move logic from hyperopt to freqtrade.strategy

freqtrade/strategy/__init__.py

@@ -0,0 +1,32 @@
+import logging
+from copy import deepcopy
+
+from freqtrade.strategy.interface import IStrategy
+
+
+logger = logging.getLogger(__name__)
+
+
+def import_strategy(strategy: IStrategy) -> IStrategy:
+    """
+    Imports given Strategy instance to global scope
+    of freqtrade.strategy and returns an instance of it
+    """
+    # Copy all attributes from base class and class
+    attr = deepcopy({**strategy.__class__.__dict__, **strategy.__dict__})
+    # Adjust module name
+    attr['__module__'] = 'freqtrade.strategy'
+
+    name = strategy.__class__.__name__
+    clazz = type(name, (IStrategy,), attr)
+
+    logger.debug(
+        'Imported strategy %s.%s as %s.%s',
+        strategy.__module__, strategy.__class__.__name__,
+        clazz.__module__, strategy.__class__.__name__,
+    )
+
+    # Modify global scope to declare class
+    globals()[name] = clazz
+
+    return clazz()