Option to maintain history.

pulquero · Apr 3, 2024 · 2c737ef · 2c737ef
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diff --git a/README.md b/README.md
@@ -71,6 +71,8 @@ So, by default, anything below £0.10 is mapped to Super Off-Peak, between £0.1
 
 `multiday` - current day rates are used to span one part of the week, and next day rates are used to span the rest (not compatible with in-app editor).
 
+`maintain_history`: keep previous schedules, don't calculate schedule afresh (default: false).
+
 
 ### Computed thresholds
 

diff --git a/src/apps/powerwall/__init__.py b/src/apps/powerwall/__init__.py
@@ -92,7 +92,9 @@ def update_powerwall_tariff():
 
     IMPORT_RATES.reset()
     EXPORT_RATES.reset()
-    WEEK_SCHEDULES.reset()
+
+    if not pyscript.app_config.get("maintain_history", False):
+        WEEK_SCHEDULES.reset()
 
 
 def get_breaks(config_key, default_value=None, required=True):