class RedisQueue(object):
def __init__(self, name, namespace='queue', **redis_kwargs):
self.__db = Redis(**redis_kwargs)
self.key = "%s :%s" % (namespace, name)
def qsize(self):
return self.__db.llen(self.key)
def empty(self):
return self.qsize() == 0
def put(self, item):
self.__db.rpush(self.key, item)
def get(self, block=True, timeout=None):
if block:
item = self.__db.blpop(self.key, timeout) #if empty, blocking
else:
item = self.__db.lpop(self.key) #if empty,return nothing
if item:
item = item[1]
return item
def get_nowait(self):
return self.get(False)
def clear(self):
for i in xrange(self.qsize()):
item = self.get()
self.__db.delete(item)
if self.empty():
print "queue is empty"
class HashRingTestCase(unittest.TestCase):
def setUp(self):
self.redis = Redis()
self.redis.delete(TEST_KEY)
def get_node(self, n_replicas, total_replicas):
node = RingNode(self.redis, TEST_KEY, n_replicas=n_replicas)
self.assertEqual(len(node.replicas), n_replicas)
self.assertEqual(self.redis.zcard(TEST_KEY), total_replicas-n_replicas)
node.heartbeat()
self.assertEqual(self.redis.zcard(TEST_KEY), total_replicas)
self.assertEqual(len(node.ranges), 0)
return node
def test_node(self):
node1 = self.get_node(1, 1)
node1.update()
self.assertEqual(len(node1.ranges), 1)
node2 = self.get_node(1, 2)
node1.update()
node2.update()
self.assertEqual(len(node1.ranges) + len(node2.ranges), 3)
node3 = self.get_node(2, 4)
node1.update()
node2.update()
node3.update()
self.assertEqual(len(node1.ranges) + len(node2.ranges) + len(node3.ranges), 5)
def reset(tweet_filter):
redis = Redis(
host = args.redis_host,
port = int(args.redis_port),
db = 0
)
if (not tweet_filter):
return json.dumps(
{
'response' : 'error',
'reason' : 'No tweet filter',
}
)
keys = redis.keys("%s:*" % tweet_filter)
count = len(keys)
redis.delete(*keys)
return json.dumps(
{
'response' : 'ok',
'debug' : 'Deleted %s keys' % count,
}
)
class RedisSessionStore(_SessionStore):
u"""Redis を使ったセッションストア
Author: @soundkitchen Izukawa Takanobu
:param
"""
def __init__(self, host='localhost', port=6379, db=0, expire=0, session_class=None):
from redis import Redis
super(RedisSessionStore, self).__init__(session_class=session_class)
self._conn = Redis(host=host, port=port, db=db)
self._expire = int(expire)
def save(self, session):
packed = msg.dumps(dict(session))
self._conn.set(session.sid, packed)
def delete(self, session):
self._conn.delete(session.sid)
def get(self, sid):
if not self.is_valid_key(sid):
return self.new()
packed = self._conn.get(sid)
try:
data = msg.loads(packed, encoding='utf-8')
if self._expire:
self._conn.expire(sid, self._expire)
except TypeError, e:
data = {}
return self.session_class(data, sid, False)
class RedisManager(NoSqlManager):
def __init__(self, namespace, url=None, data_dir=None, lock_dir=None, **params):
self.connection_pool = params.pop('connection_pool', None)
self.db = params.pop('db', None)
NoSqlManager.__init__(self, namespace, url=url, data_dir=data_dir, lock_dir=lock_dir, **params)
def open_connection(self, host, port, **params):
self.db_conn = Redis(host=host, port=int(port), connection_pool=self.connection_pool, db=self.db, **params)
def __contains__(self, key):
log.debug('%s contained in redis cache (as %s) : %s'%(key, self._format_key(key), self.db_conn.exists(self._format_key(key))))
return self.db_conn.exists(self._format_key(key))
def set_value(self, key, value):
key = self._format_key(key)
self.db_conn.set(key, pickle.dumps(value))
def __delitem__(self, key):
key = self._format_key(key)
self.db_conn.delete(key)
def _format_key(self, key):
return 'beaker:%s:%s' % (self.namespace, key.replace(' ', '\302\267'))
def do_remove(self):
self.db_conn.flush()
def keys(self):
raise self.db_conn.keys('beaker:%s:*' % self.namespace)
def check_redis_lock(key, value, logger):
r = None
try:
r = Redis(host = FLAGS.redis_lockserver)
if FLAGS.unlock:
r.delete(key)
logger.info('%s has been deleted' % key)
sys.exit(0)
if r.exists(key):
logger.warning('%s is running' % key)
sys.exit(1)
except:
logger.error("Redis failed %s, %s", key, traceback.format_exc())
sys.exit(0)
try:
try:
r.set(key, value)
except:
logger.error("Redis lock failed %s, %s", key, traceback.format_exc())
sys.exit(0)
yield
finally:
if FLAGS.autounlock:
r.delete(key)
class BaseQueue(object):
def __init__(self, key, db, host, port=6379):
"""Redis task queue for spider
:type key: object
:param server: redis server
:param spider: spider instance
:param key: key of redis queue
"""
# TODO encode the url
self.server = Redis(host, port, db)
self.key = key
def __len__(self):
"""Return the length of the queue"""
raise NotImplementedError
def push(self, url):
"""Push an url"""
raise NotImplementedError
def pop(self):
"""Pop an url"""
raise NotImplementedError
def clear(self):
"""Clear queue"""
self.server.delete(self.key)
class RedisManager(NoSqlManager):
def __init__(self, namespace, url=None, data_dir=None, lock_dir=None, **params):
NoSqlManager.__init__(self, namespace, url=url, data_dir=data_dir, lock_dir=lock_dir, **params)
def open_connection(self, host, port, **params):
self.db_conn = Redis(host=host, port=int(port), **params)
def __contains__(self, key):
return self.db_conn.exists(self._format_key(key))
def set_value(self, key, value, expiretime=None):
key = self._format_key(key)
if expiretime:
self.db_conn.setex(key, expiretime, pickle.dumps(value))
else:
self.db_conn.set(key, pickle.dumps(value))
def __delitem__(self, key):
key = self._format_key(key)
self.db_conn.delete(self._format_key(key))
def _format_key(self, key):
return 'beaker:%s:%s' % (self.namespace, key.replace(' ', '\302\267'))
def do_remove(self):
self.db_conn.flush()
def keys(self):
return self.db_conn.keys('beaker:%s:*' % self.namespace)
def clear():
prefix = settings.CONST_REDIS_KEY_PREFIX
redis = Redis()
keys = redis.keys("{0}*".format(prefix))
for key in keys:
key = key.decode("utf8")
redis.delete(key)
class TestPyrqClient(unittest.TestCase):
def setUp(self):
self._pyrq_client = client.PyRqClient(QUEUE_NAME)
self._pyrq_client.container = container = ConfigContainer(client.CONFIG_KEY)
self._pyrq_client._setup()
configuration = container.config[client.CONFIG_KEY]
self._redis_client = Redis(host=configuration['host'], port=configuration['port'], db=configuration['db'],
password=configuration['password'], decode_responses=True)
self._queue = Queue(QUEUE_NAME, self._redis_client)
def tearDown(self):
self._redis_client.delete(QUEUE_NAME)
def test_dispatch(self):
self._pyrq_client.dispatch('test_method', arg1='aaa', arg2=11)
expected = {
'method': 'test_method',
'params': {
'arg1': 'aaa',
'arg2': 11
}
}
actual = self._queue.get_items(1)[0]
self.assertEquals(expected, json.loads(actual))
self._queue.ack_item(actual)
def test_is_empty(self):
self.assertTrue(self._pyrq_client.is_empty())
self._pyrq_client.dispatch('whatever')
self.assertFalse(self._pyrq_client.is_empty())
def filter(genes, full_query_key, query_key, query_pending_key, uuid):
"""Filter for a given set of gene names"""
from webdorina import RESULT_TTL, SESSION_TTL
redis_store = Redis()
full_results = redis_store.lrange(full_query_key, 0, -1)
results = []
for res_string in full_results:
if res_string == '':
continue
cols = res_string.split('\t')
annotations = cols[8]
for field in annotations.split(';'):
key, val = field.split('=')
if key == 'ID' and val in genes:
results.append(res_string)
num_results = len(results)
if num_results == 0:
results.append('\t\t\t\t\t\t\t\tNo results found')
num_results += 1
for i in xrange(0, num_results, 1000):
res = results[i:i+1000]
redis_store.rpush(query_key, *res)
redis_store.expire(query_key, RESULT_TTL)
redis_store.delete(query_pending_key)
redis_store.setex('sessions:{0}'.format(uuid), json.dumps(dict(state='done', uuid=uuid)), SESSION_TTL)
redis_store.setex('results:sessions:{0}'.format(uuid), json.dumps(dict(redirect=query_key)), SESSION_TTL)
class RedisStore(object):
"""Caching implementation that uses Redis as data storage.
"""
def __init__(self, host='localhost', port=6379, db=0):
try:
from redis import Redis
except ImportError:
raise RuntimeError('Redis support is not available')
self.redis = Redis(host=host, port=port, db=db)
def __getitem__(self, key):
entry = self.redis.get(key)
if entry is None:
return None
entry = json.loads(entry.decode('utf-8'))
return CacheEntry.parse(entry)
def __setitem__(self, key, entry):
data = json.dumps(entry.to_dict()).encode('utf-8')
self.redis.set(key, data)
def __delitem__(self, key):
self.redis.delete(key)
def clear(self):
self.redis.flushdb()
def __len__(self):
return self.redis.dbsize()
def filter_genes(genes, full_query_key, query_key, query_pending_key, uuid,
session_ttl=None, result_ttl=None):
"""Filter for a given set of gene names"""
redis_store = Redis(charset="utf-8", decode_responses=True)
full_results = redis_store.lrange(full_query_key, 0, -1)
results = []
for res_string in full_results:
if res_string == '':
continue
cols = res_string.split('\t')
annotations = cols[8]
for field in annotations.split(';'):
key, val = field.split('=')
if key == 'ID' and val in genes:
results.append(res_string)
num_results = len(results)
if num_results:
for i in range(0, num_results, 1000):
res = results[i:i + 1000]
redis_store.rpush(query_key, *res)
else:
redis_store.rpush(query_key, [])
redis_store.expire(query_key, result_ttl)
redis_store.delete(query_pending_key)
redis_store.setex('sessions:{0}'.format(uuid), json.dumps(dict(
state='done', uuid=uuid)), session_ttl)
redis_store.setex('results:sessions:{0}'.format(uuid), json.dumps(dict(
redirect=query_key)), session_ttl)
class Result(object):
def __init__(self, uuid, redis):
self.uuid = uuid
self.log = ""
self.redis = Redis(host=redis.host,
port=redis.port,
db=redis.db,
password=redis.connection.password)
def check_log(self):
log = self.redis.lpop("understudy:log:%s" % self.uuid)
while log:
self.log += log
log = self.redis.lpop("understudy:log:%s" % self.uuid)
return self.log
def check(self):
self.check_log()
result = self.redis.get("understudy:result:%s" % self.uuid)
if result:
self.redis.delete("understudy:result:%s" % self.uuid)
return result
return None
def group_app_task_out(lock, name, appops, timeout):
from redis import Redis
redis = Redis()
try:
group_app_task(redis, lock, name, appops, timeout)
finally:
redis.delete(lock)
def _test_thinset(conn):
conn = Redis(db=1)
conn.delete('test')
s = ThinSet('test', 10000, connection=conn)
l = range(10)
s.add(*l)
assert s.contains(*range(0, 20, 2)) == [True, True, True, True, True, False, False, False, False, False]
class RefsContainerImplementation(RefsContainer):
def __init__(self, container):
self.db = Redis()
self.container = container
def _calc_ref_path(self, ref):
return '%s::%s' % (self.container, ref)
def allkeys(self):
return self.db.keys()
def read_loose_ref(self, name):
k = self._calc_ref_path(name)
d = self.db.get(k)
if d:
return d
else:
return False
def get_packed_refs(self):
return {}
def set_symbolic_ref(self, name, other):
k = self._calc_ref_path(name)
sref = SYMREF + other
log.debug('setting symbolic ref %s to %r' % (name, sref))
k = self.db.set(k, sref)
def set_if_equals(self, name, old_ref, new_ref):
if old_ref is not None and self.read_loose_ref(name) != old_ref:
return False
realname, _ = self._follow(name)
# set ref (set_if_equals is actually the low-level setting function)
k = self.db.set(self._calc_ref_path(name), new_ref)
return True
def add_if_new(self, name, ref):
if None != self.read_loose_ref(name):
return False
self.set_if_equals(name, None, ref)
return True
def remove_if_equals(self, name, old_ref):
k = self.db.get(self._calc_ref_path(name))
if None == k:
return True
if old_ref is not None and k != old_ref:
return False
self.db.delete(self._calc_ref_path(name))
return True
def __getitem__(self, name):
name = "%s::%s" % (self.container, name)
def setUp(self):
r = Redis(db=9)
systems = ('xbox', 'wii', 'ds', 'ps3', 'pc')
r.delete(MUSIC_KEY)
for system in systems:
r.delete('%s%s'%(GAMES_KEY, system))
r.save()
class TestImportSet(unittest.TestCase):
def setUp(self):
self.redis_client = Redis()
self.redis_import = RedisImport()
self.key = 'test_set'
#make sure key doesn't exist already
self.redis_client.delete(self.key)
def tearDown(self):
self.redis_client.delete(self.key)
def test_load_set(self):
"""
Test basic set import
"""
somestuff = ['1', '2', '3', 'a', 'b', 'c']
self.redis_import.load_set(self.key, somestuff)
self.assertEquals(len(somestuff),
self.redis_client.scard(self.key))
self.assertEquals(self.redis_client.smembers(self.key),
set(somestuff))
def test_set_elements_unique(self):
"""
Test that duplicate elements are removed in sets
"""
#verify that repeated elements are removed
repeats = ['x'] * 5
self.redis_import.load_set(self.key, repeats)
self.assertEquals(1,
self.redis_client.scard(self.key))
def test_non_validated(self):
"""
Test that input with non-string types fails when validation is off
"""
non_strings = [1, 2, 3]
self.assertRaises(
TypeError,
self.redis_import.load_set,
self.key,
non_strings)
def test_validated(self):
"""
Test that validation handles mixed types
"""
non_strings = [1, 2, 3]
self.redis_import.load_set(self.key, non_strings, validate_input=True)
self.assertEquals(3,
self.redis_client.scard(self.key))
self.assertEquals(set([str(x) for x in non_strings]),
self.redis_client.smembers(self.key))
class RedisSessionInterface(SessionInterface):
serializer = pickle
session_class = RedisSession
def __init__(self, app, prefix='session:'):
self.app = app
self.config = app.config
params = dict(
host=self.config.get('CACHE_REDIS_HOST', 'localhost'),
port=self.config.get('CACHE_REDIS_PORT', 6379),
password=self.config.get('CACHE_REDIS_PASSWORD', None),
db=self.config.get('CACHE_REDIS_DB', 0),
default_timeout=300
)
self.redis = Redis()
self.prefix = prefix
def generate_sid(self):
return str(uuid4())
def get_redis_expiration_time(self, app, session):
if session.permanent:
return app.permanent_session_lifetime
return timedelta(days=1)
def open_session(self, app, request):
sid = request.cookies.get(app.session_cookie_name)
if not sid:
sid = self.generate_sid()
return self.session_class(sid=sid)
val = self.redis.get(self.prefix + sid)
if val is not None:
data = self.serializer.loads(val)
return self.session_class(data, sid=sid)
return self.session_class(sid=sid, new=True)
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
if not session:
self.redis.delete(self.prefix + session.sid)
if session.modified:
response.delete_cookie(app.session_cookie_name,
domain=domain)
return
redis_exp = self.get_redis_expiration_time(app, session)
cookie_exp = self.get_expiration_time(app, session)
val = self.serializer.dumps(dict(session))
self.redis.setex(
self.prefix + session.sid,
val,
int(redis_exp.total_seconds())
)
response.set_cookie(app.session_cookie_name, session.sid,
expires=cookie_exp, httponly=True,
domain=domain)
def get_stock_num():
Stock_queue = Queue.Queue()
server = Redis(host='192.168.1.108')
server.delete('stocks')
posts_account = 0
for stock_num in open('stocknums.txt', 'r'):
stocknum = stock_num.strip()
server.sadd('stocks', stocknum)
print 'count:', server.scard('stocks')
def main():
arguments_parser = ArgumentParser(description="Create admin user.")
