From a7118b40a780a83f566a6b419273b63a78790c5b Mon Sep 17 00:00:00 2001
From: Al <albarrentine@gmail.com>
Date: Fri, 19 Aug 2016 13:12:02 -0400
Subject: [PATCH] [intersections] Allowing tags like name_1, etc. to make it
 into road name permutations for intersections

---
 scripts/geodata/osm/formatter.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/scripts/geodata/osm/formatter.py b/scripts/geodata/osm/formatter.py
index 6b8bd648..00a94313 100644
--- a/scripts/geodata/osm/formatter.py
+++ b/scripts/geodata/osm/formatter.py
@@ -2,6 +2,7 @@
 import itertools
 import os
 import random
+import re
 import six
 import sys
 import yaml
@@ -65,6 +66,8 @@ JAPANESE_ROMAJI = 'ja_rm'
 
 ENGLISH = 'en'
 
+numbered_tag_regex = re.compile('_[\d]+$')
+
 
 class OSMAddressFormatter(object):
     aliases = Aliases(
@@ -226,6 +229,15 @@ class OSMAddressFormatter(object):
                     max_floors = num_floors
         return max_floors
 
+    def replace_numbered_tag(self, tag):
+        '''
+        If a tag is numbered like name_1, name_2, etc. replace it with name
+        '''
+        match = numbered_tag_regex.search(tag)
+        if not match:
+            return None
+        return tag[:match.start()]
+
     def abbreviated_street(self, street, language):
         '''
         Street abbreviations
@@ -1090,6 +1102,10 @@ class OSMAddressFormatter(object):
                 for tag in way:
                     tag = safe_decode(tag)
                     base_tag = tag.rsplit(six.u(':'), 1)[0]
+
+                    normalized_tag = self.replace_numbered_tag(base_tag)
+                    if normalized_tag:
+                        base_tag = normalized_tag
                     if base_tag not in all_name_tags:
                         continue
                     lang = safe_decode(tag.rsplit(six.u(':'))[-1]) if six.u(':') in tag else None