def test_get_all_raises_timeout_if_not_all_futures_are_available(futures):
futures[0].set(0)
futures[1].set(1)
# futures[2] is unset
with pytest.raises(Timeout):
get_all(futures, timeout=0)
def test_get_all_can_be_called_multiple_times(self):
self.results[0].set(0)
self.results[1].set(1)
self.results[2].set(2)
result1 = get_all(self.results)
result2 = get_all(self.results)
self.assertEqual(result1, result2)
def test_get_all_can_be_called_multiple_times(self):
self.results[0].set(0)
self.results[1].set(1)
self.results[2].set(2)
result1 = get_all(self.results)
result2 = get_all(self.results)
self.assertEqual(result1, result2)
def make_burger(self, order):
recipe = self.recipes[order]
future_ingredients = []
for ingredient in recipe:
future_ingredient = self.preparer_proxy.prepare_ingredient(
ingredient)
future_ingredients.append(future_ingredient)
prepared_ingredients = pykka.get_all(pykka.get_all(future_ingredients))
return Burger(order, prepared_ingredients)
def test_get_all_can_be_called_multiple_times(futures):
futures[0].set(0)
futures[1].set(1)
futures[2].set(2)
result1 = get_all(futures)
result2 = get_all(futures)
assert result1 == result2
def refresh(self, uri=None):
"""
Refresh library. Limit to URI and below if an URI is given.
:param uri: directory or track URI
:type uri: string
"""
if uri is not None:
backend = self._get_backend(uri)
if backend:
backend.library.refresh(uri).get()
else:
futures = [b.library.refresh(uri) for b in self.backends.with_library.values()]
pykka.get_all(futures)
def refresh(self, uri=None):
"""
Refresh library. Limit to URI and below if an URI is given.
:param uri: directory or track URI
:type uri: string
"""
if uri is not None:
backend = self._get_backend(uri)
if backend:
backend.library.refresh(uri).get()
else:
futures = [
b.library.refresh(uri) for b in self.backends.with_library]
pykka.get_all(futures)
def extract_recipes(ingredient_list):
"""
Extracts recipes for a list of ingredients *Multi-Threaded Solution*
:param ingredient_list: list of ingredients to serve the initial query
:return: Dictionary of recipes (includes link and ingredient list for each recipe)
"""
query = ", ".join(ingredient_list)
# Initiate the search
base_url = "http://allrecipes.com"
entry = base_url + "/search/results/?wt=" + query + "&sort=re"
start_page = requests.get(entry)
tree = html.fromstring(start_page.content)
response = tree.xpath('//article[contains(@class, \'grid-col--fixed-tiles\')]//@href')
# Extract search result links
links = set()
for i in xrange(min(10, len(response))):
if "recipe" in str(response[i]):
links.add(base_url + response[i])
# Spawn workers to process each link
futures, workers = [], []
for link in links:
message = {'link': link}
actor_ref = Worker.start()
workers.append(actor_ref)
futures.append(actor_ref.ask(message, block=False))
# Collect and merge worker answers
recipes = dict()
answers = pykka.get_all(futures)
for answer in answers:
recipes[answer['name']] = dict()
recipes[answer['name']]['ingredients'] = answer['ingredients']
recipes[answer['name']]['link'] = answer['link']
for worker in workers:
worker.stop()
return recipes
def search(self, query=None, **kwargs):
"""
Search the library for tracks where ``field`` contains ``values``.
Examples::
# Returns results matching 'a'
search({'any': ['a']})
search(any=['a'])
# Returns results matching artist 'xyz'
search({'artist': ['xyz']})
search(artist=['xyz'])
# Returns results matching 'a' and 'b' and artist 'xyz'
search({'any': ['a', 'b'], 'artist': ['xyz']})
search(any=['a', 'b'], artist=['xyz'])
:param query: one or more queries to search for
:type query: dict
:rtype: list of :class:`mopidy.models.SearchResult`
"""
query = query or kwargs
futures = [
b.library.search(**query) for b in self.backends.with_library]
return [result for result in pykka.get_all(futures) if result]
def test_wait_all_is_alias_of_get_all(self):
self.results[0].set(0)
self.results[1].set(1)
self.results[2].set(2)
result1 = get_all(self.results)
result2 = wait_all(self.results)
self.assertEqual(result1, result2)
def get_images(self, uris):
"""Lookup the images for the given URIs
Backends can use this to return image URIs for any URI they know about
be it tracks, albums, playlists... The lookup result is a dictionary
mapping the provided URIs to lists of images.