arguments_parser.add_argument("--db", default=0, type=int, help="database number")
arguments = arguments_parser.parse_args()
database_number = vars(arguments)["db"]
print("Enter your password to create an admin user.")
database = Redis(db=database_number)
database.set("user:admin:password", md5(getpass()).hexdigest())
database.delete("user:admin:profiles")
database.rpush("user:admin:profiles", "admin")
class Lead(object):
"Redis publisher."
def __init__(self, channel, queue=False,
host='localhost', port=6379, db=0, password=None):
self.channel = channel
self.queue = queue
self.redis = Redis(host=host, port=port, db=db, password=password)
def _block(self, uuid):
self.redis.subscribe(uuid)
for message in self.redis.listen():
if message['type'] == 'message':
action = message['data']
if action == "COMPLETE":
self.redis.unsubscribe(uuid)
else:
print action
retval = self.redis.get("understudy:result:%s" % uuid)
self.redis.delete("understudy:result:%s" % uuid)
self.redis.delete("understudy:log:%s" % uuid)
return retval
def _handle(self, directive, block):
serialized = simplejson.dumps(directive)
if self.queue:
self.redis.rpush(self.channel, serialized)
self.redis.publish(self.channel, "GO!")
else:
understudies = self.redis.publish(self.channel, serialized)
if not understudies:
raise NoUnderstudiesError
if block:
return self._block(directive['uuid'])
else:
return Result(directive['uuid'], self.redis)
def shell(self, command, block=False):
uuid = str(uuid4())
directive = {'uuid':uuid, 'handler':'shell', 'action':command}
return self._handle(directive, block)
def perform(self, action, block=False):
uuid = str(uuid4())
directive = {'uuid':uuid, 'handler':'function', 'action':action}
return self._handle(directive, block)
class Session(SessionInterface):
serializer = pickle
session_class = RedisSession
def __init__(
self,
host="localhost",
port=6379,
db=0,
uri=None,
prefix='session:'):
if uri:
self.redis = Redis.from_url(uri)
else:
port = int(port)
db = int(db)
self.redis = Redis(host, port, db)
self.prefix = prefix
def generate_sid(self):
return str(uuid4())
def get_redis_expiration_time(self, app, session):
if session.permanent:
return app.permanent_session_lifetime
return timedelta(days=1)
def open_session(self, app, request):
sid = request.cookies.get(app.session_cookie_name)
if not sid:
sid = self.generate_sid()
return self.session_class(sid=sid)
val = self.redis.get(self.prefix + sid)
if val is not None:
data = self.serializer.loads(val)
return self.session_class(data, sid=sid)
return self.session_class(sid=sid, new=True)
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
if not session:
self.redis.delete(self.prefix + session.sid)
if session.modified:
response.delete_cookie(app.session_cookie_name,
domain=domain)
return
redis_exp = self.get_redis_expiration_time(app, session)
cookie_exp = self.get_expiration_time(app, session)
val = self.serializer.dumps(dict(session))
self.redis.setex(self.prefix + session.sid, val,
int(redis_exp.total_seconds()))
response.set_cookie(app.session_cookie_name, session.sid,
expires=cookie_exp, httponly=True,
domain=domain)
def with_redis_initialization(test_class): # print 'Cleaning Redis for environmet %s'%flapp.config['REDIS_PREFIX'] rcon = Redis() keys = rcon.keys(flapp.config['REDIS_PREFIX'] + '*') for key in keys: print 'Deleting key %s'%key rcon.delete(key) setup_func(test_class) return setup_func
class RedisStorage(Storage):
_redis_connection = None
def __init__(self, host='localhost', port=6379,
db=0, password=None, socket_timeout=None,
connection_pool=None, charset='utf-8',
errors='strict', decode_responses=False,
unix_socket_path=None):
"""
@param host:
@type host: str
@param port:
@type port: int
@param db:
@type db:int
@param password:
@type password: str
@param socket_timeout:
@param connection_pool:
@param charset:
@param errors:
@param decode_responses:
@param unix_socket_path:
"""
self._redis_connection = Redis(host, port, db, password, socket_timeout, connection_pool, charset, errors,
decode_responses, unix_socket_path)
def _open(self, name, *args, **kwargs):
return RedisFile(name, redis_connection=self._redis_connection)
def _save(self, name, content):
redis_file = RedisFile(name, redis_connection=self._redis_connection)
redis_file.writelines(content)
return name
def get_valid_name(self, name):
return name
def get_available_name(self, name):
while self.exists(name):
count = itertools.count(1)
name = u'{0}_{1}'.format(name, count)
return name
def url(self, name):
return u''
def exists(self, name):
return self._redis_connection.exists(name)
def delete(self, name):
self._redis_connection.delete(name)
def post_mapping(): try: mapping=json.loads(request.POST['mapping']) except: return "NO DICE" r=Redis() r.delete(KEY_MAPPING) for k,v in mapping.items(): r.hset(KEY_MAPPING,k,v) LOG.info(mapping) return 'OK'
class RedisAPI():
def __init__(self):
self.rdb = Redis()
def set(self, session_id, session_value):
self.rdb.set(session_id, session_value)
def get(self, session_id):
return self.rdb.get(session_id)
def delete(self, session_id):
self.rdb.delete(session_id)
class Master(object):
def __init__(self):
self.redisCon = Redis(host=conf.REDIS_HOST,
port=conf.REDIS_PORT,
password=conf.REDIS_PASSWD)
self.jobQueue = Queue(connection=self.redisCon)
map(lambda key: self.redisCon.delete(key), [key for key in self.redisCon.keys() if re.search('visit|rq:', key, re.I)])
hashData = hashUrl(conf.CRAWL_SITE)
self.redisCon.lpush('visit', conf.CRAWL_SITE)
self.redisCon.sadd('visitSet', hashData)
def start(self):
initDB()
countDepth = 0
countUrls = 0
while countDepth <= int(conf.CRAWL_DEPTH):
while True:
# wait for 10 minites
# print 'len visite:', self.redisCon.llen('visit')
# print 'len visited:', self.redisCon.scard('visited')
url = self.redisCon.lpop('visit')
if url:
countUrls += 1
print 'countDepth:', countDepth, 'countUrls:', countUrls
self.jobQueue.enqueue_call(crawl, args=(url, countDepth, countUrls))
else:
self.redisCon.delete('visitSet')
break
while True:
# wait 30 seconds, if timeout, jobqueue is empty(except failed job)
keyUrl = self.redisCon.blpop('tmpVisit', timeout=30)
if keyUrl:
url = keyUrl[1]
hashData = hashUrl(url)
if not self.redisCon.sismember('visited', hashData) and \
not self.redisCon.sismember('visitSet', hashData):
self.redisCon.lpush('visit', url)
self.redisCon.sadd('visitSet', hashData)
else:
break
countDepth += 1
def run_analyse(datadir, query_key, query_pending_key, query, uuid,
SESSION_STORE=None, RESULT_TTL=None, SESSION_TTL=None,
tissue=None):
logger.info('Running analysis for {}'.format(query_key))
if tissue:
dorina = run.Dorina(datadir, ext=tissue)
else:
dorina = run.Dorina(datadir)
redis_store = Redis(charset="utf-8", decode_responses=True)
session_store = SESSION_STORE.format(unique_id=uuid)
custom_regulator_file = '{session_store}/{uuid}.bed'.format(
session_store=session_store, uuid=uuid)
set_a = []
for regulator in query['set_a']:
if regulator == uuid:
set_a.append(custom_regulator_file)
else:
set_a.append(regulator)
query['set_a'] = set_a
if query['set_b'] is not None:
set_b = []
for regulator in query['set_b']:
if regulator == uuid:
set_b.append(custom_regulator_file)
else:
set_b.append(regulator)
query['set_b'] = set_b
try:
logger.debug('Storing analysis result for {}'.format(query_key))
result = str(dorina.analyse(**query))
lines = result.splitlines()
logger.debug("returning {} rows".format(len(lines)))
redis_store.rpush(query_key, *lines)
redis_store.setex('results:sessions:{0}'.format(uuid), json.dumps(dict(
redirect=query_key)), SESSION_TTL)
except Exception as e:
result = 'Job failed: %s' % str(e)
redis_store.setex('sessions:{0}'.format(uuid), json.dumps(dict(
state='error', uuid=uuid)), SESSION_TTL)
redis_store.rpush(query_key, result)
redis_store.expire(query_key, RESULT_TTL)
redis_store.setex('sessions:{0}'.format(uuid), json.dumps(dict(
state='done', uuid=uuid)), SESSION_TTL)
redis_store.delete(query_pending_key)
def redis_backend(redis_client: Redis):
set_name = "test-page-counts"
redis_client.delete(set_name)
return RedisBackend(redis_client=redis_client, set_name=set_name)
class RedisBayes(object):
def __init__(self,
redis=None,
prefix='bayes:',
correction=0.1,
tokenizer=None):
self.redis = redis
self.prefix = prefix
self.correction = correction
self.tokenizer = tokenizer or english_tokenizer
if not self.redis:
from redis import Redis
self.redis = Redis()
def flush(self):
for cat in self.redis.smembers(self.prefix + 'categories'):
self.redis.delete(self.prefix + cat)
self.redis.delete(self.prefix + 'categories')
def train(self, category, text):
self.redis.sadd(self.prefix + 'categories', category)
for word, count in occurances(self.tokenizer(text)).iteritems():
self.redis.hincrby(self.prefix + category, word, count)
def untrain(self, category, text):
for word, count in occurances(self.tokenizer(text)).iteritems():
cur = self.redis.hget(self.prefix + category, word)
if cur:
new = int(cur) - count
if new > 0:
self.redis.hset(self.prefix + category, word, new)
else:
self.redis.hdel(self.prefix + category, word)
if self.tally(category) == 0:
self.redis.delete(self.prefix + category)
self.redis.srem(self.prefix + 'categories', category)
def classify(self, text):
score = self.score(text)
if not score:
return None
return sorted(score.iteritems(), key=lambda v: v[1])[-1][0]
def score(self, text):
occurs = occurances(self.tokenizer(text))
scores = {}
for category in self.redis.smembers(self.prefix + 'categories'):
tally = self.tally(category)
if tally == 0:
continue
scores[category] = 0.0
for word, count in occurs.iteritems():
score = self.redis.hget(self.prefix + category, word)
assert not score or score > 0, "corrupt bayesian database"
score = score or self.correction
scores[category] += math.log(float(score) / tally)
return scores
def tally(self, category):
tally = sum(int(x) for x in self.redis.hvals(self.prefix + category))
assert tally >= 0, "corrupt bayesian database"
return tally
class Redis(object):
def __init__(self, db):
self.conf = ConfigCenter.RedisConfig()
host = self.conf['host']
port = self.conf['port']
passwd = self.conf['passwd']
self.db = db
self.__pool = ConnectionPool(host=host,
port=port,
db=self.db,
password=passwd)
self.__conn = RawRedis(connection_pool=self.__pool)
print("*** Connect to redis-server succeed.")
def rset(self, k, v):
rval = self.rget(k)
if rval is not None:
try:
rval = json.loads(rval)
except Exception:
pass
if equal(v, rval):
print("db{}:set【{} => <=】".format(self.db, k))
return
elif rval is None:
print("db{}:set【{} () => {}】".format(self.db, k, v))
else:
print("db{}:set【{} {} => {}】".format(self.db, k, rval, v))
if isinstance(v, (dict, list)):
v = json.dumps(v)
self.__conn.set(k, v)
return
def rget(self, k):
try:
res = self.__conn.get(k)
return None if res is None else res.decode('utf-8')
except Exception as e:
print("*** Get value from redis failed.", k, e)
return None
def delete(self, k):
self.__conn.delete(k)
print("*** db%s:删除【%s】的缓存" % (self.db, k))
@property
def dbsize(self):
return self.__conn.dbsize()
def pipeset(self, lists):
pipe = self.__conn.pipeline(transaction=True)
for list_detail in lists:
k = list(list_detail.keys())[0]
v = list_detail[key]
self.rset(k, v)
pipe.execute()
@property
def scan_iter(self):
''' Scan Redis db to iterator.
'''
for k in self.__conn.keys():
yield k.decode('utf-8'), self.rget(k)
def __update_dict_to_redis__(self, k, v):
''' __update_dict_to_redis__
Merge dict rather than replace it.
