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https://github.com/pacnpal/thrillwiki_django_no_react.git
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56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
from decimal import Decimal, ROUND_DOWN, InvalidOperation
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def normalize_coordinate(value, max_digits, decimal_places):
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"""Normalize coordinate to have exactly 6 decimal places"""
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try:
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if value is None:
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return None
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# Convert to Decimal for precise handling
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value = Decimal(str(value))
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# Round to exactly 6 decimal places
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value = value.quantize(Decimal('0.000001'), rounding=ROUND_DOWN)
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return float(value)
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except (TypeError, ValueError, InvalidOperation):
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return None
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def get_english_name(tags):
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"""Extract English name from OSM tags, falling back to default name"""
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# Try name:en first
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if 'name:en' in tags:
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return tags['name:en']
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# Then try int_name (international name)
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if 'int_name' in tags:
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return tags['int_name']
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# Fall back to default name
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return tags.get('name')
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def normalize_osm_result(result):
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"""Normalize OpenStreetMap result to use English names and normalized coordinates"""
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# Normalize coordinates
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result['lat'] = normalize_coordinate(float(result['lat']), 9, 6)
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result['lon'] = normalize_coordinate(float(result['lon']), 10, 6)
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# Get address details
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address = result.get('address', {})
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# Normalize place names to English where possible
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if 'namedetails' in result:
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# For main display name
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result['display_name'] = get_english_name(result['namedetails'])
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# For address components
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if 'city' in address and 'city_tags' in result:
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address['city'] = get_english_name(result['city_tags'])
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if 'state' in address and 'state_tags' in result:
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address['state'] = get_english_name(result['state_tags'])
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if 'country' in address and 'country_tags' in result:
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address['country'] = get_english_name(result['country_tags'])
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result['address'] = address
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return result
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