Merge pull request #3383 from lonvia/window-searches

[nominatim.git] / nominatim / tokenizer / token_analysis / postcodes.py

diff --git a/nominatim/tokenizer/token_analysis/postcodes.py b/nominatim/tokenizer/token_analysis/postcodes.py
index 18fc2a8ded2918b61884639d2ee769617d3ece65..94e936459c0e12ad18aaf8025f73e4468e8ec8d1 100644 (file)
--- a/nominatim/tokenizer/token_analysis/postcodes.py
+++ b/nominatim/tokenizer/token_analysis/postcodes.py
@@ -8,19 +8,21 @@
 Specialized processor for postcodes. Supports a 'lookup' variant of the
 token, which produces variants with optional spaces.
 """
+from typing import Any, List
 
 from nominatim.tokenizer.token_analysis.generic_mutation import MutationVariantGenerator
+from nominatim.data.place_name import PlaceName
 
 ### Configuration section
 
-def configure(rules, normalization_rules): # pylint: disable=W0613
+def configure(*_: Any) -> None:
     """ All behaviour is currently hard-coded.
     """
     return None
 
 ### Analysis section
 
-def create(normalizer, transliterator, config): # pylint: disable=W0613
+def create(normalizer: Any, transliterator: Any, config: None) -> 'PostcodeTokenAnalysis': # pylint: disable=W0613
     """ Create a new token analysis instance for this module.
     """
     return PostcodeTokenAnalysis(normalizer, transliterator)
@@ -30,28 +32,26 @@ class PostcodeTokenAnalysis:
     """ Special normalization and variant generation for postcodes.
 
         This analyser must not be used with anything but postcodes as
-        it follows some special rules: `normalize` doesn't necessarily
-        need to return a standard form as per normalization rules. It
-        needs to return the canonical form of the postcode that is also
-        used for output. `get_variants_ascii` then needs to ensure that
+        it follows some special rules: the canonial ID is the form that
+        is used for the output. `compute_variants` then needs to ensure that
         the generated variants once more follow the standard normalization
         and transliteration, so that postcodes are correctly recognised by
         the search algorithm.
     """
-    def __init__(self, norm, trans):
+    def __init__(self, norm: Any, trans: Any) -> None:
         self.norm = norm
         self.trans = trans
 
         self.mutator = MutationVariantGenerator(' ', (' ', ''))
 
 
-    def normalize(self, name):
+    def get_canonical_id(self, name: PlaceName) -> str:
         """ Return the standard form of the postcode.
         """
-        return name.strip().upper()
+        return name.name.strip().upper()
 
 
-    def get_variants_ascii(self, norm_name):
+    def compute_variants(self, norm_name: str) -> List[str]:
         """ Compute the spelling variants for the given normalized postcode.
 
             Takes the canonical form of the postcode, normalizes it using the