WaveformPair: improve error logging for missing waveforms

Author: claudiodsf

requake/waveforms/waveform_pair.py

@@ -115,12 +115,14 @@ def _get_pair_stream(self, pair):
                     # will be different at each iteration
                     self.tr_cache[cache_key] = tr
                 st.append(tr)
-            except NoWaveformError:
+            except NoWaveformError as err:
                 self.skipped_evids_traceids.append(cache_key)
+                msg = str(err).replace('\n', ' ')
                 logger.warning(
                     f'No waveform data for event {ev.evid} and trace_id '
                     f'{ev.trace_id}. Skipping all pairs containing this '
                     'event and trace_id.'
+                    f'Error message: {msg}'
                 )
             ev1 = False
         if len(st) < 2:

requake/waveforms/waveforms.py

@@ -165,19 +165,19 @@ def _get_event_waveform_from_event_data_path(evid, traceid):
     """
     event_data_path = config.event_data_path
     if event_data_path is None:
-        raise NoWaveformError('No event_data_path defined in the config file')
+        raise NoWaveformError('No event_data_path defined in the config file.')
     event_data_path = Path(event_data_path)
     if not event_data_path.exists():
         raise NoWaveformError(
-            f'Event data path "{event_data_path}" does not exist'
+            f'Event data path "{event_data_path}" does not exist.'
         )
     event_dir = next(
         (subdir for subdir in event_data_path.iterdir()
             if evid in subdir.name),
         None)
     if event_dir is None:
         raise NoWaveformError(
-            f'No waveform data for event {evid} in "{event_data_path}"'
+            f'No waveform data for event {evid} in "{event_data_path}."'
         )
     net, sta, loc, chan = traceid.split('.')
     # replace '@@' with an empty network code
@@ -192,7 +192,7 @@ def _get_event_waveform_from_event_data_path(evid, traceid):
         network=net, station=sta, location=loc, channel=chan)
     if not st:
         raise NoWaveformError(
-            f'No waveform data for trace id: {traceid} in "{event_dir}"'
+            f'No waveform data for trace id: {traceid} in "{event_dir}."'
         )
     return st[0]