'''
if self.rget(k) is not None:
bf_val = self.rget(k)
try:
bf_val = json.loads(bf_val)
bf_val = dict(bf_val, **v)
self.rset(k, bf_val)
except Exception as e:
print("__update_dict_to_redis__ failed.", e)
pass
else:
self.rset(k, v)
class RedisMatching:
def __init__(self, config):
self.db = Redis(host=config['host'],
port=config['port'],
db=config['db'],
decode_responses=True)
self.msg_client = Client(config['account_sid'],
config['auth_token']).messages
self.msg_sender = config['sender']
def set_userdata(self, user_data):
user_data['timestamp'] = int(time())
return self.db.hmset(user_data['phone_numb'], user_data)
def get_userdata(self, user_name):
return self.db.hgetall(user_name)
def get_all_user(self):
return self.db.keys()
def remove_userdata(self, user_name):
return self.db.delete(user_name)
def send_message(self, phone_numb, message):
phone_numb = '+82' + phone_numb[1:]
result = self.msg_client.create(to=phone_numb,
from_=self.msg_sender,
body=message)
return result
def initialize(self):
for key in self.get_all_user():
self.db.delete(key)
def match_user(self):
def make_food_vector(user_data):
food_vector = [
int(user_data['cutlet']),
int(user_data['hamburger']),
int(user_data['noodle']),
int(user_data['korean_food'])
]
return food_vector
def make_message_text(target_name, user_data, similarity=0):
if user_data['gender'] == 'male': user_data['gender'] = '남'
elif user_data['gender'] == 'female': user_data['gender'] = '여'
text ='%s님, 혼밥러 매칭완료!\n\n상대 : %s님\n연락처 : %s\n성별 : %s\n유사도 : %0.2f' \
%(target_name, user_data['user_name']
, user_data['phone_numb'], user_data['gender']
, similarity*100)
return text
while (len(self.get_all_user()) >= 2):
user_list = self.get_all_user()
user_data_list = list(map(self.get_userdata, user_list))
user_data_list = [[user_data['timestamp'], user_data]
for user_data in user_data_list]
user_data_list = [
user_data[1] for user_data in sorted(user_data_list)
]
print(user_data_list)
target_user = user_data_list[0]
target_vec = make_food_vector(target_user)
similarity_list = []
for user_data in user_data_list[1:]:
user_vec = make_food_vector(user_data)
similarity = RedisMatching.cosine_similarity(
target_vec, user_vec)
similarity_list.append((similarity, user_data))
max_val = max(similarity_list)
print(max_val)
text = make_message_text(target_user['user_name'], max_val[1],
max_val[0])
self.send_message(target_user['phone_numb'], text)
print(text)
text = make_message_text(max_val[1]['user_name'], target_user,
max_val[0])
self.send_message(max_val[1]['phone_numb'], text)
print(text)
# self.remove_userdata(target_user['phone_numb'])
# self.remove_userdata(max_val[1]['phone_numb'])
return True
@staticmethod
def cvt_unit_vec(vector):
scalar = math.sqrt(sum([i * i for i in vector]))
return [idx / scalar for idx in vector]
@staticmethod
def cosine_similarity(a, b):
a = RedisMatching.cvt_unit_vec(a)
b = RedisMatching.cvt_unit_vec(b)
return sum([i * j for i, j in zip(a, b)])
@staticmethod
def custom_similarity(a, b):
# a = RedisMatching.cvt_unit_vec(a)
# b = RedisMatching.cvt_unit_vec(b)
c = [i - j for i, j in zip(a, b)]
c = [i * i for i in c]
return 300 - math.sqrt(sum(c))
def delete_all_indexed_offers(client: Redis) -> None:
try:
client.delete(RedisBucket.REDIS_HASHMAP_INDEXED_OFFERS_NAME.value)
except redis.exceptions.RedisError as error:
logger.exception("[REDIS] %s", error)
def test_it_removes(self):
r = Redis(host="baz-redis")
self.assertTrue(r.delete("test"))
def _remove_token(job_name: str, ledger: Redis):
ledger.delete(f'TOKEN:{job_name}')
class SessionStore(SessionBase):
"""
Implements database session store.
"""
def __init__(self, session_key=None):
super(SessionStore, self).__init__(session_key)
self.db = Redis(
settings.RSESSION.get('HOST', 'localhost'),
settings.RSESSION.get('PORT', 6379),
settings.RSESSION.get('DB', 0),
settings.RSESSION.get('PASSWORD', ''),
)
def load(self):
session_data = self.db.get(KEY_PREFIX % self.session_key)
if session_data is None:
self.create()
return {}
return self.decode(force_unicode(session_data))
def exists(self, session_key):
if self.db.exists(KEY_PREFIX % session_key):
return True
return False
def create(self):
while True:
self._session_key = self._get_new_session_key()
try:
# Save immediately to ensure we have a unique entry in the
# database.
self.save(must_create=True)
except CreateError:
# Key wasn't unique. Try again.
continue
self.modified = True
self._session_cache = {}
return
def save(self, must_create=False):
"""
Saves the current session data to the database. If 'must_create' is
True, a database error will be raised if the saving operation doesn't
create a *new* entry (as opposed to possibly updating an existing
entry).
"""
if must_create and self.exists(self.session_key):
raise CreateError
setter_fn = self.db.setnx if must_create else self.db.set
key = KEY_PREFIX % self.session_key
result = setter_fn(key,
self.encode(self._get_session(no_load=must_create)))
if must_create and result is False:
raise CreateError
self.db.expire(key, self.get_expiry_age())
def delete(self, session_key=None):
if session_key is None:
if self._session_key is None:
return
session_key = self._session_key
self.db.delete(KEY_PREFIX % session_key)
class HotQueue(object):
"""Simple FIFO message queue stored in a Redis list. Example:
>>> from hotqueue import HotQueue
>>> queue = HotQueue("myqueue", host="localhost", port=6379, db=0)
:param name: name of the queue
:param serializer: the class or module to serialize msgs with, must have
methods or functions named ``dumps`` and ``loads``,
`pickle <http://docs.python.org/library/pickle.html>`_ is the default,
use ``None`` to store messages in plain text (suitable for strings,
integers, etc)
:param kwargs: additional kwargs to pass to :class:`Redis`, most commonly
:attr:`host`, :attr:`port`, :attr:`db`
"""
def __init__(self, name, serializer=pickle, redis_instance=None, **kwargs):
self.name = name
self.serializer = serializer
if not redis_instance:
self.__redis = Redis(**kwargs)
else:
self.__redis = redis_instance
def __len__(self):
return self.__redis.llen(self.key)
@property
def redis_instance(self):
return self.__redis
@property
def key(self):
"""Return the key name used to store this queue in Redis."""
return key_for_name(self.name)
def clear(self):
"""Clear the queue of all messages, deleting the Redis key."""
self.__redis.delete(self.key)
def consume(self, **kwargs):
"""Return a generator that yields whenever a message is waiting in the
queue. Will block otherwise. Example:
>>> for msg in queue.consume(timeout=1):
... print msg
my message
another message
:param kwargs: any arguments that :meth:`~hotqueue.HotQueue.get` can
accept (:attr:`block` will default to ``True`` if not given)
"""
kwargs.setdefault('block', True)
try:
while True:
msg = self.get(**kwargs)
if msg is None:
break
yield msg
except KeyboardInterrupt:
print
return
def get(self, block=False, timeout=None):
"""Return a message from the queue. Example:
>>> queue.get()
'my message'
>>> queue.get()
'another message'
:param block: whether or not to wait until a msg is available in
the queue before returning; ``False`` by default
:param timeout: when using :attr:`block`, if no msg is available
for :attr:`timeout` in seconds, give up and return ``None``
"""
if block:
if timeout is None:
timeout = 0
msg = self.__redis.blpop(self.key, timeout=timeout)
if msg is not None:
msg = msg[1]
else:
msg = self.__redis.lpop(self.key)
if msg is not None and self.serializer is not None:
msg = self.serializer.loads(msg)
return msg
def put(self, *msgs):
"""Put one or more messages onto the queue. Example:
>>> queue.put("my message")
>>> queue.put("another message")
To put messages onto the queue in bulk, which can be significantly
faster if you have a large number of messages:
>>> queue.put("my message", "another message", "third message")
"""
if self.serializer is not None:
msgs = map(self.serializer.dumps, msgs)
self.__redis.rpush(self.key, *msgs)
def worker(self, *args, **kwargs):
"""Decorator for using a function as a queue worker. Example:
>>> @queue.worker(timeout=1)
... def printer(msg):
... print msg
>>> printer()
my message
another message
You can also use it without passing any keyword arguments:
>>> @queue.worker
... def printer(msg):
... print msg
>>> printer()
my message
another message
:param kwargs: any arguments that :meth:`~hotqueue.HotQueue.get` can
accept (:attr:`block` will default to ``True`` if not given)
"""
def decorator(worker):
@wraps(worker)
def wrapper(*args):
for msg in self.consume(**kwargs):
worker(*args + (msg, ))
return wrapper
if args:
return decorator(*args)
return decorator
def main():
logging.getLogger().setLevel(logging.INFO)
logging.info("Starting time is %s .", datetime.now())
cmdLineParser = ArgumentParser()
cmdLineParser.add_argument("-ih",
"--ibroker_host",
action="store",
type=str,
dest="ibroker_host",
default="127.0.0.1",
help="The host of IB app to use")
cmdLineParser.add_argument("-ip",
"--ibroker_port",
action="store",
type=int,
dest="ibroker_port",
default=7497,
help="The TCP port for IB to use")
cmdLineParser.add_argument("-rh",
"--redis_host",
action="store",
type=str,
dest="redis_host",
default="127.0.0.1",
help="The host of Redis app to use")
cmdLineParser.add_argument("-rp",
"--redis_port",
action="store",
type=int,
dest="redis_port",
default=6379,
help="The TCP port for redis to use")
args = cmdLineParser.parse_args()
# create a redis connection and queue
redis_connection = Redis(host=args.redis_host, port=args.redis_port)
redis_queue = Queue(connection=redis_connection)
app = IBApp(args.ibroker_host,
args.ibroker_port,
client_id=1,
redis_queue=redis_queue)
time.sleep(CONNECT_SERVER_SLEEP_TIME
) # Sleep interval to allow time for connection to server
try:
while True:
try:
# get a new tasks for tick price
new_tasks_tick_price = redis_connection.lrange(
'new_tasks_tick_price', 0, -1)
redis_connection.delete('new_tasks_tick_price')
if new_tasks_tick_price:
for task in new_tasks_tick_price:
task = json.loads(task)
app.register_tick_price_alert(task)
# get a new tasks for history data
new_tasks_history_data = redis_connection.lrange(
'new_tasks_historical_data', 0, -1)
redis_connection.delete('new_tasks_historical_data')
if new_tasks_history_data:
for task in new_tasks_history_data:
task = json.loads(task)
app.register_historical_data_alert(task)
# sleep for new task
time.sleep(REDIS_GET_TASKS_DELAY)
except KeyboardInterrupt:
logging.warning('Closing application')
break
except TypeError:
logging.error('Wrong data from redis')
continue
finally:
redis_connection.close()
app.disconnect()
from redis import Redis
redis_conn = Redis()
SHEEP_SET_KEY = "sheep_seen"
SHEEP_HLL_KEY = "sheep_seen_hll"
redis_conn.delete(SHEEP_SET_KEY)
redis_conn.delete(SHEEP_HLL_KEY)
for m in range(0, 100000):
sheep_id = str(m)
pipeline = redis_conn.pipeline(transaction=False)
pipeline.sadd(SHEEP_SET_KEY, sheep_id)
pipeline.pfadd(SHEEP_HLL_KEY, sheep_id)
pipeline.execute()
print(
f"There are {redis_conn.scard(SHEEP_SET_KEY)} sheep (set: {redis_conn.memory_usage(SHEEP_SET_KEY)})."
)
print(
f"There are {redis_conn.pfcount(SHEEP_HLL_KEY)} sheep (hyperloglog: {redis_conn.memory_usage(SHEEP_HLL_KEY)})."
)
from redis import Redis redis_connection = Redis(decode_responses=True) key = "first_name" value = "Maksymilian" redis_connection.set(key, value) print(redis_connection.get(key)) redis_connection.delete(key)
import time
from redis import Redis
"""
Read the BlockedIPs file instead of using TZU real data. Speed is manageable and data is replicatable.
