def _actual_search(self, needle, start, end, step, cb):
playlist = self.playlist
xc = self.xc
search_fields = get_config("search_fields")
cur = start
first = True
# TODO: this loop is ugly
while True:
# the end?
if cur == start and not first:
# we cycled through
cb(False)
return
# not the first anymore?
first = False
# check the playlist item
item = playlist[cur]
meta = item.meta
if meta != None:
# let's compare
for key in search_fields:
if key in meta:
value = meta[key]
if isinstance(value, basestring) and needle.search(value):
# found one
self._focus = cur
self.modified()
update()
cb(True)
return
else:
# we have to request the meta information
def request_cb(meta):
self._actual_search(needle, cur, end, step, cb)
item.request(xc, request_cb)
# prefetch next items
pre = cur
for i in range(self.PRE_CACHING):
pre = step(pre)
if pre != None:
playlist[pre].request(xc, None)
else:
break
# the callback of the request will continue our work
return
cur = step(cur)
def init_commands(self):
self.hotkeys = hotkeys = {}
for part, mappings in get_config('hotkeys').items():
hotkeys[part] = part_keys = {}
for command, bindings in mappings.items():
for binding in bindings:
part_keys[binding] = command