def set(self, layer, sectname, optname, value, validate=True):
"""Set an option.
Args:
layer: A layer name as string (conf/temp/default).
sectname: The name of the section to change.
optname: The name of the option to change.
value: The new value.
validate: Whether to validate the value immediately.
"""
try:
value = self._interpolation.before_set(self, sectname, optname,
value)
except ValueError as e:
raise configexc.InterpolationSyntaxError(optname, sectname, str(e))
try:
sect = self.sections[sectname]
except KeyError:
raise configexc.NoSectionError(sectname)
mapping = {key: val.value() for key, val in sect.values.items()}
if validate:
interpolated = self._interpolation.before_get(
self, sectname, optname, value, mapping)
else:
interpolated = None
try:
sect.setv(layer, optname, value, interpolated)
except KeyError:
raise configexc.NoOptionError(optname, sectname)
else:
if self._initialized:
self._after_set(sectname, optname)
def set(self, layer, sectname, optname, value, validate=True):
"""Set an option.
Args:
layer: A layer name as string (conf/temp/default).
sectname: The name of the section to change.
optname: The name of the option to change.
value: The new value.
validate: Whether to validate the value immediately.
"""
try:
value = self._interpolation.before_set(self, sectname, optname,
value)
except ValueError as e:
raise configexc.InterpolationSyntaxError(optname, sectname, str(e))
try:
sect = self.sections[sectname]
except KeyError:
raise configexc.NoSectionError(sectname)
mapping = {key: val.value() for key, val in sect.values.items()}
if validate:
interpolated = self._interpolation.before_get(
self, sectname, optname, value, mapping)
try:
allowed_backends = sect.values[optname].backends
except KeyError:
# Will be handled later in .setv()
pass
else:
backend = usertypes.arg2backend[objreg.get('args').backend]
if (allowed_backends is not None
and backend not in allowed_backends):
raise configexc.BackendError(backend)
else:
interpolated = None
try:
sect.setv(layer, optname, value, interpolated)
except KeyError:
raise configexc.NoOptionError(optname, sectname)
else:
if self._initialized:
self._after_set(sectname, optname)
def test_interpolation_syntax_error():
e = configexc.InterpolationSyntaxError('opt', 'sect', 'msg')
assert e.section == 'sect'
assert e.option == 'opt'
assert str(e) == 'msg'