Make a Redis hash with key ip and value is timestamp
save HGETALL of hash to get a dict of the keys and values Evens would be keys (IP) Odd values (times)
iterate over odds in list and if the time is a minute older than the recent attack_time HDEL the list item before it
"""
r = Redis()
with open('blockedIPs.txt', 'r') as f:
r.delete('iphash')
for line in f:
attack_date, attack_time, attack_ip, attack_protocol = line.split()
r.hset('iphash', attack_ip, attack_time)
ip_dict = r.hgetall('iphash')
for ip in ip_dict:
iterated_time = int(ip_dict[ip].decode()[6:])
time_to_add = int(attack_time[6:])
print(iterated_time, time_to_add)
if iterated_time - time_to_add < 0:
r.hdel('iphash', ip)
print('deleted', ip)
time.sleep(0.5)
class ETLRedis:
def __init__(self):
cnf = ETLSettings()
self.prefix = cnf.redis_prefix + ':'
self.queuename = self.prefix + 'filmids'
self.workqueuename = self.queuename + ':work'
self.redis = Redis(
host=cnf.redis_host,
port=cnf.redis_port,
password=cnf.redis_password,
decode_responses=True,
)
@backoff(start_sleep_time=0.001, jitter=False)
def set_status(self, service: str, status: str) -> str:
key = self.prefix + 'status:' + service
self.redis.set(key, status)
return self.redis.get(key)
@backoff(start_sleep_time=0.001, jitter=False)
def get_status(self, service: str) -> str:
key = self.prefix + 'status:' + service
return self.redis.get(key)
@backoff(start_sleep_time=0.001, jitter=False)
def set_lasttime(self, table: str, lasttime: datetime) -> datetime:
key = self.prefix + table + ':lasttime'
self.redis.set(key, lasttime.isoformat())
time = self.redis.get(key)
return datetime.fromisoformat(time)
@backoff(start_sleep_time=0.001, jitter=False)
def get_lasttime(self, table: str) -> datetime:
key = self.prefix + table + ':lasttime'
time = self.redis.get(key)
return time
@backoff(start_sleep_time=0.001, jitter=False)
def push_filmid(self, id: str) -> str:
"""
Attomic unique push film id in Redis queue
"""
script = 'redis.call("LREM",KEYS[1], "0", ARGV[1]);'
script += 'return redis.call("LPUSH", KEYS[1], ARGV[1])'
self.redis.eval(script, 1, self.queuename, id)
@backoff(start_sleep_time=0.001, jitter=False)
def push_tableid(self, id: str, table: str) -> None:
"""
Attomic push unique id from table to Redis queue
"""
queuename = self.prefix + table + ':ids'
pipe = self.redis.pipeline(transaction=True)
pipe.lrem(queuename, 0, id)
pipe.lpush(queuename, id)
pipe.execute()
@backoff(start_sleep_time=0.001, jitter=False)
def get_filmid_for_work(self, size) -> list:
"""
Move film id from queue to workqueue to load or update it in elastic
"""
size -= self.redis.llen(self.workqueuename)
while size > 0:
self.redis.rpoplpush(self.queuename, self.workqueuename)
size -= 1
length = self.redis.llen(self.workqueuename)
workid = self.redis.lrange(self.workqueuename, 0, length)
return workid
@backoff(start_sleep_time=0.001, jitter=False)
def get_tableid_for_work(self, size, table) -> list:
"""
Move table id from queue to workqueue to load or update it in elastic
"""
queuename = self.prefix + table + ':ids'
workqueuename = queuename + ':work'
size -= self.redis.llen(workqueuename)
while size > 0:
self.redis.rpoplpush(queuename, workqueuename)
size -= 1
length = self.redis.llen(workqueuename)
workid = self.redis.lrange(workqueuename, 0, length)
return workid
@backoff(start_sleep_time=0.001, jitter=False)
def del_work_queuename(self, table=''):
# Добавлено до момента, перехода на универсальные функции push/get tableid
workqueuename = self.workqueuename if table == '' else self.prefix + table + ':ids:work'
self.redis.delete(workqueuename)
tmp_rd.set('allow_site', ','.join(allow_site))
tmp_rd.set('ARIA2_HOST', ARIA2_HOST)
tmp_rd.set('ARIA2_PORT', ARIA2_PORT)
tmp_rd.set('ARIA2_SECRET', ARIA2_SECRET)
tmp_rd.set('ARIA2_SCHEME', ARIA2_SCHEME)
tmp_rd.set('password', password)
tmp_rd.set('verify_url', verify_url)
tmp_rd.set('balance', balance)
tmp_rd.set('admin_prefix', admin_prefix)
tmp_rd.set('thread_num', thread_num)
config_path = os.path.join(config_dir, 'self_config.py')
with open(config_path, 'r') as f:
text = f.read()
tmp_rd.set('users', re.findall('od_users=([\w\W]*})', text)[0])
key = 'themelist'
tmp_rd.delete(key)
######################函数
app.jinja_env.globals['version'] = config.version
app.jinja_env.globals['FetchData'] = FetchData
app.jinja_env.globals['path_list'] = path_list
app.jinja_env.globals['CanEdit'] = CanEdit
app.jinja_env.globals['quote'] = urllib.quote
app.jinja_env.globals['len'] = len
app.jinja_env.globals['enumerate'] = enumerate
app.jinja_env.globals['breadCrumb'] = breadCrumb
app.jinja_env.globals['list'] = list
app.jinja_env.globals['os'] = os
app.jinja_env.globals['re'] = re
app.jinja_env.globals['file_ico'] = file_ico
app.jinja_env.globals['CutText'] = CutText
app.jinja_env.globals['GetConfig'] = GetConfig
class PoolWalletManager(object):
_key = "pool_wallet:address:{}"
def __init__(self):
super().__init__()
self.database = load_plugin("chain.plugins.database")
self.redis = Redis(
host=os.environ.get("REDIS_HOST", "localhost"),
port=os.environ.get("REDIS_PORT", 6379),
db=os.environ.get("REDIS_DB", 0),
)
def key_for_address(self, address):
return self._key.format(address)
def clear_wallets(self):
"""Clear all pool wallets from redis
"""
keys = self.redis.keys(self.key_for_address("*"))
if keys:
self.redis.delete(*keys)
def save_wallet(self, wallet):
self.redis.set(self.key_for_address(wallet.address), wallet.to_json())
def find_by_address(self, address):
"""Finds a wallet by a given address. If wallet is not found, it is copied from
blockchain wallet manager.
:param string address: wallet address
:returns Wallet: wallet object
"""
key = self.key_for_address(address)
if not self.redis.exists(key):
self.save_wallet(self.database.wallets.find_by_address(address))
wallet = json.loads(self.redis.get(key))
return Wallet(wallet)
def find_by_public_key(self, public_key):
"""Finds a wallet by public key.
It calculates the address from public key and uses the `find_by_address`
function, which if wallet is not found for this address, it copies it from
blockchain wallet manager.
:param string public_key: wallet's public key
:returns Wallet: wallet object
"""
address = address_from_public_key(public_key)
return self.find_by_address(address)
def exists_by_address(self, address):
key = self.key_for_address(address)
return self.redis.exists(key)
def exists_by_public_key(self, public_key):
address = address_from_public_key(public_key)
return self.exists_by_address(address)
def delete_by_public_key(self, public_key):
"""Deletes a wallet by public key
:param string public_key: wallets' public key
"""
address = address_from_public_key(public_key)
key = self.key_for_address(address)
self.redis.delete(key)
def can_apply_to_sender(self, transaction, block_height):
"""Checks if transaction can be applied to senders wallet
:param Transaction transaction: Crypto transaction object
:returns bool: True if can be applied, False otherwise
"""
# If sender is not yet known or has no balance, they can't apply
# The check is performed against the database wallet manager and not pool
# wallet manager
if self.database.wallets.exists(transaction.sender_public_key):
db_wallet = self.database.wallets.find_by_public_key(
transaction.sender_public_key)
if db_wallet.balance == 0:
logger.warning(
"Wallet is not allowed to send as it doesn't have any funds"
)
return False
if is_transaction_exception(transaction.id):
logger.warning(
("Transaction forcibly applied because it has been added as an "
"exception"),
transaction.id,
)
return True
sender = self.find_by_public_key(transaction.sender_public_key)
return transaction.can_be_applied_to_wallet(sender,
self.database.wallets,
block_height)
class RedisClient(object):
"""
Redis client
Redis中代理存放的结构为hash：
key为ip:port, value为代理属性的字典;
"""
def __init__(self, **kwargs):
"""
init
:param host: host
:param port: port
:param password: password
:param db: db
:return:
"""
self.name = ""
kwargs.pop("username")
self.__conn = Redis(connection_pool=BlockingConnectionPool(
decode_responses=True, **kwargs))
def get(self, proxy_str=None):
"""
返回一个代理
:return:
"""
proxies = self.__conn.hkeys(self.name)
if not proxies:
return None
if proxy_str is None:
proxy = choice(proxies)
else:
proxy = proxy_str
return self.__conn.hget(self.name, proxy)
def put(self, proxy_obj):
"""
将代理放入hash, 使用changeTable指定hash name
:param proxy_obj: Proxy obj
:return:
"""
data = self.__conn.hset(self.name, proxy_obj.proxy, proxy_obj.to_json)
return data
def pop(self):
"""
弹出一个代理
:return: dict {proxy: value}
"""
proxies = self.__conn.hkeys(self.name)
for proxy in proxies:
proxy_info = self.__conn.hget(self.name, proxy)
self.__conn.hdel(self.name, proxy)
return proxy_info
else:
return False
def delete(self, proxy_str):
"""
移除指定代理, 使用changeTable指定hash name
:param proxy_str: proxy str
:return:
"""
return self.__conn.hdel(self.name, proxy_str)
def exists(self, proxy_str):
"""
判断指定代理是否存在, 使用changeTable指定hash name
:param proxy_str: proxy str
:return:
"""
return self.__conn.hexists(self.name, proxy_str)
def update(self, proxy_obj):
"""
更新 proxy 属性
:param proxy_obj:
:return:
"""
return self.__conn.hset(self.name, proxy_obj.proxy, proxy_obj.to_json)
def getAll(self):
"""
字典形式返回所有代理, 使用changeTable指定hash name
:return:
"""
item_dict = self.__conn.hgetall(self.name)
return item_dict
def clear(self):
"""
清空所有代理, 使用changeTable指定hash name
:return:
"""
return self.__conn.delete(self.name)
def getCount(self):
"""
返回代理数量
:return:
"""
return self.__conn.hlen(self.name)
def changeTable(self, name):
"""
切换操作对象
:param name:
:return:
"""
self.name = name
task = pickle.loads(r.blpop("parse_tasks")[1])
try:
parsed = parse_messages(task["data"])
filtered = list(bf.filter_messages(parsed))
for message in filtered:
message["user_id"] = task["user_id"]
message["date"] = message["time"].strftime("%Y-%m-%d")
message["time"] = message["time"].strftime("%Y-%m-%d %H:%M:%S")
if not db.messages.find_one({
"$and": [{
"user_id": message["user_id"]
}, {
"qq": message["qq"]
}, {
"time": message["time"]
}]
}):
db.messages.insert_one(message)
if message["author"] == message["qq"]:
r.rpush("nick_queries", message["qq"])
else:
logger.debug("Skipped message from QQ:{}".format(
message["qq"]))
r.delete(f"user.{task['user_id']}.dates")
logger.info(
f"Processed chat log from {task['user_id']}, file size {len(parsed)}, {len(filtered)} messages remained."
)
except Exception:
logger.error("Exception at {}".format(time()))
logger.error(format_exc())
def flush_redis(self):
redis = Redis(
host=settings.REDIS_HOST, port=settings.REDIS_PORT, db=settings.REDIS_DB
)
redis.delete("links")
self.client = Client()
class HotResque(object):
"""Simple FIFO message queue stored in a Redis list. Example:
>>> from HotResque import HotResque
>>> queue = HotResque("myqueue", host="localhost", port=6379, db=0)
:param name: name of the queue
:param serializer: the class or module to serialize msgs with, must have
methods or functions named ``dumps`` and ``loads``,
`pickle <http://docs.python.org/library/pickle.html>`_ is the default,
use ``None`` to store messages in plain text (suitable for strings,
integers, etc)
:param kwargs: additional kwargs to pass to :class:`Redis`, most commonly
:attr:`host`, :attr:`port`, :attr:`db`
==============================================
Para pegar uma migracao que está na fila
>>> from hotresque import HotResque
>>> a = HotResque("queue:migrations")
>>> a.name_queue = "resque"
>>> c = a.get()
o GET do hotresque retorna um dicionario contendo todos os dados.
conteudo de "c"
{
u'port_dest': 443,
u'host_dest': u'destino.teste.com',
u'username_dest': None,
u'password_dest': None,
u'migration_id': 9,
u'port_orig': 443,
u'password_orig': u'teste123',
u'host_orig': u'origem.teste.com',
u'username_orig': u'*****@*****.**'
}
>>> c['port_dest']
443
>>> c['username_dest']
Para setar o status da migracao:
>>> import json
>>> from hotresque import HotResque
>>> a = HotResque("queue:migrations_report")
>>> a.name_queue = "resque"
>>> resp = {"class":"MigrationReport", "args" : [json.dumps({"migration_id" : 5, "state":"ok|error" , "message":"mensagem..."}) ]}
>>> a.put(resp)
"""
def __init__(self, name, serializer=json, **kwargs):
self.name = name
self.serializer = serializer
self.__redis = Redis(**kwargs)
self.name_queue = "hotresque"
def __len__(self):
return self.__redis.llen(self.key)
def name_queue():
doc = "The name_queue property."
def fget(self):
return self._name_queue
def fset(self, value):
self._name_queue = value
def fdel(self):
del self._name_queue
return locals()
name_queue = property(**name_queue())
@property
def key(self):
"""Return the key name used to store this queue in Redis."""
return '%s:%s' % (self.name_queue, self.name)
def clear(self):
"""Clear the queue of all messages, deleting the Redis key."""
self.__redis.delete(self.key)
def consume(self, **kwargs):
"""Return a generator that yields whenever a message is waiting in the
queue. Will block otherwise. Example:
>>> for msg in queue.consume(timeout=1):
... print msg
my message
another message
:param kwargs: any arguments that :meth:`~HotResque.HotResque.get` can
accept (:attr:`block` will default to ``True`` if not given)
"""
kwargs.setdefault('block', True)
try:
while True:
msg = self.get(**kwargs)
if msg is None:
break
yield msg
except KeyboardInterrupt:
print
return
def get(self, block=False, timeout=None):
"""Return a message from the queue. Example:
>>> queue.get()
'my message'
>>> queue.get()
'another message'
:param block: whether or not to wait until a msg is available in
the queue before returning; ``False`` by default
:param timeout: when using :attr:`block`, if no msg is available
for :attr:`timeout` in seconds, give up and return ``None``
"""
if block:
if timeout is None:
timeout = 0
msg = self.__redis.blpop(self.key, timeout=timeout)
if msg is not None:
msg = msg[1]
else:
msg = self.__redis.lpop(self.key)
if msg is not None and self.serializer is not None:
msg = self.serializer.loads(msg)
msg = json.loads(msg['args'][0])
return msg
def put(self, *msgs):
"""Put one or more messages onto the queue. Example:
>>> queue.put("my message")
>>> queue.put("another message")
To put messages onto the queue in bulk, which can be significantly
faster if you have a large number of messages:
>>> queue.put("my message", "another message", "third message")
"""
if self.serializer is not None:
msgs = map(self.serializer.dumps, msgs)
self.__redis.rpush(self.key, *msgs)
def worker(self, *args, **kwargs):
"""Decorator for using a function as a queue worker. Example:
>>> @queue.worker(timeout=1)
... def printer(msg):
... print msg
>>> printer()
my message
another message
You can also use it without passing any keyword arguments:
>>> @queue.worker
... def printer(msg):
... print msg
>>> printer()
my message
another message
:param kwargs: any arguments that :meth:`~HotResque.HotResque.get` can
accept (:attr:`block` will default to ``True`` if not given)
"""
def decorator(worker):
@wraps(worker)
def wrapper(*args):
for msg in self.consume(**kwargs):
worker(*args + (msg, ))
return wrapper
if args:
return decorator(*args)
return decorator
class Rediz:
cache: ClearableCache # type hint for IDE's pleasure only
def __init__(self, config: Config = config):
# globals
self.server = config.redis_server
self.port = config.redis_port
self.key = config.redis_key
self.ttl = config.redis_task_ttl
self.timeout = config.redis_task_timeout
self.task_result_ttl = config.redis_task_result_ttl
self.routes = routes.routes
self.core_q = config.redis_core_q
# config check if TLS required
if config.redis_tls_enabled:
self.base_connection = Redis(
host=self.server,
port=self.port,
password=self.key,
ssl=True,
ssl_cert_reqs='required',
ssl_keyfile=config.redis_tls_key_file,
ssl_certfile=config.redis_tls_cert_file,
ssl_ca_certs=config.redis_tls_ca_cert_file,
socket_connect_timeout=config.redis_socket_connect_timeout,
socket_keepalive=config.redis_socket_keepalive
)
else:
self.base_connection = Redis(
host=self.server,
port=self.port,
password=self.key,
socket_connect_timeout=config.redis_socket_connect_timeout,
socket_keepalive=config.redis_socket_keepalive
)
# self.base_q = Queue(self.core_q, connection=self.base_connection)
self.networked_queuedb = config.redis_queue_store
self.redis_pinned_store = config.redis_pinned_store
self.local_queuedb = {}
self.local_queuedb[config.redis_fifo_q] = {}
self.local_queuedb[config.redis_fifo_q]["queue"] = Queue(config.redis_fifo_q, connection=self.base_connection)
# init networked db for processes queues
net_db_exists = self.base_connection.get(self.networked_queuedb)
if not net_db_exists:
null_network_db = json.dumps({"netpalm-db": "queue-val"})
self.base_connection.set(self.networked_queuedb, null_network_db)
# init pinned db
pinned_db_exists = self.base_connection.get(self.redis_pinned_store)
if not pinned_db_exists:
null_pinned_db = json.dumps([])
self.base_connection.set(self.redis_pinned_store, null_pinned_db)
self.cache_enabled = config.redis_cache_enabled
self.cache_timeout = config.redis_cache_default_timeout
# we MUST have a prefix, else ".clear()" will drop ALL keys in redis (including those used for the queues).
self.key_prefix = str(config.redis_cache_key_prefix).strip()
if not self.key_prefix:
self.key_prefix = "NOPREFIX"
if self.cache_enabled:
log.info(f"Enabling cache!")
self.cache = ClearableCache(self.base_connection, default_timeout=self.cache_timeout,
key_prefix=self.key_prefix)
else:
log.info(f"Disabling cache!")
