From 7cf96fb0a1e8451ae8942c7079540356c068227b Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Mon, 3 Jun 2024 18:28:03 +1000
Subject: [PATCH] autotest: add a lineno method

allows for debug like this:

print(f"{self.lineno()} {self.mav.message_hooks=}")
---
 Tools/autotest/vehicle_test_suite.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Tools/autotest/vehicle_test_suite.py b/Tools/autotest/vehicle_test_suite.py
index ae1684d6f007f..28f761e2ff82c 100644
--- a/Tools/autotest/vehicle_test_suite.py
+++ b/Tools/autotest/vehicle_test_suite.py
@@ -34,6 +34,7 @@
 import tempfile
 import threading
 import enum
+from inspect import currentframe, getframeinfo
 from pathlib import Path
 
 from MAVProxy.modules.lib import mp_util
@@ -6417,6 +6418,12 @@ def verify_parameter_values(self, parameter_stuff, max_delta=0.0):
     #################################################
     # UTILITIES
     #################################################
+    def lineno(self):
+        '''return line number'''
+        frameinfo = getframeinfo(currentframe().f_back)
+        # print(frameinfo.filename, frameinfo.lineno)
+        return frameinfo.lineno
+
     @staticmethod
     def longitude_scale(lat):
         ret = math.cos(lat * (math.radians(1)))