X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/3741afa6dc5eced78483b2c2793a8eead0a2396e..690f9ec06fd7a08b41de027427d8a1d3d0e3ff2e:/nominatim/tokenizer/sanitizers/clean_housenumbers.py

diff --git a/nominatim/tokenizer/sanitizers/clean_housenumbers.py b/nominatim/tokenizer/sanitizers/clean_housenumbers.py
index 9777a7fc..49f9b4f0 100644
--- a/nominatim/tokenizer/sanitizers/clean_housenumbers.py
+++ b/nominatim/tokenizer/sanitizers/clean_housenumbers.py
@@ -5,7 +5,11 @@
 # Copyright (C) 2022 by the Nominatim developer community.
 # For a full list of authors see the git log.
 """
-Sanitizer that cleans and normalizes house numbers.
+Sanitizer that preprocesses address tags for house numbers. The sanitizer
+allows to
+
+* define which tags are to be considered house numbers (see 'filter-kind')
+* split house number lists into individual numbers (see 'delimiters')
 
 Arguments:
     delimiters: Define the set of characters to be used for
@@ -33,7 +37,8 @@ class _HousenumberSanitizer:
         new_address = []
         for item in obj.address:
             if self.filter_kind(item):
-                new_address.extend(item.clone(kind='housenumber', name=n) for n in self.sanitize(item.name))
+                new_address.extend(item.clone(kind='housenumber', name=n)
+                                   for n in self.sanitize(item.name))
             else:
                 # Don't touch other address items.
                 new_address.append(item)
@@ -52,7 +57,8 @@ class _HousenumberSanitizer:
                 yield from self._regularize(hnr)
 
 
-    def _regularize(self, hnr):
+    @staticmethod
+    def _regularize(hnr):
         yield hnr