Remove all uses of cgi

The `cgi` module from the Python standard library is deprecated as of
Python 3.11, see PEP 594: https://peps.python.org/pep-0594/
All uses of `cgi` in `astroquery` have been replaced following the
example provided in the PEP.

astroquery/esa/hsa/core.py

@@ -1,9 +1,9 @@
 # Licensed under a 3-clause BSD style license - see LICENSE.rst
 
-import cgi
 import os
 import re
 import shutil
+from email.message import Message
 from pathlib import Path
 
 from astropy import units as u
@@ -113,10 +113,9 @@ def download_data(self, *, retrieval_type="OBSERVATION", observation_id=None,
                 error = "Please set either 'obervation_id' or 'filename' for the output"
                 raise ValueError(error)
 
-        _, res_params = cgi.parse_header(response.headers['Content-Disposition'])
-
-        r_filename = res_params["filename"]
-        suffixes = Path(r_filename).suffixes
+        message = Message()
+        message["content-type"] = response.headers["Content-Disposition"]
+        suffixes = Path(message.get_param("filename")).suffixes
 
         if len(suffixes) > 1 and suffixes[-1] == ".jpg":
             filename += suffixes[-1]
@@ -205,10 +204,9 @@ def get_observation(self, observation_id, instrument_name, *, filename=None,
 
         response.raise_for_status()
 
-        _, res_params = cgi.parse_header(response.headers['Content-Disposition'])
-
-        r_filename = res_params["filename"]
-        suffixes = Path(r_filename).suffixes
+        message = Message()
+        message["content-type"] = response.headers["Content-Disposition"]
+        suffixes = Path(message.get_param("filename")).suffixes
 
         if filename is None:
             filename = observation_id

astroquery/esa/iso/core.py

@@ -12,7 +12,7 @@
 from astroquery.utils.tap.core import TapPlus
 from astroquery.query import BaseQuery
 import shutil
-import cgi
+from email.message import Message
 from requests import HTTPError
 from pathlib import Path
 
@@ -122,9 +122,9 @@ def download_data(self, tdt, *, retrieval_type=None, filename=None,
         response.raise_for_status()
 
         # Get original extension
-        _, params = cgi.parse_header(response.headers['Content-Disposition'])
-        r_filename = params["filename"]
-        suffixes = Path(r_filename).suffixes
+        message = Message()
+        message["content-type"] = response.headers["Content-Disposition"]
+        suffixes = Path(message.get_param("filename")).suffixes
 
         if filename is None:
             filename = tdt

astroquery/esa/xmm_newton/core.py

@@ -13,11 +13,11 @@
 """
 import re
 import shutil
-import cgi
 from pathlib import Path
 import tarfile
 import os
 import configparser
+from email.message import Message
 
 from astropy.io import fits
 from astroquery import log
@@ -296,7 +296,9 @@ def _request_link(self, link, cache):
         response = self._request('HEAD', link, save=False, cache=cache)
         # Get original extension
         if 'Content-Type' in response.headers and 'text' not in response.headers['Content-Type']:
-            _, params = cgi.parse_header(response.headers['Content-Disposition'])
+            message = Message()
+            message["content-type"] = response.headers["Content-Disposition"]
+            params = dict(message.get_params()[1:])
         elif response.status_code == 401:
             error = "Data protected by proprietary rights. Please check your credentials"
             raise LoginError(error)

setup.cfg

@@ -41,8 +41,6 @@ filterwarnings =
     ignore:distutils Version classes are deprecated:DeprecationWarning
 # Remove along with astropy-helpers, once we switch to a new versioning scheme
     ignore:Use setlocale:DeprecationWarning
-# Remove with fix for https://github.com/astropy/astroquery/issues/2628
-    ignore:\'cgi\' is deprecated and:DeprecationWarning
 # Upstream issues in many packages, not clear whether we can do anything about these in astroquery
     ignore:unclosed <socket.socket:ResourceWarning
     ignore:unclosed <ssl.SSLSocket:ResourceWarning