# noinspection PyTypeChecker
self.cache = DisabledCache()
self.extn_update_log = ExtnUpdateLog(self.base_connection, config.redis_update_log)
def append_network_queue_db(self, qn):
"""appends to the networked queue db"""
result = self.base_connection.get(self.networked_queuedb)
tmpdb = json.loads(result)
tmpdb[qn] = True
jsresult = json.dumps(tmpdb)
self.base_connection.set(self.networked_queuedb, jsresult)
def append_local_queue_db(self, qn):
"""appends to the local queue db"""
self.local_queuedb[qn] = {}
self.local_queuedb[qn]["queue"] = Queue(qn, connection=self.base_connection)
return self.local_queuedb[qn]["queue"]
def exists_in_local_queue_db(self, qn):
q_exists_in_local_db = self.local_queuedb.get(qn, False)
return q_exists_in_local_db
def worker_is_alive(self, q):
"""checks if a worker exists on a given queue"""
try:
queue = Queue(q, connection=self.base_connection)
workers = Worker.all(queue=queue)
if len(workers) >= 1:
return True
else:
log.info(f"worker required for {q}")
return False
except Exception as e:
log.error(f"worker_is_alive: {e}")
return False
def getqueue(self, host):
"""
checks whether a queue exists and worker exists
accross the controller, redis and worker node.
creates a local queue if required
"""
# checks a centralised db / queue exists and creates a empty db if one does not exist
try:
# check the redis db store for a queue
result = self.base_connection.get(self.networked_queuedb)
jsresult = json.loads(result)
res = jsresult.get(host, False)
# if exists on the networked db, check whether you have a local connection
if res:
if not self.worker_is_alive(host):
return False
# create a local connection if required
if not self.exists_in_local_queue_db(qn=host):
self.append_local_queue_db(qn=host)
return True
else:
return False
except Exception as e:
return e
def get_redis_meta_template(self):
"""template for redis meta data"""
meta_template = {
"errors": [],
"enqueued_elapsed_seconds": None,
"started_elapsed_seconds": None,
"total_elapsed_seconds": None,
"result": ""
}
return meta_template
def create_queue_worker(self, pinned_container_queue, pinned_worker_qname):
"""
creates a local queue on the worker and executes a rpc to create a
pinned worker on a remote container
"""
from netpalm.netpalm_pinned_worker import pinned_worker_constructor
try:
log.info(f"create_queue_worker: creating queue and worker {pinned_worker_qname}")
meta_template = self.get_redis_meta_template()
self.append_network_queue_db(qn=pinned_worker_qname)
self.local_queuedb[pinned_container_queue]["queue"].enqueue_call(func=pinned_worker_constructor, args=(pinned_worker_qname,), meta=meta_template,
ttl=self.ttl, result_ttl=self.task_result_ttl)
r = self.append_local_queue_db(qn=pinned_worker_qname)
return r
except Exception as e:
return e
def reoute_and_create_q_worker(self, hst):
"""routes a process to the correct container."""
qexists = self.getqueue(hst)
if not qexists:
# check for process availability:
pinned_hosts = self.fetch_pinned_store()
capacity = False
# find first available container with process capacity
for host in pinned_hosts:
if host["count"] < host["limit"]:
# create in the local db if required
if not self.exists_in_local_queue_db(qn=host["pinned_listen_queue"]):
self.append_local_queue_db(qn=host["pinned_listen_queue"])
self.create_queue_worker(
pinned_container_queue=host["pinned_listen_queue"],
pinned_worker_qname=hst
)
capacity = True
break
# throw exception if no capcity found
if not capacity:
err = """Not enough pinned worker process capacity: kill pinned
processes or spin up more pinned workers!"""
log.error(err)
raise Exception(f"{err}")
def render_task_response(self, task_job):
"""formats and returns the task rpc jobs result"""
created_at = str(task_job.created_at)
enqueued_at = str(task_job.enqueued_at)
started_at = str(task_job.started_at)
ended_at = str(task_job.ended_at)
try:
current_time = datetime.datetime.utcnow()
created_parsed_time = datetime.datetime.strptime(created_at, "%Y-%m-%d %H:%M:%S.%f")
# if enqueued but not started calculate time
if enqueued_at != "None" and enqueued_at and started_at == "None":
parsed_time = datetime.datetime.strptime(enqueued_at, "%Y-%m-%d %H:%M:%S.%f")
task_job.meta["enqueued_elapsed_seconds"] = (current_time - parsed_time).seconds
task_job.save()
# if created but not finished calculate time
if ended_at != "None" and ended_at:
parsed_time = datetime.datetime.strptime(ended_at, "%Y-%m-%d %H:%M:%S.%f")
task_job.meta["total_elapsed_seconds"] = (parsed_time - created_parsed_time).seconds
task_job.save()
elif ended_at == "None":
task_job.meta["total_elapsed_seconds"] = (current_time - created_parsed_time).seconds
task_job.save()
# clean up vars for response
created_at = None if created_at == "None" else created_at
enqueued_at = None if enqueued_at == "None" else enqueued_at
started_at = None if started_at == "None" else started_at
ended_at = None if ended_at == "None" else ended_at
except Exception as e:
log.error(f"render_task_response : {str(e)}")
pass
resultdata = None
resultdata = Response(status="success", data={
"task_id": task_job.get_id(),
"created_on": created_at,
"task_queue": task_job.description,
"task_meta": {
"enqueued_at": enqueued_at,
"started_at": started_at,
"ended_at": ended_at,
"enqueued_elapsed_seconds": task_job.meta["enqueued_elapsed_seconds"],
"total_elapsed_seconds": task_job.meta["total_elapsed_seconds"]
},
"task_status": task_job.get_status(),
"task_result": task_job.result,
"task_errors": task_job.meta["errors"]
}).dict()
return resultdata
def sendtask(self, q, exe, **kwargs):
meta_template = self.get_redis_meta_template()
task = self.local_queuedb[q]["queue"].enqueue_call(func=self.routes[exe], description=q, ttl=self.ttl,
result_ttl=self.task_result_ttl, kwargs=kwargs["kwargs"],
meta=meta_template, timeout=self.timeout)
resultdata = self.render_task_response(task)
return resultdata
def execute_task(self, method, **kwargs):
"""main entry point for rpc tasks"""
kw = kwargs.get("kwargs", False)
connectionargs = kw.get("connection_args", False)
host = False
if connectionargs:
host = kw["connection_args"].get("host", False)
queue_strategy = kw.get("queue_strategy", False)
if queue_strategy == "pinned":
self.reoute_and_create_q_worker(hst=host)
r = self.sendtask(q=host, exe=method, kwargs=kw)
else:
r = self.sendtask(q=config.redis_fifo_q, exe=method, kwargs=kw)
return r
def execute_service_task(self, metho, **kwargs):
"""service wrapper for execute task method"""
log.info(kwargs)
kw = kwargs.get("kwargs")
resul = self.execute_task(method=metho, kwargs=kw)
serv = self.create_service_instance(raw_data=kw)
if serv:
resul["data"]["service_id"] = serv
return resul
def fetchsubtask(self, parent_task_object):
"""fetches nested subtasks for service driven tasks"""
try:
status = parent_task_object["data"]["task_status"]
log.info(f'fetching subtask: {parent_task_object["data"]["task_id"]}')
task_errors = []
for j in range(len(parent_task_object["data"]["task_result"])):
tempres = Job.fetch(parent_task_object["data"]["task_result"][j]["data"]["data"]["task_id"], connection=self.base_connection)
temprespobj = self.render_task_response(tempres)
if status != "started" or status != "queued":
if temprespobj["data"]["task_status"] == "started":
parent_task_object["data"]["task_status"] = temprespobj["data"]["task_status"]
if temprespobj["data"]["task_status"] == "failed":
task_errors.append({
parent_task_object["data"]["task_result"][j]["host"]: {
"task_id": parent_task_object["data"]["task_result"][j]["data"]["data"]["task_id"],
"task_errors": temprespobj["data"]["task_errors"]
}
})
parent_task_object["data"]["task_result"][j]["data"].update(temprespobj)
if len(task_errors) >= 1:
parent_task_object["data"]["task_errors"] = task_errors
return parent_task_object
except Exception as e:
return e
def fetchtask(self, task_id):
"""gets a job result and renders it"""
log.info(f"fetching task: {task_id}")
try:
task = Job.fetch(task_id, connection=self.base_connection)
response_object = self.render_task_response(task)
if "task_id" in str(response_object["data"]["task_result"]) and "operation" in str(response_object["data"]["task_result"]):
response_object = self.fetchsubtask(parent_task_object=response_object)
return response_object
except Exception as e:
return e
def getjoblist(self, q):
"""provides a list of all jobs in the queue"""
try:
self.getqueue(q)
# if single host lookup
if q:
if self.exists_in_local_queue_db(qn=q):
t = self.local_queuedb[q]["queue"].get_job_ids()
if t:
response_object = {
"status": "success",
"data": {
"task_id": t
}
}
return response_object
else:
return False
else:
return False
# multi host lookup
elif not q:
response_object = {
"status": "success",
"data": {
"task_id": []
}
}
for i in self.local_queuedb:
response_object["data"]["task_id"].append(self.local_queuedb[i]["queue"].get_job_ids())
return response_object
except Exception as e:
return e
def getjobliststatus(self, q):
"""provides a breakdown of all jobs in the queue"""
log.info(f"getting jobs and status: {q}")
try:
if q:
self.getqueue(q)
task = self.local_queuedb[q]["queue"].get_job_ids()
response_object = {
"status": "success",
"data": {
"task_id": []
}
}
# get startedjobs
startedjobs = self.getstartedjobs(self.local_queuedb[q]["queue"])
for job in startedjobs:
task.append(job)
# get finishedjobs
finishedjobs = self.getfinishedjobs(self.local_queuedb[q]["queue"])
for job in finishedjobs:
task.append(job)
# get failedjobs
failedjobs = self.getfailedjobs(self.local_queuedb[q]["queue"])
for job in failedjobs:
task.append(job)
if task:
for job in task:
try:
jobstatus = Job.fetch(job, connection=self.base_connection)
jobdata = self.render_task_response(jobstatus)
response_object["data"]["task_id"].append(jobdata)
except Exception as e:
return e
pass
return response_object
except Exception as e:
return e
def getstartedjobs(self, q):
"""returns list of started redis jobs"""
log.info(f"getting started jobs: {q}")
try:
registry = StartedJobRegistry(q, connection=self.base_connection)
response_object = registry.get_job_ids()
return response_object
except Exception as e:
return e
def getfinishedjobs(self, q):
"""returns list of finished redis jobs"""
log.info(f"getting finished jobs: {q}")
try:
registry = FinishedJobRegistry(q, connection=self.base_connection)
response_object = registry.get_job_ids()
return response_object
except Exception as e:
return e
def getfailedjobs(self, q):
"""returns list of failed redis jobs"""
log.info(f"getting failed jobs: {q}")
try:
registry = FailedJobRegistry(q, connection=self.base_connection)
response_object = registry.get_job_ids()
return response_object
except Exception as e:
return e
def send_broadcast(self, msg: str):
"""publishes a message to all workers"""
log.info(f"sending broadcast: {msg}")
try:
self.base_connection.publish(config.redis_broadcast_q, msg)
return {
"result": "Message Sent"
}
except Exception as e:
return e
def clear_cache_for_host(self, cache_key: str):
"""poisions a cache for a specific host"""
if not cache_key.count(":") >= 2:
log.error(f"{cache_key=} doesn't seem to be a valid cache key!")