Unknown URIs or URIs the corresponding backend couldn't find anything
for will simply return an empty list for that URI.
:param list uris: list of URIs to find images for
:rtype: {uri: tuple of :class:`mopidy.models.Image`}
.. versionadded:: 1.0
"""
futures = [
backend.library.get_images(backend_uris)
for (backend, backend_uris)
in self._get_backends_to_uris(uris).items() if backend_uris]
results = {uri: tuple() for uri in uris}
for r in pykka.get_all(futures):
for uri, images in r.items():
results[uri] += tuple(images)
return results
def get_images(self, uris):
"""Lookup the images for the given URIs
Backends can use this to return image URIs for any URI they know about
be it tracks, albums, playlists... The lookup result is a dictionary
mapping the provided URIs to lists of images.
Unknown URIs or URIs the corresponding backend couldn't find anything
for will simply return an empty list for that URI.
:param list uris: list of URIs to find images for
:rtype: {uri: tuple of :class:`mopidy.models.Image`}
.. versionadded:: 1.0
"""
futures = [
backend.library.get_images(backend_uris)
for (backend,
backend_uris) in self._get_backends_to_uris(uris).items()
if backend_uris
]
results = {uri: tuple() for uri in uris}
for r in pykka.get_all(futures):
for uri, images in r.items():
results[uri] += tuple(images)
return results
def test_get_all_blocks_until_all_futures_are_available(futures):
futures[0].set(0)
futures[1].set(1)
futures[2].set(2)
result = get_all(futures)
assert result == [0, 1, 2]
def get_playlists(self, include_tracks=True):
futures = [
b.playlists.playlists for b in self.backends.with_playlists]
results = pykka.get_all(futures)
playlists = list(itertools.chain(*results))
if not include_tracks:
playlists = [p.copy(tracks=[]) for p in playlists]
return playlists
def test_get_all_raises_timeout_if_not_all_futures_are_available(self):
try:
self.results[0].set(0)
self.results[2].set(2)
result = get_all(self.results, timeout=0)
self.fail('Should timeout')
except gevent.Timeout:
pass
def _nodes_down(self, size):
# Make sure to iterate over self.cloud_nodes because what we're
# counting here are compute nodes that are reported by the cloud
# provider but are considered "down" by Arvados.
return sum(1 for down in pykka.get_all(
rec.actor.in_state('down')
for rec in self.cloud_nodes.nodes.itervalues()
if size is None or rec.cloud_node.size.id == size.id) if down)
def get_playlists(self, include_tracks=True):
futures = [
b.playlists.playlists for b in self.backends.with_playlists]
results = pykka.get_all(futures)
playlists = list(itertools.chain(*results))
if not include_tracks:
playlists = [p.copy(tracks=[]) for p in playlists]
return playlists
def _node_states(self, size):
states = pykka.get_all(rec.actor.get_state()
for rec in self.cloud_nodes.nodes.itervalues()
if ((size is None or rec.cloud_node.size.id == size.id) and
rec.shutdown_actor is None))
states += ['shutdown' for rec in self.cloud_nodes.nodes.itervalues()
if ((size is None or rec.cloud_node.size.id == size.id) and
rec.shutdown_actor is not None)]
return states
def _nodes_missing(self, size):
return sum(
1 for arv_node in pykka.get_all(
rec.actor.arvados_node
for rec in self.cloud_nodes.nodes.itervalues()
if rec.cloud_node.size.id == size.id
and rec.actor.cloud_node.get().id not in self.shutdowns)
if arv_node
and cnode.arvados_node_missing(arv_node, self.node_stale_after))
def _node_states(self, size):
proxy_states = []
states = []
for rec in self.cloud_nodes.nodes.itervalues():
if size is None or rec.cloud_node.size.id == size.id:
if rec.shutdown_actor is None and rec.actor is not None:
proxy_states.append(rec.actor.get_state())
else:
states.append("shutdown")
return states + pykka.get_all(proxy_states)
def _node_states(self, size):
proxy_states = []
states = []
for rec in self.cloud_nodes.nodes.itervalues():
if size is None or rec.cloud_node.size.id == size.id:
if rec.shutdown_actor is None and rec.actor is not None:
proxy_states.append(rec.actor.get_state())
else:
states.append("shutdown")
return states + pykka.get_all(proxy_states)
def _node_states(self, size):
states = pykka.get_all(
rec.actor.get_state()
for rec in self.cloud_nodes.nodes.itervalues()
if ((size is None or rec.cloud_node.size.id == size.id)
and rec.shutdown_actor is None))
states += [
'shutdown' for rec in self.cloud_nodes.nodes.itervalues()
if ((size is None or rec.cloud_node.size.id == size.id)
and rec.shutdown_actor is not None)
]
return states
def refresh(self, uri_scheme=None):
"""
Refresh the playlists in :attr:`playlists`.
