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If a given key is a dict within ``dobj``, then _all_ elements within that dict, regardless of child keys, will be returned. For example, if a Plugin searches the devices dict for the 'storage' key, then all storage devices under the that dict (e.g. block, fibre, etc...) will be returned. However, if the Plugin specifies 'block' via ``keys``, then only the block devices within the devices['storage'] dict will be returned. Any elements passed here that are _not_ keys within the dict or any nested dicts will also be returned. :param dobj: The 'top-level' dict to intially search by :type dobj: ``dict`` :param keys: Which keys to compile elements from within ``dobj``. If no keys are given, all nested elements are returned :param keys: ``list`` of ``str`` :returns: All elements within the dict and any nested dicts :rtype: ``list`` c 3 s � | ] }|� v r� | V qd S rk r: )rn r )�vr: r; rr A s � �z/recursive_dict_values_by_key.<locals>.<genexpr>r c s g | ]}|� vr|�qS r: r: )rn �d)�_filtr: r; r� M s z0recursive_dict_values_by_key.<locals>.<listcomp>)r� rO �dictr\ r� r � IndexError�keys)�dobjrQ �_items�kr: )rN rL r; r s2 ��� ��� r c @ s8 e Zd ZdZdd� Zedd� �Zdd� Zedd � �Zd S ) r� z�Used when we are writing directly to disk without sizelimits, this allows us to keep more simplified flows for executing, monitoring, and collecting command output. c C s || _ || _d S rk )�processrj )�selfrU rj r: r: r; �__init__V � zFakeReader.__init__c C s dS )NFr: �rV r: r: r; r� Z s zFakeReader.is_fullc C � | j sdS dS �Nr� r� �rj rY r: r: r; r� ^ rJ zFakeReader.get_contentsc C s | j �� d u S rk )rU r� rY r: r: r; r� a s zFakeReader.runningN) r+ r � __qualname__�__doc__rW �propertyr� r� r� r: r: r: r; r� P s r� c s@ e Zd ZdZdZ� fdd�Zdd� Zdd� Zed d � �Z � Z S ) r� zzUsed to 'head' the command output (f_src) to a given size without deadlocking sos. 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Takes a sizelimit value in MB, and will compile stdout from Popen into a string that is limited to the given sizelimit. c s^ t � �� || _|| _d| _d | _|r |d }t|| j �| _t| jd�| _d| _| � � d S )Ni rV )�maxlenT) r` rW �chanrj � chunksize�slots�intr r� rb )rV �channelr� rj rc r: r; rW � s zTailReader.__init__c C sJ z | j �| j�}|s n| j�|� qW n ttfy Y nw d| _dS )al Reads from the channel (pipe) that is the output pipe for a called Popen. As we are reading from the pipe, the output is added to a deque. After the size of the deque exceeds the sizelimit earlier (older) entries are removed. This means the returned output is chunksize-sensitive, but is not really byte-sensitive. TFN)rk rG rl r r� � ValueErrorrQ r� )rV r� r: r: r; rh � s �� zTailReader.runc C sH | j r t�d� | j s| jsd�dd� | jD ��S d�dd� | jD ��S )z-Returns the contents of the deque as a stringr� r� c s s � | ] }|� d d�V qdS )rL �ignoreN)�decode�rn �lnr: r: r; rr � rs z*TailReader.get_contents.<locals>.<genexpr>r� c s s � | ]}|V qd S rk r: rs r: r: r; rr � s � )r� r� r� rj r� r rY r: r: r; r� � s �zTailReader.get_contentsc C s | j sdS t| j�| j kS )z?Checks if the deque is full, implying that output was truncatedF)rm rf r rY r: r: r; r� � s zTailReader.is_full) r+ r r] r^ rW rh r� r_ r� ri r: r: rc r; r� � s r� c @ s8 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd S ) r z�Provides a list of modules that can be imported in a package. Importable modules are located along the module __path__ list and modules are files that end in .py. c C s || _ dS )zopackage is a package module import my.package.module helper = ImporterHelper(my.package.module)N)�package)rV ru r: r: r; rW � s zImporterHelper.__init__c C s t j�|�}t j�|�\}}|S )z-Returns the plugin module name given the path)rC r| �basename�splitext)rV r| �baser� r4 r: r: r; � _plugin_name� s zImporterHelper._plugin_namec s � fdd�|D �}|� � |S )Nc s( g | ]}d |vr|� d�r� �|��qS )rW z.py)�endswithry )rn �pluginrY r: r; r� � s �z9ImporterHelper._get_plugins_from_list.<locals>.<listcomp>)�sort)rV �list_�pluginsr: rY r; �_get_plugins_from_list� s �z%ImporterHelper._get_plugins_from_listc C s0 t j�|�rttd|��}| �|�}|r|S g S )Nz*.py)rC r| rB �listr r )rV r| �py_files�pnamesr: r: r; �_find_plugins_in_dir� s z#ImporterHelper._find_plugins_in_dirc C s2 g }| j jD ]}tj�|�r|�| �|�� q|S )zQReturns the list of importable modules in the configured python package. )ru �__path__rC r| rE r� r� )rV r~ r| r: r: r; � get_modules� s �zImporterHelper.get_modulesN) r+ r r] r^ rW ry r r� r� r: r: r: r; r � s r c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )r c C s || _ g | _d S rk )�tmp_dir�files)rV r� r: r: r; rW � rX zTempFileUtil.__init__c C s2 t j| jd�\}}t�|d�}| j�||f� |S )Nr� zw+)r� �mkstempr� rC �fdopenr� r� )rV �fdrg �fobjr: r: r; �new� s zTempFileUtil.newc C sb | j D ](\}}z |�� |�� W n ty Y nw zt�|� W q ty+ Y qw g | _ d S rk )r� r r� r/ rC �unlink)rV rg rJ r: r: r; �clean s � � zTempFileUtil.cleanN)r+ r r] rW r� r� r: r: r: r; r � s r c @ s e Zd ZdS )r N)r+ r r] r: r: r: r; r s r )T)rK )NNrk )F)r2 NN)rA )LrC r� r* r, � subprocessr r r �loggingr� r� r� r� r� � threadingr� rR r � contextlibr � collectionsr �packaging.versionr r r( � pkg_resources� getLoggerr0 ru rv rw �__file__�AttributeError�textwrapr �msg�warningr �__all__r< r? r$ r rb ri r r r r rP r� r" r# r r! r r| rA r r r r r r r r r r� �Threadr� r� r r r� r r: r: r: r; �<module> s� � � " � * 6%<,
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