test/python/dummy_tokenizer.py

   1 # SPDX-License-Identifier: GPL-3.0-or-later
   2 #
   3 # This file is part of Nominatim. (https://nominatim.org)
   4 #
   5 # Copyright (C) 2025 by the Nominatim developer community.
   6 # For a full list of authors see the git log.
   7 """
   8 Tokenizer for testing.
   9 """
  10 from nominatim_db.data.place_info import PlaceInfo
  11 from nominatim_db.config import Configuration
  12
  13
  14 def create(dsn):
  15     """ Create a new instance of the tokenizer provided by this module.
  16     """
  17     return DummyTokenizer(dsn)
  18
  19
  20 class DummyTokenizer:
  21
  22     def __init__(self, dsn):
  23         self.dsn = dsn
  24         self.init_state = None
  25         self.analyser_cache = {}
  26
  27     def init_new_db(self, *args, **kwargs):
  28         assert self.init_state is None
  29         self.init_state = "new"
  30
  31     def init_from_project(self, config):
  32         assert isinstance(config, Configuration)
  33         assert self.init_state is None
  34         self.init_state = "loaded"
  35
  36     @staticmethod
  37     def finalize_import(_):
  38         pass
  39
  40     def name_analyzer(self):
  41         return DummyNameAnalyzer(self.analyser_cache)
  42
  43
  44 class DummyNameAnalyzer:
  45
  46     def __enter__(self):
  47         return self
  48
  49     def __exit__(self, exc_type, exc_value, traceback):
  50         self.close()
  51
  52     def __init__(self, cache):
  53         self.analyser_cache = cache
  54         cache['countries'] = []
  55
  56     def close(self):
  57         pass
  58
  59     @staticmethod
  60     def normalize_postcode(postcode):
  61         return postcode
  62
  63     @staticmethod
  64     def update_postcodes_from_db():
  65         pass
  66
  67     def update_special_phrases(self, phrases, should_replace):
  68         self.analyser_cache['special_phrases'] = phrases
  69
  70     def add_country_names(self, code, names):
  71         self.analyser_cache['countries'].append((code, names))
  72
  73     @staticmethod
  74     def process_place(place):
  75         assert isinstance(place, PlaceInfo)
  76         return {}