Properly track bt progress ...

freqtrade/optimize/bt_progress.py

@@ -0,0 +1,34 @@
+
+from freqtrade.enums import BacktestState
+
+
+class BTProgress:
+    _action: BacktestState = BacktestState.STARTUP
+    _progress: float = 0
+    _max_steps: float = 0
+
+    def __init__(self):
+        pass
+
+    def init_step(self, action: BacktestState, max_steps: float):
+        self._action = action
+        self._max_steps = max_steps
+        self._proress = 0
+
+    def set_new_value(self, new_value: float):
+        self._progress = new_value
+
+    def increment(self):
+        self._progress += 1
+
+    @property
+    def progress(self):
+        """
+        Get progress as ratio, capped to be between 0 and 1 (to avoid small calculation errors).
+        """
+        return max(min(round(self._progress / self._max_steps, 5)
+                       if self._max_steps > 0 else 0, 1), 0)
+
+    @property
+    def action(self):
+        return str(self._action)