working on the estimate epc method

backend/OrdnanceSurvey.py

@@ -0,0 +1,48 @@
+class OrdnanceSuveyClient:
+
+    def __init__(self, address, postcode):
+        """
+        This class is tasked with interaction with the ordnance survey API.
+        :param address:
+        :param postcode:
+        """
+
+        self.address = address
+        self.postcode = postcode
+
+    def get_places_api(self):
+        """
+        This method is tasked with getting the places api from the Ordnance Survey.
+        :return:
+        """
+        pass
+
+    @staticmethod
+    def parse_classification_code(classification_code: str):
+        """
+        This function will convert the classification code, returned by the OS places api, to a property type that is
+        compatible with the EPC database.
+
+        The various classifications cane be found here:
+        https://osdatahub.os.uk/docs/places/technicalSpecification
+
+        Under LPI Output, CLASSIFICATION_CODE is described, and a link is provided to the full table of classifications
+        For these purposes, we do not need the full classification as this includes non-residential properties. We only
+        parse the ones of interest to us
+        :return:
+        """
+
+        value_map = {
+            # In the OS api, "RD" is a "Dwelling" however this is not valid property type in the EPC database
+            'RD': {},
+            'RD02': {'property_type': 'House', 'built_form': 'Detatched'},
+            'RD03': {'property_type': 'House', 'built_form': 'Semi-Detatched'},
+            'RD04': {'property_type': 'House', 'built_form': 'Mid-Terrace'},
+            'RD06': {'property_type': 'Flat'},
+        }
+
+        mapped = value_map.get(classification_code, {})
+        property_type = mapped.get("property_type", "")
+        built_form = mapped.get("built_form", "")
+
+        return property_type, built_form

backend/requirements/base.txt

@@ -35,4 +35,5 @@ mip==1.15.0
 boto3==1.28.3
 pandas==1.5.3
 pyarrow==12.0.1
-textblob
+textblob
+usaddress==0.5.10

etl/epc/property_change_app.py

@@ -637,13 +637,6 @@ def app():
         file_key="sap_change_model/dataset_test.parquet",
     )
 
-    z = dataset[dataset["CONSTITUENCY"].isin(["E14000707", "E14000909"])]
-    z["CONSTITUENCY"].value_counts()
-
-    z[z["CONSTITUENCY"] == "E14000909"]["UPRN"].sample(1)
-
-    self.data[self.data["UPRN"] == "100030549358"]
-
 
 if __name__ == "__main__":
     app()