o
    NZh!                     @   s   d dl Z d dlZd dlZd dlZd dlZd dlmZ d dlmZm	Z	 d dl
mZ d dlmZ d dlmZmZmZmZ dd ZdaG d	d
 d
eZedg dG dd dejZG dd deZdS )    N)suppress)cached_propertywraps)parse_qs)AbstractFileSystem)"get_package_version_without_importinfer_storage_optionsmirror_fromtokenizec                    s   t   fdd}|S )Nc               
      s^   z | i |W S  t y. } z|js |j^}} t|tr)d|v r)ttj|| d }~ww )Nzdoes not exist)OSErrorargs
isinstancestrFileNotFoundErrorerrnoENOENT)r   kwargs	exceptionmessagefunc S/var/www/html/lang_env/lib/python3.10/site-packages/fsspec/implementations/arrow.pywrapper   s   
z wrap_exceptions.<locals>.wrapper)r   )r   r   r   r   r   wrap_exceptions   s   r   c                       s   e Zd ZdZdZ fddZedd Zedd Z	e
d	d
 Zd-ddZdd Zdd Zdd Zedd Zedd ZeZedd Zed.ddZed/dd Zed0d!d"Zed-d#d$Zed%d& Zed'd( Zd1 fd)d*	Z fd+d,Z  ZS )2ArrowFSWrapperzwFSSpec-compatible wrapper of pyarrow.fs.FileSystem.

    Parameters
    ----------
    fs : pyarrow.fs.FileSystem

    /c                    s$   t da|| _t jdi | d S )NZpyarrowr   )r   PYARROW_VERSIONfssuper__init__)selfr   r   	__class__r   r   r    3   s   zArrowFSWrapper.__init__c                 C   s   | j jS N)r   	type_namer!   r   r   r   protocol9   s   zArrowFSWrapper.protocolc                 C   s   dt | jj| jj S )NZhdfs_)r
   r   hostportr&   r   r   r   fsid=   s   zArrowFSWrapper.fsidc                 C   s*   t |}|d }|dr|dd  }|S )Npathz//   )r   
startswith)clsr+   opsr   r   r   _strip_protocolA   s
   
zArrowFSWrapper._strip_protocolFc                    sJ     |}ddlm}  fdd j||D }|r|S dd |D S )Nr   )FileSelectorc                    s   g | ]}  |qS r   )_make_entry.0entryr&   r   r   
<listcomp>N   s    z%ArrowFSWrapper.ls.<locals>.<listcomp>c                 S   s   g | ]}|d  qS )namer   r3   r   r   r   r6   U   s    )r0   
pyarrow.fsr1   r   get_file_info)r!   r+   detailr   r1   entriesr   r&   r   lsJ   s   

zArrowFSWrapper.lsc                 K   s$   |  |}| j|g\}| |S r$   )r0   r   r9   r2   )r!   r+   r   infor   r   r   r=   W   s   

zArrowFSWrapper.infoc                 C   s0   |  |}z| | W dS  ty   Y dS w )NFT)r0   r=   r   r!   r+   r   r   r   exists\   s   
zArrowFSWrapper.existsc                 C   sl   ddl m} |j|ju rd}n|j|ju rd}n|j|ju r*ttjt	
tj|jd}|j|j||jdS )Nr   )FileType	directoryfileother)r7   sizetypemtime)r8   r@   rE   Z	DirectoryFileZNotFoundr   r   r   osstrerrorr+   rD   rF   )r!   r=   r@   kindr   r   r   r2   e   s   zArrowFSWrapper._make_entryc                 K   s   |  |d}|  |d}| |d[}| dtd }z%| |d}t|| W d    n1 s9w   Y  | j	|| W n" t
yh   tt | j| W d     1 sbw   Y   w W d    d S 1 stw   Y  d S )Nr   rbz.tmp.   wb)r0   rstrip_opensecretsZ	token_hexopenshutilcopyfileobjr   moveBaseExceptionr   r   delete_file)r!   path1path2r   ZlstreamZ	tmp_fnameZrstreamr   r   r   cp_filex   s&   

