# This file is part of Sympathy for Data.
# Copyright (c) 2020, Combine Control Systems AB
#
# Sympathy for Data 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, version 3 of the License.
#
# Sympathy for Data 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 Sympathy for Data. If not, see <http://www.gnu.org/licenses/>.
from sympathy.api import node
from sympathy.api.nodeconfig import Port, Ports, Tag, Tags
from sympathy.api.exceptions import SyDataError
[docs]class AssertEqualAdaf(node.Node):
name = 'Assert Equal ADAF'
author = 'Magnus Sandén'
description = (
'Compare the incoming adafs and raise an error if they differ.')
nodeid = 'org.sysess.sympathy.data.adaf.assertequaladaf'
icon = 'assert_equal_adaf.svg'
tags = Tags(Tag.Development.Test)
inputs = Ports([
Port.Adaf('ADAF A', name='adaf1'),
Port.Custom('adaf', 'ADAF B', name='adaf2', n=(1, None))])
outputs = Ports([
Port.Adaf('Output ADAF', name='out')])
parameters = node.parameters()
parameters.set_boolean(
'col_order', value=True, label='Compare column order',
description='Differing column order will trigger error')
parameters.set_boolean(
'col_attrs', value=True, label='Compare column attributes',
description='Differing column attributes will trigger error')
parameters.set_boolean(
'tbl_names', value=True, label='Compare table names',
description='Differing table name will trigger error')
parameters.set_boolean(
'tbl_attrs', value=True, label='Compare table attributes',
description='Differing table attributes will trigger error')
parameters.set_boolean(
'inexact_float', value=False, label='Approximate comparison of floats',
description='If any arithemtics is invovled floats should probably '
'be compared approximately.')
parameters.set_float(
'rel_tol', value=1e-5, label='Relative tolerance',
description='Floats are considered unequal if the relative difference '
'between them is larger than this value.',
editor=node.editors.spinbox_editor(step=1e-5))
parameters.set_float(
'abs_tol', value=1e-8, label='Absolute tolerance',
description='Floats are considered unequal if the absolute difference '
'between them is larger than this value.',
editor=node.editors.spinbox_editor(step=1e-8))
controllers = node.controller(
when=node.field('inexact_float', 'checked'),
action=(node.field('rel_tol', 'enabled'),
node.field('abs_tol', 'enabled')))
def execute(self, node_context):
parameters = node_context.parameters
adaf1 = node_context.input['adaf1']
out_adaf = node_context.output['out']
inexact_float = parameters['inexact_float'].value
rel_tol = parameters['rel_tol'].value
abs_tol = parameters['abs_tol'].value
col_order = parameters['col_order'].value
col_attrs = parameters['col_attrs'].value
tbl_names = parameters['tbl_names'].value
tbl_attrs = parameters['tbl_attrs'].value
for adaf2 in node_context.input.group('adaf2'):
try:
adaf1.equal_to(
adaf2, col_order=col_order, col_attrs=col_attrs,
tbl_names=tbl_names, tbl_attrs=tbl_attrs,
inexact_float=inexact_float, rel_tol=rel_tol,
abs_tol=abs_tol, raise_exc=True)
except AssertionError as e:
raise SyDataError(*e.args)
# Could use either one. They are equal after all.
out_adaf.source(adaf1)
