# -*- coding: utf-8 -*-
# Mathmaker creates automatically maths exercises sheets
# with their answers
# Copyright 2006-2017 Nicolas Hainaux <nh.techn@gmail.com>
# This file is part of Mathmaker.
# Mathmaker is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# any later version.
# Mathmaker is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with Mathmaker; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import os
from mathmakerlib.calculus import is_integer
from mathmaker.lib import shared
from mathmaker.lib.constants.latex import COLORED_QUESTION_MARK
from mathmaker.lib.core.base_calculus import Product
from mathmaker.lib.core.root_calculus import Value
from mathmaker.lib.document.content import component
from mathmaker.lib.tools.wording import post_process
[docs]class sub_object(component.structure):
def __init__(self, build_data, **options):
super().setup("minimal", **options)
super().setup("numbers", nb=build_data, **options)
super().setup("nb_variants", nb=build_data, **options)
self.transduration = 8
if not is_integer(self.nb1) or not is_integer(self.nb2):
self.transduration = 15
product = Product([self.nb1, self.nb2])
self.product_str = product.printed
self.result = product.evaluate()
if self.context == 'mini_problem':
self.transduration = 25
super().setup('mini_problem_wording',
q_id=os.path.splitext(os.path.basename(__file__))[0],
**options)
[docs] def q(self, **options):
if self.context == 'mini_problem':
return post_process(self.wording.format(**self.wording_format))
else:
self.substitutable_question_mark = True
return _('{math_expr} = {q_mark}').format(
math_expr=shared.machine.write_math_style2(self.product_str),
q_mark=COLORED_QUESTION_MARK)
[docs] def a(self, **options):
# This is actually meant for self.preset == 'mental calculation'
v = None
if hasattr(self, 'hint'):
v = Value(self.result, unit=self.hint)\
.into_str(display_SI_unit=True)
else:
v = Value(self.result).into_str()
return v
[docs] def js_a(self, **kwargs):
return [Value(self.result).jsprinted]