[issue45357] Idle does not check user config for extention configuration

[CoolCat467]

CoolCat467  added the comment:

In a classroom circumstance, yes, that kind of makes sense, but at the moment, 
if you want to add an extension you have to either manually edit the file, or 
let a automated script touch your entire system with root permissions that 
could be doing who knows what else. And trying to install extensions on windows 
has proved nearly impossible for me. No matter what I've tried, I haven't been 
able to change the system config file. Now, on Linux everything is fine, but 
still. I would think that people who use IDLE in general would benefit from 
this change, and could potentially make extension use more popular instead of 
going to third party and potentially closed source editors. I don't like that 
other, more popular editors have more capabilities just because writing 
extensions might be easier.

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[issue45357] Idle does not check user config for extention configuration

[Terry J. Reedy]

Terry J. Reedy  added the comment:

The current configuration design is that user .idlerc config-x.cfg files 
contain changes from the idlelib config-x.def files.  A proposal to change this 
is an enhancement request rather than a bugfix request.  It will make the logic 
more complex, increase maintenance burden, and likely make changes to the 
configuration system harder.

If Python is installed for one user, any changes to config-extensions.def only 
apply to that one user, just as with additions to site-packages.  If Python is 
installed for all users, why shouldn't extensions be available to all, just as 
with additions to site-packages?  Assuming that extensions are by default not 
enabled, users will have to explicitly enable them, just as they have to 
explicitly import added packages.

On a system with non-admin users, such as in a classroom, I can imagine that 
the admin user(s) might not want non-admin users to be able to modify IDLE 
behavior.  I am reluctant to open this can of worms and would not do so by 
myself.

--
stage: patch review -> test needed
type: behavior -> enhancement
versions: +Python 3.11 -Python 3.9

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[issue45357] Idle does not check user config for extention configuration

[CoolCat467]

CoolCat467  added the comment:

Yes, changing settings on ZzDummy works correctly, but this is because an entry 
for it exists in the default config file. The problem is when if you attempt to 
add a new extension through the user config file. When IDLE is looking for 
extensions to load, it only checks the default config file, not the user config 
file. So if I add a new extension entry to my ~/.idlerc/config-extensions.cfg 
file, "[lintcheck]\nenable = True", and have a module installed on my system 
called "lintcheck", with a class named "lintcheck". Because IDLE is only 
looking in the default config file for extensions to load, it never finds 
lintcheck and therefore it is never loaded. On the contrary, if it were in the 
system default config file, IDLE would find it and "lintcheck" would be loaded.

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[issue45357] Idle does not check user config for extention configuration

[Terry J. Reedy]

Terry J. Reedy  added the comment:

I am puzzled by your report. As explained in the top of 
idlelib/confix-extensions.def, the options for four features are still defined 
there for compatibility reasons and user changes to those option *are* stored 
in ~/.idlerc/config-extensions.cfg and read on startup.  At least on Windows 
with 3.9 and 3.11. I also tested changing options for test extension zzdummy 
and that works also.  For instance, click enable, exit dialog, exit IDLE, 
reload, edit something, select Format, and the z options are listed.  The 
default config is not changed.  What tests did you run?

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[issue45357] Idle does not check user config for extention configuration

[CoolCat467]

Change by CoolCat467 :


--
nosy: +taleinat, terry.reedy

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[issue45357] Idle does not check user config for extention configuration

[CoolCat467]

Change by CoolCat467 :


--
keywords: +patch
pull_requests: +27063
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/28713

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[issue45357] Idle does not check user config for extention configuration

[CoolCat467]

Change by CoolCat467 :


--
nosy:  -terry.reedy
versions: +Python 3.9

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[issue45357] Idle does not check user config for extention configuration

[CoolCat467]

New submission from CoolCat467 :

I was trying to write an extension for Idle, and was noticing extension keys 
defined in ~/.idlerc weren't being used, so I looked into it and found that in 
idlelib.config.idleConf, `GetExtensionKeys`, `__GetRawExtensionKeys`, and 
`GetKeyBinding` would never check for user keys, always assuming default keys 
have everything. This is not always true. In a system with multiple users, you 
would not want to modify the default config file for a custom extension, as 
that is used for everyone.

--
assignee: terry.reedy
components: IDLE
messages: 403112
nosy: CoolCat467, terry.reedy
priority: normal
severity: normal
status: open
title: Idle does not check user config for extention configuration
type: behavior

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