lexeme_form_query.py
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# -*- coding: utf-8 -*-
FROM_CLAUSES = '''
from leksemy l
join odmieniasie o on l.id = o.l_id
join wzory w on (o.w_id = w.id)
join dictionary_tabletemplate tt
on tt.id = %%s
join dictionary_tabletemplate_pattern_types tt_pt
on (w.typ = tt_pt.patterntype_id and tt.id = tt_pt.tabletemplate_id)
join dictionary_tabletemplate_parts_of_speech tt_pos
on (tt.id = tt_pos.tabletemplate_id and
l.pos = tt_pos.partofspeech_id)
join dictionary_%(type)scell cell
on tt.id = cell.table_template_id
join dictionary_%(type)scell_pattern_types cell_pt
on (cell.id = cell_pt.%(type)scell_id and w.typ = cell_pt.patterntype_id)
left join dictionary_%(type)scell_genders cell_g
on cell.id = cell_g.%(type)scell_id
join zakonczenia z
on (o.w_id = z.w_id and cell.base_form_label_id = z.efobaz)
'''
TABLE_FROM_CLAUSES = FROM_CLAUSES % {'type': 'table'}
EXPORT_FROM_CLAUSES = FROM_CLAUSES % {'type': 'export'}
WHERE_CLAUSES = '(not tt.takes_gender or cell_g.gender_id = o.gender_id)'
def value_combinations(attributes, attr_vals=None):
if len(attributes) == 0:
yield ()
return
combinations1 = value_combinations(attributes[1:])
attr_values = attributes[0].values.all()
for c in combinations1:
for val in attr_values:
if attr_vals is None or val in attr_vals:
yield (val.id,) + c
def attr_clauses_combinations(tt):
tt_attrs = list(tt.attributes.all())
tt_attr_vals = set(tt.attribute_values.all())
cell_attrs = list(tt.cell_attributes.all())
tt_attr_combinations = value_combinations(tt_attrs, tt_attr_vals)
cell_attr_combinations = value_combinations(cell_attrs)
attr_clauses = [
'''%s in (select lav.attribute_value_id from dictionary_lexemeav lav
where lav.lexeme_id = l.id)'''
for i in xrange(len(tt_attrs) + len(cell_attrs))]
attr_clauses += [
'''%%s in (select lexemeattributevalue_id from
dictionary_%(type)scell_attribute_values cell_attr_val
where cell_attr_val.%(type)scell_id = cell.id)''' %
{'type': tt.variant.type}
for i in cell_attrs]
if not attr_clauses:
attr_clauses = ['true']
return attr_clauses, list(cell_attr_combinations), tt_attr_combinations