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'action' -- one of "error", "ignore", "always", "default", "module", or "once" 'message' -- a regex that the warning message must match 'category' -- a class that the warning must be a subclass of 'module' -- a regex that the module name must match 'lineno' -- an integer line number, 0 matches all warnings 'append' -- if true, append to the list of filters ��error�ignore�always�default�module�once�invalid action: %rzmessage must be a stringzcategory must be a classz#category must be a Warning subclasszmodule must be a stringr �lineno must be an int >= 0N��append) � isinstance�str�type� issubclass�Warning�int�re�compile�I� _add_filter)�actionr r r< r rA rH r r r r � s& �� r c C sH | dv sJ d| f ��t |t�r(|dks0J d��t| d|d||d� dS )a� Insert a simple entry into the list of warnings filters (at the front). A simple filter matches all modules and messages. 'action' -- one of "error", "ignore", "always", "default", "module", or "once" 'category' -- a class that the warning must be a subclass of 'lineno' -- an integer line number, 0 matches all warnings 'append' -- if true, append to the list of filters r7 r> r r? 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The 'record' argument specifies whether warnings should be captured by a custom implementation of warnings.showwarning() and be appended to a list returned by the context manager. Otherwise None is returned by the context manager. The objects appended to the list are arguments whose attributes mirror the arguments to showwarning(). The 'module' argument is to specify an alternative module to the module named 'warnings' and imported under that name. This argument is only useful when testing the warnings module itself. FN)�recordr< c C s( || _ |du rtjd n|| _d| _dS )z�Specify whether to record warnings and if an alternative module should be used other than sys.modules['warnings']. For compatibility with Python 3.0, please consider all arguments to be keyword-only. N�warningsF)�_recordr �modules�_module�_entered)r� r� r< r r r r� � s zcatch_warnings.__init__c C sP g }| j r|�d� | jtjd ur4|�d| j � t| �j}d|d�|�f S )Nz record=Truer� z module=%rz%s(%s)z, )r� rA r� r r� rD r! �join)r� rY �namer r r �__repr__� s zcatch_warnings.__repr__c C s~ | j rtd| ��d| _ | jj| _| jd d � | j_| j�� | jj| _| jj| _| j rvg }|j | j_| jj | j_|S d S d S )NzCannot enter %r twiceT) r� r� r� rM �_filtersrQ r � _showwarningr r� rA r/ )r� �logr r r � __enter__� s zcatch_warnings.__enter__c G s> | j std| ��| j| j_| j�� | j| j_| j| j_d S )Nz%Cannot exit %r without entering first) r� r� r� r� rM rQ r� r r )r� �exc_infor r r �__exit__� s zcatch_warnings.__exit__)r! rT rU rV r� r� r� r� r r r r r � s r c sz d� j � d�g}� jd urVdd l�dd l}� �fdd�}|�d� ||�t|� ��7 }d�|��d�}t |t d � d � d S ) Nz coroutine 'z' was never awaited r c 3 s4 t � j�D ]$\} }}��| |�}| |||fV q d S r )�reversed� cr_originr# )r r �funcnamer ��coror" r r �extract� s z*_warn_unawaited_coroutine.<locals>.extractz-Coroutine created at (most recent call last) r6 r � )r r� r& ) rU r� r" � tracebackrA � format_list�listr� �rstripr �RuntimeWarning)r� � msg_linesr� r� r r r� r �_warn_unawaited_coroutine� s � r� )rM �_defaultaction� _onceregistryr r rQ Tr; c C s t d7 a d S )Nr{ )r� r r r r rQ s rQ Zgettotalrefcount�__main__)r r< rA r9 )r rA )NN)N)Nr{ N)NNNN).rV r �__all__r r r r r/ r3 r4 r rF r r rK r r$ rS r[ rW ra rb rx rz r r �objectr r r� � _warningsrM r� r� rQ r� r� Z_warnings_defaultsrm r� � warnoptions�hasattr�DeprecationWarning�PendingDeprecationWarning� ImportWarning�ResourceWarningr r r r �<module> sj ; � # ) � GC �
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