host_port = cache_key.split(":")[:2] # first 2 segments
modified_cache_key = ":".join(host_port)
log.info(f"deleting {modified_cache_key=}")
return self.cache.clear_keys(modified_cache_key)
def get_workers(self):
"""returns stats about all running rq workers"""
try:
workers = Worker.all(connection=self.base_connection)
result = []
for w in workers:
w_bd = str(w.birth_date)
w_lhb = str(w.last_heartbeat)
birth_d = datetime.datetime.strptime(w_bd, "%Y-%m-%d %H:%M:%S.%f")
last_hb = datetime.datetime.strptime(w_lhb, "%Y-%m-%d %H:%M:%S.%f")
result.append(WorkerResponse(
hostname=w.hostname,
pid=w.pid,
name=w.name,
last_heartbeat=last_hb,
birth_date=birth_d,
successful_job_count=w.successful_job_count,
failed_job_count=w.failed_job_count,
total_working_time=w.total_working_time
).dict())
return result
except Exception as e:
log.error(f"get_workers: {e}")
return e
def kill_worker(self, worker_name=False):
"""kills a worker by its name and updates the pinned worker db"""
running_workers = self.get_workers()
killed = False
for w in running_workers:
if w["name"] == worker_name:
killed = True
kill_message = {
"type": "kill_worker_pid",
"kwargs": {
"hostname": w["hostname"],
"pid": w["pid"]
}
}
self.send_broadcast(json.dumps(kill_message))
# update pinned db
r = self.base_connection.get(self.redis_pinned_store)
rjson = json.loads(r)
for container in rjson:
if container["hostname"] == w["hostname"]:
container["count"] -= 1
self.base_connection.set(
self.redis_pinned_store,
json.dumps(rjson)
)
if not killed:
raise Exception(f"worker {worker_name} not found")
def create_service_instance(self, raw_data):
"""creates a service id and stores it in the DB with the service
payload"""
u_uid = uuid.uuid4()
sid = f"{1}_{u_uid}_service_instance"
exists = self.base_connection.get(sid)
if not exists:
raw_json = json.dumps(raw_data)
self.base_connection.set(sid, raw_json)
return f"{u_uid}"
else:
return False
def fetch_service_instance(self, sid):
"""returns ALL data from the latest copy of the latest service"""
sid_parsed = f"1_{sid}_service_instance"
exists = self.base_connection.get(sid_parsed)
if not exists:
return False
else:
return exists
def fetch_service_instance_args(self, sid):
"""returns the args ONLY from the latest copy of the latest service"""
service_inst_result = self.fetch_service_instance(sid)
if service_inst_result:
# scrub credentials
service_inst_json = json.loads(service_inst_result)["args"]
json_scrub_dict = ["$.username", "$.password", "$.key"]
for scrub_match in json_scrub_dict:
jsonpath_expr = parse(scrub_match)
jsonpath_expr.find(service_inst_json)
jsonpath_expr.update(service_inst_json, "*******")
return service_inst_json
else:
return False
def delete_service_instance(self, sid):
"""gets the service instance and deletes it from the db and network"""
sid_parsed = f"1_{sid}_service_instance"
res = json.loads(self.fetch_service_instance(sid))
res["operation"] = "delete"
result = self.execute_task(method="render_service", kwargs=res)
self.base_connection.delete(sid_parsed)
return result
def redeploy_service_instance(self, sid):
"""redeploys the service instance to the network"""
sid_parsed = f"1_{sid}_service_instance"
res = json.loads(self.fetch_service_instance(sid))
res["operation"] = "create"
result = self.execute_task(method="render_service", kwargs=res)
return result
def retrieve_service_instance(self, sid):
"""validates the service instances state against the network"""
sid_parsed = f"1_{sid}_service_instance"
res = json.loads(self.fetch_service_instance(sid))
res["operation"] = "retrieve"
result = self.execute_task(method="render_service", kwargs=res)
return result
def validate_service_instance(self, sid):
"""validates the service instances state against the network"""
sid_parsed = f"1_{sid}_service_instance"
res = json.loads(self.fetch_service_instance(sid))
res["operation"] = "validate"
result = self.execute_task(method="render_service", kwargs=res)
return result
def get_service_instances(self):
"""retrieves all service instances in the redis store"""
result = []
for sid in self.base_connection.scan_iter("*_service_instance"):
sid_str = sid.decode("utf-8")
parsed_sid = sid_str.replace('1_', '').replace('_service_instance', '')
sid_data = json.loads(self.fetch_service_instance(parsed_sid))
if sid_data:
appendres = {
"service_model": sid_data["service_model"],
"service_id": parsed_sid
}
result.append(appendres)
return result
def fetch_pinned_store(self):
"""returns ALL data from the pinned store"""
exists = self.base_connection.get(self.redis_pinned_store)
result = json.loads(exists)
return result
def purge_container_from_pinned_store(self, name):
"""force purge a specific container from the pinned store"""
r = self.base_connection.get(config.redis_pinned_store)
rjson = json.loads(r)
idex = 0
for container in rjson:
if container["hostname"] == name:
rjson.pop(idex)
self.base_connection.set(
config.redis_pinned_store,
json.dumps(rjson)
)
break
idex += 1
def deregister_worker(self, container):
"""finds and deregisters an rq worker"""
# purge all workers still running on this container
workers = Worker.all(connection=self.base_connection)
for worker in workers:
if worker.hostname == f"{container}":
worker.register_death()
class RedisPool(object):
def __init__(self, host='localhost', port=6379, password=None, name=None):
if name is None:
name = uuid.uuid4()
self.name = name
self.redis = Redis(host=host, port=port, password=password)
def add_job(self, job_name):
assert self.redis.hget('pool_%s_jobs' % (self.name, ),
job_name) is None, "Job already exists"
self.redis.hset('pool_%s_jobs' % (self.name, ), job_name, 'exists')
def del_job(self, job_name):
self.redis.hdel('pool_%s_jobs' % (self.name, ), job_name)
def add_worker(self, worker_name):
assert self.redis.hget('pool_%s_workers' % (self.name, ),
worker_name) is None, "Worker already exists"
self.redis.hset('pool_%s_workers' % (self.name, ), worker_name,
'exists')
def del_worker(self, worker_name):
self.redis.hdel('pool_%s_workers' % (self.name, ), worker_name)
def clear(self):
self.redis.delete('pool_%s_queue' % (self.name, ))
self.redis.delete('pool_%s_workers' % (self.name, ))
self.redis.delete('pool_%s_jobs' % (self.name, ))
def push_job(self, job_name, side='right'):
if side is 'right':
self.redis.rpush('pool_%s_queue' % (self.name), job_name)
else:
self.redis.lpush('pool_%s_queue' % (self.name), job_name)
def pop_job(self, timeout=None):
try:
variable, item = self.redis.blpop('pool_%s_queue' % (self.name),
timeout)
return item
except:
return None
@property
def workers(self):
worker_names = self.redis.hgetall('pool_%s_workers' % self.name).keys()
return [RedisWorker(self, worker_name) for worker_name in worker_names]
@property
def jobs(self):
job_names = self.redis.hgetall('pool_%s_jobs' % self.name).keys()
return [RedisJob(self, job_name) for job_name in job_names]
def apply_async(self,
f,
args=None,
kwargs=None,
callback=None,
job_name=None):
if args is None:
args = ()
if kwargs is None:
kwargs = {}
job = RedisJob(self, job_name, f, args=args, kwargs=kwargs)
job.enqueue()
return job
def close(self):
"""Close the queue to taking on new members
"""
pass
def terminate(self):
""" Immediately end all working jobs
"""
pass
def join(self):
"""Wait for all processes to exit
"""
pass
class RedisUsersConnection:
_universal_fields = [
'username', 'password', 'email', 'models-provider', 'first-name',
'last-name', 'registration-datetime'
]
_temp_fields = ['motivation']
_appr_fields = ['access-rights-sdo', 'access-rights-vendor']
def __init__(self, db: t.Optional[t.Union[int, str]] = None):
config = create_config()
self._redis_host = config.get('DB-Section', 'redis-host')
self._redis_port = config.get('DB-Section', 'redis-port')
if db is None:
db = config.get('DB-Section', 'redis-users-db', fallback=2)
self.redis = Redis(host=self._redis_host, port=self._redis_port,
db=db) # pyright: ignore
self.log_directory = config.get('Directory-Section', 'logs')
self.LOGGER = log.get_logger(
'redisUsersConnection',
'{}/redisUsersConnection.log'.format(self.log_directory))
def username_exists(self, username: str) -> bool:
return self.redis.hexists('usernames', username)
def get_field(self, id: t.Union[str, int], field: str) -> str:
r = self.redis.get('{}:{}'.format(id, field))
return (r or b'').decode()
def set_field(self, id: t.Union[str, int], field: str, value: str) -> bool:
return bool(self.redis.set('{}:{}'.format(id, field), value))
def delete_field(self, id: t.Union[str, int], field: str) -> bool:
return bool(self.redis.delete('{}:{}'.format(id, field)))
def is_approved(self, id: t.Union[str, int]) -> bool:
return self.redis.sismember('approved', id)
def is_temp(self, id: t.Union[str, int]) -> bool:
return self.redis.sismember('temp', id)
def id_by_username(self, username: str) -> str:
r = self.redis.hget('usernames', username)
return (r or b'').decode()
def create(self, temp: bool, **kwargs) -> int:
self.LOGGER.info('Creating new user')
id = self.redis.incr('new-id')
self.redis.hset('usernames', kwargs['username'], id)
if 'registration_datetime' not in kwargs:
kwargs['registration_datetime'] = str(datetime.datetime.utcnow())
for field in self._universal_fields:
self.set_field(id, field, kwargs[field.replace('-', '_')])
self.redis.sadd('temp' if temp else 'approved', id)
if temp:
for field in self._temp_fields:
self.set_field(id, field, kwargs[field.replace('-', '_')])
else:
for field in self._appr_fields:
self.set_field(id, field, kwargs[field.replace('-', '_')])
return id
def delete(self, id: t.Union[str, int], temp: bool):
self.LOGGER.info('Deleting user with id {}'.format(id))
self.redis.hdel('usernames', self.get_field(id, 'username'))
for field in self._universal_fields:
self.delete_field(id, field)
self.redis.srem('temp' if temp else 'approved', id)
if temp:
for field in self._temp_fields:
self.delete_field(id, field)
else:
for field in self._appr_fields:
self.delete_field(id, field)
def approve(self, id: t.Union[str, int], access_rights_sdo: str,
access_rights_vendor: str):
self.LOGGER.info('Approving user with id {}'.format(id))
self.redis.srem('temp', id)
self.set_field(id, 'access-rights-sdo', access_rights_sdo)
self.set_field(id, 'access-rights-vendor', access_rights_vendor)
self.redis.delete('{}:{}'.format(id, 'motivation'))
self.redis.sadd('approved', id)
def get_all(self, status) -> list:
return [id.decode() for id in self.redis.smembers(status)]
def get_all_fields(self, id: t.Union[str, int]) -> dict:
r = {}
for field in self._universal_fields:
r[field] = self.get_field(id, field)
if self.is_temp(id):
for field in self._temp_fields:
r[field] = self.get_field(id, field)
elif self.is_approved(id):
for field in self._appr_fields:
r[field] = self.get_field(id, field)
return r
class RedisAdapter:
def __init__(self, redis_connection_params, prefix, app=None):
self._redis_connection = Redis(**redis_connection_params)
self.prefix = prefix
self.init_app(app)
def init_app(self, app):
self.app = app
def exists(self, key):
key = f'{self.prefix}:{key}'
try:
result = self._redis_connection.exists(key)
except RedisError as e:
if self.app:
self.app.logger.warning('Redis is down!')
self.app.logger.exception(e)
return False
return result
def get(self, key):
key = f'{self.prefix}:{key}'
try:
value = self._redis_connection.get(key)
except RedisError as e:
if self.app:
self.app.logger.warning('Redis is down!')
self.app.logger.exception(e)
return None
return pickle.loads(value)
def set(self, key, value, timeout=None):
key = f'{self.prefix}:{key}'
if timeout is None:
timeout = self.app.config['REDIS_TIMEOUT']
value = pickle.dumps(value)
try:
self._redis_connection.setex(key, timeout, value)
except RedisError as e:
if self.app:
self.app.logger.warning('Redis is down!')
self.app.logger.exception(e)
return False
return True
def invalidate(self, key):
key = f'{self.prefix}:{key}'
try:
keys = self._redis_connection.keys(key)
for k in keys:
self._redis_connection.delete(k)
except RedisError as e:
if self.app:
self.app.logger.warning('Redis is down!')
self.app.logger.exception(e)
return False
return True
from pyrogram.raw.functions import messages
from pyrogram.raw.functions.messages import GetDialogFilters
from pyrogram import Client
from redis import Redis
user = Client('admin')
redis = Redis()
with user:
while True:
a = redis.get('msg')
if a:
user.send_message('@WhileForInt', a.decode('UTF-8'))
redis.delete('msg')
class ResourceManager(StrSignatureMixin):
'''
``ResourceManager`` is a class manager computer resources such like ``file_system`` and ``data_base``.
'''
def __init__(self,
store_path="~/autoflow",
file_system="local",
file_system_params=frozendict(),
db_type="sqlite",
db_params=frozendict(),
redis_params=frozendict(),
max_persistent_estimators=50,
persistent_mode="fs",
compress_suffix="bz2"):
'''
Parameters
----------
store_path: str
A path store files, such as metadata and model file and database file, which belong to AutoFlow.
file_system: str
Indicator-string about which file system or storage system will be used.
Available options list below:
* ``local``
* ``hdfs``
* ``s3``
``local`` is default value.
file_system_params: dict
Specific file_system configuration.
db_type: str
Indicator-string about which file system or storage system will be used.
Available options list below:
* ``sqlite``
* ``postgresql``
* ``mysql``
``sqlite`` is default value.
db_params: dict
Specific database configuration.
redis_params: dict
Redis configuration.
max_persistent_estimators: int
Maximal number of models can persistent in single task.
If more than this number, the The worst performing model file will be delete,
the corresponding database record will also be deleted.
persistent_mode: str
Indicator-string about which persistent mode will be used.
Available options list below:
* ``db`` - serialize entity to bytes and store in database directly.