"zArrowFSWrapper.cp_filec                 K   s2   |  |d}|  |d}| j|| d S )Nr   )r0   rN   r   rT   )r!   rW   rX   r   r   r   r   mv   s   zArrowFSWrapper.mvc                 C      |  |}| j| d S r$   )r0   r   rV   r>   r   r   r   rm_file      
zArrowFSWrapper.rm_fileNc                 C   sF   |  |d}| |r|r| j| d S td| j| d S )Nr   z0Can't delete directories without recursive=False)r0   rN   isdirr   
delete_dir
ValueErrorrV   )r!   r+   	recursiveZmaxdepthr   r   r   rm   s   
zArrowFSWrapper.rmrK   Tc           	      K   s   |dkr|r| j j}n| j j}n|dkr| j j}n|dkr"| j j}ntd|i }|dks1|s@ttdd dkr@d |d< ||fi |}t	| ||||fi |S )	NrK   rM   abz'unsupported mode for Arrow filesystem: .r      compression)
r   Zopen_input_fileZopen_input_streamZopen_output_streamZopen_append_streamr`   intr   split	ArrowFile)	r!   r+   mode
block_sizeseekabler   method_kwargsstreamr   r   r   rO      s   



zArrowFSWrapper._openc                 K   s4   |  |}|r| j|dd d S | jj|dd d S )NT)exist_okFra   )r0   makedirsr   
create_dir)r!   r+   Zcreate_parentsr   r   r   r   mkdir   s   
zArrowFSWrapper.mkdirc                 C   s   |  |}| jj|dd d S )NTrq   )r0   r   rs   )r!   r+   rp   r   r   r   rr      s   
zArrowFSWrapper.makedirsc                 C   r[   r$   )r0   r   r_   r>   r   r   r   rmdir   r]   zArrowFSWrapper.rmdirc                 C   s   |  |}| j|jS r$   )r0   r   r9   rF   r>   r   r   r   modified   s   
zArrowFSWrapper.modifiedc                    s&   |dv|d< t  j|fd d d|S )N)Nr   rl   )startend)r   cat_file)r!   r+   rw   rx   r   r"   r   r   ry      s   zArrowFSWrapper.cat_filec                    s"   d|d< t  j||fi | d S )NFrl   )r   get_file)r!   ZrpathZlpathr   r"   r   r   rz      s   zArrowFSWrapper.get_file)F)FN)rK   NT)T)NN)__name__
__module____qualname____doc__Zroot_markerr    propertyr'   r   r*   classmethodr0   r<   r=   r?   r2   r   rY   rZ   Zmv_filer\   rb   rO   rt   rr   ru   rv   ry   rz   __classcell__r   r   r"   r   r   (   sF    



	





r   ro   )	readseektellwritereadablewritablecloserD   rl   c                   @   s&   e Zd ZdddZdd Zdd ZdS )	ri   Nc                 K   s.   || _ || _|| _|| _| | _| _|| _d S r$   )r+   rj   r   ro   	blocksizerk   r   )r!   r   ro   r+   rj   rk   r   r   r   r   r       s   
zArrowFile.__init__c                 C   s   | S r$   r   r&   r   r   r   	__enter__   s   zArrowFile.__enter__c                 G   s   |   S r$   )r   )r!   r   r   r   r   __exit__   s   zArrowFile.__exit__r$   )r{   r|   r}   r    r   r   r   r   r   r   ri      s    

ri   c                       s>   e Zd ZdZdZ						d fdd	Zed	d
 Z  ZS )HadoopFileSystemz]A wrapper on top of the pyarrow.fs.HadoopFileSystem
    to connect it's interface with fsspecZhdfsdefaultr   N   c           
         s:   ddl m} |||||||d}	t jdd|	i| dS )a;  

        Parameters
        ----------
        host: str
            Hostname, IP or "default" to try to read from Hadoop config
        port: int
            Port to connect on, or default from Hadoop config if 0
        user: str or None
            If given, connect as this username
        kerb_ticket: str or None
            If given, use this ticket for authentication
        replication: int
            set replication factor of file for write operations. default value is 3.
        extra_conf: None or dict
            Passed on to HadoopFileSystem
        r   )r   )r(   r)   userkerb_ticketreplication
extra_confr   Nr   )r8   r   r   r    )
r!   r(   r)   r   r   r   r   r   r   r   r"   r   r   r       s   zHadoopFileSystem.__init__c                 C   s   t | }i }|dd r|d |d< |dd r|d |d< |dd r*|d |d< |dd rFt|d }|dd rFt|d d |d< |S )Nr(   usernamer   r)   Z	url_queryr   r   )r   getr   rg   )r+   r/   outZqueriesr   r   r   _get_kwargs_from_urls$  s   z&HadoopFileSystem._get_kwargs_from_urls)r   r   NNr   N)	r{   r|   r}   r~   r'   r    staticmethodr   r   r   r   r"   r   r      s    'r   )r   iorH   rP   rR   
contextlibr   	functoolsr   r   urllib.parser   Zfsspec.specr   Zfsspec.utilsr   r   r	   r
   r   r   r   IOBaseri   r   r   r   r   r   <module>   s(     0