd kr(dS || jkS d S )NFT)r^ �fnmatchre r7 )r r5 r7 r r r �_match_frame_implK s zFilter._match_frame_implc C s | j ||�| j A S )N)rj r` )r r5 r7 r r r � _match_frameT s zFilter._match_framec sH � j r,t� fdd�|D ��r"� jS � j S n|d \}}� j||�S d S )Nc 3 s | ]\}}� j ||�V qd S )N)rj )r? r5 r7 )r r r rA Y s z*Filter._match_traceback.<locals>.<genexpr>r )rf �anyr` rk )r r r5 r7 r )r r �_match_tracebackW s zFilter._match_tracebackc C sD |\}}}| j |�}| jd k r@| jr2|o0|| jkS |p>|| jkS |S )N)rm rT r` )r r@ rT r r �resr r r rb b s z Filter._match)NFN) r" r# r$ r r9 rg rj rk rm rb � __classcell__r r )rh r rc = s rc c s0 e Zd Z� fdd�Zedd� �Zdd� Z� ZS )� DomainFilterc s t � j|� || _d S )N)rd r �_domain)r r` rT )rh r r r n s zDomainFilter.__init__c C s | j S )N)rq )r r r r rT r s zDomainFilter.domainc C s |\}}}|| j k| j A S )N)rT r` )r r@ rT r r r r r rb v s zDomainFilter._match)r" r# r$ r r9 rT rb ro r r )rh r rp m s rp 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 )N)rV rX �traceback_limit)r rX rs r r r r � s zSnapshot.__init__c C s* t |d��}tj| |tj� W dQ R X dS )z1 Write the snapshot into a file. �wbN)�open�pickle�dumpZHIGHEST_PROTOCOL)r r5 �fpr r r rw � s z Snapshot.dumpc C s t | d�� }tj|�S Q R X dS )z. Load a snapshot from a file. �rbN)ru rv �load)r5 rx r r r rz � s z Snapshot.loadc s@ |r t � fdd�|D ��s dS |r<t � fdd�|D ��r<dS dS )Nc 3 s | ]}|j � �V qd S )N)rb )r? � trace_filter)r@ r r rA � s z)Snapshot._filter_trace.<locals>.<genexpr>Fc 3 s | ]}|j � � V qd S )N)rb )r? r{ )r@ r r rA � s T)rl )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�j|� q.� j|� q.W � ��fdd��jjD �}n �jjj � }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 | ]}�j �� |�r|�qS r )r~ )r? r@ )r} r| r r r � <listcomp>� s z*Snapshot.filter_traces.<locals>.<listcomp>) rB r � TypeError�typer" r` r, rX rW �copyrr rs )r �filtersr{ Z new_tracesr )r} r| r r � filter_traces� s zSnapshot.filter_tracesc C s� |dkrt d|f ��|r.|d kr.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 ) Nr r5 r7 zunknown key_type: %rz/cumulative mode cannot by used with key type %rr6 r )r r5 r7 )r7 r5 )� ValueErrorrX rW �KeyErrorr: r r r ) r �key_type� cumulativeZstatsZ tracebacksr@ rT r Ztrace_tracebackr r< r0 r4 r r r � _group_by� sX "zSnapshot._group_byFc C s, | j ||�}t|j� �}|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 | j ||�}|j ||�}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� r1 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 rw � staticmethodrz r~ r� r� r/ r� r r r r rr { s 3 rr 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)Z is_tracing� RuntimeErrorr Zget_traceback_limitrr )rX rs r r r � take_snapshot s r� ) � collectionsr r � functoolsr ri rI Zos.pathrZ rv Z _tracemallocr r r r r' r1 r2 r: rQ rR rV r^ r_ rc rp rr r� r r r r �<module> s0 &0# 5%0
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