* ``fs`` - serialize entity to bytes and form a pickle file upload to storage system or save in local.
compress_suffix: str
compress file's suffix, default is bz2
'''
# --logger-------------------
self.logger = get_logger(self)
# --preprocessing------------
file_system_params = dict(file_system_params)
db_params = dict(db_params)
redis_params = dict(redis_params)
# ---file_system------------
directory = os.path.split(generic_fs.__file__)[0]
file_system2cls = find_components(generic_fs.__package__, directory,
FileSystem)
self.file_system_type = file_system
if file_system not in file_system2cls:
raise Exception(f"Invalid file_system {file_system}")
self.file_system: FileSystem = file_system2cls[file_system](
**file_system_params)
if self.file_system_type == "local":
store_path = os.path.expandvars(os.path.expanduser(store_path))
self.store_path = store_path
# ---data_base------------
assert db_type in ("sqlite", "postgresql", "mysql")
self.db_type = db_type
self.db_params = dict(db_params)
if db_type == "sqlite":
assert self.file_system_type == "local"
# ---redis----------------
self.redis_params = redis_params
# ---max_persistent_model---
self.max_persistent_estimators = max_persistent_estimators
# ---persistent_mode-------
self.persistent_mode = persistent_mode
assert self.persistent_mode in ("fs", "db")
# ---compress_suffix------------
self.compress_suffix = compress_suffix
# ---post_process------------
self.store_path = store_path
self.file_system.mkdir(self.store_path)
self.is_init_experiments_db = False
self.is_init_tasks_db = False
self.is_init_hdls_db = False
self.is_init_trials_db = False
self.is_init_redis = False
self.is_master = False
# --some specific path based on file_system---
self.datasets_dir = self.file_system.join(self.store_path, "datasets")
self.databases_dir = self.file_system.join(self.store_path,
"databases")
self.parent_trials_dir = self.file_system.join(self.store_path,
"trials")
self.parent_experiments_dir = self.file_system.join(
self.store_path, "experiments")
for dir_path in [
self.datasets_dir, self.databases_dir,
self.parent_experiments_dir, self.parent_trials_dir
]:
self.file_system.mkdir(dir_path)
# --db-----------------------------------------
self.Datebase = get_db_class_by_db_type(self.db_type)
# --JSONField-----------------------------------------
if self.db_type == "sqlite":
from playhouse.sqlite_ext import JSONField
self.JSONField = JSONField
elif self.db_type == "postgresql":
from playhouse.postgres_ext import JSONField
self.JSONField = JSONField
elif self.db_type == "mysql":
from playhouse.mysql_ext import JSONField
self.JSONField = JSONField
def __reduce__(self):
self.close_redis()
self.close_experiments_table()
self.close_tasks_table()
self.close_hdls_table()
self.close_trials_table()
return super(ResourceManager, self).__reduce__()
def update_db_params(self, database):
db_params = dict(self.db_params)
if self.db_type == "sqlite":
db_params["database"] = self.file_system.join(
self.databases_dir, f"{database}.db")
elif self.db_type == "postgresql":
pass
elif self.db_type == "mysql":
pass
else:
raise NotImplementedError
return db_params
def estimate_new_id(self, Dataset, id_field):
# fixme : 用来预测下一个自增主键的ID，但是感觉有问题
try:
records = Dataset.select(getattr(Dataset, id_field)). \
where(getattr(Dataset, id_field)). \
order_by(-getattr(Dataset, id_field)). \
limit(1)
if len(records) == 0:
estimated_id = 1
else:
estimated_id = getattr(records[0], id_field) + 1
except Exception as e:
self.logger.error(f"Database Error:\n{e}")
estimated_id = 1
return estimated_id
def persistent_evaluated_model(self, info: Dict,
trial_id) -> Tuple[str, str]:
self.trial_dir = self.file_system.join(self.parent_trials_dir,
self.task_id, self.hdl_id)
self.file_system.mkdir(self.trial_dir)
model_path = self.file_system.join(
self.trial_dir, f"{trial_id}.{self.compress_suffix}")
if info["intermediate_result"] is not None:
intermediate_result_path = self.file_system.join(
self.trial_dir, f"{trial_id}_inter-res.{self.compress_suffix}")
else:
intermediate_result_path = ""
self.file_system.dump_pickle(info["models"], model_path)
if intermediate_result_path:
self.file_system.dump_pickle(info["intermediate_result"],
intermediate_result_path)
return model_path, intermediate_result_path
def get_ensemble_needed_info(self, task_id,
hdl_id) -> Tuple[MLTask, Any, Any]:
self.task_id = task_id
self.hdl_id = hdl_id
self.init_tasks_table()
task_record = self.TasksModel.select().where(
self.TasksModel.task_id == task_id)[0]
ml_task_str = task_record.ml_task
ml_task = eval(ml_task_str)
if self.persistent_mode == "fs":
Xy_train_path = task_record.Xy_train_path
Xy_train = self.file_system.load_pickle(Xy_train_path)
Xy_test_path = task_record.Xy_test_path
Xy_test = self.file_system.load_pickle(Xy_test_path)
elif self.persistent_mode == "db":
Xy_train = self.TasksModel.Xy_train
Xy_test = self.TasksModel.Xy_test
else:
raise NotImplementedError
return ml_task, Xy_train, Xy_test
def load_best_estimator(self, ml_task: MLTask):
# todo: 最后调用分析程序？
self.init_trials_table()
record = self.TrialsModel.select().group_by(
self.TrialsModel.loss, self.TrialsModel.cost_time).limit(1)[0]
if self.persistent_mode == "fs":
models = self.file_system.load_pickle(record.models_path)
else:
models = record.models_bin
if ml_task.mainTask == "classification":
estimator = VoteClassifier(models)
else:
estimator = MeanRegressor(models)
return estimator
def load_best_dhp(self):
trial_id = self.get_best_k_trials(1)[0]
record = self.TrialsModel.select().where(
self.TrialsModel.trial_id == trial_id)[0]
return record.dict_hyper_param
def get_best_k_trials(self, k):
self.init_trials_table()
trial_ids = []
records = self.TrialsModel.select().order_by(
self.TrialsModel.loss, self.TrialsModel.cost_time).limit(k)
for record in records:
trial_ids.append(record.trial_id)
return trial_ids
def load_estimators_in_trials(
self, trials: Union[List, Tuple]) -> Tuple[List, List, List]:
self.init_trials_table()
records = self.TrialsModel.select().where(
self.TrialsModel.trial_id << trials)
estimator_list = []
y_true_indexes_list = []
y_preds_list = []
for record in records:
exists = True
if self.persistent_mode == "fs":
if not self.file_system.exists(record.models_path):
exists = False
else:
estimator_list.append(load(record.models_path))
else:
estimator_list.append(record.models_bin)
if exists:
y_true_indexes_list.append(record.y_true_indexes)
y_preds_list.append(record.y_preds)
return estimator_list, y_true_indexes_list, y_preds_list
def set_is_master(self, is_master):
self.is_master = is_master
# ----------runhistory------------------------------------------------------------------
@property
def runhistory_db_params(self):
return self.update_db_params(self.current_tasks_db_name)
@property
def runhistory_table_name(self):
return f"runhistory_{self.hdl_id}"
# ----------database name------------------------------------------------------------------
@property
def meta_records_db_name(self):
return "meta_records"
@property
def current_tasks_db_name(self):
# return f"{self.task_id}-{self.hdl_id}"
return f"task_{self.task_id}"
# ----------redis------------------------------------------------------------------
def connect_redis(self):
if self.is_init_redis:
return True
try:
self.redis_client = Redis(**self.redis_params)
self.is_init_redis = True
return True
except Exception as e:
self.logger.error(f"Redis Error:\n{e}")
return False
def close_redis(self):
self.redis_client = None
self.is_init_redis = False
def clear_pid_list(self):
self.redis_delete("autoflow_pid_list")
def push_pid_list(self):
if self.connect_redis():
self.redis_client.rpush("autoflow_pid_list", os.getpid())
def get_pid_list(self):
if self.connect_redis():
l = self.redis_client.lrange("autoflow_pid_list", 0, -1)
return list(map(lambda x: int(x.decode()), l))
else:
return []
def redis_set(self, name, value, ex=None, px=None, nx=False, xx=False):
if self.connect_redis():
self.redis_client.set(name, value, ex, px, nx, xx)
def redis_get(self, name):
if self.connect_redis():
return self.redis_client.get(name)
else:
return None
def redis_delete(self, name):
if self.connect_redis():
self.redis_client.delete(name)
# ----------experiments_model------------------------------------------------------------------
def get_experiments_model(self) -> pw.Model:
class Experiments(pw.Model):
experiment_id = pw.IntegerField(primary_key=True)
general_experiment_timestamp = pw.DateTimeField(
default=datetime.datetime.now)
current_experiment_timestamp = pw.DateTimeField(
default=datetime.datetime.now)
hdl_id = pw.CharField(default="")
task_id = pw.CharField(default="")
hdl_constructors = self.JSONField(default=[])
hdl_constructor = pw.TextField(default="")
raw_hdl = self.JSONField(default={})
hdl = self.JSONField(default={})
tuners = self.JSONField(default=[])
tuner = pw.TextField(default="")
should_calc_all_metric = pw.BooleanField(default=True)
data_manager_bin = PickleFiled(default=0)
data_manager_path = pw.TextField(default="")
column_descriptions = self.JSONField(default={})
column2feature_groups = self.JSONField(default={})
dataset_metadata = self.JSONField(default={})
metric = pw.CharField(default=""),
splitter = pw.CharField(default="")
ml_task = pw.CharField(default="")
should_store_intermediate_result = pw.BooleanField(default=False)
fit_ensemble_params = pw.TextField(default="auto")
additional_info = self.JSONField(default={})
user = pw.CharField(default=getuser)
class Meta:
database = self.experiments_db
self.experiments_db.create_tables([Experiments])
return Experiments
def get_experiment_id_by_task_id(self, task_id):
self.init_tasks_table()
return self.TasksModel.select(self.TasksModel.experiment_id).where(
self.TasksModel.task_id == task_id)[0].experiment_id
def load_data_manager_by_experiment_id(self, experiment_id):
self.init_experiments_table()
experiment_id = int(experiment_id)
record = self.ExperimentsModel.select().where(
self.ExperimentsModel.experiment_id == experiment_id)[0]
data_manager_bin = record.data_manager_bin
data_manager_path = record.data_manager_path
if self.persistent_mode == "fs":
data_manager = self.file_system.load_pickle(data_manager_path)
elif self.persistent_mode == "db":
data_manager = data_manager_bin
else:
raise NotImplementedError
return data_manager
def insert_to_experiments_table(self, general_experiment_timestamp,
current_experiment_timestamp,
hdl_constructors, hdl_constructor, raw_hdl,
hdl, tuners, tuner, should_calc_all_metric,
data_manager, column_descriptions,
dataset_metadata, metric, splitter,
should_store_intermediate_result,
fit_ensemble_params, additional_info):
self.init_experiments_table()
# estimate new experiment_id
experiment_id = self.estimate_new_id(self.ExperimentsModel,
"experiment_id")
# todo: 是否需要删除data_manager的Xy
data_manager = deepcopy(data_manager)
data_manager.X_train = None
data_manager.X_test = None
data_manager.y_train = None
data_manager.y_test = None
if self.persistent_mode == "fs":
self.experiment_dir = self.file_system.join(
self.parent_experiments_dir, str(experiment_id))
self.file_system.mkdir(self.experiment_dir)
data_manager_bin = 0
data_manager_path = self.file_system.join(
self.experiment_dir, f"data_manager.{self.compress_suffix}")
self.file_system.dump_pickle(data_manager, data_manager_path)
else:
data_manager_path = ""
data_manager_bin = data_manager
experiment_record = self.ExperimentsModel.create(
general_experiment_timestamp=general_experiment_timestamp,
current_experiment_timestamp=current_experiment_timestamp,
hdl_id=self.hdl_id,
task_id=self.task_id,
hdl_constructors=[str(item) for item in hdl_constructors],
hdl_constructor=str(hdl_constructor),
raw_hdl=raw_hdl,
hdl=hdl,
tuners=[str(item) for item in tuners],
tuner=str(tuner),
should_calc_all_metric=should_calc_all_metric,
data_manager_bin=data_manager_bin,
data_manager_path=data_manager_path,
column_descriptions=column_descriptions,
column2feature_groups=data_manager.column2feature_groups, # todo
dataset_metadata=dataset_metadata,
metric=metric.name,
splitter=str(splitter),
ml_task=str(data_manager.ml_task),
should_store_intermediate_result=should_store_intermediate_result,
fit_ensemble_params=str(fit_ensemble_params),
additional_info=additional_info)
fetched_experiment_id = experiment_record.experiment_id
if fetched_experiment_id != experiment_id:
self.logger.warning("fetched_experiment_id != experiment_id")
self.experiment_id = experiment_id
def init_experiments_table(self):
if self.is_init_experiments_db:
return
self.is_init_experiments_db = True
self.experiments_db: pw.Database = self.Datebase(
**self.update_db_params(self.meta_records_db_name))
self.ExperimentsModel = self.get_experiments_model()
def close_experiments_table(self):
self.is_init_experiments_db = False
self.experiments_db = None
self.ExperimentsModel = None
# ----------tasks_model------------------------------------------------------------------
def get_tasks_model(self) -> pw.Model:
class Tasks(pw.Model):
# task_id = md5(X_train, y_train, X_test, y_test, splitter, metric)
task_id = pw.CharField(primary_key=True)
metric = pw.CharField(default="")
splitter = pw.CharField(default="")
ml_task = pw.CharField(default="")
specific_task_token = pw.CharField(default="")
# Xy_train
Xy_train_hash = pw.CharField(default="")
Xy_train_path = pw.TextField(default="")
Xy_train_bin = pw.BitField(default=0)
# Xy_test
Xy_test_hash = pw.CharField(default="")
Xy_test_path = pw.TextField(default="")
Xy_test_bin = pw.BitField(default=0)
class Meta:
database = self.tasks_db
self.tasks_db.create_tables([Tasks])
return Tasks
def insert_to_tasks_table(self, data_manager: DataManager, metric: Scorer,
splitter, specific_task_token):
self.init_tasks_table()
Xy_train_hash = get_hash_of_Xy(data_manager.X_train,
data_manager.y_train)
Xy_test_hash = get_hash_of_Xy(data_manager.X_test, data_manager.y_test)
metric_str = metric.name
splitter_str = str(splitter)
ml_task_str = str(data_manager.ml_task)
# ---task_id----------------------------------------------------
m = hashlib.md5()
get_hash_of_Xy(data_manager.X_train, data_manager.y_train, m)
get_hash_of_Xy(data_manager.X_test, data_manager.y_test, m)
get_hash_of_str(metric_str, m)
get_hash_of_str(splitter_str, m)
get_hash_of_str(ml_task_str, m)
get_hash_of_str(specific_task_token, m)
