Merge remote-tracking branch 'upstream/master'

[nominatim.git] / nominatim / api / search / query_analyzer_factory.py

diff --git a/nominatim/api/search/query_analyzer_factory.py b/nominatim/api/search/query_analyzer_factory.py
index 35649d0ffe4cb544daf5a07a0df17ebbfe159d81..3666b7fcf5c33cf33cd5ab416ede48a7d22f4d34 100644 (file)
--- a/nominatim/api/search/query_analyzer_factory.py
+++ b/nominatim/api/search/query_analyzer_factory.py
@@ -19,7 +19,7 @@ if TYPE_CHECKING:
     from nominatim.api.search.query import Phrase, QueryStruct
 
 class AbstractQueryAnalyzer(ABC):
-    """ Class for analysing incomming queries.
+    """ Class for analysing incoming queries.
 
         Query analyzers are tied to the tokenizer used on import.
     """
@@ -30,6 +30,15 @@ class AbstractQueryAnalyzer(ABC):
         """
 
 
+    @abstractmethod
+    def normalize_text(self, text: str) -> str:
+        """ Bring the given text into a normalized form. That is the
+            standardized form search will work with. All information removed
+            at this stage is inevitably lost.
+        """
+
+
+
 async def make_query_analyzer(conn: SearchConnection) -> AbstractQueryAnalyzer:
     """ Create a query analyzer for the tokenizer used by the database.
     """