# -*- 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
import random
from mathmakerlib import required
from mathmakerlib.calculus import Number
from mathmaker.lib import shared
from mathmaker.lib.constants.latex import COLORED_QUESTION_MARK
from mathmaker.lib.core.base_calculus import Sum
from mathmaker.lib.core.root_calculus import Value
from mathmaker.lib.document.content import component
from mathmaker.lib.tools.wording import post_process
from mathmaker.lib.tools.distcode import nndist
[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 (self.nb1 > 20 and self.nb2 > 20
and abs(self.nb1 - self.nb2) > 10
and abs(self.nb1 - self.nb2) % 10 != 0):
self.transduration = 12
elif abs(self.nb1 - self.nb2) % 1 != 0:
self.transduration = 10
if self.subvariant == 'only_positive':
self.nb1, self.nb2 = max(self.nb1, self.nb2), min(self.nb1,
self.nb2)
if (options.get('nb_source', 'default').startswith('complement')
and self.nb_variant.startswith('decimal')):
self.nb1 //= 10
if (options.get('nb_source', 'default').startswith('complement')
and random.choice([True, False])):
self.nb2 = self.nb1 - self.nb2
the_diff = Sum([self.nb1, -self.nb2])
self.diff_str = the_diff.printed
self.result = the_diff.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)
elif self.context.startswith('complement_wording'):
self.transduration = 12
super().setup('complement_wording',
q_id=os.path.splitext(os.path.basename(__file__))[0],
**options)
elif self.context == 'angles':
self.transduration = 25
deg = r'\textdegree'
from mathmakerlib.geometry import AngleDecoration
self.result = Number(self.nb1 - self.nb2)
self.hint = deg
required.package['xcolor'] = True
required.options['xcolor'].add('dvipsnames')
extra_deco = {'0:1': AngleDecoration(label='?',
thickness='ultra thick',
color='BrickRed',
radius=Number('0.5',
unit='cm')),
}
extra_deco2 = {}
if self.nb1 != 90:
extra_deco.update({'0:2':
AngleDecoration(label=None,
thickness='ultra thick',
color='NavyBlue',
radius=Number('1.6',
unit='cm'),
eccentricity=2,
arrow_tips='<->')})
extra_deco2.update({'1:2':
AngleDecoration(label=Number(self.nb1,
unit=deg),
do_draw=False,
color='NavyBlue',
radius=Number('1.6',
unit='cm'))})
else:
extra_deco.update({'0:2':
AngleDecoration(label=None,
radius=Number('0.25',
unit='cm'))})
super().setup('angles_bunch', extra_deco=extra_deco,
extra_deco2=extra_deco2,
labels=nndist([self.nb1, self.nb2])[::-1],
subvariant_nb=options.get('subvariant_nb', None),
variant=options.get('variant', None),
subtr_shapes=True)
self.hint = r'\si{\degree}'
[docs] def q(self, **options):
if self.context == 'angles':
if self.slideshow:
col_widths = [6, 7]
else:
col_widths = [8.25, 4.75]
self.substitutable_question_mark = True
return shared.machine.write_layout(
(1, 2),
col_widths,
[self.angles_bunch.drawn,
_('${math_expr}$ = {q_mark}')
.format(math_expr=self.angles_bunch.angles[0].name,
q_mark=COLORED_QUESTION_MARK)])
elif hasattr(self, 'wording'):
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.diff_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]