If ``uri_scheme`` is :class:`None`, all backends are asked to refresh.
If ``uri_scheme`` is an URI scheme handled by a backend, only that
backend is asked to refresh. If ``uri_scheme`` doesn't match any
current backend, nothing happens.
:param uri_scheme: limit to the backend matching the URI scheme
:type uri_scheme: string
"""
if uri_scheme is None:
futures = [b.playlists.refresh() for b in self.backends.with_playlists]
pykka.get_all(futures)
listener.CoreListener.send("playlists_loaded")
else:
backend = self.backends.with_playlists_by_uri_scheme.get(uri_scheme, None)
if backend:
backend.playlists.refresh().get()
listener.CoreListener.send("playlists_loaded")
def make_burger(self, order):
recipe = self.recipes[order]
future_ingredients = []
for ingredient in recipe:
if is_slice(ingredient):
slicer = next(self.slicers)
future_ingredient = slicer.ask_for_sliced(ingredient)
else:
griller = next(self.grillers)
future_ingredient = griller.ask_for_grilled(ingredient)
future_ingredients.append(future_ingredient)
prepared_ingredients = pykka.get_all(future_ingredients)
return Burger(order, prepared_ingredients)
def refresh(self, uri_scheme=None):
"""
Refresh the playlists in :attr:`playlists`.
If ``uri_scheme`` is :class:`None`, all backends are asked to refresh.
If ``uri_scheme`` is an URI scheme handled by a backend, only that
backend is asked to refresh. If ``uri_scheme`` doesn't match any
current backend, nothing happens.
:param uri_scheme: limit to the backend matching the URI scheme
:type uri_scheme: string
"""
if uri_scheme is None:
futures = [b.playlists.refresh()
for b in self.backends.with_playlists.values()]
pykka.get_all(futures)
listener.CoreListener.send('playlists_loaded')
else:
backend = self.backends.with_playlists.get(uri_scheme, None)
if backend:
backend.playlists.refresh().get()
listener.CoreListener.send('playlists_loaded')
def run(pool_size, *ips):
# Start resolvers
resolvers = [Resolver.start().proxy() for _ in range(pool_size)]
# Distribute work by mapping IPs to resolvers (not blocking)
hosts = []
for i, ip in enumerate(ips):
hosts.append(resolvers[i % len(resolvers)].resolve(ip))
# Gather results (blocking)
ip_to_host = zip(ips, pykka.get_all(hosts))
pprint.pprint(list(ip_to_host))
# Clean up
pykka.ActorRegistry.stop_all()
def run(pool_size, *ips):
# Start resolvers
resolvers = [Resolver.start().proxy() for _ in range(pool_size)]
# Distribute work by mapping IPs to resolvers (not blocking)
hosts = []
for i, ip in enumerate(ips):
hosts.append(resolvers[i % len(resolvers)].resolve(ip))
# Gather results (blocking)
ip_to_host = zip(ips, pykka.get_all(hosts))
pprint.pprint(list(ip_to_host))
# Clean up
pykka.ActorRegistry.stop_all()
def find_exact(self, query=None, uris=None, **kwargs):
"""
Search the library for tracks where ``field`` is ``values``.
If the query is empty, and the backend can support it, all available
tracks are returned.
If ``uris`` is given, the search is limited to results from within the
URI roots. For example passing ``uris=['file:']`` will limit the search
to the local backend.
