export_template.py
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# -*- coding: utf-8 -*-
from django.core.management.base import BaseCommand
from common.util import json_encode, uniprint
from tables.models import Variant, TableTemplate
class Command(BaseCommand):
help = "Exports a table template to JSON."
def handle(self, name, variant, *args, **options):
tt = TableTemplate.objects.get(
name=name.decode('utf-8'), variant__id=variant)
uniprint(json_encode(export_template(tt)))
def export_template(tt):
data = {'name': tt.name, 'variant': tt.variant.id}
if tt.variant.type == Variant.TYPE_TABLE:
data['table_cells'] = []
data['headers'] = []
else:
data['export_cells'] = []
table_cells = tt.table_cells.select_related(
'base_form_label__lexical_class').prefetch_related(
'pattern_types', 'attribute_values')
export_cells = tt.export_cells.select_related(
'base_form_label__lexical_class').prefetch_related(
'pattern_types', 'attribute_values')
headers = tt.headers.prefetch_related(
'pattern_types', 'attribute_values')
table_elements = [('table_cells', tc) for tc in table_cells]
table_elements += [('export_cells', ec) for ec in export_cells]
table_elements += [('headers', h) for h in headers]
for elem_type, elem in table_elements:
data_row = {
'pattern_types': list(
elem.pattern_types.values_list('symbol', 'lexical_class_id')),
'attr_vals': list(elem.attribute_values.values_list(
'value', 'attribute__name')),
}
if tt.takes_gender:
data_row['genders'] = list(
elem.genders.values_list('symbol', flat=True))
if elem_type in ('table_cells', 'headers'):
data_row.update({
'row': elem.row,
'col': elem.col,
'rowspan': elem.rowspan,
'colspan': elem.colspan,
})
if elem_type in ('table_cells', 'export_cells'):
data_row.update({
'bfl': (elem.base_form_label.symbol,
elem.base_form_label.lexical_class.symbol),
'prefix': elem.prefix,
'suffix': elem.suffix,
})
if elem_type == 'table_cells':
data_row['index'] = elem.index
if elem_type == 'export_cells':
data_row['tag'] = elem.tag_template
if elem_type == 'headers':
data_row.update({
'label': elem.label,
'css_class': elem.css_class,
})
data[elem_type].append(data_row)
return data