[Idle-dev] (auto)-completion problems

[Sean Felipe Wolfe]

Nice to hear that IDLE has fixes in the 3.6/3.7 versions. I'll be sure to
check them out !

Greetings and best wishes Peter !

On Thu, May 24, 2018 at 12:20 PM, Terry Reedy <tjreedy at udel.edu> wrote:

> On 5/23/2018 9:58 AM, Peter Galan wrote:
>
> At first I have to thank you for your effort to maintain this great
>> programming system.
>>
>
> Thank you.
>
> I am using it to attract my grandchildren to the computer programming
>> technique.
>>
>
> Great.  I started my daughter at around 14.
>
> But I have encountered one problem, which is present even in the latest
>> version (2.7.15).
>>
>
> This is the latest maintenance release of an 8-year-old version.  It only
> gets security and build fixes and a small subset of bug fixes. Currently,
> most bugfixes are not backported to 2.7.  This includes IDLE changes.
>
> 3.6 is the current version of Python and 3.7 will be out next month.
> Please consider starting your grandkids with 3.6 or 3.7.  IDLE is being
> actively improved, but only for 3.6+.
>
> On Windows, 2.7.15 uses tcl/tk GUI framework 8.5.15, whereas Python 3.6
> comes with the newer and better tk 8.6.6.
>
> It is the automatic completion. It doesn’t work as described. At first,
>> the automatic completion should kick-out after about 2 sec when, for
>> example the user types the name of an object and the dot. Nothing happens.
>>
>
> Completing a name you have started and adding an attribute after '.' are 2
> different operations.  Auto-popup is only for the latter.  If I enter
> 'int.' in either Shell or an editor, a box pops up with the 7 int
> attributes that do not start with '_', from 'bit_length' to 'to_bytes'.
>
> I have 64-bit Win 10 and both installed 64-bit and locally built 32-bit
> debug binaries.  If you do not see the above, there is either a problem
> with the tcl/tk gui framework, which IDLE uses, on Win 7, or with your
> particular installation.
>
> A box pops up only if the object has attributes *and* if IDLE knows about
> them.  The IDLE doc (Help => IDLE Help, and online) section on Completions
> mentions that in the editor, you likely have run the code already written
> for completions to work properly.
>
> The forced auto-completion requires to press the Ctrl+Space keys.
>>
>
> This is required if you have already typed part of a name *before* the box
> appears.
>
> At first, it opens “some” window, but, like in my example, the object “M”
>> must not to be followed by the dot.
>>
>
> Because "M" does not have attributes, at least none that IDLE knows about.
>
> However that window is meaningless.
>>
>
> On the contrary, this box in the screenshot is exactly as intended, and
> what I see also upon entering 'M<cntl-space>'.  'MemoryError' is the first
> visible name beginning with M.
>
> As soon as I try to use it (click on it, to move the cursor keys, or any
>> other activity with the keyboard), this window immediately disappears.
>>
>
> With 2.7.15, I can move with up/down arrow keys and click after moving,
> but there are some bugs.  Clicking without movement and <Enter> do not
> work.  These and other problems were fixed last summer for 3.6+.
>
> Is there a way to fix this problem?
>>
>
> Some of your problems may be with your installation, but a full fix
> requires upgrading to 3.6+
>
>
> And I am running the Windows 7 and the 64-bit version Python. Thank you in
>> advance for your help.
>>
>
> --
> Terry Jan Reedy
>
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