U
,a @ s d Z ddlZejdkr edddlZddlZddlZddlZddlZddl Z ddl
Z
dZ dZ ej
Z
ejZe Zdde d d
d ZG d d
d
ZG dd dejZdS )z)Various Windows specific bits and pieces. NZwin32z
win32 only)pipePopenPIPE
PipeHandlei F)TT)duplex
overlappedbufsizec
C s$ t jdt ttd}| r>tj}tj tj
B }|| }}ntj }tj
}d| }}|tj O }|d rp|tj
O }|d rtj
}nd}d } }
z\t||tjd||tjtj} t||dtjtj|tj}
tj| dd} | d | |
fW S | 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 NTr )tempfileZmktempformatosgetpidnext
_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 ZaddressZopenmodeaccessZobsizeZibsizeZflags_and_attribsZh1Zh2Zov r :/opt/alt/python38/lib64/python3.8/asyncio/windows_utils.pyr sb
r c @ sb e Zd ZdZdd Zdd Zedd Zdd Ze j
d
d d Z e j
fd
dZdd Zdd ZdS )r zWrapper 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_handleselfhandler r r __init__V s zPipeHandle.__init__c C s2 | j d k rd| j }nd}d| jj d| dS )Nzhandle=closed< >)r __class____name__r r r r __repr__Y s
zPipeHandle.__repr__c C s | j S r r r r r r r ` s zPipeHandle.handlec C s | j d krtd| j S )Nz I/O operation on closed pipe)r
ValueErrorr% r r r filenod s
zPipeHandle.fileno)r c C s | j d k r|| j d | _ d S r r )r r r r r closei s
zPipeHandle.closec C s* | j d k r&|d| t| d | d S )Nz unclosed )source)r ResourceWarningr( )r Z_warnr r r __del__n s
zPipeHandle.__del__c C s | S r r r% r r r __enter__s s zPipeHandle.__enter__c C s | d S r )r( )r tvtbr r r __exit__v s zPipeHandle.__exit__N)r#
__module__ __qualname____doc__r r$ propertyr r' r r r( warningswarnr+ r, r0 r r r r r Q s
r c s" e Zd ZdZd fdd Z ZS )r zReplacement for subprocess.Popen using overlapped pipe handles.
The stdin, stdout, stderr are None or instances of PipeHandle.
Nc s | drt| dddks"td } }}d } }
} |tkrbtddd\} } t| tj}n|}|tkrtdd\}
}
t|
d}n|}|tkrtdd\} }t|d}n|tkr|}n|}zz t
j |f|||d | W n0 | |
| fD ]}|d k rt
| q Y n>X | d k r,t| | _|
d k r@t|
| _| d k rTt| | _W 5 |tkrlt | |tkrt | |tkrt | X d S )
NZuniversal_newlinesr r )FTT)r r )TFr )stdinstdoutstderr)getAssertionErrorr r msvcrtZopen_osfhandler O_RDONLYSTDOUTr( superr r r r r7 r8 r9 )r argsr7 r8 r9 kwdsZ stdin_rfdZ
stdout_wfdZ
stderr_wfdZstdin_whZ stdout_rhZ stderr_rhZstdin_rhZ stdout_whZ stderr_whhr" r r r sR
zPopen.__init__)NNN)r# r1 r2 r3 r
__classcell__r r rC r r } s r )r3 sysplatform ImportErrorr itertoolsr< r
subprocessr r5 __all__ZBUFSIZEr r> countr r r r r r r r