Remove Subreddits.search_by_topic method

CHANGES.rst

@@ -30,6 +30,7 @@ Unreleased
 - Remove ``Redditor.gildings`` method.
 - Remove ``Subreddit.mod.inbox``, ``Subreddit.mod.unread``, and
   ``Subreddit.mod.stream.unread`` methods.
+- Remove ``Subreddits.search_by_topic`` method.
 - Remove ``Subreddits.gold`` method.
 - Remove :class:`.Reddit` keyword argument ``token_manager`` and all associated token
   managers.
@@ -1051,8 +1052,7 @@ as described below:
 
 **Added**
 
-- :meth:`.Subreddits.search_by_topic` to search subreddits by topic. (see:
-  https://www.reddit.com/dev/api/#GET_api_subreddits_by_topic).
+- ``Subreddits.search_by_topic`` to search subreddits by topic.
 - :meth:`.LiveHelper.__call__` to provide interface to
   ``praw.models.LiveThread.__init__``.
 - :class:`.SubredditFilters` to work with filters for special subreddits, like

praw/endpoints.py

@@ -177,7 +177,6 @@
     "subreddit_filter_list":   "api/filter/user/{user}/f/{special}",
     "subreddit_settings":      "r/{subreddit}/about/edit/",
     "subreddit_stylesheet":    "r/{subreddit}/api/subreddit_stylesheet/",
-    "subreddits_by_topic":     "api/subreddits_by_topic",
     "subreddits_default":      "subreddits/default/",
     "subreddits_name_search":  "api/search_reddit_names/",
     "subreddits_new":          "subreddits/new/",

praw/models/subreddits.py

@@ -121,19 +121,6 @@ def search_by_name(
         )
         return [self._reddit.subreddit(x) for x in result["names"]]
 
-    def search_by_topic(self, query: str) -> list[praw.models.Subreddit]:
-        """Return list of Subreddits whose topics match ``query``.
-
-        :param query: Search for subreddits relevant to the search topic.
-
-        .. note::
-
-            As of 09/01/2020, this endpoint always returns 404.
-
-        """
-        result = self._reddit.get(API_PATH["subreddits_by_topic"], params={"query": query})
-        return [self._reddit.subreddit(x["name"]) for x in result if x.get("name")]
-
     def stream(self, **stream_options: str | int | dict[str, str]) -> Iterator[praw.models.Subreddit]:
         """Yield new subreddits as they are created.
 

tests/integration/models/test_subreddits.py

@@ -58,16 +58,6 @@ def test_search_by_name(self, reddit):
         assert len(subreddits) > 1
         assert all(isinstance(x, Subreddit) for x in subreddits)
 
-    def test_search_by_topic(self, reddit):
-        subreddits = reddit.subreddits.search_by_topic("python")
-        assert isinstance(subreddits, list)
-        assert len(subreddits) > 1
-        assert all(isinstance(x, Subreddit) for x in subreddits)
-
-        subreddits = reddit.subreddits.search_by_topic("xvfx2741r")
-        assert isinstance(subreddits, list)
-        assert len(subreddits) == 0
-
     def test_stream(self, reddit):
         generator = reddit.subreddits.stream()
         for _i in range(101):