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"""
aplay.py
refactored based on Jukebox Activity
Copyright (C) 2007 Andy Wingo <wingo@pobox.com>
Copyright (C) 2007 Red Hat, Inc.
Copyright (C) 2008-2010 Kushal Das <kushal@fedoraproject.org>
Copyright (C) 2010-11 Walter Bender
"""
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
import os
import subprocess
import logging
_logger = logging.getLogger('lettermatch-activity')
GST_PATHS = ['/usr/bin/gst-launch', '/bin/gst-launch',
'/usr/local/bin/gst-launch',
'/usr/bin/gst-launch-1.0', '/bin/gst-launch-1.0',
'/usr/local/bin/gst-launch-1.0',
'/usr/bin/gst-launch-0.10', '/bin/gst-launch-0.10',
'/usr/local/bin/gst-launch-0.10']
def play_audio_from_file(file_path):
""" Audio media """
if not hasattr(play_audio_from_file, 'gst_launch'):
for path in GST_PATHS:
if os.path.exists(path):
play_audio_from_file.gst_launch = path
_logger.debug(path)
break
if not hasattr(play_audio_from_file, 'gst_launch'):
_logger.debug('gst-launch not found')
return
command_line = [play_audio_from_file.gst_launch, 'filesrc',
'location=' + file_path, '! oggdemux', '! vorbisdec',
'! audioconvert', '! alsasink']
check_output(command_line, 'unable to play audio file %s' % (file_path))
def check_output(command, warning):
''' Workaround for old systems without subprocess.check_output'''
if hasattr(subprocess, 'check_output'):
try:
output = subprocess.check_output(command)
except subprocess.CalledProcessError:
log.warning(warning)
return None
else:
import commands
cmd = ''
for c in command:
cmd += c
cmd += ' '
(status, output) = commands.getstatusoutput(cmd)
if status != 0:
_logger.warning(warning)
return None
return output
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