views.py
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import datetime
import operator
from collections import defaultdict
from functools import reduce
from itertools import chain
import simplejson
from django.db.models import Q
from django.http import JsonResponse, QueryDict
from django.shortcuts import render
from django.template.context_processors import csrf
from crispy_forms.utils import render_crispy_form
from connections.models import Entry, Subentry, ArgumentConnection
from syntax.models import NaturalLanguageDescription, Schema
from semantics.models import Frame
from common.decorators import ajax_required
from .forms import (
#MainEntryForm,
EntryForm,
SchemaFormFactory,
FrameFormFactory,
PositionFormFactory,
PhraseAttributesFormFactory,
LexFormFactory,
ArgumentFormFactory,
PredefinedPreferenceFormFactory,
RelationalPreferenceFormFactory,
SynsetPreferenceFormFactory,
)
from .polish_strings import SCHEMA_OPINION, FRAME_OPINION
from .phrase_descriptions.descriptions import position_prop_description, phrase_description
def test(request):
return render(request, 'test.html', {})
def entries(request):
return render(request, 'entries.html', { 'entries_form' : EntryForm() })
FORM_TYPES = {
#'entry-main' : MainEntryForm,
'entry' : EntryForm,
}
FORM_FACTORY_TYPES = {
'schema' : SchemaFormFactory,
'position' : PositionFormFactory,
'phrase_lex' : LexFormFactory,
'frame' : FrameFormFactory,
'argument' : ArgumentFormFactory,
'predefined' : PredefinedPreferenceFormFactory,
'relational' : RelationalPreferenceFormFactory,
'synset' : SynsetPreferenceFormFactory,
}
def make_form(form_type, data=None, unique_number=None):
print('======== MAKE FORM', form_type)
if form_type in FORM_FACTORY_TYPES:
return FORM_FACTORY_TYPES[form_type].get_form(data=data, unique_number=unique_number)
if form_type in FORM_TYPES:
return FORM_TYPES[form_type](data=data)
elif form_type.startswith('phrase_'):
phrase_type = form_type[7:]
print('================ MAKE PHRASE FORM', phrase_type, unique_number)
return PhraseAttributesFormFactory.get_form(phrase_type, data=data, unique_number=unique_number)
return None
@ajax_required
def get_subform(request):
if request.method == 'GET':
ctx = {}
ctx.update(csrf(request))
form_type = request.GET['subform_type']
form = make_form(form_type)
try:
form_html = render_crispy_form(form, context=ctx)
except:
print('******************', form_type)
raise
return JsonResponse({'form_html' : form_html})
#TODO clean this code bordello up
def filter_objects(objects, queries, tab=''):
#print(tab + '===================================================================')
for query in queries:
#print(tab + '***', query)
objects = objects.filter(query).distinct()
#print(tab + '---------------------------------------------------------------')
#print(tab, objects)
#print('\n')
#print(tab + '===================================================================')
return objects.distinct()
def collect_forms(forms_json, tab=' '):
data = simplejson.loads(forms_json)
form_type = data['formtype']
form_number = data.get('formnumber', 0)
if form_type == 'or':
return 'or'
else:
print(tab, 'FORM:', data['form'])
print(tab, 'TYPE:', form_type, 'NUMBER:', form_number)
#print(tab, 'DATA:', data)
query_params = QueryDict(data['form'])
print(tab, 'PARAMS:', query_params)
form = make_form(form_type, data=query_params, unique_number=form_number)
print(tab, 'FORM TYPE:', type(form))
if not form.is_valid():
print(form.errors)
# TODO return validation errors
1/0
print(tab, '{} CHILDREN GROUP(S)'.format(len(data['children'])))
# a form may have one or more children forms, organised into and-or
# (e.g. an entry form has child schema forms, frame forms etc.)
subform_groups = []
for subforms_json in data['children']:
subform_group = simplejson.loads(subforms_json)
subform_type, subforms = subform_group['formtype'], subform_group['subforms']
children = [[]]
for child in subforms:
child_form = collect_forms(child, tab + ' ')
if child_form == 'or':
children.append([])
else:
children[-1].append(child_form)
subforms = list(filter(None, children))
if subforms:
subform_groups.append((subform_type, subforms))
return (form, subform_groups)
def get_filtered_objects(forms, initial_objects=None, tab=' '):
form, children = forms
objects = form.model_class.objects.all() if initial_objects is None else initial_objects.all()
queries = form.get_queries()
print(tab, type(form), 'FOR FILTERING:', form.model_class)
objects = filter_objects(objects, queries, tab=tab)
for children_group in children:
object_ids_or = []
prefixes = set()
for or_children in children_group[1]:
objects_and = form.model_class.objects.all() if initial_objects is None else initial_objects.all()
for child in or_children:
child_form = child[0]
child_objects = get_filtered_objects(child, tab=tab + ' ')
prefix = form.get_child_form_prefix(child_form)
prefixes.add(prefix)
child_ids = [co.id for co in child_objects]
q = Q((prefix, child_ids))
objects_and = objects_and.filter(q)
object_ids_or.append({o.id for o in objects_and})
assert(len(prefixes) == 1)
object_ids = reduce(operator.or_, object_ids_or)
objects = objects.filter(id__in=object_ids)
return objects.distinct()
# forms – an ‘or’ list of ‘and’ lists of forms, the forms are flattened and treated as one ‘or’ list.
# The function is used for filtering out schemata/frames. E.g. if the user chooses entries with a schema
# safisfying X AND a schema satisfying Y, schemata satisfying X OR Y should be displayed (and all other
# schemata should be hidden).
def get_filtered_objects2(objects, forms):
filtered_ids = [{ schema.id for schema in get_filtered_objects(form, initial_objects=objects) } for form in chain.from_iterable(forms)]
filtered_ids = reduce(operator.or_, filtered_ids)
return objects.filter(id__in=filtered_ids)
# TODO a more efficient loading of results will be implemented,
# for now truncate them to speed up testing
DEBUG_N = 500
@ajax_required
def get_entries(request):
t1 = datetime.datetime.now()
if request.method == 'POST':
forms = collect_forms(request.POST['forms[]'])
entries = get_filtered_objects(forms)
# TODO return validation errors
#if not form.is_valid():
#print(form.errors)
#return JsonResponse({ 'result' : [], 'errors' : form.errors })
t2 = datetime.datetime.now()
# TODO remove! – this is for debug
# some entries with an obj,controlee position, >3 frames etc.
#entries = entries.filter(name__in=('dozwalać', 'dozwolić', 'obiecywać'))
#entries = entries.filter(subentries__schemata__positions__phrase_types__text_rep__contains='lex')
t3 = datetime.datetime.now()
entries_list = list(entries.values_list('id', 'name', 'status__key'))[:DEBUG_N]
t4 = datetime.datetime.now()
s = ' truncated to {}'.format(DEBUG_N) if len(entries_list) == DEBUG_N else ''
debug = '[{} s] [{} results{}] '.format(t2, entries.count(), s)
debug += '[filtering: {:.1} s] '.format((t2 - t1).total_seconds())
debug += '[processing: {:.1} s] '.format((t4 - t3).total_seconds())
debug += '[total time: {:.1} s] '.format((t4 - t1).total_seconds())
return JsonResponse({ 'result' : entries_list, 'debug' : debug })
return JsonResponse({})
def subentry2str(subentry):
ret = subentry.entry.name
if subentry.inherent_sie.name == 'true':
ret += ' się'
elems = []
if subentry.aspect:
elems.append(subentry.aspect.name)
if subentry.negativity:
elems.append(subentry.negativity.name)
if elems:
ret += ' ({})'.format(', '.join(elems))
if subentry.predicativity.name == 'true':
ret += ' pred.'
return ret
def position_prop2dict(prop):
return {
'str' : prop.name,
'desc' : position_prop_description(prop.name),
} if prop else {
'str' : '',
'desc' : '',
}
def get_phrase_desc(phrase, position, negativity):
return NaturalLanguageDescription.objects.get(
phrase_str=phrase.text_rep,
function=position.function,
control=position.control,
pred_control=position.pred_control,
negativity=negativity).description
def schema2dict(schema, phr2arg, negativity):
return {
'opinion' : SCHEMA_OPINION[schema.opinion.key],
'id' : str(schema.id),
'positions' : [
{
'func' : position_prop2dict(p.function),
'control' : position_prop2dict(p.control),
'p_control' : position_prop2dict(p.pred_control),
'phrases' : [
{
'str' : str(pt),
'id' : '-'.join(map(str, (schema.id, p.id, pt.id))),
'arguments' : list(phr2arg['-'.join(map(str, (schema.id, p.id, pt.id)))]),
'desc' : get_phrase_desc(pt, p, negativity),
} for pt in p.phrase_types.all()
],
} for p in schema.positions.all()
],
}
def get_prefs_list(argument):
prefs = [argument.predefined.all(), argument.synsets.all(), argument.relations.all()]
return list(chain.from_iterable(map(list, prefs)))
def frame2dict(frame, arg2phr):
return {
'opinion' : FRAME_OPINION[frame.opinion.key],
'id' : str(frame.id),
'arguments' : [
{
'str' : str(a),
'id' : '-'.join(map(str, (frame.id, a.id))),
'preferences' : list(map(str, get_prefs_list(a))),
'phrases' : list(arg2phr['-'.join(map(str, (frame.id, a.id)))]),
} for a in frame.argument_set.all()
],
}
@ajax_required
def get_entry(request):
if request.method == 'POST':
form = EntryForm(request.POST)
eid = request.POST['entry']
if eid.isdigit() and form.is_valid():
eid = int(eid)
entry = Entry.objects.get(id=eid)
#===================================================================
phr2arg, arg2phr = defaultdict(set), defaultdict(set)
connections = ArgumentConnection.objects.filter(schema_connections__subentry__entry=entry)
for conn in connections:
arg = '-'.join(map(str, (conn.argument.frame.id, conn.argument.id)))
for hook in conn.schema_connections.all():
phr = '-'.join(map(str, (hook.schema.id, hook.position.id, hook.phrase_type.id)))
phr2arg[phr].add(arg)
arg2phr[arg].add(phr)
#===================================================================
entry_form, children_forms = collect_forms(request.POST['forms[]'])
filter_schemata, filter_frames = entry_form.cleaned_data['filter_schemata'], entry_form.cleaned_data['filter_frames']
if filter_schemata:
schema_forms = [frms[1] for frms in children_forms if frms[0] == 'schema']
assert (len(schema_forms) <= 1)
if schema_forms:
schema_forms = schema_forms[0]
else:
filter_schemata = False
if filter_frames:
frame_forms = [frms[1] for frms in children_forms if frms[0] == 'frame']
assert (len(frame_forms) <= 1)
if frame_forms:
frame_forms = frame_forms[0]
else:
filter_frames = False
subentries = []
for subentry in entry.subentries.all():
schemata = []
schema_objects = subentry.schemata.all()
if filter_schemata:
schema_objects = get_filtered_objects2(schema_objects, schema_forms)
for schema in schema_objects:
schemata.append(schema2dict(schema, phr2arg, subentry.negativity))
if schemata:
subentries.append({ 'str' : subentry2str(subentry), 'schemata' : schemata })
frame_objects = Frame.objects.filter(argument__argument_connections__schema_connections__subentry__entry=entry)
if filter_frames:
frame_objects = get_filtered_objects2(frame_objects, frame_forms)
frames = [frame2dict(frame, arg2phr) for frame in frame_objects]
return JsonResponse({ 'subentries' : subentries, 'frames' : frames })
return JsonResponse({})