EUCLID: new method get_sia to access the Simple Image Access Protocol (SIAP) v2.0

[cosmoJFH]

Dear astroquery team,

we would like to implement a new method for the Simple Image Access Protocol (SIAP) v2.0 exposed by the Euclid project.

The Euclid Archive applies the following IVOA standard to serve:

1. Tables (catalogues), via the IVOA Table Access Protocol TAP
2. Spectra, via the IVOA DataLink prococol.
3. Images (and cutouts), via the Simple Image Access (SIA)

The new get_sia method will allow users to obtain the “file_name” and “file_path” of the FITS files that contain the observations of the input coordinates.

cc @esdc-esac-esa-int
jira: EUCLIDSWRQ-250

[keflavich]

This looks like a great addition.

Could you clarify - does the get_cutout function currently work with an older siap version? Or does it not work at all?

[keflavich]

Also the current test failures look like they're caused by incomplete monkeypatching of the remote queries; something is still reaching out to the internet - but I think that's what you're actively debugging as I type.

[cosmoJFH]

Could you clarify - does the get_cutout function currently work with an older siap version? Or does it not work at all?

The get_sia + get_cutout can be seen as analogous to the datalink service, where the get_links (get_sia) serves as the discovery component, and the get_data (get_cutout) acts as the downloading component.

[codecov]

Codecov Report

❌ Patch coverage is 85.93750% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.71%. Comparing base (3881ee9) to head (4b78397).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
astroquery/esa/euclid/core.py	86.66%	8 Missing ⚠️
astroquery/utils/tap/core.py	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3506      +/-   ##
==========================================
+ Coverage   72.67%   72.71%   +0.03%     
==========================================
  Files         219      219              
  Lines       20485    20547      +62     
==========================================
+ Hits        14887    14940      +53     
- Misses       5598     5607       +9     

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[cosmoJFH]

Hi team, we have planned to make new changes in the Euclid module in our next sprint, but we would need to complete this task beforehand. Do you need us to make any other thing related to this PR?