[CLI] Remove duplicates from search results (qmk#22528)

Author: tzarc

lib/python/qmk/build_targets.py

@@ -31,6 +31,17 @@ def __str__(self):
     def __repr__(self):
         return f'BuildTarget(keyboard={self.keyboard}, keymap={self.keymap})'
 
+    def __eq__(self, __value: object) -> bool:
+        if not isinstance(__value, BuildTarget):
+            return False
+        return self.__repr__() == __value.__repr__()
+
+    def __ne__(self, __value: object) -> bool:
+        return not self.__eq__(__value)
+
+    def __hash__(self) -> int:
+        return self.__repr__().__hash__()
+
     def configure(self, parallel: int = None, clean: bool = None, compiledb: bool = None) -> None:
         if parallel is not None:
             self._parallel = parallel

lib/python/qmk/search.py

@@ -122,7 +122,7 @@ def _filter_keymap_targets(target_list: List[Tuple[str, str]], filters: List[str
     """
     if len(filters) == 0:
         cli.log.info('Preparing target list...')
-        targets = list(parallel_map(_construct_build_target_kb_km, target_list))
+        targets = list(set(parallel_map(_construct_build_target_kb_km, target_list)))
     else:
         cli.log.info('Parsing data for all matching keyboard/keymap combinations...')
         valid_keymaps = [(e[0], e[1], dotty(e[2])) for e in parallel_map(_load_keymap_info, target_list)]
@@ -183,7 +183,7 @@ def f(e):
 
         cli.log.info('Preparing target list...')
         valid_keymaps = [(e[0], e[1], e[2].to_dict() if isinstance(e[2], Dotty) else e[2]) for e in valid_keymaps]  # need to convert dotty_dict back to dict because it doesn't survive parallelisation
-        targets = list(parallel_map(_construct_build_target_kb_km_json, list(valid_keymaps)))
+        targets = list(set(parallel_map(_construct_build_target_kb_km_json, list(valid_keymaps))))
 
     return targets