관리-도구
편집 파일: windows_utils.cpython-37.opt-1.pyc
B � f� � @ s� d Z ddlZejdkr ed��ddlZddlZddlZddlZddlZddl Z ddl Z dZ dZ ej Z ejZe�� Zdde d �d d �ZG d d � d �ZG dd� dej�ZdS )z)Various Windows specific bits and pieces.� NZwin32z win32 only)�pipe�Popen�PIPE� PipeHandlei F)TT)�duplex� overlapped�bufsizec C s" t jd�t�� tt��d�}| r>tj}tj tj B }|| }}ntj }tj }d| }}|tj O }|d rp|tj O }|d r�tj }nd}d } } yZt�||tjd||tjtj�} t�||dtjtj|tj�} tj| dd�} | �d� | | fS | dk �rt�| � | dk �rt�| � � Y nX dS )zELike os.pipe() but with overlapped support and using handles not fds.z \\.\pipe\python-pipe-{:d}-{:d}-)�prefixr � NT)r )�tempfileZmktemp�format�os�getpid�next� _mmap_counter�_winapiZPIPE_ACCESS_DUPLEXZ GENERIC_READZ GENERIC_WRITEZPIPE_ACCESS_INBOUNDZ FILE_FLAG_FIRST_PIPE_INSTANCEZFILE_FLAG_OVERLAPPEDZCreateNamedPipeZ PIPE_WAITZNMPWAIT_WAIT_FOREVERZNULLZ CreateFileZ OPEN_EXISTINGZConnectNamedPipeZGetOverlappedResult� CloseHandle) r r r ZaddressZopenmode�accessZobsizeZibsizeZflags_and_attribsZh1Zh2Zov� r �:/opt/alt/python37/lib64/python3.7/asyncio/windows_utils.pyr sB r c @ s\ e Zd ZdZdd� Zdd� Zedd� �Zdd � Ze j d �d d �Z d d� Z dd� Z dd� ZdS )r z�Wrapper for an overlapped pipe handle which is vaguely file-object like. The IOCP event loop can use these instead of socket objects. c C s || _ d S )N)�_handle)�self�handler r r �__init__V s zPipeHandle.__init__c C s2 | j d k rd| j ��}nd}d| jj� d|� d�S )Nzhandle=�closed�<� �>)r � __class__�__name__)r r r r r �__repr__Y s zPipeHandle.__repr__c C s | j S )N)r )r r r r r ` s zPipeHandle.handlec C s | j d krtd��| j S )Nz I/O operation on closed pipe)r � ValueError)r r r r �filenod s zPipeHandle.fileno)r c C s | j d k r|| j � d | _ d S )N)r )r r r r r �closei s zPipeHandle.closec C s, | j d k r(tjd| ��t| d� | �� d S )Nz unclosed )�source)r �warnings�warn�ResourceWarningr# )r r r r �__del__n s zPipeHandle.__del__c C s | S )Nr )r r r r � __enter__t s zPipeHandle.__enter__c C s | � � d S )N)r# )r �t�v�tbr r r �__exit__w s zPipeHandle.__exit__N)r � __module__� __qualname__�__doc__r r �propertyr r" r r r# r( r) r- r r r r r Q s r c s" e Zd ZdZd� fdd� Z� ZS )r z�Replacement for subprocess.Popen using overlapped pipe handles. The stdin, stdout, stderr are None or instances of PipeHandle. Nc s| d } }}d } } } |t kr@tddd�\} } t�| tj�}n|}|t krhtdd�\} } t�| d�}n|}|t kr�tdd�\} }t�|d�}n|tkr�|}n|}z�y t� j|f|||d�|�� W n4 x$| | | fD ]}|d k r�t � |� q�W � Y n>X | d k �rt | �| _ | d k �r"t | �| _ | d k �r6t | �| _W d |t k�rNt�|� |t k�rbt�|� |t k�rvt�|� X d S )N)FTT)r r )TF)r r )�stdin�stdout�stderr)r r �msvcrtZopen_osfhandler �O_RDONLY�STDOUT�superr r r r r2 r3 r4 r# )r �argsr2 r3 r4 �kwdsZ stdin_rfdZ stdout_wfdZ stderr_wfdZstdin_whZ stdout_rhZ stderr_rhZstdin_rhZ stdout_whZ stderr_wh�h)r r r r � sH zPopen.__init__)NNN)r r. r/ r0 r � __classcell__r r )r r r ~ s r )r0 �sys�platform� ImportErrorr � itertoolsr5 r � subprocessr r% �__all__ZBUFSIZEr r7 �countr r r r r r r r �<module> s$ 1-