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Tr �r �resourcer r r r �is_stale# s zResourceCache.is_stalec C s� |j �|�\}}|dkr |}n~tj�| j| �|�|�}tj�|�}tj�|�sXt� |� tj� |�sjd}n | � ||�}|r�t |d��}|� |j� W 5 Q R X |S )z� Get a resource into the cache, :param resource: A :class:`Resource` instance. :return: The pathname of the resource in the cache. NT�wb)�finder�get_cache_infor r r r Z prefix_to_dir�dirname�isdir�makedirs�existsr �open�write�bytes)r r �prefixr �resultr Zstale�fr r r �get. s zResourceCache.get)N)�__name__� __module__� __qualname__r r r& � __classcell__r r r r r s r c @ s e Zd Zdd� ZdS )� ResourceBasec C s || _ || _d S �N)r �name)r r r- r r r r I s zResourceBase.__init__N)r' r( r) r r r r r r+ H s r+ c @ s@ e Zd ZdZdZdd� Zedd� �Zedd� �Zed d � �Z d S ) �Resourcez� A class representing an in-package resource, such as a data file. This is not normally instantiated by user code, but rather by a :class:`ResourceFinder` which manages the resource. Fc C s | j �| �S )z� Get the resource as a stream. 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N s r. c @ s e Zd ZdZedd� �ZdS )�ResourceContainerTc C s | j �| �S r, )r � get_resourcesr0 r r r � resourcesr s zResourceContainer.resourcesN)r' r( r) r8 r r; r r r r r9 o s r9 c @ s� e Zd ZdZej�d�r dZndZdd� Zdd� Z d d � Z d d � Z d d� Z dd� Z dd� Zdd� Zdd� Zdd� Zdd� Zeejj�Zdd � Zd S ) �ResourceFinderz4 Resource finder for file system resources. �java)�.pyc�.pyoz.class)r> r? c C s. || _ t|dd �| _tj�t|dd��| _d S )N� __loader__�__file__� )�module�getattr�loaderr r r r )r rC r r r r � s zResourceFinder.__init__c C s t j�|�S r, )r r �realpath�r r r r r � _adjust_path� s zResourceFinder._adjust_pathc C sB t |t�rd}nd}|�|�}|�d| j� tjj|� }| �|�S )N� /�/r ) � isinstancer" �split�insertr r r r rH )r � resource_name�sep�partsr$ r r r � _make_path� s zResourceFinder._make_pathc C s t j�|�S r, )r r r rG r r r �_find� s zResourceFinder._findc C s d |j fS r, )r �r r r r r r � s z ResourceFinder.get_cache_infoc C sD | � |�}| �|�sd }n&| �|�r0t| |�}n t| |�}||_|S r, )rQ rR � _is_directoryr9 r. r )r rN r r$ r r r �find� s zResourceFinder.findc C s t |jd�S �N�rb)r r rS r r r r/ � s zResourceFinder.get_streamc C s, t |jd��}|�� W 5 Q R � S Q R X d S rV )r r �read)r r r% r r r r4 � s zResourceFinder.get_bytesc C s t j�|j�S r, )r r �getsizerS r r r r5 � s zResourceFinder.get_sizec s* �fdd�� t � fdd�t�|j�D ��S )Nc s | dko| � � j� S )N� __pycache__)�endswith�skipped_extensions)r% r0 r r �allowed� s �z-ResourceFinder.get_resources.<locals>.allowedc s g | ]}� |�r|�qS r r )�.0r% )r] r r � <listcomp>� s z0ResourceFinder.get_resources.<locals>.