some error handling in regression test script

tools/run_regression_tests.py

@@ -137,6 +137,7 @@ def loop():
 		print '\n\nREVISION %d ===\n' % r
 		svn_up(r)
 	
+		try:
 			run_tests.main(sys.argv[1:])
 			last_rev = r;
 
@@ -144,6 +145,8 @@ def loop():
 			revs = revs[1:]
 
 			open(rev_file, 'w+').write('%d' % last_rev)
+		except Exception, e:
+			print e
 
 if __name__ == "__main__":
 	loop()

tools/run_tests.py

@@ -331,7 +331,8 @@ def main(argv):
 			# each file contains a full set of tests for one speific toolset and platform
 			try:
 				f = open(os.path.join(rev_dir, build_platform + '#' + toolset + '.json'), 'w+')
-			except IOError:
+			except IOError, e:
+				print e
 				rev_dir = os.path.join(current_dir, 'regression_tests')
 				try: os.mkdir(rev_dir)
 				except: pass