PYSH? (was:Re: calling ksh script from python)

[Fernando Perez]

Paul McNett wrote:

> Cameron Laird wrote:
>> Infidel.  While I sure feel that way about csh(1), it
>> surprises me you'd criticize ksh(1) so.  'Fact, 'mong
>> all the *sh-s, I *recommend* ksh for programming.  May-
>> be the two of us see things differently.
> 
> I keep wondering how difficult it would be to make a Python shell that
> exposes all of Python but also includes some builtin commands such as
> cd, mkdir, etc., that are just names bound to os.chdir, os.mkdir..., and
> is smart enough to take a given command from the user and try to do a
> os.system() on it based on the path. IOW, I'd love to have all of Python
> available as my unix shell, while still doing shell-type stuff such as
> traversing directories, launching applications, etc.
> 
> There's likely a project that does this already that I'm just unaware of.

yes, there is:

planck[~]> ipython -p pysh
Welcome to pysh, a set of extensions to IPython for shell usage.
help(pysh) -> help on the installed shell extensions and syntax.

Python 2.3.4 (#1, Feb  2 2005, 12:11:53)
Type "copyright", "credits" or "license" for more information.

IPython 0.6.15 -- An enhanced Interactive Python.
?       -> Introduction to IPython's features.
%magic  -> Information about IPython's 'magic' % functions.
help    -> Python's own help system.
object? -> Details about 'object'. ?object also works, ?? prints more.

IPython profile: pysh
fperez at planck[~]|1> cd test
fperez at planck[~/test]|2> ls
argv.py*  cf.py   div.py     exit.py*       lcomp.py      sanner.py*  times.sh*
ast.tcl*  data    error.py*  foo.old        pplot2.py*    scopes.py*  t.py
avg.py*   die.py  err.py     foo.py         pplot.py*     splot.py    vars.py
bar.py    div.c   err.pyc    inspectbug.py  pylabug.py    strings.py  visex.py
bar.pyc   div.f   exit2.py*  inter.py       ramptest.py*  tgp.py      xplot.py*
fperez at planck[~/test]|3> $$a=ls e*py
fperez at planck[~/test]|4> a
                     <4> ['error.py', 'err.py', 'exit2.py', 'exit.py']
fperez at planck[~/test]|5> for f in a:
                     |.>     if len(f)>6:
                     |.>         wc -l $f
                     |.>
64 error.py
2 exit2.py
10 exit.py
fperez at planck[~/test]|6> Exit


Cheers,

f