[SQUASH] Add a way to temporarily disable a parameter (excludes from parameter loading/hyperopt) and print parameter values when executed.

freqtrade/optimize/hyperopt_auto.py

@@ -51,6 +51,7 @@ class HyperOptAuto(IHyperOpt):
 
     def _generate_indicator_space(self, category):
         for attr_name, attr in self.strategy.enumerate_parameters(category):
+            if attr.enabled:
                 yield attr.get_space(attr_name)
 
     def _get_indicator_space(self, category, fallback_method_name):

freqtrade/strategy/hyper.py

@@ -2,6 +2,7 @@
 IHyperStrategy interface, hyperoptable Parameter class.
 This module defines a base class for auto-hyperoptable strategies.
 """
+import logging
 from contextlib import suppress
 from typing import Iterator, Tuple, Any, Optional, Sequence, Union
 
@@ -11,6 +12,9 @@ with suppress(ImportError):
 from freqtrade.exceptions import OperationalException
 
 
+logger = logging.getLogger(__name__)
+
+
 class BaseParameter(object):
     """
     Defines a parameter that can be optimized by hyperopt.
@@ -21,7 +25,7 @@ class BaseParameter(object):
     opt_range: Sequence[Any]
 
     def __init__(self, *, opt_range: Sequence[Any], default: Any, space: Optional[str] = None,
-                 **kwargs):
+                 enabled: bool = True, **kwargs):
         """
         Initialize hyperopt-optimizable parameter.
         :param space: A parameter category. Can be 'buy' or 'sell'. This parameter is optional if
@@ -36,6 +40,7 @@ class BaseParameter(object):
         self._space_params = kwargs
         self.value = default
         self.opt_range = opt_range
+        self.enabled = enabled
 
     def __repr__(self):
         return f'{self.__class__.__name__}({self.value})'
@@ -50,7 +55,7 @@ class IntParameter(BaseParameter):
     opt_range: Sequence[int]
 
     def __init__(self, low: Union[int, Sequence[int]], high: Optional[int] = None, *, default: int,
-                 space: Optional[str] = None, **kwargs):
+                 space: Optional[str] = None, enabled: bool = True, **kwargs):
         """
         Initialize hyperopt-optimizable parameter.
         :param low: lower end of optimization space or [low, high].
@@ -67,7 +72,8 @@ class IntParameter(BaseParameter):
             opt_range = low
         else:
             opt_range = [low, high]
-        super().__init__(opt_range=opt_range, default=default, space=space, **kwargs)
+        super().__init__(opt_range=opt_range, default=default, space=space, enabled=enabled,
+                         **kwargs)
 
     def get_space(self, name: str) -> 'Integer':
         """
@@ -83,7 +89,7 @@ class FloatParameter(BaseParameter):
     opt_range: Sequence[float]
 
     def __init__(self, low: Union[float, Sequence[float]], high: Optional[int] = None, *,
-                 default: float, space: Optional[str] = None, **kwargs):
+                 default: float, space: Optional[str] = None, enabled: bool = True, **kwargs):
         """
         Initialize hyperopt-optimizable parameter.
         :param low: lower end of optimization space or [low, high].
@@ -100,7 +106,8 @@ class FloatParameter(BaseParameter):
             opt_range = low
         else:
             opt_range = [low, high]
-        super().__init__(opt_range=opt_range, default=default, space=space, **kwargs)
+        super().__init__(opt_range=opt_range, default=default, space=space, enabled=enabled,
+                         **kwargs)
 
     def get_space(self, name: str) -> 'Real':
         """
@@ -116,7 +123,7 @@ class CategoricalParameter(BaseParameter):
     opt_range: Sequence[Any]
 
     def __init__(self, categories: Sequence[Any], *, default: Optional[Any] = None,
-                 space: Optional[str] = None, **kwargs):
+                 space: Optional[str] = None, enabled: bool = True, **kwargs):
         """
         Initialize hyperopt-optimizable parameter.
         :param categories: Optimization space, [a, b, ...].
@@ -130,7 +137,8 @@ class CategoricalParameter(BaseParameter):
         if len(categories) < 2:
             raise OperationalException(
                 'IntParameter space must be [a, b, ...] (at least two parameters)')
-        super().__init__(opt_range=categories, default=default, space=space, **kwargs)
+        super().__init__(opt_range=categories, default=default, space=space, enabled=enabled,
+                         **kwargs)
 
     def get_space(self, name: str) -> 'Categorical':
         """
@@ -167,6 +175,7 @@ class HyperStrategyMixin(object):
                 if issubclass(attr.__class__, BaseParameter):
                     if category is None or category == attr.category or \
                        attr_name.startswith(category + '_'):
+                        if attr.enabled:
                             yield attr_name, attr
 
     def _load_params(self, params: dict) -> None:
@@ -178,4 +187,9 @@ class HyperStrategyMixin(object):
             return
         for attr_name, attr in self.enumerate_parameters():
             if attr_name in params:
+                if attr.enabled:
                     attr.value = params[attr_name]
+                    logger.info(f'attr_name = {attr.value}')
+                else:
+                    logger.warning(f'Parameter "{attr_name}" exists, but is disabled. '
+                                   f'Default value "{attr.value}" used.')