refactor: align wording from category to space

freqtrade/strategy/hyper.py

@@ -41,16 +41,14 @@ class HyperStrategyMixin:
         self._ft_params_from_file = params
         # Init/loading of parameters is done as part of ft_bot_start().
 
-    def enumerate_parameters(
-        self, category: str | None = None
-    ) -> Iterator[tuple[str, BaseParameter]]:
+    def enumerate_parameters(self, space: str | None = None) -> Iterator[tuple[str, BaseParameter]]:
         """
         Find all optimizable parameters and return (name, attr) iterator.
-        :param category:
+        :param space: parameter space to filter for, or None for all spaces.
         :return:
         """
-        for category in [c for c in self._ft_hyper_params if category is None or c == category]:
-            for par in self._ft_hyper_params[category].values():
+        for space in [c for c in self._ft_hyper_params if space is None or c == space]:
+            for par in self._ft_hyper_params[space].values():
                 yield par.name, par
 
     def ft_load_params_from_file(self) -> None:
@@ -132,8 +130,8 @@ class HyperStrategyMixin:
 
         for param_name, param in params.items():
             param.in_space = hyperopt and HyperoptTools.has_space(self.config, space)
-            if not param.category:
-                param.category = space
+            if not param.space:
+                param.space = space
 
             if param_values and param_name in param_values:
                 if param.load:
@@ -153,8 +151,8 @@ class HyperStrategyMixin:
         """
         params: dict[str, dict] = defaultdict(dict)
         for name, p in self.enumerate_parameters():
-            if p.category and (not p.optimize or not p.in_space):
-                params[p.category][name] = p.value
+            if p.space and (not p.optimize or not p.in_space):
+                params[p.space][name] = p.value
         return params
 
 
@@ -174,19 +172,19 @@ def detect_all_parameters(
         attr = getattr(obj, attr_name)
         if not issubclass(attr.__class__, BaseParameter):
             continue
-        if not attr.category:
-            # Category auto detection
-            for category in auto_categories:
-                if attr_name.startswith(category + "_"):
-                    attr.category = category
+        if not attr.space:
+            # space auto detection
+            for space in auto_categories:
+                if attr_name.startswith(space + "_"):
+                    attr.space = space
                     break
-        if attr.category is None:
+        if attr.space is None:
             raise OperationalException(f"Cannot determine parameter space for {attr_name}.")
 
-        if attr.category in ("all", "default") or attr.category.isidentifier() is False:
+        if attr.space in ("all", "default") or attr.space.isidentifier() is False:
             raise OperationalException(
-                f"'{attr.category}' is not a valid space. Parameter: {attr_name}."
+                f"'{attr.space}' is not a valid space. Parameter: {attr_name}."
             )
         attr.name = attr_name
-        result[attr.category][attr_name] = attr
+        result[attr.space][attr_name] = attr
     return result

freqtrade/strategy/parameters.py

@@ -32,7 +32,7 @@ class BaseParameter(ABC):
     Defines a parameter that can be optimized by hyperopt.
     """
 
-    category: str | None
+    space: str | None
     default: Any
     value: Any
     in_space: bool = False
@@ -61,7 +61,7 @@ class BaseParameter(ABC):
             raise OperationalException(
                 "Name is determined by parameter field name and can not be specified manually."
             )
-        self.category = space
+        self.space = space
         self._space_params = kwargs
         self.value = default
         self.optimize = optimize