refactor: restore AttributeRemovedError for resp.body (#2361)

* refactor: restore `AttributeRemovedError` for `resp.body`

* chore: update Python version in E2E tox envs

* chore: disable E2E Firefox

.github/workflows/tests.yaml

@@ -77,7 +77,9 @@ jobs:
           - env: "wsgi_servers"
           # E2E tests
           - env: "e2e_chrome"
-          - env: "e2e_firefox"
+          # TODO(vytas): Something is not working correctly with the
+          #   newly released Firefox 131.0, SeleniumBase, and our tests.
+          # - env: "e2e_firefox"
 
     steps:
       - name: Checkout repo

falcon/response.py

@@ -209,6 +209,20 @@ def status_code(self) -> int:
     def status_code(self, value: int) -> None:
         self.status = value
 
+    @property
+    def body(self) -> NoReturn:
+        raise AttributeRemovedError(
+            'The body attribute is no longer supported. '
+            'Please use the text attribute instead.'
+        )
+
+    @body.setter
+    def body(self, value: str) -> NoReturn:
+        raise AttributeRemovedError(
+            'The body attribute is no longer supported. '
+            'Please use the text attribute instead.'
+        )
+
     @property
     def data(self) -> Optional[bytes]:
         """Byte string representing response content.

tests/test_response.py

@@ -47,6 +47,17 @@ def test_add_link_removed(resp):
             resp.add_link('/things/1337', 'next')
 
 
+def test_body_removed(resp):
+    # NOTE(kgriffs): Ensure AttributeRemovedError inherits from AttributeError
+    for exc_type in (AttributeError, AttributeRemovedError):
+        with pytest.raises(exc_type):
+            resp.body = '{"message": "Hello, World!"}'
+
+    for exc_type in (AttributeError, AttributeRemovedError):
+        with pytest.raises(exc_type):
+            resp.body
+
+
 def test_response_attempt_to_set_read_only_headers(resp):
     resp.append_header('x-things1', 'thing-1')
     resp.append_header('x-things2', 'thing-2')

tox.ini

@@ -431,14 +431,14 @@ commands =
 # --------------------------------------------------------------------
 
 [testenv:e2e_chrome]
-basepython = python3.10
+basepython = python3.12
 deps =
     -r{toxinidir}/requirements/e2e
 commands =
     pytest {toxinidir}/e2e-tests/ --browser=chrome
 
 [testenv:e2e_firefox]
-basepython = python3.10
+basepython = python3.12
 deps =
     -r{toxinidir}/requirements/e2e
 commands =