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Newsgroups: comp.lang.python
Date: Mon, 26 Nov 2012 04:10:57 -0800 (PST)
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Subject: Re: how to pass "echo t | " input to subprocess.check_output() method
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On Monday, 26 November 2012 16:32:22 UTC+5:30, Kushal Kumaran  wrote:
> dachakku@gmail.com writes:
> 
> 
> 
> > Hi all,
> 
> >
> 
> > I want to list the repositories in svn using python. For this i have used below command,
> 
> > " res = subprocess.check_output(["svn.exe", "list", "Https://127.0.0.1:443/svn/Repos"], stderr=subprocess.STDOUT) "
> 
> >
> 
> > but it throws an exception, since it requires an user input to validate certificate,
> 
> > " (R)eject, accept (t)emporarily or accept (p)ermanently? "
> 
> >
> 
> > from Command prompt im able to pass the input while calling the process, and im able to get the output
> 
> >
> 
> > "echo t | svn list Https://127.0.0.1:443/svn/Repos"
> 
> >
> 
> > But i dont know how to pass the "echo t | " in subprocess.check_output while calling a process.
> 
> > Is there a way to do this?
> 
> > Please help.
> 
> 
> 
> 
> 
> You could pass in a stdin argument to subprocess.check_output with a
> 
> value of 't\n'.
> 
> 
> 
> However, you might want to use something like http://pysvn.tigris.org/,
> 
> which is a python library for accessing subversion repositories.
> 
> 
> 
> -- 
> 
> regards,
> 
> kushal

Hi Kushal,

I tried passing the value 't\n' to check_output. But I think we cannot pass a string to stdin.

When I tried the below command,
subprocess.check_output([svn, "list", repos_Url], stdin='t\n', stderr=subprocess.STDOUT)

I got the below error message,
  File "C:\Python27\lib\subprocess.py", line 786, in _get_handles
    p2cread = msvcrt.get_osfhandle(stdin.fileno())
AttributeError: 'str' object has no attribute 'fileno'

could you tell me how to pass the value to stdin..