saving.py
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# -*- coding: utf-8 -*-
from common.js_to_obj import jsPosToObj
from dictionary.models import Argument
from semantics.models import Complement, LexicalUnitExamples
from semantics.saving import modify_frames, update_meanings
from wordnet.models import LexicalUnit
def get_semantic_operations(lemma, schemata_conversions):
connections = []
operations = []
frames = lemma.entry_obj.actual_frames()
for conv in schemata_conversions:
schema_operations = get_reconnect_operations_and_extend_connections(frames,
connections,
conv['obj'],
conv['js'])
operations.extend(schema_operations)
operations.extend(get_disconnect_operations(frames, connections))
return operations
def get_reconnect_operations_and_extend_connections(frames, connections, schema, js_schema):
operations = []
used_poss_ids = []
for js_position in js_schema['positions']:
position = get_position(schema, js_position, used_poss_ids)
for js_phrase_type in js_position['arguments']:
phrase_type = Argument.objects.get(text_rep=js_phrase_type['text_rep'])
new_connection_target = {'schema': schema,
'position': position,
'phrase_type': phrase_type}
for conn in js_phrase_type['connections']:
operations.extend(reconnect_operations(frames, conn, new_connection_target))
conn_dict = next((conn_dict
for conn_dict in connections if conn_dict['compl'] == conn['compl']), None)
if conn_dict:
conn_dict['realizations'].extend(conn['realizations'])
else:
connections.append({'compl': conn['compl'],
'realizations': conn['realizations']})
return operations
def get_position(schema, js_position, used_poss_ids):
position = jsPosToObj(js_position)
same_poss = schema.positions.filter(text_rep=position.text_rep)
unused_same_poss = same_poss.exclude(id__in=used_poss_ids).order_by('id')
position = unused_same_poss[0]
used_poss_ids.append(position.id)
return position
def reconnect_operations(frames, connection, new_target):
operations = []
compl = Complement.objects.get(id=connection['compl'])
frame = frames.get(complements=compl)
arg_ref = create_argument_ref(frame, compl)
for real_id in connection['realizations']:
realization = compl.realizations.get(id=real_id)
old_phrase_type_ref = create_phrase_type_ref(realization.frame, realization.position,
realization.argument, realization.alternation)
new_phrase_type_ref = create_phrase_type_ref(new_target['schema'], new_target['position'],
new_target['phrase_type'], realization.alternation)
if new_phrase_type_ref != old_phrase_type_ref:
operations.append(create_operation('disconnect', arg_ref, old_phrase_type_ref))
operations.append(create_operation('connect', arg_ref, new_phrase_type_ref))
return operations
def create_argument_ref(frame, complement):
return 'frame_%d_comp_%d_' % (frame.id, complement.id)
def create_phrase_type_ref(schema, position, phrase_type, alternation):
return 'schema_%d_pos_%d_arg_%d_alt_%d_' % (schema.id, position.id,
phrase_type.id, alternation)
def create_operation(operation, arg_ref, phrase_type_ref):
return {'operation': operation, 'arg': arg_ref, 'connect': phrase_type_ref}
def get_disconnect_operations(frames, connections):
operations = []
for frame in frames:
for compl in frame.complements.all():
conn_dict = next((conn_dict
for conn_dict in connections if conn_dict['compl'] == compl.id), None)
for real in compl.realizations.all():
if not conn_dict or not real.id in conn_dict['realizations']:
phrase_type_ref = create_phrase_type_ref(real.frame, real.position,
real.argument, real.alternation)
arg_ref = create_argument_ref(frame, compl)
operations.append(create_operation('disconnect', arg_ref, phrase_type_ref))
return operations
def update_connections(lemma_id, reconnect_operations, user):
modify_frames(lemma_id, reconnect_operations, user)
def disconnect_all_examples_operations(lemma):
operations = []
lex_units = lemma.entry_obj.lexical_units().all()
for lu in lex_units:
lu_examples = LexicalUnitExamples.objects.filter(lexical_unit=lu)
for lu_ex in lu_examples:
example = lu_ex.example
operations.append({'operation': 'remove_example',
'unit': lu.id,
'example': example.id})
return operations
def connect_example_operation(example_dict, example_obj):
lu = LexicalUnit.objects.get(id=example_dict['lexical_unit'])
return {'operation': 'add_example', 'unit': lu.id, 'example': example_obj.id}
def disconnect_example_operation(example_dict, example_obj):
lu = LexicalUnit.objects.get(id=example_dict['lexical_unit'])
return {'operation': 'remove_example', 'unit': lu.id, 'example': example_obj.id}
def reconnect_examples(operations):
update_meanings(operations)