[intersections] Adding places to intersection template, intersection phrase generator

scripts/geodata/intersections/query.py

@@ -0,0 +1,18 @@
+from collections import namedtuple
+
+from geodata.addresses.config import address_config
+from geodata.math.sampling import weighted_choice
+
+IntersectionQuery = namedtuple('IntersectionQuery', 'road1, intersection_phrase, road2')
+
+NULL_INTERSECTION_QUERY = IntersectionQuery(None, None, None)
+
+
+class Intersection(object):
+    @classmethod
+    def phrase(cls, language, country=None):
+        values, probs = address_config.alternative_probabilities('cross_streets.intersection', language, country=country)
+        if not values:
+            return None
+        phrase, props = weighted_choice(values, probs)
+        return phrase