def index():
"""
Demonstrating a simple list-based directory index.
"""
items = ['hostname', 'hostname.txt', 'subdir']
return DirectoryResponse(items)
def fuse_album(artist_dir_name, dir_name):
try:
album = Album.objects.get_from_dir_name(artist_dir_name, dir_name)
except Album.DoesNotExist:
raise Http404
tracks = album.get_nonclassical_tracks()
return DirectoryResponse(tracks.values_list('dir_name', flat=True))
def subdir():
"""
Demonstrating a generator-based approach to populating a directory
index. The use of a count callback function is an optimisation to
prevent evaluation of the generator when displaying the file in a
directory index.
Imagine replacing these static results with ones based on a QuerySet-
based database query. You may wish to use itertools.imap to lazily
format the filename before returning it.
"""
def items():
for letter in "abc":
yield "%s.txt" % letter
def count_cb():
return 3
return DirectoryResponse(items, count_cb)
def fuse_artist(dir_name):
artist = get_object_or_404(Artist, dir_name=dir_name)
return DirectoryResponse()
def fuse_index():
return DirectoryResponse(
Artist.objects.composers().values_list('dir_name', flat=True), )
def fuse_artist(dir_name):
artist = get_object_or_404(Artist, dir_name=dir_name)
albums = artist.albums()
return DirectoryResponse(albums.values_list('dir_name', flat=True))
def fuse_index():
artists = Artist.objects.all()
return DirectoryResponse(artists.values_list('dir_name', flat=True))
def fuse_index():
return DirectoryResponse(['Albums', 'Classical'])