"""
Data structures for more complex fields in abstract search descriptions.
"""
-from typing import List, Tuple, Iterator, cast
+from typing import List, Tuple, Iterator, cast, Dict
import dataclasses
import sqlalchemy as sa
""" Set the qulaifier field from the given tokens.
"""
if tokens:
- min_penalty = min(t.penalty for t in tokens)
+ categories: Dict[Tuple[str, str], float] = {}
+ min_penalty = 1000.0
+ for t in tokens:
+ if t.penalty < min_penalty:
+ min_penalty = t.penalty
+ cat = t.get_category()
+ if t.penalty < categories.get(cat, 1000.0):
+ categories[cat] = t.penalty
self.penalty += min_penalty
- self.qualifiers = WeightedCategories([t.get_category() for t in tokens],
- [t.penalty - min_penalty for t in tokens])
+ self.qualifiers = WeightedCategories(list(categories.keys()),
+ list(categories.values()))
def set_ranking(self, rankings: List[FieldRanking]) -> None:
return lookup
-def lookup_by_any_name(name_tokens: List[int], addr_tokens: List[int]) -> List[FieldLookup]:
+def lookup_by_any_name(name_tokens: List[int], addr_tokens: List[int],
+ lookup_type: str) -> List[FieldLookup]:
""" Create a lookup list where name tokens are looked up via index
and only one of the name tokens must be present.
Potential address tokens are used to restrict the search further.
"""
lookup = [FieldLookup('name_vector', name_tokens, 'lookup_any')]
if addr_tokens:
- lookup.append(FieldLookup('nameaddress_vector', addr_tokens, 'restrict'))
+ lookup.append(FieldLookup('nameaddress_vector', addr_tokens, lookup_type))
return lookup