coordinates to location node initial commit

src/goofi/nodes/analysis/coord2loc.py

@@ -0,0 +1,83 @@
+import numpy as np
+from geopy.geocoders import Nominatim
+from goofi.data import Data, DataType
+from goofi.node import Node
+from goofi.params import FloatParam
+
+class coord2loc(Node):
+    def config_input_slots():
+        return {
+            "latitude": DataType.ARRAY,
+            "longitude": DataType.ARRAY
+        }
+
+    def config_output_slots():
+        return {
+            "coord_info": DataType.TABLE,
+        }
+
+    def setup(self):
+        # list keys : ['ISO3166-2-lvl4', 'ISO3166-2-lvl6', 'ISO3166-2-lvl7', 'city',
+        # 'city_district', 'country', 'country_code', 'county', 'district', 'hamlet', 'locality',
+        # 'municipality', 'postcode', 'region', 'road', 'state', 'state_district', 'suburb', 'town', 'village']
+        # Use a user-defined user agent to comply with Nominatim's usage policy
+        self.road = ['road']
+        self.village = ['village', 'hamlet']
+
+        self.city = ['city', 'town', 'locality', 'municipality', 'city_district']
+        self.state = ['state', 'region', 'state_district']
+        self.country = ['country']
+        self.geolocator = Nominatim(user_agent='my_application')
+
+    def process(self, latitude: Data, longitude: Data):
+        if latitude is None or latitude.data is None or longitude is None or longitude.data is None:
+            return None
+        # Check if both latitude and longitude data are provided
+        latitude = latitude.data
+        longitude = longitude.data
+
+        # Convert the input coordinates to a string format "latitude, longitude"
+        coordinates = (latitude, longitude)        
+        # Use geolocator to find the location from coordinates
+        location = self.geolocator.reverse(coordinates)
+
+        # Check if location is found
+        if location and location.address:
+
+            location_info = {}
+            for key in self.city:
+                value = location.raw.get('address', {}).get(key)
+                if value:
+                    location_info['city'] = Data(DataType.STRING, value, {})
+                    break
+            value = None
+            for key in self.state:
+                value = location.raw.get('address', {}).get(key)
+                if value:
+                    location_info['state'] = Data(DataType.STRING, value, {})
+                    break
+            value = None
+            for key in self.country:
+                value = location.raw.get('address', {}).get(key)
+                if value:
+                    location_info['country'] = Data(DataType.STRING, value, {})
+                    break
+            value = None
+            for key in self.road:
+                value = location.raw.get('address', {}).get(key)
+                if value:
+                    location_info['road'] = Data(DataType.STRING, value, {})
+                    break
+            value = None
+            for key in self.village:
+                value = location.raw.get('address', {}).get(key)
+                if value:
+                    location_info['village'] = Data(DataType.STRING, value, {})
+                    break
+            location_info['full_address'] = Data(DataType.STRING, location.address, {})
+            value = None
+
+            return {"coord_info": (location_info, {})}
+        else:
+            return {"coord_info": ({'info':Data(DataType.STRING, "No address found", {})}, {})}
+