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Re: ANN: Sarge, a library wrapping the subprocess module, has been released.

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Date Fri, 17 Feb 2012 14:49:37 +0100
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Vinay Sajip wrote:
> Sarge, a cross-platform library which wraps the subprocess module in
> the standard library, has been released.
>
> What does it do?
> ----------------
>
> Sarge tries to make interfacing with external programs from your
> Python applications easier than just using subprocess alone.
>
> Sarge offers the following features:
>
> * A simple way to run command lines which allows a rich subset of Bash-
> style shell command syntax, but parsed and run by sarge so that you
> can run on Windows without cygwin (subject to having those commands
> available):
>
>     >>> from sarge import capture_stdout
>     >>> p = capture_stdout('echo foo | cat; echo bar')
>     >>> for line in p.stdout: print(repr(line))
>     ...
>     'foo\n'
>     'bar\n'
>
> * The ability to format shell commands with placeholders, such that
> variables are quoted to prevent shell injection attacks.
>
> * The ability to capture output streams without requiring you to
> program your own threads. You just use a Capture object and then you
> can read from it as and when you want.
>
> Advantages over subprocess
> ---------------------------
>
> Sarge offers the following benefits compared to using subprocess:
>
> * The API is very simple.
>
> * It's easier to use command pipelines - using subprocess out of the
> box often leads to deadlocks because pipe buffers get filled up.
>
> * It would be nice to use Bash-style pipe syntax on Windows, but
> Windows shells don't support some of the syntax which is useful, like
> &&, ||, |& and so on. Sarge gives you that functionality on Windows,
> without cygwin.
>
> * Sometimes, subprocess.Popen.communicate() is not flexible enough for
> one's needs - for example, when one needs to process output a line at
> a time without buffering the entire output in memory.
>
> * It's desirable to avoid shell injection problems by having the
> ability to quote command arguments safely.
>
> * subprocess allows you to let stderr be the same as stdout, but not
> the other way around - and sometimes, you need to do that.
>
> Python version and platform compatibility
> -----------------------------------------
>
> Sarge is intended to be used on any Python version >= 2.6 and is
> tested on Python versions 2.6, 2.7, 3.1, 3.2 and 3.3 on Linux,
> Windows, and Mac OS X (not all versions are tested on all platforms,
> but sarge is expected to work correctly on all these versions on all
> these platforms).
>
> Finding out more
> ----------------
>
> You can read the documentation at
>
> http://sarge.readthedocs.org/
>
> There's a lot more information, with examples, than I can put into
> this post.
>
> You can install Sarge using "pip install sarge" to try it out. The
> project is hosted on BitBucket at
>
> https://bitbucket.org/vinay.sajip/sarge/
>
> And you can leave feedback on the issue tracker there.
>
> I hope you find Sarge useful!
>
> Regards,
>
>
> Vinay Sajip
>   
Hi,

Thanks for sharing, I hope this one will be as successful as the logging 
module, possibly integrated into a next version of subprocess.
I can't use it though, I'm still using a vintage 2.5 version :-/

JM

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Thread

ANN: Sarge, a library wrapping the subprocess module, has been released. Vinay Sajip <vinay_sajip@yahoo.co.uk> - 2012-02-10 11:28 -0800
  Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Anh Hai Trinh <anh.hai.trinh@gmail.com> - 2012-02-12 01:41 -0800
  Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Anh Hai Trinh <anh.hai.trinh@gmail.com> - 2012-02-12 01:41 -0800
    Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Vinay Sajip <vinay_sajip@yahoo.co.uk> - 2012-02-12 03:31 -0800
      Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Anh Hai Trinh <anh.hai.trinh@gmail.com> - 2012-02-12 07:35 -0800
        Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Anh Hai Trinh <anh.hai.trinh@gmail.com> - 2012-02-12 08:19 -0800
          Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Vinay Sajip <vinay_sajip@yahoo.co.uk> - 2012-02-12 12:21 -0800
        Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Vinay Sajip <vinay_sajip@yahoo.co.uk> - 2012-02-12 12:13 -0800
          Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Anh Hai Trinh <anh.hai.trinh@gmail.com> - 2012-02-12 19:57 -0800
            Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Vinay Sajip <vinay_sajip@yahoo.co.uk> - 2012-02-13 02:34 -0800
          Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Rick Johnson <rantingrickjohnson@gmail.com> - 2012-02-12 20:26 -0800
        Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Rick Johnson <rantingrickjohnson@gmail.com> - 2012-02-12 20:08 -0800
          Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Anh Hai Trinh <anh.hai.trinh@gmail.com> - 2012-02-12 23:08 -0800
            Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Vinay Sajip <vinay_sajip@yahoo.co.uk> - 2012-02-13 02:59 -0800
  Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Jean-Michel Pichavant <jeanmichel@sequans.com> - 2012-02-17 14:49 +0100
    Re: ANN: Sarge, a library wrapping the subprocess module, has been released. Vinay Sajip <vinay_sajip@yahoo.co.uk> - 2012-02-17 09:19 -0800
      Re: ANN: Sarge, a library wrapping the subprocess module, has been released. 88888 Dihedral <dihedral88888@googlemail.com> - 2012-02-17 09:29 -0800

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