create_forms.py
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# -*- coding: utf-8 -*-
from django.db import connection
from django.core.management.base import BaseCommand
from django.db.transaction import atomic
from common.util import uniprint
from export.lexeme_form_query import WHERE_CLAUSES, \
attr_clauses_combinations, TABLE_FROM_CLAUSES
from dictionary.models import Lexeme, LexemeForm
from tables.models import TableTemplate
class Command(BaseCommand):
args = 'none'
help = 'Creates forms for filtering'
def handle(self, **options):
create_forms()
VARIANT = '1'
@atomic
def create_forms():
cursor = connection.cursor()
cursor.execute('''truncate dictionary_lexemeform''')
tts = TableTemplate.objects.filter(variant_id=VARIANT).prefetch_related(
'attributes__values', 'cell_attributes__values')
for tt in tts:
uniprint(u'creating forms for: %s' % tt.name)
attr_clauses, cell_attr_combinations, tt_attr_combinations = \
attr_clauses_combinations(tt)
for tt_c in tt_attr_combinations:
for cell_c in cell_attr_combinations:
select_query = '''
select distinct l.id as lexeme_id,
trim(both '+' from
cell.prefix||o.rdzen||z.zak||cell.suffix) as form
%s where %s and ''' % (TABLE_FROM_CLAUSES, WHERE_CLAUSES)
select_query += ' and '.join(attr_clauses)
cursor.execute('''
insert into dictionary_lexemeform
(lexeme_id, form)
(%s)''' % select_query, (tt.id,) + tt_c + cell_c + cell_c)
print 'commiting to database'