# -*- 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 random
from mathmaker.lib import shared
from mathmaker.lib.tools.wording import setup_wording_format_of
from mathmaker.lib.core.root_calculus import Value
from mathmaker.lib.document.content import component
[docs]class sub_object(component.structure):
def __init__(self, build_data, picture='true', **options):
super().setup("minimal", **options)
super().setup("length_units", **options)
super().setup("right_triangle", **options)
# There's no need to setup numbers for this question.
if self.variant in ['default', 'random']:
variant = shared.trigo_functions_source.next()[0]
else:
variant = self.variant
if variant not in ['cos', 'sin', 'tan']:
raise ValueError('XMLFileFormatError: invalid variant: {v}, '
.format(v=variant) + 'It should be in: '
'[\'cos\', \'sin\', \'tan\']')
angle_nb = random.choice([0, 2])
self.right_triangle.setup_for_trigonometry(
angle_nb=angle_nb,
trigo_fct=variant,
down_length_val=Value(''),
up_length_val=Value(''),
length_unit=self.length_unit,
only_mark_unknown_angle=True)
self.trigo_fct = variant
self.the_formula_of_trigo_fct = {
'cos': _('the formula of cosine'),
'sin': _('the formula of sine'),
'tan': _('the formula of tangent')}[variant]
self.acute_angle = shared.machine.write_math_style2(
self.right_triangle.angle[angle_nb].printed)
self.wording = options.get('text', options.get('wording', ''))
if self.wording:
self.wording = _(self.wording)
setup_wording_format_of(self)
self.formula = shared.machine.write_math_style1(
self.right_triangle.trigonometric_equality(
angle=self.right_triangle.angle[angle_nb],
trigo_fct=variant).printed)
self.answer_wording = \
_('The formula is: {formula}')
setup_wording_format_of(self, w_prefix='answer_')
self.q_nb_included_in_wording = False
[docs] def q(self, **options):
q_nb = options.get('number_of_the_question', '')
if q_nb:
q_nb = shared.machine.write(q_nb + '. ', emphasize='bold')
if self.wording:
self.q_nb_included_in_wording = True
return shared.machine.write_layout(
(1, 2),
[12, 8],
[q_nb + self.wording.format(**self.wording_format),
shared.machine.insert_picture(
self.right_triangle,
scale=0.8,
vertical_alignment_in_a_tabular=True)])
else:
return shared.machine.insert_picture(
self.right_triangle,
scale=0.8,
vertical_alignment_in_a_tabular=True)
[docs] def a(self, **options):
return self.answer_wording.format(**self.answer_wording_format)