[PyKDE] Eric3: Improving the shell.

[Joshua Gilbert]

I gave it a go at writing the code myself, but I got lost, I can't find
where the event is actually handled. To trace execution I'm running
eric.py(eric-snapshot-20050917) in eric (Debian testing).

Anyway, here are my points.

   -

   Replace it with IPython?

IPython rocks. Awesome shell, very interactive and it provides a bunch of
profiles that can be very handy. http://ipython.scipy.org/

   -

   Can't paste more than one line

Shame. Makes things harder than they should be

   -

   Can't select with shift+<arrow keys>

Annoying. Eric just moves over without selecting anything.

   -

   Middle click paste or typing should move focus to the current prompt

Instead of just overwriting the history. I don't mean the actual history, I
mean what's visible in the shell.

   -

   Ctrl-c should kill the current line

Instead it does nothing.

   -

   Can't alter values in the code that's currently running.

test.py:
-----------------------------------
h = 5
print 'break here'
-----------------------------------
Now fire up eric, run the debugger and break at the second line. Try this in
the shell:
>>> h
5
>>> h = 6
>>> h
6

   -

   <arrow button up> doesn't match partials like my readline settings say
   to.

So eric doesn't use readline. Already knew that. But still, the
functionality is staggeringly useful. Use case:
>>> [x / 2.0 for x in range(10) if x % 2 == 0]
[0.0, 1.0, 2.0, 3.0, 4.0]
>>> h
6
>>> [<up arrow>
results in
>>> h

That's frustrating. Yes, this case was simple. In real usage I have lots in
my history. Being able to search over some subset rather than the whole
history makes things a lot faster. Especially when you're repeating some
long sequence of actions to get some code to work right. Yes, you could
define a function, but that requires that you expect it to not work. Also
doesn't help when you're dealing with long obscure lines that you just need
to change a little bit.



Again, I'm willing to help implement these features and fixes. But I need
help, I don't see how to hack the shell code yet. A standalone version of
the shell would be very useful (an app with only the shell) as it would cut
down on the depth and breadth of the problem. I tried, but I'm not familiar
enough with pykde and friends to get it done.


Thank you,
Joshua C. Gilbert.
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