Deprecate Commit.trailers.

Author: itsluketwist

git/objects/commit.py

@@ -335,24 +335,6 @@ def stats(self) -> Stats:
             text = self.repo.git.diff(self.parents[0].hexsha, self.hexsha, "--", numstat=True, no_renames=True)
         return Stats._list_from_string(self.repo, text)
 
-    @property
-    def trailers(self) -> Dict[str, str]:
-        """Get the trailers of the message as a dictionary
-
-        Git messages can contain trailer information that are similar to RFC 822
-        e-mail headers (see: https://git-scm.com/docs/git-interpret-trailers).
-
-        WARNING: This function only returns the latest instance of each trailer key
-        and will be deprecated soon. Please see either ``Commit.trailers_list`` or ``Commit.trailers_dict``.
-
-        :return:
-            Dictionary containing whitespace stripped trailer information.
-            Only the latest instance of each trailer key.
-        """
-        return {
-            k: v[0] for k, v in self.trailers_dict.items()
-        }
-
     @property
     def trailers_list(self) -> List[str]:
         """Get the trailers of the message as a list

test/test_commit.py

@@ -523,10 +523,6 @@ def test_trailers(self):
                 KEY_1: [VALUE_1_1, VALUE_1_2],
                 KEY_2: [VALUE_2],
             }
-            assert commit.trailers == {
-                KEY_1: VALUE_1_1,
-                KEY_2: VALUE_2,
-            }
 
         # check that trailer stays empty for multiple msg combinations
         msgs = [
@@ -543,14 +539,12 @@ def test_trailers(self):
             commit.message = msg
             assert commit.trailers_list == []
             assert commit.trailers_dict == {}
-            assert commit.trailers == {}
 
         # check that only the last key value paragraph is evaluated
         commit = copy.copy(self.rorepo.commit("master"))
         commit.message = f"Subject\n\nMultiline\nBody\n\n{KEY_1}: {VALUE_1_1}\n\n{KEY_2}: {VALUE_2}\n"
         assert commit.trailers_list == [f"{KEY_2}: {VALUE_2}"]
         assert commit.trailers_dict == {KEY_2: [VALUE_2]}
-        assert commit.trailers == {KEY_2: VALUE_2}
 
     def test_commit_co_authors(self):
         commit = copy.copy(self.rorepo.commit("4251bd5"))