Change the location of the FIRST cutout server

[rlwastro]

The old third.ucllnl.org server is no longer supported and has practically stopped working. This configuration change gives the new URL for the server: sundog.stsci.edu.

Note this change does not happen often -- the URL has been the same since 1997 before this change!

[bsipocz]

Perfect timing as I'm tagging a release this week!

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 70.51%. Comparing base (ea9abd4) to head (282befc).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3413   +/-   ##
=======================================
  Coverage   70.51%   70.51%           
=======================================
  Files         232      232           
  Lines       19997    19997           
=======================================
  Hits        14100    14100           
  Misses       5897     5897           

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[rlwastro]

That's great news about the update this week! This will be broken until the updated config is available.

(I tried to figure out how to tell users to modify the URL themselves, but that seems to require them to edit the configuration file. Run-time changes didn't work for me.)

[bsipocz]

(I tried to figure out how to tell users to modify the URL themselves, but that seems to require them to edit the configuration file. Run-time changes didn't work for me.)

FWIW, for IRSA I routinely do run-time changes to swap between the dev/test and ops servers. The difference I see is that I don't have the value in a list. According to the astropy.config docs if the value is a list the behaviour is totally different 🤯

So, I would consider this as a bug for this module as we don't have mirrors here that we want to validate, but only one server with the option of maybe overriding the url.

I leave it up to you if you want to leave as is or change it to be not a list.

[rlwastro]

I think it would be great if this could be changed by users! I'm nervous about making the change now though, since I think I inherited this config code from somewhere else and maybe there are other bits of code that rely on it.

I thought the list thing might be to blame -- I could see that the value type was listed as an "Option" rather than a string. Maybe I'll work on this after your release is done to improve the long term maintainability.

[bsipocz]

OK, I did some more digging and this is a more widespread problem -- I opened #3414 to propose we clean up all the modules that doesn't explicitly work with mirrors.

(And I'm afraid you might have inherited this from the template module itself which shows how to deal with mirrors)

[bsipocz]

@rlwastro - not the cleanest, but this kind of works:

>>> from astroquery.image_cutouts.first import FirstClass, conf
>>> First = FirstClass()
>>> First.URL = 'https://sundog.stsci.edu/cgi-bin/firstcutout'
>>> First.get_images(...)