<listcomp>)�setr �listdirr rS r )r] r r r: � s z ResourceFinder.get_resourcesc C s | � |j�S r, )rT r rS r r r r8 � s zResourceFinder.is_containerc c s� | � |�}|d k r�|g}|r�|�d�}|V |jr|j}|jD ]>}|sL|}nd�||g�}| � |�}|jrv|�|� q>|V q>qd S )Nr rJ )rU �popr8 r- r; r �append)r rN r ZtodoZrnamer- �new_nameZchildr r r �iterator� s zResourceFinder.iteratorN)r' r( r) r7 �sys�platform� startswithr\ r rH rQ rR r rU r/ r4 r5 r: r8 � staticmethodr r r rT re r r r r r< w s" r< c s` e Zd ZdZ� fdd�Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z � Z S )�ZipResourceFinderz6 Resource finder for resources in .zip files. c sZ t t| ��|� | jj}dt|� | _t| jd�r>| jj| _n t j | | _t | j�| _ d S )Nr �_files) r rj r rE �archive�len� prefix_len�hasattrrk � zipimport�_zip_directory_cache�sorted�index)r rC rl r r r r � s zZipResourceFinder.__init__c C s |S r, r rG r r r rH � s z ZipResourceFinder._adjust_pathc C s� || j d � }|| jkr d}nX|r:|d tjkr:|tj }t�| j|�}z| j| �|�}W n tk rt d}Y nX |s�t� d|| j j � nt� d|| j j � |S )NT���Fz_find failed: %r %rz_find worked: %r %r) rn rk r rO �bisectrs rh � IndexError�logger�debugrE r# )r r r$ �ir r r rR � s zZipResourceFinder._findc C s& | j j}|jdt|� d � }||fS )Nr )rE rl r rm )r r r# r r r r r � s z ZipResourceFinder.get_cache_infoc C s | j �|j�S r, )rE �get_datar rS r r r r4 � s zZipResourceFinder.get_bytesc C s t �| �|��S r, )�io�BytesIOr4 rS r r r r/ � s z ZipResourceFinder.get_streamc C s |j | jd � }| j| d S )N� )r rn rk r r r r r5 s zZipResourceFinder.get_sizec C s� |j | jd � }|r,|d tjkr,|tj7 }t|�}t� }t�| j|�}|t| j�k r�| j| �|�shq�| j| |d � }|� |� tjd�d � |d7 }qH|S )Nrt r r ) r rn r rO rm r` ru rs rh �addrL )r r r Zplenr$ ry �sr r r r: s z ZipResourceFinder.get_resourcesc C sj || j d � }|r*|d tjkr*|tj7 }t�| j|�}z| j| �|�}W n tk rd d}Y nX |S )Nrt F)rn r rO ru rs rh rv )r r ry r$ r r r rT s z ZipResourceFinder._is_directory)r' r( r) r7 r rH rR r r4 r/ r5 r: rT r* r r r r rj � s rj c C s |t t| �< d S r, )�_finder_registry�type)rE � finder_makerr r r �register_finder0 s r� c C s� | t krt | }nv| tjkr$t| � tj| }t|dd�}|dkrJtd��t|dd�}t�t|��}|dkrxtd| ��||�}|t | < |S )z� Return a resource finder for a package. :param package: The name of the package. :return: A :class:`ResourceFinder` instance for the package. �__path__Nz8You cannot get a finder for a module, only for a packager@ z Unable to locate finder for %r) � _finder_cacherf �modules� __import__rD r r� r& r� )�packager$ rC r rE r� r r r r 6 s r Z __dummy__c C sR d}t �| � tj�| �}t�t|��}|rNt}tj � | d�|_ ||_ ||�}|S )z� Return a resource finder for a path, which should represent a container. :param path: The path. :return: A :class:`ResourceFinder` instance for the path. NrB ) �pkgutilZ get_importerrf �path_importer_cacher& r� r� � _dummy_moduler r r rA r@ )r r$ rE r rC r r r �finder_for_pathR s r� ).Z __future__r ru r{ Zloggingr r� Zshutilrf �typesrp rB r �utilr r r r Z getLoggerr' rw r2 r �objectr+ r. r9 r< rj r� � zipimporterr� �_frozen_importlib_externalZ_fi� ImportError�_frozen_importlib�SourceFileLoader� FileFinder�AttributeErrorr� r� r � ModuleTyper r� r� r r r r �<module> sN ,!ZN �
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