def test_remove(self):
Registry.set("foo", "bar", "dummy")
FooManager.remove("bar")
with self.assertRaises(NotFound) as cm:
FooManager.remove("bar")
self.assertEqual("No foo matched your argument: bar!",
str(cm.exception))
def test_singleton(self):
a = Registry()
b = Registry()
self.assertIs(a, b)
a[1] = 2
self.assertEqual({1: 2}, b)
def test_get(self):
with self.assertRaises(NotFound) as cm:
FooManager.get("bar")
self.assertEqual("No foo matched your argument: bar!",
str(cm.exception))
Registry.set("foo", "bar", self.data)
obj = FooManager.get("bar")
self.assertIsInstance(obj, FooManager.model)
self.assertDictEqual(self.data, obj.asdict())
def update_quota(cls, cost: int):
"""
Update current date youtube quota usage according to this guide
https://developers.google.com/youtube/v3/determine_quota_cost.
:param int cost:
"""
date = cls.quota_date()
quota = Registry.get(cls.quota_key, date, default=0) + cost
Registry.set(cls.quota_key, {date: quota})
def set(cls, data: Dict):
obj = cls.model(**data)
key = getattr(obj, cls.key)
with contextlib.suppress(KeyError):
data = Registry.get(cls.namespace, key)
for field in attr.fields(cls.model):
if field.metadata.get("keep") and not getattr(obj, field.name):
setattr(obj, field.name, data.get(field.name))
Registry.set(cls.namespace, key, obj.asdict())
return obj
def get_tags(cls, refresh=False) -> List[Tag]:
"""
Return a list of the most popular last.fm tags. The result will be
cached for 30 days.
\f
:rtype: :class:`list` of :class:`pydrag.Tag`
"""
cls.assert_config()
def retrieve_tags():
page = 1
tags = [] # type: List[dict]
with spinner("Fetching tags"):
while len(tags) < 1000:
tags.extend([
t.to_dict()
for t in Tag.get_top_tags(limit=250, page=page)
])
page += 1
return tags
return [
Tag(**data) for data in Registry.cache(
key="last.fm_tag_list",
ttl=timedelta(days=30),
func=retrieve_tags,
refresh=refresh,
)
]
def test_get_tags(self, get_top_tags, time, assert_config):
time.return_value = 1
get_top_tags.side_effect = [
[Tag(name=i) for i in range(0, 250)],
[Tag(name=i) for i in range(250, 500)],
[Tag(name=i) for i in range(500, 750)],
[Tag(name=i) for i in range(750, 1000)],
]
names = [t.name for t in LastService.get_tags()]
self.assertEqual(list(range(0, 1000)), names)
get_top_tags.assert_has_calls(
[
mock.call(limit=250, page=1),
mock.call(limit=250, page=2),
mock.call(limit=250, page=3),
mock.call(limit=250, page=4),
]
)
tags, ttl = Registry.get("last.fm_tag_list")
self.assertEqual(1000, len(tags))
self.assertEqual({"name": 0}, tags[0])
self.assertEqual(timedelta(days=30, seconds=1).total_seconds(), ttl)
assert_config.assert_called_once()
def callme(ttl, value, refresh=False):
return Registry.cache(
key="foo",
ttl=timedelta(seconds=ttl),
func=lambda: value,
refresh=refresh,
)
def get(cls, key, **kwargs):
with contextlib.suppress(KeyError):
data = Registry.get(cls.namespace, str(key), **kwargs)
with contextlib.suppress(TypeError):
return cls.model(**data)
return data
raise NotFound("No {} matched your argument: {}!".format(
cls.namespace, key))
def test_persist(self):
try:
Registry.set(1, 2, 3, 4)
tmp = tempfile.mkdtemp()
file_path = os.path.join(tmp, "foo.json")
Registry.persist(file_path)
Registry.set(1, 2, 3, 5)
Registry._obj = {}
Registry.from_file(file_path)
self.assertEqual({"1": {"2": {"3": 4}}}, Registry())
finally:
shutil.rmtree(tmp)
def test_update(self):
foo = FooManager.set(self.data)
new_foo = FooManager.update(foo, dict(value=2))
self.assertIsNot(foo, new_foo)
self.assertIsInstance(new_foo, FooManager.model)
expected = dict(id="a", value=2, keeper="keep")
self.assertDictEqual(expected, Registry.get("foo", "a"))
self.assertDictEqual(expected, new_foo.asdict())
def cli(ctx: click.Context):
"""Create and upload music playlists to youtube."""
appdir = click.get_app_dir("pytuber", False)
if not os.path.exists(appdir):
print("Application Directory not found! Creating one at", appdir)
os.makedirs(appdir)
cfg = os.path.join(appdir, "storage.db")
init_registry(cfg, version)
ctx.call_on_close(lambda: Registry.persist(cfg))
def test_set(self):
foo = FooManager.set(self.data)
self.assertIsInstance(foo, FooManager.model)
self.assertDictEqual(self.data, Registry.get("foo", "a"))
self.assertDictEqual(self.data, foo.asdict())
bar = FooManager.set(dict(id="a", value=1))
self.assertEqual(foo.asdict(), bar.asdict())
thug = FooManager.set(dict(id="a", value=1, keeper="peek"))
self.assertEqual("peek", thug.keeper)
def test_get_user(self, find, time, assert_config):
time.return_value = 1
my_user = self.get_user()
find.return_value = my_user
self.assertEqual(my_user, LastService.get_user("rj"))
find.assert_called_once_with("rj")
user, ttl = Registry.get("last.fm_user_rj")
self.assertEqual(self.get_user().to_dict(), user)
self.assertEqual(timedelta(hours=24, seconds=1).total_seconds(), ttl)
assert_config.assert_called_once()
def test_from_file(self):
try:
tmp = tempfile.mkdtemp()
file_path = os.path.join(tmp, "foo.json")
with open(file_path, "w") as fp:
json.dump(dict(a=True), fp)
Registry.from_file(file_path)
self.assertEqual(dict(a=True), Registry())
Registry.set("a", False)
self.assertFalse(Registry.get("a"))
Registry.from_file(file_path)
self.assertFalse(Registry.get("a"))
finally:
shutil.rmtree(tmp)
def test_get_artist(self, find, time, assert_config):
time.return_value = 1
find.return_value = Artist(name="Queen")
artist = LastService.get_artist("quueee")
self.assertEqual(Artist(name="Queen"), artist)
find.assert_called_once_with("quueee")
artist, ttl = Registry.get("last.fm_artist_quueee")
self.assertEqual({"name": "Queen"}, artist)
self.assertEqual(timedelta(days=30, seconds=1).total_seconds(), ttl)
assert_config.assert_called_once()
def test_cache(self, time):
time.side_effect = [10, 20.1, 20.1, 20.5, 20.8]
def callme(ttl, value, refresh=False):
return Registry.cache(
key="foo",
ttl=timedelta(seconds=ttl),
func=lambda: value,
refresh=refresh,
)
self.assertEqual("first", callme(10, "first"))
self.assertEqual(("first", 20.0), Registry.get("foo"))
self.assertEqual("second", callme(1, "second"))
self.assertEqual(("second", 21.1), Registry.get("foo"))
self.assertEqual("second", callme(1, "third"))
self.assertEqual(("second", 21.1), Registry.get("foo"))
self.assertEqual("third", callme(100, "third", refresh=True))
self.assertEqual(("third", 120.8), Registry.get("foo"))
self.assertEqual(5, time.call_count)
def get_user(cls, username) -> User:
"""
Use last.fm api to fetch a user by name. The result will be cached for
24 hours.
:param str username: The user's name
:rtype: :class:`pydrag.User`
"""
cls.assert_config()
cache = Registry.cache(
key="last.fm_user_{}".format(username.lower()),
ttl=timedelta(hours=24),
func=lambda: User.find(username).to_dict(),
)
return User(**cache)
def get_artist(cls, artist: str) -> Artist:
"""
Use last.fm api to find an artist by name. The result will be cached
for 30 days.
:param str artist: The artist's name to lookup
:rtype: :class:`pydrag.Artist`
"""
cls.assert_config()
cache = Registry.cache(
key="last.fm_artist_{}".format(artist.lower()),
ttl=timedelta(days=30),
func=lambda: Artist.find(artist).to_dict(),
)
return Artist(**cache)
def find(cls, **kwargs):
def match(data, conditions):
with contextlib.suppress(Exception):
for k, v in conditions.items():
value = data.get(k)
if callable(v):
assert v(value)
elif v is None:
assert value is None
else:
assert type(value)(v) == value
return True
return False
return [
cls.model(**raw)
for raw in Registry.get(cls.namespace, default={}).values()
if match(raw, kwargs)
]
def init_registry(self):
cfg = os.path.join(click.get_app_dir("pytuber", False), "storage.db")
Registry.from_file(cfg)
def get(cls, key, default=None):
return Registry.get(cls.namespace, key, default=default)
def set(cls, *args, **kwargs):
for key, value in kwargs.items():
Registry.set(cls.namespace, key, value)
def find_youtube_id(cls, id: str):
return Registry.get(cls.namespace, id, "youtube_id", default=None)
def remove(cls, key):
try:
Registry.remove(cls.namespace, key)
except KeyError:
raise NotFound("No {} matched your argument: {}!".format(
cls.namespace, key))
def update(cls, obj, data: Dict):
new = attr.evolve(obj, **data)
key = getattr(new, cls.key)
Registry.set(cls.namespace, key, new.asdict())
return new
def tearDown(self):
Registry().clear()
super(TestCase, self).tearDown()
def cli(ctx: click.Context):
"""Create and upload music playlists to youtube."""
cfg = os.path.join(click.get_app_dir("pytuber", False), "storage.db")
init_registry(cfg, version)
ctx.call_on_close(lambda: Registry.persist(cfg))
def exists(cls, obj):
key = getattr(obj, cls.key)
return Registry.exists(cls.namespace, key)
def keys(cls):
return list(Registry.get(cls.namespace, default={}).keys())