Specialized processor for housenumbers. Analyses common housenumber patterns
and creates variants for them.
"""
-from typing import Mapping, Any, List, cast
+from typing import Any, List, cast
import re
+from nominatim.data.place_name import PlaceName
from nominatim.tokenizer.token_analysis.generic_mutation import MutationVariantGenerator
RE_NON_DIGIT = re.compile('[^0-9]')
### Configuration section
-def configure(rules: Mapping[str, Any], normalization_rules: str) -> None: # pylint: disable=W0613
+def configure(*_: Any) -> None:
""" All behaviour is currently hard-coded.
"""
return None
self.mutator = MutationVariantGenerator('␣', (' ', ''))
- def normalize(self, name: str) -> str:
+ def get_canonical_id(self, name: PlaceName) -> str:
""" Return the normalized form of the housenumber.
"""
# shortcut for number-only numbers, which make up 90% of the data.
- if RE_NON_DIGIT.search(name) is None:
- return name
+ if RE_NON_DIGIT.search(name.name) is None:
+ return name.name
- norm = cast(str, self.trans.transliterate(self.norm.transliterate(name)))
+ norm = cast(str, self.trans.transliterate(self.norm.transliterate(name.name)))
# If there is a significant non-numeric part, use as is.
if RE_NAMED_PART.search(norm) is None:
# Otherwise add optional spaces between digits and letters.
return norm
- def get_variants_ascii(self, norm_name: str) -> List[str]:
+ def compute_variants(self, norm_name: str) -> List[str]:
""" Compute the spelling variants for the given normalized housenumber.
Generates variants for optional spaces (marked with '␣').