Removed class type pair getter that used style sheets from both spi_importer and the associated testing function

src/nominatim_db/tools/special_phrases/sp_importer.py

@@ -16,7 +16,6 @@
 from typing import Iterable, Tuple, Mapping, Sequence, Optional, Set
 import logging
 import re
-import json
 from psycopg.sql import Identifier, SQL
 
 from ...typing import Protocol
@@ -65,30 +64,6 @@ class SPImporter():
         # special phrases class/type on the wiki.
         self.table_phrases_to_delete: Set[str] = set()
 
-    def get_classtype_pairs_style(self) -> Set[Tuple[str, str]]:
-        """
-            Returns list of allowed special phrases from the the style file,
-            restricting to a list of combinations of classes and types
-            which have a 'main' property
-
-            Note: This requirement was from 2021 and I am a bit unsure if it is still relevant
-        """
-        style_file = self.config.get_import_style_file()  # import style file as json
-        with open(style_file, 'r') as file:
-            style_data = json.loads(f'[{file.read()}]')
-
-        style_combinations = set()
-        for _map in style_data:  # following ../settings/import-extratags.style
-            classes = _map.get("keys", [])
-            values = _map.get("values", {})
-
-            for _type, properties in values.items():
-                if "main" in properties and _type:  # make sure the tag is a non-empty string
-                    for _class in classes:
-                        style_combinations.add((_class, _type))  # type is the value of the main tag
-
-        return style_combinations
-
     def get_classtype_pairs(self) -> Set[Tuple[str, str]]:
         """
             Returns list of allowed special phrases from the database,

test/python/tools/test_sp_importer.py

@@ -1,80 +1,9 @@
 import pytest
 import tempfile
-import json
 import os
 
 from nominatim_db.tools.special_phrases.sp_importer import SPImporter
 
-# Testing Style Class Pair Retrival
-@pytest.fixture
-def sample_style_file():
-    sample_data = [
-        {
-            "keys" : ["emergency"],
-            "values" : {
-                "fire_hydrant" : "skip",
-                "yes" : "skip",
-                "no" : "skip",
-                "" : "main"
-            }
-        },
-        {
-            "keys" : ["historic", "military"],
-            "values" : {
-                "no" : "skip",
-                "yes" : "skip",
-                "" : "main"
-            }
-        },
-        {
-            "keys" : ["name:prefix", "name:suffix", "name:prefix:*", "name:suffix:*",
-                    "name:botanical", "wikidata", "*:wikidata"],
-            "values" : {
-                "" : "extra"
-            }
-        },
-        {
-            "keys" : ["addr:housename"],
-            "values" : {
-                "" : "name,house"
-            }
-        },
-        {
-            "keys": ["highway"],
-            "values": {
-                "motorway": "main",
-                "": "skip"
-            }
-        }
-    ]
-    content = ",".join(json.dumps(entry) for entry in sample_data)
-
-    with tempfile.NamedTemporaryFile(mode='w+', delete=False) as tmp:
-        tmp.write(content)
-        tmp_path = tmp.name
-
-    yield tmp_path
-    os.remove(tmp_path)
-
-def test_get_classtype_style(sample_style_file):
-    class Config:
-        def get_import_style_file(self):
-            return sample_style_file
-        
-        def load_sub_configuration(self, name):
-            return {'blackList': {}, 'whiteList': {}}
-
-    config = Config()
-    importer = SPImporter(config=config, conn=None, sp_loader=None)
-
-    result = importer.get_classtype_pairs_style()
-
-    expected = {
-        ("highway", "motorway"),
-    }
-
-    assert expected.issubset(result)
-
 # Testing Database Class Pair Retrival using Mock Database
 def test_get_classtype_pairs(monkeypatch):
     class Config: