def generate(cls, maxcount, *dirs):
playlist = []
tree = Tree()
for f in fwalk(*dirs):
try:
tags = tuple([(key, tuple(value))
for key, value in get_tags(f)])
except ValueError:
continue
h = hash(tags)
while True:
try:
tree[h] = f
break
except KeyError:
h = h + 1 if h > 0 else h - 1
if not len(playlist):
playlist.append(f)
for i in xrange(maxcount - 1):
with open(playlist[-1], 'rb') as f:
while True:
key = hash(f.read(2048))
g = tree.get(key, True)
if g not in playlist:
playlist.append(g)
break
return iter(playlist)
def generate(cls, maxcount, *dirs): playlist = [] tree = Tree() for f in fwalk(*dirs): try: tags = tuple([(key, tuple(value)) for key, value in get_tags(f)]) except ValueError: continue h = hash(tags) while True: try: tree[h] = f break except KeyError: h = h + 1 if h > 0 else h - 1 if not len(playlist): playlist.append(f) for i in xrange(maxcount - 1): with open(playlist[-1], 'rb') as f: while True: key = hash(f.read(2048)) g = tree.get(key, True) if g not in playlist: playlist.append(g) break return iter(playlist)
def generate(cls, maxcount, *dirs):
intracks = list(cls.get_track_tags(fwalk(*dirs)))
tracks = cls.build_track_table(intracks)
ntracks = len(tracks)
track0 = choice(intracks).fname
del intracks
pls = cls(track0, ntracks)
seen = set([track0])
print >> stderr, 'Iteration started.'
while len(pls) < maxcount:
i = pls.next()
if not i in tracks:
continue
t = tracks[i]
i = 0
if len(t) > 1:
i = pls.next(1) % len(t)
if not t[i] in seen:
seen.add(t[i])
pls.append(t[i])
return iter(pls.tracks)
def generate(cls, maxcount, *dirs): intracks = list(cls.get_track_tags(fwalk(*dirs))) tracks = cls.build_track_table(intracks) ntracks = len(tracks) track0 = choice(intracks).fname del intracks pls = cls(track0, ntracks) seen = set([track0]) print >>stderr, 'Iteration started.' while len(pls) < maxcount: i = pls.next() if not i in tracks: continue t = tracks[i] i = 0 if len(t) > 1: i = pls.next(1) % len(t) if not t[i] in seen: seen.add(t[i]) pls.append(t[i]) return iter(pls.tracks)
self.__queue.put(track)
self.__tracks.append(track)
Track = namedtuple('Track', ['fname', 'tags'])
if __name__ == '__main__':
from argparse import ArgumentParser
from random import choice
parser = ArgumentParser(description = 'Generate a playlist')
parser.add_argument('playlist', help = 'Playlist to generate', action = 'store')
parser.add_argument('directories', metavar = 'dir', help = 'Directories to search', action = 'store', nargs = '+')
parser.add_argument('-n', '--count', dest = 'count', type = int, help = 'Maximum number of tracks in generated playlist.', default = 0)
args = parser.parse_args(argv[1:])
intracks = []
for t in fwalk(*args.directories):
try:
tags = tuple([(key, tuple(value)) for key, value in get_tags(t)])
except ValueError:
continue
intracks.append(Track(t, tags))
tracks = defaultdict(list)
ntracks = len(intracks)
for t in intracks:
tracks[hash(t.tags) % ntracks].append(t.fname)
track0 = choice(intracks).fname
del intracks
pls = Playlist(track0, ntracks)
action='store')
parser.add_argument('directories',
metavar='dir',
help='Directories to search',
action='store',
nargs='+')
parser.add_argument('-n',
'--count',
dest='count',
type=int,
help='Maximum number of tracks in generated playlist.',
default=0)
args = parser.parse_args(argv[1:])
intracks = []
for t in fwalk(*args.directories):
try:
tags = tuple([(key, tuple(value)) for key, value in get_tags(t)])
except ValueError:
continue
intracks.append(Track(t, tags))
tracks = defaultdict(list)
ntracks = len(intracks)
for t in intracks:
tracks[hash(t.tags) % ntracks].append(t.fname)
track0 = choice(intracks).fname
del intracks
pls = Playlist(track0, ntracks)
match, node = self.__get_node(key)
if match is self.NODE_EXACT:
return node.value
elif match is self.NODE_APPROXIMATE and approximate:
return node.value
else:
raise KeyError('No such key: %s' % key)
if __name__ == '__main__':
root = u'/home/music'
playlist = []
tree = Tree()
for f in fwalk(root):
try:
tags = tuple([(key, tuple(value)) for key, value in get_tags(f)])
except ValueError:
continue
h = hash(tags)
while True:
try:
tree[h] = f
break
except KeyError:
h = h + 1 if h > 0 else h - 1
if not len(playlist):
playlist.append(f)
for i in xrange(50):
def get(self, key, approximate = False):
match, node = self.__get_node(key)
if match is self.NODE_EXACT:
return node.value
elif match is self.NODE_APPROXIMATE and approximate:
return node.value
else:
raise KeyError('No such key: %s' % key)
if __name__ == '__main__':
root = u'/home/music'
playlist = []
tree = Tree()
for f in fwalk(root):
try:
tags = tuple([(key, tuple(value)) for key, value in get_tags(f)])
except ValueError:
continue
h = hash(tags)
while True:
try:
tree[h] = f
break
except KeyError:
h = h + 1 if h > 0 else h - 1
if not len(playlist):
playlist.append(f)
for i in xrange(50):
