LogReader: add time_series helper

tools/lib/logreader.py

@@ -21,6 +21,7 @@ from openpilot.tools.lib.comma_car_segments import get_url as get_comma_segments
 from openpilot.tools.lib.openpilotci import get_url
 from openpilot.tools.lib.filereader import FileReader, file_exists, internal_source_available
 from openpilot.tools.lib.route import Route, SegmentRange
+from openpilot.tools.lib.log_time_series import msgs_to_time_series
 
 LogMessage = type[capnp._DynamicStructReader]
 LogIterable = Iterable[LogMessage]
@@ -322,6 +323,9 @@ class LogReader:
   def first(self, msg_type: str):
     return next(self.filter(msg_type), None)
 
+  @property
+  def time_series(self):
+    return msgs_to_time_series(self)
 
 if __name__ == "__main__":
   import codecs