remove openstreetmaps dependency

hub/helpers/geometry_helper.py

@@ -6,9 +6,9 @@ Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
 Code contributors: Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
 """
 import math
+from pathlib import Path
 
 import numpy as np
-import requests
 from PIL import Image
 from trimesh import Trimesh
 from trimesh import intersections
@@ -298,19 +298,24 @@ class GeometryHelper:
     """
     Get Location from latitude and longitude
     """
-    url = 'https://nominatim.openstreetmap.org/reverse?lat={latitude}&lon={longitude}&format=json'
-    response = requests.get(url.format(latitude=latitude, longitude=longitude))
-    if response.status_code != 200:
-      # This means something went wrong.
-      raise Exception('GET /tasks/ {}'.format(response.status_code))
-
-    response = response.json()
+    _data_path = Path(Path(__file__).parent.parent / 'data/geolocation/cities15000.txt').resolve()
+    latitude = float(latitude)
+    longitude = float(longitude)
+    distance = math.inf
+    country = 'Unknown'
     city = 'Unknown'
-    country = 'ca'
-    if 'city' in response['address']:
-      city = response['address']['city']
-    if 'country_code' in response['address']:
-      country = response['address']['country_code']
+    with open(_data_path, 'r') as f:
+      for line_number, line in enumerate(f):
+        fields = line.split('\t')
+        file_city_name = fields[2]
+        file_latitude = float(fields[4])
+        file_longitude = float(fields[5])
+        file_country_code = fields[8]
+        new_distance = math.sqrt(pow((latitude - file_latitude), 2) + pow((longitude - file_longitude), 2))
+        if distance > new_distance:
+          distance = new_distance
+          country = file_country_code
+          city = file_city_name
     return Location(country, city)
 
   @staticmethod