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IDLE Restoration

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  IDLE Restoration subhabrata.banerji@gmail.com - 2015-05-08 08:26 -0700
    Re: IDLE Restoration Chris Angelico <rosuav@gmail.com> - 2015-05-09 01:35 +1000
      Re: IDLE Restoration Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-08 18:06 +0200
        Re: IDLE Restoration Chris Angelico <rosuav@gmail.com> - 2015-05-09 02:16 +1000
          Re: IDLE Restoration Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-08 21:12 +0200
            Re: IDLE Restoration Chris Angelico <rosuav@gmail.com> - 2015-05-09 08:52 +1000
    Re: IDLE Restoration Terry Reedy <tjreedy@udel.edu> - 2015-05-08 20:24 -0400

#90177 — IDLE Restoration

Dear Group,

In many applications there is a facility to restore its previous sessions, especially if they close accidentally. 

Does IDLE have any such facility? 
If it is there, how may I use it?

If someone may kindly suggest it.

Regards,
Subhabrata Banerjee. 

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#90178

On Sat, May 9, 2015 at 1:26 AM,  <subhabrata.banerji@gmail.com> wrote:
> In many applications there is a facility to restore its previous sessions, especially if they close accidentally.
>
> Does IDLE have any such facility?
> If it is there, how may I use it?
>
> If someone may kindly suggest it.

Generally the notion of session restore is a fairly limited one; for
instance, a text editor might keep track of which files were opened
(and maybe cursor positions), but not the actual contents. Web
browsers tend to do a bit more than that (a good thing, since they
crash more often than text editors do), but still generally depend on
being able to retrieve most of the content from the origin server(s)
on restart.

Are you hoping to have the IDLE editor restore the fact that you had
files X, Y, and Z open, or are you hoping to have the interactive
interpreter retain your entire history of commands and their results?
The former is reasonably plausible (and may well be possible already -
Terry?), but the latter is quite impractical.

ChrisA

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#90179

Chris Angelico wrote:

> Are you hoping to have the IDLE editor restore the fact that you had
> files X, Y, and Z open, or are you hoping to have the interactive
> interpreter retain your entire history of commands and their results?
> The former is reasonably plausible (and may well be possible already -
> Terry?), but the latter is quite impractical.

Various shells do the latter.  I do not see why that would be impractical, 
on the contrary.

-- 
PointedEars

Twitter: @PointedEars2
Please do not cc me. / Bitte keine Kopien per E-Mail.

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#90182

On Sat, May 9, 2015 at 2:06 AM, Thomas 'PointedEars' Lahn
<PointedEars@web.de> wrote:
> Chris Angelico wrote:
>
>> Are you hoping to have the IDLE editor restore the fact that you had
>> files X, Y, and Z open, or are you hoping to have the interactive
>> interpreter retain your entire history of commands and their results?
>> The former is reasonably plausible (and may well be possible already -
>> Terry?), but the latter is quite impractical.
>
> Various shells do the latter.  I do not see why that would be impractical,
> on the contrary.

Exactly what do they recall? A textual form of the scrollback? That
wouldn't be too hard. But what about all your working state - assigned
globals, changed state of imported modules (eg random number seed),
etc, etc, etc? An active Python session is a *lot* more than a shell
session scrollback, because "their results" could literally be any
Python objects.

ChrisA

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#90192

Chris Angelico wrote:

> […] Thomas 'PointedEars' Lahn […] wrote:
>> Chris Angelico wrote:
>>> Are you hoping to have the IDLE editor restore the fact that you had
>>> files X, Y, and Z open, or are you hoping to have the interactive
>>> interpreter retain your entire history of commands and their results?
>>> The former is reasonably plausible (and may well be possible already -
>>> Terry?), but the latter is quite impractical.
>>
>> Various shells do the latter.  I do not see why that would be
>> impractical, on the contrary.
> 
> Exactly what do they recall?

“your entire history of commands” and

> A textual form of the scrollback?

-- 
PointedEars

Twitter: @PointedEars2
Please do not cc me. / Bitte keine Kopien per E-Mail.

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#90198

On Sat, May 9, 2015 at 5:12 AM, Thomas 'PointedEars' Lahn
<PointedEars@web.de> wrote:
> Chris Angelico wrote:
>
>> […] Thomas 'PointedEars' Lahn […] wrote:
>>> Chris Angelico wrote:
>>>> Are you hoping to have the IDLE editor restore the fact that you had
>>>> files X, Y, and Z open, or are you hoping to have the interactive
>>>> interpreter retain your entire history of commands and their results?
>>>> The former is reasonably plausible (and may well be possible already -
>>>> Terry?), but the latter is quite impractical.
>>>
>>> Various shells do the latter.  I do not see why that would be
>>> impractical, on the contrary.
>>
>> Exactly what do they recall?
>
> “your entire history of commands” and
>
>> A textual form of the scrollback?

Okay. I'm not sure how useful a text-only scrollback would be in IDLE,
if you start with a clean slate. But I'll let the OP decide on whether
that's a worthwhile feature request.

ChrisA

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#90201

On 5/8/2015 11:26 AM, subhabrata.banerji@gmail.com wrote:
> Dear Group,
>
> In many applications there is a facility to restore its previous sessions, especially if they close accidentally.
>
> Does IDLE have any such facility?

No.  You are prompted to close unsaved files. Filenames are saved in 
Recent files, making it easy to reopen.

I have used Notepad++, which automatically reopens files left open when 
last closed, but I find that to be a nuisance as much as a help.  But it 
is less a nuisance in Notepad++ because it has one tabbed window instead 
of multiple windows (something I would like for Idle).

-- 
Terry Jan Reedy

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