/
matching.py
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/
matching.py
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import copy
from typing import cast, TypedDict
from entity_ids.property_ids import * # noqa: F403
from templates import Template, TemplateForm
from wikibase_types import Lexeme, LexemeForm, Statement, Statements
class MatchedTemplateForm(TemplateForm, total=False):
lexeme_forms: list[LexemeForm]
class MatchedTemplate(Template, total=False):
# forms: list[MatchedTemplateForm] # overwriting field is not allowed
ambiguous_lexeme_forms: list[LexemeForm]
unmatched_lexeme_forms: list[LexemeForm]
class OverallMatch(TypedDict):
language: bool
lexical_category: bool
matched_statements: Statements
missing_statements: Statements
conflicting_statements: Statements
# whether the presence of some statement for a property
# rules the lexeme out as a match for a template
# with a different statement for that property
properties_exclusive = {
'www': {
instance_of: False, # likely unrelated and okay
has_quality: True, # distinguishes between some Mandarin templates
grammatical_gender: True,
conjugation_class: True,
paradigm_class: True,
language_style: True, # distinguishes between two Czech infinitive forms
variety_of_lexeme_form_or_sense: True, # distinguishes between Punjabi forms
grammatical_aspect: True,
transitivity: True,
},
'test': {
# other “instance of” are likely unrelated and okay
'P82': False,
# other “grammatical gender” are incompatible
'P73601': True,
},
}
def match_template_to_lexeme_data(template: Template, lexeme_data: Lexeme) -> OverallMatch:
language_matches = template['language_item_id'] == lexeme_data['language']
lexical_category_matches = template['lexical_category_item_id'] == lexeme_data['lexicalCategory']
matched_statements, missing_statements, conflicting_statements = match_template_entity_to_lexeme_entity('test' in template, template, lexeme_data)
return {
'language': language_matches,
'lexical_category': lexical_category_matches,
'matched_statements': matched_statements,
'missing_statements': missing_statements,
'conflicting_statements': conflicting_statements,
}
def match_template_entity_to_lexeme_entity( # may be template + lexeme or template form + lexeme form
test: bool,
template_entity: Template | TemplateForm,
lexeme_entity: Lexeme | LexemeForm,
) -> tuple[Statements, Statements, Statements]:
matched_statements: Statements = {}
missing_statements: Statements = {}
conflicting_statements: Statements = {}
properties_exclusive_for_template_entity = properties_exclusive['test' if test else 'www']
for property_id in template_entity.get('statements', {}):
property_exclusive = properties_exclusive_for_template_entity[property_id]
for template_statement in template_entity['statements'][property_id]:
found_matching_statement = False
for lexeme_statement in lexeme_entity.get('claims', {}).get(property_id, []):
if match_statement(template_statement, lexeme_statement):
found_matching_statement = True
matched_statements.setdefault(property_id, [])\
.append(lexeme_statement)
break
if not found_matching_statement:
missing_statements.setdefault(property_id, [])\
.append(template_statement)
if property_exclusive:
for lexeme_statement in lexeme_entity.get('claims', {}).get(property_id, []):
if lexeme_statement not in matched_statements.get(property_id, []):
conflicting_statements.setdefault(property_id, [])\
.append(lexeme_statement)
return matched_statements, missing_statements, conflicting_statements
def match_statement(template_statement: Statement, lexeme_statement: Statement) -> bool:
# so far, we only compare the main snak (ignoring qualifiers and references),
# and only support entity ID values, because that’s all the templates use
if lexeme_statement['mainsnak']['snaktype'] == 'value':
if template_statement['mainsnak']['snaktype'] != 'value':
return False
template_statement_value_id = template_statement['mainsnak']['datavalue']['value']['id']
lexeme_statement_value_id = lexeme_statement['mainsnak']['datavalue']['value']['id']
return template_statement_value_id == lexeme_statement_value_id
else:
return lexeme_statement['mainsnak']['snaktype'] == template_statement['mainsnak']['snaktype']
def match_lexeme_forms_to_template(lexeme_forms: list, template: Template) -> MatchedTemplate:
template = cast(MatchedTemplate, copy.deepcopy(template))
for lexeme_form in lexeme_forms:
best_template_forms = match_lexeme_form_to_template_forms('test' in template, lexeme_form, template['forms'])
if len(best_template_forms) == 1:
best_template_form = cast(MatchedTemplateForm, best_template_forms[0])
best_template_form.setdefault('lexeme_forms', []).append(lexeme_form)
elif best_template_forms:
template.setdefault('ambiguous_lexeme_forms', []).append(lexeme_form)
else:
template.setdefault('unmatched_lexeme_forms', []).append(lexeme_form)
return template
def match_lexeme_form_to_template_forms(test: bool, lexeme_form: LexemeForm, template_forms: list[TemplateForm]) -> list[TemplateForm]:
best_template_forms = []
best_matching_features = 0
for template_form in template_forms:
matching_features = match_lexeme_form_to_template_form(test, lexeme_form, template_form)
if matching_features > best_matching_features:
best_matching_features = matching_features
best_template_forms = [template_form]
elif matching_features == best_matching_features and best_matching_features > 0:
best_template_forms.append(template_form)
if not best_template_forms and len(template_forms) == 1 and matchable_features(template_form) == 0:
# as a special exception, in a template with a single featureless form, a lexeme form is allowed to match with no matching features
return [template_forms[0]]
return best_template_forms
def match_lexeme_form_to_template_form(test: bool, lexeme_form: LexemeForm, template_form: TemplateForm) -> int:
matching_features = 0
for grammatical_feature_item_id in template_form['grammatical_features_item_ids']:
if grammatical_feature_item_id in lexeme_form['grammaticalFeatures']:
matching_features += 1
elif grammatical_feature_item_id in template_form.get('grammatical_features_item_ids_optional', set()):
pass
else:
return 0
matched_statements, missing_statements, conflicting_statements = match_template_entity_to_lexeme_entity(test, template_form, lexeme_form)
if missing_statements or conflicting_statements:
return 0
else:
matching_features += sum(len(statements) for statements in matched_statements.values())
return matching_features
def matchable_features(template_form: TemplateForm) -> int:
features = len(template_form['grammatical_features_item_ids'])
for property_id in template_form.get('statements', {}):
features += len(template_form['statements'][property_id])
return features