src/panucci/util.py

   1 # -*- coding: utf-8 -*-
   2 #
   3 # This file is part of Panucci.
   4 # Copyright (c) 2008-2010 The Panucci Audiobook and Podcast Player Project
   5 #
   6 # Panucci is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # Panucci is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with Panucci.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20 from __future__ import absolute_import
  21
  22 import os.path
  23
  24
  25 def convert_ns(time_int):
  26     """Convert nanosecond values into strings
  27
  28     This function should be used to generate
  29     a string suitable for display in the UI.
  30     """
  31     time_int = max( 0, int(time_int) )
  32     time_int = time_int / 10**9
  33     time_str = ""
  34     if time_int >= 3600:
  35         _hours = time_int / 3600
  36         time_int = time_int - (_hours * 3600)
  37         time_str = str(_hours) + ":"
  38     if time_int >= 600:
  39         _mins = time_int / 60
  40         time_int = time_int - (_mins * 60)
  41         time_str = time_str + str(_mins) + ":"
  42     elif time_int >= 60:
  43         _mins = time_int / 60
  44         time_int = time_int - (_mins * 60)
  45         time_str = time_str + "0" + str(_mins) + ":"
  46     else:
  47         time_str = time_str + "00:"
  48     if time_int > 9:
  49         time_str = time_str + str(time_int)
  50     else:
  51         time_str = time_str + "0" + str(time_int)
  52
  53     return time_str
  54
  55
  56 def detect_filetype(filepath):
  57     """Return the file type (extension) of a file path
  58
  59     This returns something like "ogg", "mp3", etc..
  60     """
  61     filename, extension = os.path.splitext(filepath)
  62     if extension.startswith('.'):
  63         extension = extension[1:]
  64     return extension.lower()
  65
  66
  67 def pretty_filename(filename):
  68     """Return a prettified version of a filename
  69
  70     Currently, this removes the extension and
  71     replaces underscores with spaces.
  72     """
  73     filename, extension = os.path.splitext(filename)
  74     basename = os.path.basename(filename)
  75     return filename.replace('_', ' ')
  76
  77