New submission from E. Paine <[email protected]>:
I propose that IDLE only allows a single instance, but behaves mostly like
before (multiple shells, etc.). The main motivation for this issue is to (1)
stop the same file being opened more than once and (2) make a tabbed interface
easier to implement.
Starting with point (1), believe a file should not be allowed to be opened
multiple times but enforcing this currently in IDLE would be incredibly
difficult.
Instead, I propose that a socket-server sits on the main instance and any new
instances send requests to the main instance (to open a file in a new
'instance'). There would be two layers of file-lists, and the current one still
acts as an 'instance' file-list but we also create a master list which controls
all of the 'instances':
Instance flist Instance flist
| |
---- Master flist ----
Secondly, point (2). I am currently in the planning phase of creating an IDLE
tabbed interface (based loosely off the code currently found in #9262) but it
requires both this issue and #40893 to be pulled before it can work effectively
(dragging tabs between windows, etc.).
I don't currently have any code to propose, but I don't think it should be
*too* difficult to implement (but now I've said that!...).
----------
assignee: terry.reedy
components: IDLE
messages: 371722
nosy: epaine, taleinat, terry.reedy
priority: normal
severity: normal
status: open
title: IDLE only allow single instance
versions: Python 3.10, Python 3.7, Python 3.8, Python 3.9
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<https://bugs.python.org/issue41000>
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