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Look for a #! line, and return the value following the #! if one exists, or
None if this file is not a script.
I don't know if there are any conventions for quoting in Windows shebang
lines, so this doesn't support any; therefore, you may not pass any
arguments to scripts invoked as filters. That's probably wrong, so if
somebody knows more about the cultural expectations on Windows, please feel
free to fix.
This shebang line support was added in support of the CGI tests;
appropriately enough, I determined that shebang lines are culturally
accepted in the Windows world through this page::
http://www.cgi101.com/learn/connect/winxp.html
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Determine if a pywintypes.error is telling us that the given process is
'not a valid win32 application', i.e. not a PE format executable.
@param pywinerr: a pywintypes.error instance raised by CreateProcess
@return: a boolean
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A process that integrates with the Twisted event loop.
If your subprocess is a python program, you need to:
- Run python.exe with the '-u' command line option - this turns on
unbuffered I/O. Buffering stdout/err/in can cause problems, see e.g.
http://support.microsoft.com/default.aspx?scid=kb;EN-US;q1903
- If you don't want Windows messing with data passed over
stdin/out/err, set the pipes to be in binary mode::
import os, sys, mscvrt
msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)
msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
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Create a new child process.
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signalProcess s
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Write data to the process' stdin.
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Write data to the process' stdin.
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Similar to L{ITransport.write} but also allows the file descriptor in
the child process which will receive the bytes to be specified.
This implementation is limited to writing to the child's standard input.
@param fd: The file descriptor to which to write. Only stdin (C{0}) is
supported.
@type fd: C{int}
@param data: The bytes to write.
@type data: C{bytes}
@return: L{None}
@raise KeyError: If C{fd} is anything other than the stdin file
descriptor (C{0}).
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closeStdin� closeStdout� closeStderr�NotImplementedError)r r� r r r � closeChildFD7 s �zProcess.closeChildFDc C s | j �� dS )zClose the process' stdin.N)r| �closerS r r r r� C s zProcess.closeStdinc C � | j �� d S r )ry r� rS r r r r� G � zProcess.closeStderrc C r� r )r r� rS r r r r� J r� zProcess.closeStdoutc C s | � � | �� | �� dS )z8
Close the process' stdout, in and err.
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Will be called 3 times, by stdout/err threads and process handle.
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stopProducing~ r� zProcess.stopProducingc C � t d��)Nz Unimplemented: Process.getHost�r� rS r r r �getHost� � zProcess.getHostc C r� )Nz Unimplemented: Process.getPeerr� rS r r r �getPeer� r� zProcess.getPeer�returnc C s d| j j� d| j� d�S )z@
Return a string representation of the process.
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