Examples::
# Returns results matching 'a' from any backend
find_exact({'any': ['a']})
find_exact(any=['a'])
# Returns results matching artist 'xyz' from any backend
find_exact({'artist': ['xyz']})
find_exact(artist=['xyz'])
# Returns results matching 'a' and 'b' and artist 'xyz' from any
# backend
find_exact({'any': ['a', 'b'], 'artist': ['xyz']})
find_exact(any=['a', 'b'], artist=['xyz'])
# Returns results matching 'a' if within the given URI roots
# "file:///media/music" and "spotify:"
find_exact(
{'any': ['a']}, uris=['file:///media/music', 'spotify:'])
find_exact(any=['a'], uris=['file:///media/music', 'spotify:'])
:param query: one or more queries to search for
:type query: dict
:param uris: zero or more URI roots to limit the search to
:type uris: list of strings or :class:`None`
:rtype: list of :class:`mopidy.models.SearchResult`
"""
query = query or kwargs
futures = [
backend.library.find_exact(query=query, uris=backend_uris)
for (backend,
backend_uris) in self._get_backends_to_uris(uris).items()
]
return [result for result in pykka.get_all(futures) if result]
def find_exact(self, query=None, uris=None, **kwargs):
"""
Search the library for tracks where ``field`` is ``values``.
If the query is empty, and the backend can support it, all available
tracks are returned.
If ``uris`` is given, the search is limited to results from within the
URI roots. For example passing ``uris=['file:']`` will limit the search
to the local backend.
Examples::
# Returns results matching 'a' from any backend
find_exact({'any': ['a']})
find_exact(any=['a'])
# Returns results matching artist 'xyz' from any backend
find_exact({'artist': ['xyz']})
find_exact(artist=['xyz'])
# Returns results matching 'a' and 'b' and artist 'xyz' from any
# backend
find_exact({'any': ['a', 'b'], 'artist': ['xyz']})
find_exact(any=['a', 'b'], artist=['xyz'])
# Returns results matching 'a' if within the given URI roots
# "file:///media/music" and "spotify:"
find_exact(
{'any': ['a']}, uris=['file:///media/music', 'spotify:'])
find_exact(any=['a'], uris=['file:///media/music', 'spotify:'])
:param query: one or more queries to search for
:type query: dict
:param uris: zero or more URI roots to limit the search to
:type uris: list of strings or :class:`None`
:rtype: list of :class:`mopidy.models.SearchResult`
"""
query = query or kwargs
futures = [
backend.library.find_exact(query=query, uris=backend_uris)
for (backend, backend_uris)
in self._get_backends_to_uris(uris).items()]
return [result for result in pykka.get_all(futures) if result]
def _load_songs(songs):
""" A wrapper around _load_song that
allows for multiple songs to be looked
up using the same database connection
"""
loaders = [
Loader.start().proxy() for _ in range(min(len(songs), cpu_count()))
]
loaded = []
for i, song in enumerate(songs):
loaded.append(loaders[i % len(loaders)].load(song))
segs = _flatten(pykka.get_all(loaded))
for loader in loaders:
loader.stop()
return segs
def search(self, **query):
"""
Search the library for tracks where ``field`` contains ``values``.
Examples::
# Returns results matching 'a'
search(any=['a'])
# Returns results matching artist 'xyz'
search(artist=['xyz'])
# Returns results matching 'a' and 'b' and artist 'xyz'
search(any=['a', 'b'], artist=['xyz'])
:param query: one or more queries to search for
:type query: dict
:rtype: list of :class:`mopidy.models.Track`
"""
futures = [
b.library.search(**query) for b in self.backends.with_library]
results = pykka.get_all(futures)
return list(itertools.chain(*results))
def parallel_run(pool_size, call_limit, queries):
__logger = log4p.GetLogger(__name__,
logging_level=settings.DEBUG_LEVEL,
config=settings.LOGGING_CONFIG)
callers = [Caller.start().proxy() for _ in range(pool_size)]
json_results = []
for i, query in enumerate(queries):
if i < call_limit:
json_results.append(callers[i %
len(callers)].map_address_call(query))
else:
pass
gathered_results = pykka.get_all(json_results)
pykka.ActorRegistry.stop_all()
__logger.logger.debug(gathered_results)
return gathered_results
def get_distinct(self, field, query=None):
"""
List distinct values for a given field from the library.
