Realizations.py
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#! /usr/bin/python
# -*- coding: utf-8 -*-
from collections import defaultdict
from syntax.models import Schema, Position
from syntax.models_phrase import PhraseType, Gender, Number
from semantics.models import Frame
from connections.models import ArgumentConnection, SchemaHook, RealisationDescription
from importer.RealizationDescriptions import get_phrase_description, select_phrase_description, get_realisation_description
import importer.WalentyXML
class ArgumentRealization:
def __init__(self, argument, position, phrases):
self._argument = argument
self._position = position
self._phrases = phrases
self._phrase_descriptions = dict()
self._description = None
# gender and number of the nominal head of the description phrase
# used for determining gender of verb form, controlled adjps etc.
# when generating realisation description
self._gender = None
self._number = None
@classmethod
def fromTree(cls, tree, arguments, all_phrases):
argument = arguments[tree._children[0]._children[0]._attrs['sameAs'][1:]]
phrases = []
for subtree in tree._children[1]._children[0]._children:
phrases.append(all_phrases[subtree._attrs['sameAs'][1:]])
position = phrases[0]._position
return cls(argument, position, phrases)
def store(self, subentry, frame, schema, alternation, controller_grammar=None):
argument = self._argument.get(frame)
connection, _ = ArgumentConnection.objects.get_or_create(argument=argument)
position = Position.objects.get(id=self._position._db_id)
for phrase_obj in self._phrases:
phrase = PhraseType.objects.get(text_rep=str(phrase_obj))
description, gender, number = get_phrase_description(subentry, argument, self._position, phrase_obj, controller_grammar=controller_grammar)
self._phrase_descriptions[phrase_obj] = (description, gender, number)
hook = SchemaHook(subentry=subentry,
schema=schema,
position=position,
phrase_type=phrase,
alternation=alternation,
description=description)
hook.save()
connection.schema_connections.add(hook)
self._description, self._gender, self._number = select_phrase_description(self._position, self._phrase_descriptions)
def matches(self, phrases):
for phrase in phrases:
if phrase not in self._phrases:
return False
return True
# np. ‹*oczy* ciskają *gromy*› – frazy z dwóch pozycji jako realizacja „argumentu” Lemma
# rozbicie na dwie realizacje arg., bo realizacja arg. ma przypisaną pozycję.
def split_argument_realisation_tree(tree):
# def __init__(self, name, attrs, parent)
arg_node, phrases_node = tree._children
phrases_by_position = defaultdict(list)
for phrase in phrases_node._children[0]._children:
position_id = phrase._attrs['sameAs'].split('.')[2]
phrases_by_position[position_id].append(phrase)
ret = []
for position_id, phrs in phrases_by_position.items():
new_tree = importer.WalentyXML.XMLNode(tree._name, tree._attrs, tree._parent)
new_tree.addChild(arg_node)
new_phrases_node = importer.WalentyXML.XMLNode(phrases_node._name, phrases_node._attrs, new_tree)
new_coll_node = importer.WalentyXML.XMLNode(phrases_node._children[0]._name, phrases_node._children[0]._attrs, new_phrases_node)
for phr in phrs:
new_coll_node.addChild(phr)
phr._parent = new_coll_node
new_phrases_node.addChild(new_coll_node)
new_tree.addChild(new_phrases_node)
ret.append(new_tree)
return ret
class FrameRealization:
def __init__(self, frame, schema, argument_realizations):
self._frame = frame
self._schema = schema
self._argument_realizations = argument_realizations
@classmethod
def fromTree(cls, tree, arguments, phrases):
argument_realizations = []
for subtree in tree._children[0]._children[0]._children:
for subtree2 in split_argument_realisation_tree(subtree):
argument_realizations.append(ArgumentRealization.fromTree(subtree2, arguments, phrases))
frame = argument_realizations[0]._argument._frame
schema = argument_realizations[0]._phrases[0]._position._schema
return cls(frame, schema, argument_realizations)
def store(self, entry):
alternation = 1
frame = Frame.objects.get(id=self._frame._db_id)
schema = Schema.objects.get(id=self._schema._db_id)
for argument in frame.sorted_arguments():
realizations = ArgumentConnection.objects.filter(argument=argument)
for realization in realizations.all():
connections = realization.schema_connections
for connection in connections.all():
if connection.schema.id == schema.id:
if connection.alternation >= alternation:
alternation = connection.alternation + 1
subentry = self._schema.getSubentry(entry)
controllers, non_controllers = [], []
for ar in self._argument_realizations:
(controllers if ar._position.isController() else non_controllers).append(ar)
# during storing, gender and number is determined, so first store the controller
# argument realisations to use those for controllee descriptions
controller_grammar = {}
for ar in controllers:
ar.store(subentry, frame, schema, alternation)
controller_grammar[ar._position] = (ar._gender, ar._number)
print('**************************', controller_grammar)
for ar in non_controllers:
ar.store(subentry, frame, schema, alternation, controller_grammar=controller_grammar)
description = get_realisation_description(self, subentry, self._schema.getAspect())
print('================================', description)
RealisationDescription.objects.create(frame=frame,
schema=schema,
alternation=alternation,
description=description)
def findMatchingArgument(self, phrases):
for ar in self._argument_realizations:
if ar.matches(phrases):
return ar._argument
return None