def _validate(self, stim):
if not self._stim_matches_input_types(stim):
from pliers.converters.base import get_converter
in_type = self._input_type if self._input_type else self._optional_input_type
converter = get_converter(type(stim), in_type)
if converter:
_old_stim = stim
stim = converter.transform(stim)
stim = _log_transformation(_old_stim, stim, converter)
else:
msg = "Transformers of type %s can only be applied to stimuli " \
" of type(s) %s (not type %s), and no applicable " \
"Converter was found."
msg = msg % (self.__class__.__name__, in_type,
stim.__class__.__name__)
raise TypeError(msg)
return stim
def _validate(self, stim):
# Checks whether the current Transformer can handle the passed Stim.
# If not, attempts a dynamic conversion before failing.
if not self._stim_matches_input_types(stim):
from pliers.converters.base import get_converter
in_type = self._input_type if self._input_type \
else self._optional_input_type
converter = get_converter(type(stim), in_type)
if converter:
_old_stim = stim
stim = converter.transform(stim)
stim = _log_transformation(_old_stim, stim, converter, True)
else:
msg = ("Transformers of type %s can only be applied to stimuli"
" of type(s) %s (not type %s), and no applicable "
"Converter was found.")
msg = msg % (self.__class__.__name__, in_type,
stim.__class__.__name__)
raise TypeError(msg)
return stim