This has mainly been added to support the list commands the MPD
protocol supports in a more sane fashion. Other frontends are not
recommended to use this method.
:param string field: One of ``artist``, ``albumartist``, ``album``,
``composer``, ``performer``, ``date``or ``genre``.
:param dict query: Query to use for limiting results, see
:meth:`search` for details about the query format.
:rtype: set of values corresponding to the requested field type.
.. versionadded:: 1.0
"""
futures = [b.library.get_distinct(field, query)
for b in self.backends.with_library.values()]
result = set()
for r in pykka.get_all(futures):
result.update(r)
return result
def search(self, **query):
"""
Search the library for tracks where ``field`` contains ``values``.
Examples::
# Returns results matching 'a'
search(any=['a'])
# Returns results matching artist 'xyz'
search(artist=['xyz'])
# Returns results matching 'a' and 'b' and artist 'xyz'
search(any=['a', 'b'], artist=['xyz'])
:param query: one or more queries to search for
:type query: dict
:rtype: list of :class:`mopidy.models.Track`
"""
futures = [
b.library.search(**query) for b in self.backends.with_library
]
results = pykka.get_all(futures)
return list(itertools.chain(*results))
def extract_recipes(ingredient_list, count=50):
"""
Extracts recipes for a list of ingredients *Multi-Threaded Solution*
:param count: number of recipes to extract
:param ingredient_list: list of ingredients to serve the initial query
:return: Dictionary of recipes (includes link and ingredient list for each recipe)
"""
query = ", ".join(ingredient_list)
# Initiate the search
base_url = "http://allrecipes.com"
entry = base_url + "/search/results/?wt=" + query + "&sort=re"
start_page = requests.get(entry)
tree = html.fromstring(start_page.content)
response = tree.xpath('//article[contains(@class, \'grid-col--fixed-tiles\')]//@href')
# Extract search result links
links = set()
for r in response:
if "/recipe/" in str(r):
links.add(base_url + r)
# Spawn workers to process each link
links = list(links)
shuffle(links)
futures, workers = [], []
for i in xrange(min(count, len(links))):
message = {'link': links[i]}
actor_ref = Worker.start()
workers.append(actor_ref)
futures.append(actor_ref.ask(message, block=False))
# Collect and merge worker answers
recipes = dict()
answers = pykka.get_all(futures)
for answer in answers:
recipes[answer['name']] = dict()
recipes[answer['name']]['ingredients'] = answer['ingredients']
recipes[answer['name']]['link'] = answer['link']
recipes[answer['name']]['picture'] = answer['picture']
for worker in workers:
worker.stop()
return recipes
def get_distinct(self, field, query=None):
"""
List distinct values for a given field from the library.
This has mainly been added to support the list commands the MPD
protocol supports in a more sane fashion. Other frontends are not
recommended to use this method.
:param string field: One of ``track``, ``artist``, ``albumartist``,
``album``, ``composer``, ``performer``, ``date``or ``genre``.
:param dict query: Query to use for limiting results, see
:meth:`search` for details about the query format.
:rtype: set of values corresponding to the requested field type.
.. versionadded:: 1.0
"""
futures = [
b.library.get_distinct(field, query)
for b in self.backends.with_library.values()
]
result = set()
for r in pykka.get_all(futures):
result.update(r)
return result
def _actor_nodes(self, node_actor):
return pykka.get_all([node_actor.cloud_node, node_actor.arvados_node])
def _nodes_busy(self, size):
return sum(1 for busy in pykka.get_all(
rec.actor.in_state('busy')
for rec in self.cloud_nodes.nodes.itervalues()
if rec.cloud_node.size.id == size.id) if busy)
def test_get_all_blocks_until_all_futures_are_available(self):
self.results[0].set(0)
self.results[1].set(1)
self.results[2].set(2)
result = get_all(self.results)
self.assertEqual(result, [0, 1, 2])
def test_multi_threaded_analog_read(self, multi_threading_test_devices,
seed):
