Added 'channel_names' property

spikeextractors/extractors/cedextractors/cedrecordingextractor.py

@@ -5,6 +5,7 @@
 import numpy as np
 from pathlib import Path
 from typing import Union
+from copy import deepcopy
 
 try:
     from sonpy import lib as sp
@@ -56,6 +57,7 @@ def __init__(self, file_path: PathType, smrx_channel_ids: list):
         # get channel info / set channel gains
         self._channelid_to_smrxind = dict()
         self._channel_smrxinfo = dict()
+        self._channel_names = []
         for i, ind in enumerate(smrx_channel_ids):
             if self._recording_file.ChannelType(ind) == sp.DataType.Off:
                 raise ValueError(f'Channel {ind} is type Off and cannot be used')
@@ -71,6 +73,7 @@ def __init__(self, file_path: PathType, smrx_channel_ids: list):
                 channel_ids=[i],
                 gains=gains
             )
+            self._channel_names.append(self._channel_smrxinfo[i]['title'])
 
         rate0 = self._channel_smrxinfo[0]['rate']
         for chan, info in self._channel_smrxinfo.items():
@@ -80,6 +83,10 @@ def __init__(self, file_path: PathType, smrx_channel_ids: list):
         self._kwargs = {'file_path': str(Path(file_path).absolute()),
                         'smrx_channel_ids': smrx_channel_ids}
 
+    @property
+    def channel_names(self):
+        return deepcopy(self._channel_names)
+
     @check_get_traces_args
     def get_traces(self, channel_ids=None, start_frame=None, end_frame=None):
         '''This function extracts and returns a trace from the recorded data from the