python-lttngust/lttngust/debug.py

   1 # -*- coding: utf-8 -*-
   2 #
   3 # SPDX-License-Identifier: LGPL-2.1-only
   4 #
   5 # Copyright (C) 2015 Philippe Proulx <pproulx@efficios.com>
   6
   7 from __future__ import unicode_literals, print_function
   8 import lttngust.compat
   9 import time
  10 import sys
  11 import os
  12
  13
  14 _ENABLE_DEBUG = os.getenv('LTTNG_UST_PYTHON_DEBUG', '0') == '1'
  15
  16
  17 if _ENABLE_DEBUG:
  18     import inspect
  19
  20     def _pwarning(msg):
  21         fname = inspect.stack()[1][3]
  22         fmt = '[{:.6f}] LTTng-UST warning: {}(): {}'
  23         print(fmt.format(lttngust.compat._clock(), fname, msg), file=sys.stderr)
  24
  25     def _pdebug(msg):
  26         fname = inspect.stack()[1][3]
  27         fmt = '[{:.6f}] LTTng-UST debug: {}(): {}'
  28         print(fmt.format(lttngust.compat._clock(), fname, msg), file=sys.stderr)
  29
  30     _pdebug('debug is enabled')
  31 else:
  32     def _pwarning(msg):
  33         pass
  34
  35     def _pdebug(msg):
  36         pass