X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/f07f8530a824ed7b4d26e8d6697c57a69426919e..8c54f9d7044c7f354fcad43de033b4a1cfc1ac56:/nominatim/api/search/token_assignment.py?ds=sidebyside diff --git a/nominatim/api/search/token_assignment.py b/nominatim/api/search/token_assignment.py index 7a53a20e..95eb7f70 100644 --- a/nominatim/api/search/token_assignment.py +++ b/nominatim/api/search/token_assignment.py @@ -72,7 +72,7 @@ class TokenAssignment: # pylint: disable=too-many-instance-attributes class _TokenSequence: - """ Working state used to put together the token assignements. + """ Working state used to put together the token assignments. Represents an intermediate state while traversing the tokenized query. @@ -132,7 +132,7 @@ class _TokenSequence: # Name tokens are always acceptable and don't change direction if ttype == qmod.TokenType.PARTIAL: - # qualifiers cannot appear in the middle of the qeury. They need + # qualifiers cannot appear in the middle of the query. They need # to be near the next phrase. if self.direction == -1 \ and any(t.ttype == qmod.TokenType.QUALIFIER for t in self.seq[:-1]): @@ -225,23 +225,24 @@ class _TokenSequence: def _adapt_penalty_from_priors(self, priors: int, new_dir: int) -> bool: - if priors == 2: - self.penalty += 1.0 - elif priors > 2: + if priors >= 2: if self.direction == 0: self.direction = new_dir else: - return False + if priors == 2: + self.penalty += 0.8 + else: + return False return True def recheck_sequence(self) -> bool: """ Check that the sequence is a fully valid token assignment - and addapt direction and penalties further if necessary. + and adapt direction and penalties further if necessary. This function catches some impossible assignments that need - forward context and can therefore not be exluded when building + forward context and can therefore not be excluded when building the assignment. """ # housenumbers may not be further than 2 words from the beginning. @@ -277,10 +278,10 @@ class _TokenSequence: #
, should give preference to address search if base.postcode.start == 0: penalty = self.penalty - self.direction = -1 # name searches are only possbile backwards + self.direction = -1 # name searches are only possible backwards else: penalty = self.penalty + 0.1 - self.direction = 1 # name searches are only possbile forwards + self.direction = 1 # name searches are only possible forwards yield dataclasses.replace(base, penalty=penalty)