Model/backend/OrdnanceSurvey.py
2023-12-29 17:12:15 +00:00

48 lines
1.7 KiB
Python

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