# Reset the pseudorandom number generator with seed.
random.seed(seed)
sample_rate = 10000
samples_per_read = int(sample_rate / 10)
number_of_reads = random.randint(200, 500)
number_of_samples = samples_per_read * number_of_reads
channels_to_test = []
for device in multi_threading_test_devices:
channels_to_test.append(random.choice(device.ai_physical_chans))
tasks = []
try:
for channel_to_test in channels_to_test:
task = None
try:
task = nidaqmx.Task()
task.ai_channels.add_ai_voltage_chan(channel_to_test.name,
max_val=10,
min_val=-10)
task.timing.cfg_samp_clk_timing(
sample_rate, samps_per_chan=number_of_samples)
except nidaqmx.DaqError:
if task is not None:
task.close()
raise
else:
tasks.append(task)
except nidaqmx.DaqError:
for task in tasks:
task.close()
raise
actor_refs = []
actor_proxies = []
for task in tasks:
actor_ref = DAQmxReaderActor.start(task)
actor_refs.append(actor_ref)
actor_proxies.append(actor_ref.proxy())
try:
for task in tasks:
task.start()
read_futures = []
for actor_proxy in actor_proxies:
read_futures.append(
actor_proxy.read(samples_per_read,
number_of_reads,
timeout=2))
pykka.get_all(read_futures, (number_of_samples / sample_rate) + 10)
finally:
for task in tasks:
task.close()
for actor_ref in actor_refs:
try:
actor_ref.stop(timeout=(number_of_samples / sample_rate) +
10)
except pykka.Timeout:
print('Could not stop actor {0} within the specified '
'timeout.'.format(actor_ref))
def test_get_all_blocks_until_all_futures_are_available(self):
self.results[0].set(0)
self.results[1].set(1)
self.results[2].set(2)
result = get_all(self.results)
self.assertEqual(result, [0, 1, 2])
def get_uri_schemes(self):
futures = [b.uri_schemes for b in self.backends]
results = pykka.get_all(futures)
uri_schemes = itertools.chain(*results)
return sorted(uri_schemes)
def _nodes_missing(self, size):
return sum(1 for arv_node in
pykka.get_all(rec.actor.arvados_node for rec in
self.cloud_nodes.nodes.itervalues()
if rec.cloud_node.size.id == size.id and rec.actor.cloud_node.get().id not in self.shutdowns)
if arv_node and cnode.arvados_node_missing(arv_node, self.node_stale_after))
def _nodes_busy(self):
return sum(1 for idle in
pykka.get_all(rec.actor.in_state('idle') for rec in
self.cloud_nodes.nodes.itervalues())
if idle is False)
def status(context):
"""
*musicpd.org, status section:*
``status``
Reports the current status of the player and the volume level.
- ``volume``: 0-100 or -1
- ``repeat``: 0 or 1
- ``single``: 0 or 1
- ``consume``: 0 or 1
- ``playlist``: 31-bit unsigned integer, the playlist version
number
- ``playlistlength``: integer, the length of the playlist
- ``state``: play, stop, or pause
- ``song``: playlist song number of the current song stopped on or
playing
- ``songid``: playlist songid of the current song stopped on or
playing
- ``nextsong``: playlist song number of the next song to be played
- ``nextsongid``: playlist songid of the next song to be played
- ``time``: total time elapsed (of current playing/paused song)
- ``elapsed``: Total time elapsed within the current song, but with
higher resolution.
- ``bitrate``: instantaneous bitrate in kbps
- ``xfade``: crossfade in seconds
- ``audio``: sampleRate``:bits``:channels
- ``updatings_db``: job id
- ``error``: if there is an error, returns message here
*Clarifications based on experience implementing*
- ``volume``: can also be -1 if no output is set.
- ``elapsed``: Higher resolution means time in seconds with three
decimal places for millisecond precision.
