outline of epc_data/attributes/MainheatControlAttributes.py

epc_data/app.py

@@ -40,11 +40,11 @@ def handler():
     cleaner.clean()
 
     # For testing:
-    from epc_data.attributes.WindowAttributes import WindowAttributes
-    descriptions = {x["windows-description"] for x in data}
+    from epc_data.attributes.MainheatControlAttributes import MainheatControlAttributes
+    descriptions = {x["mainheatcont-description"] for x in data}
     out = []
     for description in descriptions:
-        res = WindowAttributes(description).process()
+        res = MainheatControlAttributes(description).process()
         out.append(
             {
                 "original_description": description,

epc_data/attributes/MainheatControlAttributes.py

@@ -0,0 +1,53 @@
+from typing import Dict, Union
+from epc_data.attributes.attribute_utils import clean_description
+
+
+class MainheatControlAttributes:
+    CONTROL_SYSTEM_KEYWORDS = [
+        "charging system", "flat rate charging", "no thermostatic control",
+        "programmer", "room thermostats", "trvs", "bypass", "flow switch",
+        "automatic charge control", "manual charge control",
+        "temperature zone control", "time and temperature zone control",
+        "high heat retention storage heaters", "appliance thermostats", "dhw only",
+        "no time or thermostatic control", "room thermostat"
+    ]
+
+    # These systems allow for the automatic regulation of temperature
+    THERMOSTATIC_CONTROL_KEYWORDS = []
+
+    # These systems provide a way to store and manage energy usage
+    CHARGING_SYSTEM_KEYWORDS = []
+
+    # These systems are mainly focused on on/off operations
+    SWITCH_SYSTEM_KEYWORDS = []
+
+    # hese keywords indicate a lack of control system
+    NO_CONTROL_SYSTEM_KEYWORDS = ["none"]
+
+    # These systems provide control specifically for Domestic Hot Water
+    DHW_CONTROL_KEYWORDS = []
+
+    def __init__(self, description: str):
+        self.description: str = clean_description(description.lower())
+
+        # In the case of an empty description, we want to return a dictionary with all values set to False
+        # and indicate there was no data
+        self.nodata = not description or self.description in self.NO_CONTROL_SYSTEM_KEYWORDS
+
+        if not self.nodata:
+            if not any(keyword in self.description for keyword in self.CONTROL_SYSTEM_KEYWORDS):
+                raise ValueError('Invalid description')
+
+    def process(self) -> Dict[str, Union[str, bool]]:
+        result: Dict[str, Union[str, bool]] = {
+            "no_data": self.nodata
+        }
+
+        if self.nodata:
+            return result
+
+        # We consolidate CONTROL_SYSTEM_KEYWORDS into separate attributes
+        for keyword in self.CONTROL_SYSTEM_KEYWORDS:
+            result[f'has_{keyword.replace(" ", "_")}'] = keyword in self.description
+
+        return result

epc_data/attributes/RoofAttributes.py

@@ -1,6 +1,6 @@
 import re
 from typing import Dict, Union
-from epc_data.attributes.attribute_utils import extract_component_types, extract_thermal_transmittance, process_part
+from epc_data.attributes.attribute_utils import extract_component_types, extract_thermal_transmittance
 
 
 class RoofAttributes: