def update_from_string(self, string):
"""Update options from a standard radiance string.
If the option is not currently part of the collection, it will be added to
additional_options.
"""
slots = self.slots
opt_dict = cutil.parse_radiance_options(string)
for p, v in opt_dict.items():
if '_%s' % p in slots:
setattr(self, p, v)
else:
if len(p) > 1:
# joined string
# catch special case -fio
try:
if p.startswith('f') and '_fio' in slots:
setattr(self, 'fio', p[1:])
else:
setattr(self, p[1], p[1:])
except AttributeError:
# fall back to unknown item
pass
else:
# it is assigned - go for the next one
continue
warnings.warn('"%s" is a non-standard option for %s.' %
(p, self.__class__.__name__))
# add to additional options
self.additional_options[p] = v
def test_import_from_string():
"""Test import options form a string."""
options = cutil.parse_radiance_options(
'-dj 20 -fo -dc 1 -ab 16 -lw 1e-8')
assert options['dj'] == '20'
assert options['fo'] == ''
assert options['dc'] == '1'
assert options['ab'] == '16'
assert options['lw'] == '1e-8'
def from_string(cls, identifier, view_string):
"""Create a view object from a string.
This method is similar to from_string method for radiance parameters with the
difference that all the parameters that are not related to view will be ignored.
"""
mapper = {
'identifier': identifier,
'vp': 'position',
'vd': 'direction',
'vu': 'up_vector',
'vh': 'h_size',
'vv': 'v_size',
'vs': 'shift',
'vl': 'lift',
'vo': 'fore_clip',
'va': 'aft_clip'
}
base = {
'type': 'View',
'identifier': identifier,
'position': None,
'direction': None,
'up_vector': None,
'h_size': None,
'v_size': None,
'shift': None,
'lift': None,
'view_type': None,
'fore_clip': None,
'aft_clip': None
}
# parse the string here
options = parse_radiance_options(view_string)
for opt, value in options.items():
if opt in mapper:
base[mapper[opt]] = value
elif opt[:2] == 'vt':
base['view_type'] = opt
else:
print('%s is not a view parameter and is ignored.' % opt)
return cls.from_dict(base)
def test_import_view_from_string():
"""Test import options form a string."""
view = 'rvu -vtv -vp 0.000 0.000 0.000 -vd 0.000 0.000 1.000 ' \
'-vu 0.000 1.000 0.000 -vh 29.341 -vv 32.204 -x 300 -y 300 ' \
'-vs -0.500 -vl -0.500 -vo 100.000'
options = cutil.parse_radiance_options(view)
assert 'rvu' not in options
assert options['vtv'] == ''
assert options['vp'] == ['0.000', '0.000', '0.000']
assert options['vd'] == ['0.000', '0.000', '1.000']
assert options['vu'] == ['0.000', '1.000', '0.000']
assert options['vh'] == '29.341'
assert options['vv'] == '32.204'
assert options['x'] == '300'
assert options['y'] == '300'
assert options['vs'] == '-0.500'
assert options['vl'] == '-0.500'
assert options['vo'] == '100.000'
def test_quotes():
options = parse_radiance_options('" "')
assert options == {}
def test_empty_string():
options = parse_radiance_options(' ')
assert options == {}
def test_single_quotes():
options = parse_radiance_options("' ' ")
assert options == {}