"""
futures = {
'tracklist.length': context.core.tracklist.length,
'tracklist.version': context.core.tracklist.version,
'playback.volume': context.core.playback.volume,
'tracklist.consume': context.core.tracklist.consume,
'tracklist.random': context.core.tracklist.random,
'tracklist.repeat': context.core.tracklist.repeat,
'tracklist.single': context.core.tracklist.single,
'playback.state': context.core.playback.state,
'playback.current_tl_track': context.core.playback.current_tl_track,
'tracklist.index': (
context.core.tracklist.index(
context.core.playback.current_tl_track.get())),
'playback.time_position': context.core.playback.time_position,
}
pykka.get_all(futures.values())
result = [
('volume', _status_volume(futures)),
('repeat', _status_repeat(futures)),
('random', _status_random(futures)),
('single', _status_single(futures)),
('consume', _status_consume(futures)),
('playlist', _status_playlist_version(futures)),
('playlistlength', _status_playlist_length(futures)),
('xfade', _status_xfade(futures)),
('state', _status_state(futures)),
]
if futures['playback.current_tl_track'].get() is not None:
result.append(('song', _status_songpos(futures)))
result.append(('songid', _status_songid(futures)))
if futures['playback.state'].get() in (
PlaybackState.PLAYING, PlaybackState.PAUSED):
result.append(('time', _status_time(futures)))
result.append(('elapsed', _status_time_elapsed(futures)))
result.append(('bitrate', _status_bitrate(futures)))
return result
def _actor_nodes(self, node_actor):
return pykka.get_all([node_actor.cloud_node, node_actor.arvados_node])
def __init__(self, pantry, n_slicers=8, n_grillers=4, n_builders=16):
self.slicers = [SlicerActor.start(pantry).proxy() for _ in range(n_slicers)]
self.grillers = [GrillerActor.start(pantry).proxy() for _ in range(n_grillers)]
self.builders = [
BurgerBuilderActor.start(RECIPES, self.slicers, self.grillers).proxy() for _ in range(n_builders)
]
if __name__ == "__main__":
multiplier = int(sys.argv[2]) if len(sys.argv) > 2 else 1
orders = multiplier * sys.argv[1].split(",")
kitchen = KitchenActors(Pantry())
builder_generator = round_robin_generator(kitchen.builders)
start_time = time.time()
future_burgers = []
for order in orders:
builder = next(builder_generator)
future_burger = builder.make_burger(order)
future_burgers.append(future_burger)
burgers = pykka.get_all(future_burgers)
for order, burger in zip(orders, burgers):
burger.taste(RECIPES[order])
print(f"You can eat your delicious '{burger}'")
pykka.ActorRegistry.stop_all()
print(f"Delivered {len(orders)} burgers in {time.time()-start_time}s")
def get_playlists(self):
futures = [b.playlists.playlists for b in self.backends.with_playlists]
results = pykka.get_all(futures)
return list(itertools.chain(*results))
def get_playlists(self):
futures = [
b.playlists.playlists for b in self.backends.with_playlists]
results = pykka.get_all(futures)
return list(itertools.chain(*results))
def get_uri_schemes(self):
"""Get list of URI schemes we can handle"""
futures = [b.uri_schemes for b in self.backends]
results = pykka.get_all(futures)
uri_schemes = itertools.chain(*results)
return sorted(uri_schemes)
def analyze_segments(segs):
ss = SongSegment()
count = ss.count()
allMatches = list(map(lambda x: [], segs))
matchers = [Matcher.start().proxy() for _ in range(cpu_count())]
print("Searching through " + str(count // BUCKET_SIZE + 1) +
" buckets, with " + str(BUCKET_SIZE) + " segments in each")
for i in range(0, count // BUCKET_SIZE + 1):
print("Bucket: " + str(i + 1))
established_segments = list(
filter(
lambda x: x['mfcc'] is not None and x['chroma'] is not None and
x['tempogram'] is not None,
ss.get_all_in_range(i * BUCKET_SIZE, (i + 1) * BUCKET_SIZE)))
established_segments = list(
map(_process_db_segment, established_segments))
data = np.array(list(map(lambda x: x[3], established_segments)))
bucket = _create_bucket(data)
query_object = bucket[1].construct_query_pool()
query_object.set_num_probes(25)
matched = []
for i, seg in enumerate(segs):
matched.append(matchers[i % len(matchers)].match(
seg, query_object))
matches = pykka.get_all(matched)
for j in range(0, len(matches)):
allMatches[j].append(
list(map(lambda x: established_segments[x], matches[j])))
del data
del bucket
del established_segments
del query_object
del matches
