File: //lib64/python3.6/asyncio/__pycache__/windows_utils.cpython-36.opt-1.pyc
3
\ @ s d Z ddlZejdkr edddlZddlZddlZddlZddlZddl Z ddl
Z
ddl Z ddddd gZ d
Z
e jZe jZej ZeedrejZnejejdfd dZd de
dddZG dd d ZG dd de jZdS )z*
Various Windows specific bits and pieces
NZwin32z
win32 only
socketpairpipePopenPIPE
PipeHandlei c
C s | t jkrd}n| t jkr d}ntd|t jkr:td|dkrJtdt j | ||}z|j|df |jd |j dd \}}t j | ||}yP|jd
y|j ||f W n t
t fk
r Y nX |jd |j \}} W n |j
Y nX W d|j
X ||fS ) zA socket pair usable as a self-pipe, for Windows.
Origin: https://gist.github.com/4325783, by Geert Jansen.
Public domain.
z 127.0.0.1z::1z?Only AF_INET and AF_INET6 socket address families are supportedz)Only SOCK_STREAM socket type is supportedr z Only protocol zero is supported N FT)socketAF_INETZAF_INET6
ValueError SOCK_STREAMZbindZlistenZ getsocknameZ setblockingZconnectBlockingIOErrorInterruptedErrorZacceptclose)
ZfamilytypeprotohostZlsockZaddrZportZcsockZssock_ r -/usr/lib64/python3.6/asyncio/windows_utils.pyr % s8
FT)duplex
overlappedbufsizec C s" t jdtj ttf d}| r>tj}tjtj B }|| }}ntj
}tj }d| }}|tj O }|d rp|tj O }|d rtj }nd}d } }
yZtj
||tjd||tjtj} tj||dtjtj|tj}
tj| dd} | jd | |
fS | dk rtj| |
dk rtj|
Y nX dS )zELike os.pipe() but with overlapped support and using handles not fds.z\\.\pipe\python-pipe-%d-%d-)prefixr r NT)r )tempfileZmktemposgetpidnext
_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_attribsZh1Zh2Zovr r r r S s@
c @ s\ e Zd ZdZdd Zdd Zedd Zdd Ze j
d
d d Z d
d Z dd Z
dd 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)_handle)selfhandler r r __init__ s zPipeHandle.__init__c C s* | j d k rd| j }nd}d| jj|f S )Nz handle=%rclosedz<%s %s>)r" __class____name__)r# r$ r r r __repr__ 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 operatioon on closed pipe)r" r )r# r r r fileno s
zPipeHandle.fileno)r c C s | j d k r|| j d | _ d S )N)r" )r# r r r r r s
zPipeHandle.closec C s* | j d k r&tjd| t| d | j d S )Nz unclosed %r)source)r" warningswarnResourceWarningr )r# r r r __del__ s
zPipeHandle.__del__c C s | S )Nr )r# r r r __enter__ s zPipeHandle.__enter__c C s | j d S )N)r )r# tvtbr r r __exit__ s zPipeHandle.__exit__N)r(
__module__ __qualname____doc__r% r) propertyr$ r* r r r r/ r0 r4 r r r r r s 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| d } }}d } }
} |t kr@tddd\} } tj| tj}n|}|t krhtdd\}
}
tj|
d}n|}|t krtd d\} }tj|d}n|tkr|}n|}zy t j|f|||d| W n4 x$| |
| fD ]}|d k rt j
| qW Y n>X | d k rt | | _ |
d k r"t |
| _
| d k r6t | | _W d |t krNtj| |t krbtj| |t krvtj| X d S )
NFT)r r )r r )stdinstdoutstderr)FT)TF)TF)r r msvcrtZopen_osfhandler O_RDONLYSTDOUTsuperr% r r r r9 r: r; r )r# argsr9 r: r; kwdsZ stdin_rfdZ
stdout_wfdZ
stderr_wfdZstdin_whZ stdout_rhZ stderr_rhZstdin_rhZ stdout_whZ stderr_whh)r' r r r% sH
zPopen.__init__)NNN)r( r5 r6 r7 r%
__classcell__r r )r' r r s )TT)r7 sysplatform ImportErrorr itertoolsr< r r
subprocessr r, __all__ZBUFSIZEr r> countr hasattrr r
r r r r r r r r <module> s,
.0-