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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# SoundConverter - GNOME application for converting between audio formats.
# Copyright 2004 Lars Wirzenius
# Copyright 2005-2012 Gautier Portet
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 3 of the License.
#
# This program 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
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
import time
import os
import urllib
import gnomevfs
from fileoperations import vfs_exists
class TargetNameGenerator:
"""Generator for creating the target name from an input name."""
bad_chars = u'\\?%*:|"<>\ufffd'
def __init__(self):
self.folder = None
self.subfolders = ''
self.basename = '%(.inputname)s'
self.ext = '%(.ext)s'
self.suffix = None
self.replace_messy_chars = False
self.max_tries = 2
self.exists = vfs_exists
def get_target_name(self, sound_file):
assert self.suffix, 'you just forgot to call set_target_suffix()'
u = gnomevfs.URI(sound_file.uri)
root, ext = os.path.splitext(u.path)
root = sound_file.base_path
basename, ext = os.path.splitext(urllib.unquote(sound_file.filename))
# make sure basename contains only the filename
basefolder, basename = os.path.split(basename)
d = {
'.inputname': basename,
'.ext': ext,
'.target-ext': self.suffix[1:],
'album': _('Unknown Album'),
'artist': _('Unknown Artist'),
'title': basename,
'track-number': 0,
'track-count': 0,
'genre': '',
'year': '',
'date': '',
'disc-number': 0,
'disc-count': 0,
}
for key in sound_file.tags:
d[key] = sound_file.tags[key]
if isinstance(d[key], basestring):
# take care of tags containing slashes
d[key] = d[key].replace('/', '-')
# add timestamp to substitution dict -- this could be split into more
# entries for more fine-grained control over the string by the user...
timestamp_string = time.strftime('%Y%m%d_%H_%M_%S')
d['timestamp'] = timestamp_string
pattern = os.path.join(self.subfolders, self.basename + self.suffix)
result = pattern % d
if self.replace_messy_chars:
# convert to unicode object to manage filename letter by letter
if not isinstance(result, unicode):
result = unicode(result, 'utf-8', 'replace')
for char in self.bad_chars:
result = result.replace(char, '_')
# convert back to string so that urllib could cope with it
if isinstance(result, unicode):
result = result.encode('utf-8')
if self.folder is None:
folder = root
else:
folder = urllib.quote(self.folder, '/:%@')
if '/' in pattern:
# we are creating folders using tags, disable basefolder handling
basefolder = ''
result = os.path.join(folder, basefolder, urllib.quote(result))
return result
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