allow list-strategies to show if params are hyperoptable

freqtrade/strategy/hyper.py

@@ -273,11 +273,12 @@ class HyperStrategyMixin(object):
         for par in params:
             yield par.name, par
 
-    def _detect_parameters(self, category: str) -> Iterator[Tuple[str, BaseParameter]]:
+    @classmethod
+    def detect_parameters(cls, category: str) -> Iterator[Tuple[str, BaseParameter]]:
         """ Detect all parameters for 'category' """
-        for attr_name in dir(self):
+        for attr_name in dir(cls):
             if not attr_name.startswith('__'):  # Ignore internals, not strictly necessary.
-                attr = getattr(self, attr_name)
+                attr = getattr(cls, attr_name)
                 if issubclass(attr.__class__, BaseParameter):
                     if (attr_name.startswith(category + '_')
                             and attr.category is not None and attr.category != category):
@@ -287,6 +288,19 @@ class HyperStrategyMixin(object):
                             (attr_name.startswith(category + '_') and attr.category is None)):
                         yield attr_name, attr
 
+    @classmethod
+    def detect_all_parameters(cls) -> Dict:
+        """ Detect all parameters and return them as a list"""
+        params: Dict = {
+            'buy': list(cls.detect_parameters('buy')),
+            'sell': list(cls.detect_parameters('sell')),
+        }
+        params.update({
+            'count': len(params['buy'] + params['sell'])
+        })
+
+        return params
+
     def _load_hyper_params(self, hyperopt: bool = False) -> None:
         """
         Load Hyperoptable parameters
@@ -303,7 +317,7 @@ class HyperStrategyMixin(object):
             logger.info(f"No params for {space} found, using default values.")
         param_container: List[BaseParameter] = getattr(self, f"ft_{space}_params")
 
-        for attr_name, attr in self._detect_parameters(space):
+        for attr_name, attr in self.detect_parameters(space):
             attr.name = attr_name
             attr.in_space = hyperopt and HyperoptTools.has_space(self.config, space)
             if not attr.category: