models.py
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# -*- coding: utf-8 -*-
from django.db.models import Model, CharField, IntegerField, ForeignKey, \
ManyToManyField, TextField, BooleanField, Manager
from django.utils.translation import ugettext_lazy as _
from common.util import GroupDict
from common.models import NotDeletedManager
class InflectionType(Model):
symbol = CharField(primary_key=True, max_length=16, db_column='czm')
color_scheme = IntegerField()
full_name = CharField(max_length=128)
def __unicode__(self):
return self.symbol
class Meta:
db_table = 'czescimowy'
class BaseFormLabel(Model):
symbol = CharField(max_length=32, blank=True, db_column='efobaz')
lexical_class = ForeignKey(InflectionType)
index = IntegerField()
def __unicode__(self):
return '%s/%s' % (self.symbol, self.lexical_class.symbol)
class Meta:
db_table = 'efobazy'
unique_together = ['symbol', 'lexical_class']
ordering = ['index']
class DummyEnding(object):
def __init__(self, string):
self.index = 0
self.string = string
from dictionary.models import Qualifier
self.qualifiers = Qualifier.objects.none()
class PatternType(Model):
lexical_class = ForeignKey(
InflectionType, db_column='czm', verbose_name=_(u'inflection type'))
# typ wzoru (np. dla rzeczowników: odmiana męska, żeńska lub nijaka)
symbol = CharField(
max_length=32, blank=True, db_column='wtyp',
verbose_name=_(u'pattern type'))
base_form_labels = ManyToManyField(BaseFormLabel)
def dummy_base_endings(self):
bfl_dict = dict(
(bfl, [DummyEnding(bfl.symbol or self.lexical_class_id)])
for bfl in self.base_form_labels.all())
return bfl_dict
@classmethod
def options(cls):
pattern_types = GroupDict()
for pt in cls.objects.all():
pattern_types.add(pt.lexical_class.symbol, (pt.id, unicode(pt)))
return sorted(pattern_types.items())
def __unicode__(self):
return self.symbol.replace('"', "''") or '[%s]' % self.lexical_class_id
# '%s (%s)' % (self.symbol, self.lexical_class_id)
class Meta:
db_table = 'typywzorow'
ordering = ['symbol']
class Pattern(Model):
STATUS_NEW = 'nowy'
STATUS_CONFIRMED = 'conf'
STATUS_CANDIDATE = 'cand'
STATUS_CHOICES = (
(STATUS_NEW, _(u'new')),
(STATUS_CONFIRMED, _(u'confirmed')),
(STATUS_CANDIDATE, _(u'candidate')),
)
HIDDEN_STATUSES = (STATUS_CANDIDATE, STATUS_NEW)
name = CharField(
max_length=32, unique=True, db_column='w_id', verbose_name=_(u'name'))
old_name = CharField(
max_length=32, verbose_name=_(u'old name'), null=True)
type = ForeignKey(
PatternType, db_column='typ', verbose_name=_(u'type'))
# rdzeń przykładowej formy hasłowej
example = CharField(
max_length=64, db_column='przyklad', verbose_name=_(u'example'),
blank=True)
basic_form_ending = CharField(
max_length=32, db_column='zakp', blank=True,
verbose_name=_(u'basic form ending'))
status = CharField(
max_length=8, choices=STATUS_CHOICES, verbose_name=_(u'status'))
comment = TextField(
blank=True, db_column='komentarz', verbose_name=_(u'comment'))
deleted = BooleanField(default=False)
objects = NotDeletedManager()
all_objects = Manager()
def ending_set(self, subroot='', tag_prefix=None):
endings = self.endings
if tag_prefix:
endings = endings.filter(
base_form_label__symbol__startswith=tag_prefix)
return set(subroot + e
for e in endings.values_list('string', flat=True))
def base_endings(self, label_filter=None):
bfls = self.type.base_form_labels.all()
from dictionary.models import Ending
endings = Ending.objects.filter(
base_form_label__patterntype=self.type, pattern=self) \
.select_related('base_form_label').prefetch_related('qualifiers')
if label_filter is not None:
endings = endings.filter(
base_form_label__symbol__regex=label_filter)
bfl_dict = GroupDict((bfl, []) for bfl in bfls)
for ending in endings:
bfl_dict.add(ending.base_form_label, ending)
return bfl_dict
def create_example(self, gender):
from dictionary.models import Lexeme, reader_lexemes, PatternExample
lexemes = Lexeme.objects.filter(
patterns=self,
lexemeinflectionpattern__gender=gender)
public_lexemes = reader_lexemes(lexemes)
if public_lexemes:
lexeme = public_lexemes[0]
PatternExample.objects.create(
lexeme=lexeme, pattern=self, gender=gender)
def get_example(self, gender, refresh=False):
from dictionary.models import PatternExample
examples = PatternExample.objects.filter(pattern=self, gender=gender)
if not examples or refresh:
examples.delete()
self.create_example(gender)
examples = PatternExample.objects.filter(
pattern=self, gender=gender)
if examples:
lexeme = examples.get().lexeme
example_lips = lexeme.lexemeinflectionpattern_set.filter(
pattern=self, gender=gender)
if example_lips:
return lexeme, example_lips[0].root
else:
return self.get_example(gender, refresh=True)
def is_public(self):
return self.status not in Pattern.HIDDEN_STATUSES
def __unicode__(self):
return self.name
class Meta:
db_table = 'wzory'
ordering = ['name']
permissions = (
('view_pattern', _(u'Can view patterns')),
)
def reader_patterns(patterns):
return patterns.exclude(status__in=Pattern.HIDDEN_STATUSES)