for matcher in matchers:
matcher.stop()
for i in range(0, len(segs)):
best = _find_best_matches(_flatten(allMatches[i]), segs[i])
matches = ss.get_by_ids(list(map(lambda match: match[0][0], best)))
matches = list(
map(lambda match: (match['_id'], match['similar']), matches))
for j in range(0, len(matches)):
matches[j][1].append(
dict({
'id': segs[i][0],
'distance': best[j][1],
}))
match_ids = list(set(map(lambda x: x['id'], matches[j][1])))
innerMatches = list(
map(
lambda match_id: next(x for x in matches[j][1]
if x['id'] == match_id), match_ids))
innerMatches.sort(key=lambda m: m['distance'])
ss.update_similar(matches[j][0], innerMatches[:10])
formatted = []
for match in best:
formatted.append(dict({'id': match[0][0], 'distance': match[1]}))
ss.update_similar(segs[i][0], formatted)
ss.close()
def get_uri_schemes(self):
"""Get list of URI schemes we can handle"""
futures = [b.uri_schemes for b in self.backends]
results = pykka.get_all(futures)
uri_schemes = itertools.chain(*results)
return sorted(uri_schemes)
def _get_actor_attrs(self, actor, *attr_names):
return pykka.get_all([getattr(actor, name) for name in attr_names])
def _get_actor_attrs(self, actor, *attr_names):
return pykka.get_all([getattr(actor, name) for name in attr_names])
def get_uri_schemes(self):
futures = [b.uri_schemes for b in self.backends]
results = pykka.get_all(futures)
uri_schemes = itertools.chain(*results)
return sorted(uri_schemes)
def status(context):
"""
*musicpd.org, status section:*
``status``
Reports the current status of the player and the volume level.
- ``volume``: 0-100 or -1
- ``repeat``: 0 or 1
- ``single``: 0 or 1
- ``consume``: 0 or 1
- ``playlist``: 31-bit unsigned integer, the playlist version
number
- ``playlistlength``: integer, the length of the playlist
- ``state``: play, stop, or pause
- ``song``: playlist song number of the current song stopped on or
playing
- ``songid``: playlist songid of the current song stopped on or
playing
- ``nextsong``: playlist song number of the next song to be played
- ``nextsongid``: playlist songid of the next song to be played
- ``time``: total time elapsed (of current playing/paused song)
- ``elapsed``: Total time elapsed within the current song, but with
higher resolution.
- ``bitrate``: instantaneous bitrate in kbps
- ``xfade``: crossfade in seconds
- ``audio``: sampleRate``:bits``:channels
- ``updatings_db``: job id
- ``error``: if there is an error, returns message here
*Clarifications based on experience implementing*
- ``volume``: can also be -1 if no output is set.
- ``elapsed``: Higher resolution means time in seconds with three
decimal places for millisecond precision.
"""
futures = {
'tracklist.length':
context.core.tracklist.length,
'tracklist.version':
context.core.tracklist.version,
'playback.volume':
context.core.playback.volume,
'tracklist.consume':
context.core.tracklist.consume,
'tracklist.random':
context.core.tracklist.random,
'tracklist.repeat':
context.core.tracklist.repeat,
'tracklist.single':
context.core.tracklist.single,
'playback.state':
context.core.playback.state,
'playback.current_tl_track':
context.core.playback.current_tl_track,
'tracklist.index': (context.core.tracklist.index(
context.core.playback.current_tl_track.get())),
'playback.time_position':
context.core.playback.time_position,
}
pykka.get_all(futures.values())
result = [
('volume', _status_volume(futures)),
('repeat', _status_repeat(futures)),
('random', _status_random(futures)),
('single', _status_single(futures)),
('consume', _status_consume(futures)),
('playlist', _status_playlist_version(futures)),
('playlistlength', _status_playlist_length(futures)),
('xfade', _status_xfade(futures)),
('state', _status_state(futures)),
]
if futures['playback.current_tl_track'].get() is not None:
result.append(('song', _status_songpos(futures)))
result.append(('songid', _status_songid(futures)))
if futures['playback.state'].get() in (PlaybackState.PLAYING,
PlaybackState.PAUSED):
result.append(('time', _status_time(futures)))
result.append(('elapsed', _status_time_elapsed(futures)))
result.append(('bitrate', _status_bitrate(futures)))
return result
def _nodes_busy(self, size):
return sum(1 for busy in
pykka.get_all(rec.actor.in_state('busy') for rec in
self.cloud_nodes.nodes.itervalues()
if rec.cloud_node.size.id == size.id)
if busy)
