mavgraph: avoid exception on corrupt log

ValueError exception thrown on a large _timestamp when determining tdays
mavlink · May 20, 2016 · eeb4e0c · eeb4e0c
1 parent 9108253
commit eeb4e0c
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/pymavlink/tools/mavgraph.py b/pymavlink/tools/mavgraph.py
@@ -250,7 +250,12 @@ def process_file(filename, timeshift):
     while True:
         msg = mlog.recv_match(args.condition)
         if msg is None: break
-        tdays = matplotlib.dates.date2num(datetime.datetime.fromtimestamp(msg._timestamp+timeshift))
+        try:
+            tdays = matplotlib.dates.date2num(datetime.datetime.fromtimestamp(msg._timestamp+timeshift))
+        except ValueError:
+            # this can happen if the log is corrupt
+            # ValueError: year is out of range
+            break
         add_data(tdays, msg, mlog.messages, mlog.flightmode)
 
 if len(filenames) == 0: