From 69ba4eadc4b1f10cd468cf4390c93f7114f625d1 Mon Sep 17 00:00:00 2001 From: Christophe Bedard Date: Thu, 9 Jan 2020 11:54:46 -0500 Subject: [PATCH] Print to stderr if lttng Python package is not found --- tracetools_trace/tracetools_trace/tools/lttng.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tracetools_trace/tracetools_trace/tools/lttng.py b/tracetools_trace/tracetools_trace/tools/lttng.py index d358475..2f0b5eb 100644 --- a/tracetools_trace/tracetools_trace/tools/lttng.py +++ b/tracetools_trace/tracetools_trace/tools/lttng.py @@ -14,6 +14,8 @@ """Interface for tracing with LTTng.""" +import sys + from typing import List from typing import Optional @@ -23,6 +25,7 @@ try: _lttng = lttng_impl except ImportError: # Fall back on empty functions + print('Warning: lttng Python package not found', file=sys.stderr) from . import lttng_stub _lttng = lttng_stub