from cis_interface import serialize
from cis_interface.drivers.FileOutputDriver import FileOutputDriver
from cis_interface.schema import register_component
[docs]@register_component
class PandasFileOutputDriver(FileOutputDriver):
r"""Class to handle output of received messages to a Pandas csv file.
Args:
name (str): Name of the output queue to receive messages from.
args (str or dict): Path to the file that messages should be written to.
delimiter (str, optional): String that should be used to separate
columns. Defaults to '\t'.
**kwargs: Additional keyword arguments are passed to parent class.
"""
_ocomm_type = 'PandasFileComm'
def __init__(self, name, args, **kwargs):
kwargs.setdefault('ocomm_kws', {})
kwargs['ocomm_kws'].setdefault('send_converter', serialize.numpy2pandas)
super(PandasFileOutputDriver, self).__init__(name, args, **kwargs)
self.debug('(%s)', args)
[docs] def update_serializer(self, msg):
r"""Update the serializer for the output comm based on input."""
sinfo = self.ocomm.serializer.serializer_info
sinfo['stype'] = 6 # Output as pandas csv
sinfo.setdefault('format_str', self.icomm.serializer.format_str)
sinfo.setdefault('field_names', self.icomm.serializer.field_names)
sinfo.setdefault('field_units', self.icomm.serializer.field_units)
self.ocomm.serializer = serialize.get_serializer(**sinfo)