positron/positron/cmd_list.py

   1 # -*- Mode: python -*-
   2 #
   3 # cmd_list.py - list command
   4 #
   5 # Copyright (C) 2003, Xiph.org Foundation
   6 #
   7 # This file is part of positron.
   8 #
   9 # This program is free software; you can redistribute it and/or modify it
  10 # under the terms of a BSD-style license (see the COPYING file in the
  11 # distribution).
  12 #
  13 # This program is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY
  15 # or FITNESS FOR A PARTICULAR PURPOSE.  See the license for more details.
  16
  17 """positron list:\tLists entries in the database
  18
  19   positron list
  20
  21      Lists entries in the audio database
  22
  23   positron list <database1> <database2> ...
  24
  25      Lists all entries from a particular database.  Valid database names
  26      are: audio, pcaudio, unidedhisi, idedhisi, failedhisi
  27 """
  28
  29 from neuros import Neuros
  30 import neuros as neuros_module
  31 import util
  32
  33
  34 def display_field(field):
  35     if len(field) == 0:
  36         print "None",
  37     else:
  38         print field[0],
  39         for item in field[1:]:
  40             print ",", item,
  41
  42 def display_audio_record(neuros, record):
  43     print "Title: %s" % (record[0],)
  44     print "Artist: %-30s\tAlbum: %-30s" % (record[2], record[3])
  45     print "Genre: %-12s Time: %4ds  Size: %5dkB" % (record[4], record[6],
  46                                                    record[7])
  47     if record[5] != None:
  48         print "Recording Source: %s" % (record[5],)
  49
  50     if len(record[1]) > 0:
  51         print "Playlist: ",
  52         display_field(record[1])
  53
  54     print "Filename: %s" % (neuros.neurospath_to_hostpath(record[8]),)
  55
  56
  57 def run(config, neuros, args):
  58     if len(args) == 0:
  59         args = ["audio"]
  60
  61     for arg in args:
  62
  63         if arg == "audio":
  64             display_record = display_audio_record
  65         else:
  66             print "Listing database \"%s\" unsupported at this time."
  67             continue
  68
  69         try:
  70             database = neuros.open_db(arg)
  71             print "===== Database \"%s\" =====" % (arg,)
  72
  73
  74             records = database.get_records()
  75
  76             for record in records:
  77                 if record != None:
  78                     display_record(neuros, record)
  79                     print
  80
  81             neuros.close_db(arg)
  82         except neuros_module.Error, e:
  83             print "Error:", e