Source Code for Module flumotion.component.producers.checks

  1  # -*- Mode: Python -*- 
  2  # vi:si:et:sw=4:sts=4:ts=4 
  3  # 
  4  # Flumotion - a streaming media server 
  5  # Copyright (C) 2004,2005,2006,2007 Fluendo, S.L. (www.fluendo.com). 
  6  # All rights reserved. 
  7   
  8  # This file may be distributed and/or modified under the terms of 
  9  # the GNU General Public License version 2 as published by 
 10  # the Free Software Foundation. 
 11  # This file is distributed without any warranty; without even the implied 
 12  # warranty of merchantability or fitness for a particular purpose. 
 13  # See "LICENSE.GPL" in the source distribution for more information. 
 14   
 15  # Licensees having purchased or holding a valid Flumotion Advanced 
 16  # Streaming Server license may use this file in accordance with the 
 17  # Flumotion Advanced Streaming Server Commercial License Agreement. 
 18  # See "LICENSE.Flumotion" in the source distribution for more information. 
 19   
 20  # Headers in this file shall remain intact. 
 21   
 22  from twisted.internet import defer 
 23   
 24  from flumotion.common import gstreamer, messages 
 25  from flumotion.common.i18n import N_, gettexter 
 26  from flumotion.worker.checks import check 
 27   
 28  __version__ = "$Rev: 6695 $" 
 29  T_ = gettexter() 
 30   
 31   
 32 -def get_gst_version(gst): 
 33      if hasattr(gst, 'get_gst_version'): 
 34          return gst.get_gst_version() 
 35      elif hasattr(gst, 'version'): 
 36          return gst.version() 
 37      else: 
 38          return gst.gst_version + (0,) 
 39   
 40 -def get_pygst_version(gst): 
 41      if hasattr(gst, 'get_pygst_version'): 
 42          return gst.get_pygst_version() 
 43      else: 
 44          return gst.pygst_version + (0,) 
 45   
 46 -def checkTicket347(): 
 47      """ 
 48      Check for a recent enough PyGTK to not leak python integers in message 
 49      processing (mostly affects soundcard, firewire) 
 50      """ 
 51      result = messages.Result() 
 52      import pygtk 
 53      pygtk.require('2.0') 
 54      import gobject 
 55      # Really, we want to check for pygobject_version, but that doesn't exist in 
 56      # all versions of pygtk, and this check is sufficient. 
 57      (major, minor, nano) = gobject.pygtk_version 
 58      if (major, minor, nano) < (2, 8, 6): 
 59          m = messages.Warning(T_( 
 60              N_("Version %d.%d.%d of the PyGTK library contains " 
 61                  "a memory leak.\n"), 
 62              major, minor, nano), 
 63              mid='ticket-347') 
 64          m.add(T_(N_("The Soundcard and Firewire sources may leak a lot of " 
 65              "memory as a result, and need to be restarted frequently.\n"))) 
 66          m.add(T_(N_("Please upgrade '%s' to version %s or later."), 
 67              'pygtk', '2.8.6')) 
 68          result.add(m) 
 69   
 70      result.succeed(None) 
 71      return defer.succeed(result) 
 72   
 73 -def checkTicket348(): 
 74      result = messages.Result() 
 75      import pygst 
 76      pygst.require('0.10') 
 77      import gst 
 78      (major, minor, nano) = gst.pygst_version 
 79      if (major, minor, nano) < (0, 10, 3): 
 80          m = messages.Warning(T_( 
 81              N_("Version %d.%d.%d of the gst-python library contains " 
 82                  "a large memory leak.\n"), 
 83              major, minor, nano), 
 84              mid='ticket-348') 
 85          m.add(T_(N_("The Soundcard and Firewire sources may leak a lot of " 
 86              "memory as a result, and need to be restarted frequently.\n"))) 
 87          m.add(T_(N_("Please upgrade '%s' to version %s or later."), 
 88              'gst-python', '0.10.3')) 
 89          result.add(m) 
 90   
 91      result.succeed(None) 
 92      return defer.succeed(result) 
 93   
 94 -def checkTicket349(): 
 95      result = messages.Result() 
 96      import pygst 
 97      pygst.require('0.10') 
 98      import gst 
 99   
100      if get_gst_version(gst) < (0, 10, 4, 1): 
101          major, minor, micro, nano = get_gst_version(gst) 
102          m = messages.Error(T_( 
103              N_("Version %d.%d.%d of the GStreamer library is too old.\n"), 
104              major, minor, micro), 
105              mid='ticket-349') 
106          m.add(T_(N_("The '%s' component needs a newer version of '%s'.\n"), 
107                      'looper', 'gstreamer')) 
108          m.add(T_(N_("Please upgrade '%s' to version %s or later."), 
109              'gstreamer', '0.10.5')) 
110          result.add(m) 
111   
112      if get_pygst_version(gst) < (0, 10, 3, 1): 
113          major, minor, micro, nano = get_pygst_version(gst) 
114          m = messages.Error(T_( 
115              N_("Version %d.%d.%d of the gst-python library is too old.\n"), 
116              major, minor, micro), 
117              mid='ticket-349') 
118          m.add(T_(N_("The '%s' component needs a newer version of '%s'.\n"), 
119                      'looper', 'gst-python')) 
120          m.add(T_(N_("Please upgrade '%s' to version %s or later."), 
121              'gst-python', '0.10.4')) 
122          result.add(m) 
123   
124      result.succeed(None) 
125      return defer.succeed(result) 
126