task_hash = m.hexdigest()
task_id = task_hash
records = self.TasksModel.select().where(
self.TasksModel.task_id == task_id)
# ---store_task_record----------------------------------------------------
if len(records) == 0:
# ---store_datasets----------------------------------------------------
Xy_train = [data_manager.X_train, data_manager.y_train]
Xy_test = [data_manager.X_test, data_manager.y_test]
if self.persistent_mode == "fs":
Xy_train_path = self.file_system.join(
self.datasets_dir,
f"{Xy_train_hash}.{self.compress_suffix}")
self.file_system.dump_pickle(Xy_train, Xy_train_path)
Xy_train_bin = 0
else:
Xy_train_path = ""
Xy_train_bin = Xy_train
if Xy_test_hash:
if self.persistent_mode == "fs":
Xy_test_path = self.file_system.join(
self.datasets_dir,
f"{Xy_test_hash}.{self.compress_suffix}")
self.file_system.dump_pickle(Xy_test, Xy_test_path)
Xy_test_bin = 0
else:
Xy_test_path = ""
Xy_test_bin = Xy_test
else:
Xy_test_path = ""
Xy_test_bin = 0
# if len(records) == 0:
self.TasksModel.create(
task_id=task_id,
metric=metric_str,
splitter=splitter_str,
ml_task=ml_task_str,
specific_task_token=specific_task_token,
# Xy_train
Xy_train_hash=Xy_train_hash,
Xy_train_path=Xy_train_path,
Xy_train_bin=Xy_train_bin,
# Xy_test
Xy_test_hash=Xy_test_hash,
Xy_test_path=Xy_test_path,
Xy_test_bin=Xy_test_bin,
)
self.task_id = task_id
def init_tasks_table(self):
if self.is_init_tasks_db:
return
self.is_init_tasks_db = True
self.tasks_db: pw.Database = self.Datebase(
**self.update_db_params(self.meta_records_db_name))
self.TasksModel = self.get_tasks_model()
def close_tasks_table(self):
self.is_init_tasks_db = False
self.tasks_db = None
self.TasksModel = None
# ----------hdls_model------------------------------------------------------------------
def get_hdls_model(self) -> pw.Model:
class HDLs(pw.Model):
hdl_id = pw.CharField(primary_key=True)
hdl = self.JSONField(default={})
class Meta:
database = self.hdls_db
self.hdls_db.create_tables([HDLs])
return HDLs
def insert_to_hdls_table(self, hdl):
self.init_hdls_table()
hdl_hash = get_hash_of_dict(hdl)
hdl_id = hdl_hash
records = self.HDLsModel.select().where(
self.HDLsModel.hdl_id == hdl_id)
if len(records) == 0:
self.HDLsModel.create(hdl_id=hdl_id, hdl=hdl)
self.hdl_id = hdl_id
def init_hdls_table(self):
if self.is_init_hdls_db:
return
self.is_init_hdls_db = True
self.hdls_db: pw.Database = self.Datebase(
**self.update_db_params(self.current_tasks_db_name))
self.HDLsModel = self.get_hdls_model()
def close_hdls_table(self):
self.is_init_hdls_db = False
self.hdls_db = None
self.HDLsModel = None
# ----------trials_model------------------------------------------------------------------
def get_trials_model(self) -> pw.Model:
class Trials(pw.Model):
trial_id = pw.IntegerField(primary_key=True)
config_id = pw.CharField(default="")
task_id = pw.CharField(default="")
hdl_id = pw.CharField(default="")
experiment_id = pw.IntegerField(default=0)
estimator = pw.CharField(default="")
loss = pw.FloatField(default=65535)
losses = self.JSONField(default=[])
test_loss = self.JSONField(default=[])
all_score = self.JSONField(default={})
all_scores = self.JSONField(default=[])
test_all_score = self.JSONField(default={})
models_bin = PickleFiled(default=0)
models_path = pw.TextField(default="")
y_true_indexes = PickleFiled(default=0)
y_preds = PickleFiled(default=0)
y_test_true = PickleFiled(default=0)
y_test_pred = PickleFiled(default=0)
smac_hyper_param = PickleFiled(default=0)
dict_hyper_param = self.JSONField(default={}) # todo: json field
cost_time = pw.FloatField(default=65535)
status = pw.CharField(default="SUCCESS")
failed_info = pw.TextField(default="")
warning_info = pw.TextField(default="")
intermediate_result_path = pw.TextField(default=""),
intermediate_result_bin = PickleFiled(default=b''),
timestamp = pw.DateTimeField(default=datetime.datetime.now)
user = pw.CharField(default=getuser)
pid = pw.IntegerField(default=os.getpid)
class Meta:
database = self.trials_db
self.trials_db.create_tables([Trials])
return Trials
def init_trials_table(self):
if self.is_init_trials_db:
return
self.is_init_trials_db = True
self.trials_db: pw.Database = self.Datebase(
**self.update_db_params(self.current_tasks_db_name))
self.TrialsModel = self.get_trials_model()
def close_trials_table(self):
self.is_init_trials_db = False
self.trials_db = None
self.TrialsModel = None
def insert_to_trials_table(self, info: Dict):
self.init_trials_table()
config_id = info.get("config_id")
if self.persistent_mode == "fs":
# todo: 考虑更特殊的情况，不同的任务下，相同的配置
models_path, intermediate_result_path = \
self.persistent_evaluated_model(info, config_id)
models_bin = None
intermediate_result_bin = None
else:
models_path = ""
intermediate_result_path = ""
models_bin = info["models"]
intermediate_result_bin = info["intermediate_result"]
self.TrialsModel.create(
config_id=config_id,
task_id=self.task_id,
hdl_id=self.hdl_id,
experiment_id=self.experiment_id,
estimator=info.get("estimator", ""),
loss=info.get("loss", 65535),
losses=info.get("losses", []),
test_loss=info.get("test_loss", 65535),
all_score=info.get("all_score", {}),
all_scores=info.get("all_scores", []),
test_all_score=info.get("test_all_score", {}),
models_bin=models_bin,
models_path=models_path,
y_true_indexes=info.get("y_true_indexes"),
y_preds=info.get("y_preds"),
y_test_true=info.get("y_test_true"),
y_test_pred=info.get("y_test_pred"),
smac_hyper_param=info.get("program_hyper_param"),
dict_hyper_param=info.get("dict_hyper_param", {}),
cost_time=info.get("cost_time", 65535),
status=info.get("status", "failed"),
failed_info=info.get("failed_info", ""),
warning_info=info.get("warning_info", ""),
intermediate_result_path=intermediate_result_path,
intermediate_result_bin=intermediate_result_bin,
)
def delete_models(self):
if hasattr(self, "sync_dict"):
exit_processes = self.sync_dict.get("exit_processes", 3)
records = 0
for key, value in self.sync_dict.items():
if isinstance(key, int):
records += value
if records >= exit_processes:
return False
# master segment
if not self.is_master:
return True
self.init_trials_table()
estimators = []
for record in self.TrialsModel.select().group_by(
self.TrialsModel.estimator):
estimators.append(record.estimator)
for estimator in estimators:
should_delete = self.TrialsModel.select().where(
self.TrialsModel.estimator == estimator).order_by(
self.TrialsModel.loss, self.TrialsModel.cost_time).offset(
self.max_persistent_estimators)
if len(should_delete):
if self.persistent_mode == "fs":
for record in should_delete:
models_path = record.models_path
self.logger.info(
f"Delete expire Model in path : {models_path}")
self.file_system.delete(models_path)
self.TrialsModel.delete().where(
self.TrialsModel.trial_id.in_(
should_delete.select(
self.TrialsModel.trial_id))).execute()
return True
class RedisClient(object):
"""
Redis client
Redis中固定3个hash：;
"""
def __init__(self, **kwargs):
"""
kwargs: 'CONN_DB_INFO'配置信息
"""
# CONN_DB_INFO配置结构如下
# 'CONN_DB_INFO' : {'DBTYPE':'mysql',
# 'CONN': {'host':x, 'user':x,
# 'passwd':x, 'db':x, 'charset':'utf8'},},
assert kwargs['DBTYPE'] == 'redis', (
'DBtype error, {} Not `mysql`'.format(kwargs.get('DBTYPE')))
cnn = kwargs['CONN']
self.conn_info = {}
if cnn.get('host'):
self.conn_info['host'] = cnn.get('host')
if cnn.get('port'):
self.conn_info['port'] = cnn.get('port')
if cnn.get('passwd'):
self.conn_info['password'] = cnn.get('passwd')
self.item_hash = 'tauction_item'
self.item_url_scraped_hash = 'url_state1' #已抓取,对应state==1
self.item_url_scraping_hash = 'url_negativel' #爬虫取正在抓取,对应state==-1
self.item_url_hash = 'ur0' #待传递给爬虫去抓取，对应state==0
self.client = None
self.state = None
def get_basic_infos(self):
"""
about state, host, db
return: {'host':, 'state': ,}
"""
return {'host': self.conn_info['host'], 'state': self.state}
def open(self):
"""open redis client"""
if self.state == 'opened':
return
self.client = Redis(connection_pool=BlockingConnectionPool(
**self.conn_info))
if self.client:
self.state = 'opened'
logging.info("redis,host:%s, state:%s", self.conn_info.get('host'),
self.state)
def close(self):
"""close redis client"""
if self.state == 'closed':
return
self.state = 'closed'
if self.client:
logging.info("数据库连接关闭,host:%s", self.conn_info.get('host'))
self.client.close()
def escape_string(self, value, mapping=None) -> str:
"""escape_string escapes *value* but not surround it with quotes."""
return json.dumps(value)
def insert_tauction_item(self, key, **kwargs) -> int:
"""
写标的详单，同时更新url状态为已抓取
若成功，返回1
params:
key:
dict keys: url, atten, rec, notice, intro, attachs,bian
video, images, preferred, state, spidername
"""
assert self.client
#入库详单
value = json.dumps(kwargs)
self.put(self.item_hash, key, value)
#改变状态
if self.exists(self.item_url_hash, key):
self.delete(self.item_url_hash, key) #保险动作
self.delete(self.item_url_scraping_hash, key)
num = self.put(self.item_url_scraped_hash, key, value)
return num
def insert_tauctionitem_url(self, key, **kwargs) -> int:
"""
写标的url, 如果不提供状态state，写入均按照初始状态<0>写入
返回值：
-1 如果标的url已经历史入库过
0 历史库没有，但入库失败
1 入库成功
params:
key:
kwargs keys: url, spidername, state
"""
assert self.client
if (self.exists(self.item_url_scraped_hash, key)
or self.exists(self.item_url_scraping_hash, key)
or self.exists(self.item_url_hash, key)):
return -1
state = 0
num = 0
if kwargs.get('state'):
# 如果状态不合法，则认为是0状态
state = kwargs.get('state')
if state == 1:
num = self.put(self.item_url_scraped_hash, key,
json.dumps(kwargs))
elif state == -1:
num = self.put(self.item_url_scraping_hash, key,
json.dumps(kwargs))
else:
kwargs['state'] = 0
num = self.put(self.item_url_hash, key, json.dumps(kwargs))
else:
kwargs['state'] = 0
num = self.put(self.item_url_hash, key, json.dumps(kwargs))
return num
def fetch_auction_item_urls(self, spider, maxnum) -> dict:
"""
抓取最多max个未访问url,返回结构是{id:url}结构的字典
params:
spider: spider name
maxnum: maximun urls got from db
"""
assert maxnum > 0 and self.client
samples = {}
all_sets = self.getall(self.item_url_hash)
if all_sets:
if len(all_sets) <= maxnum:
samples = all_sets
else:
#随机获取指定数量
sample_keys = random.sample(list(all_sets), maxnum)
#
samples = {
k: v
for k, v in all_sets.items() if k in sample_keys
}
#改变状态
for key, value in samples.items():
self.delete(self.item_url_hash, key)
self.put(self.item_url_scraping_hash, key, value)
return {k: json.loads(v).get('url') for k, v in samples.items()}
def get(self, hashname, key) -> str:
"""method"""
#py3 redis.hget返回时byte类型
data = self.client.hget(name=hashname, key=key)
if data:
return data.decode('utf-8')
else:
return None
def put(self, hashname, key, value) -> int:
"""method"""
num = self.client.hset(hashname, key, value)
return num
def delete(self, hashname, *key):
"""delete """
self.client.hdel(hashname, *key)
def exists(self, hashname, key):
"""method"""
return self.client.hexists(hashname, key)
def update(self, hashname, key, value):
"""method"""
self.client.hset(hashname, key, value)
def getall(self, hashname) -> set:
"""method"""
item_dict = self.client.hgetall(hashname)
return {
k.decode('utf-8'): v.decode('utf-8')
for k, v in item_dict.items()
}
def clear(self, hashname):
"""method"""
return self.client.delete(hashname)
def getnumber(self, hashname):
"""method"""
return self.client.hlen(hashname)
class TestAuthLockout(unittest.TestCase):
def __init__(self, *args, **kwargs):
"""
Setup our self objects for this test case
"""
super().__init__(*args, **kwargs)
self.username = "******"
self.redis = Redis()
self.sample_fail_dict = {
"failure_count": 0,
"failure_timestamps": bytes()
}
def setUp(self) -> None:
"""
Plumb up our values in redis, ensure Redis is good, etc.
:return:
"""
self.redis.delete("naas_failures_brett")
def test_tacacs_auth_lockout(self):
"""
Tests for the tacacs_auth_lockout function
:return:
"""
# Test if no existing failures in cache, and we're not reporting one
with self.subTest(
msg="Checking failures, none yet reported for user."):
self.assertEqual(tacacs_auth_lockout(username=self.username),
False)
# Test if no existing failures in cache, and we _ARE_ reporting one
with self.subTest(msg="Reporting first failure for user."):
self.assertEqual(
tacacs_auth_lockout(username=self.username,
report_failure=True), False)
# Iterate up to 9 failures:
for _ in range(8):
tacacs_auth_lockout(username=self.username, report_failure=True)
# Test if 9 existing failures and checking (But not adding new failure)
with self.subTest(
msg="Checking failures, 9 reported so far for user."):
self.assertEqual(tacacs_auth_lockout(username=self.username),
False)
# Test if 9 existing failures and we report the tenth
with self.subTest(
msg="Checking failures, 9 reported, reporting 1 more."):
self.assertEqual(
tacacs_auth_lockout(username=self.username,
report_failure=True), True)
# Test if 10 failures and we are simply checking
with self.subTest(
msg="Checking failures, 10 reported so far for user."):
self.assertEqual(tacacs_auth_lockout(username=self.username), True)
# Test if 10 failures and we try to report another
with self.subTest(
msg=
"Checking failures, 10 reported so far for user, trying to report another failure."
):
self.assertEqual(
tacacs_auth_lockout(username=self.username,
report_failure=True), True)
# Test "old" failures by stashing a 9 failures from _before_ ten minutes ago.
self.stash_failures(failure_count=9, old=True)
# Test if 9 existing failures from greater than 10 minutes ago:
with self.subTest(
msg="Checking failures, 9 reported > 10 minutes ago."):
self.assertEqual(tacacs_auth_lockout(username=self.username),
False)
# Test if 9 existing failures from greater than 10 minutes ago, and we're reporting a new failure:
with self.subTest(
msg=
"Checking failures, 9 reported > 10 minutes ago, reporting 1 new failure."
):
self.assertEqual(
tacacs_auth_lockout(username=self.username,
report_failure=True), False)
# Now add 9 new failures
for _ in range(9):
tacacs_auth_lockout(username=self.username, report_failure=True)
# Finally test that these failures "count" and we're locked out:
with self.subTest(
msg=
"Testing lockout after removing old faiulres, but new came in."
):
self.assertEqual(
tacacs_auth_lockout(username=self.username,
report_failure=True), True)
def tearDown(self) -> None:
"""
Delete our test entry in Redis
:return:
"""
self.redis.delete("naas_failures_brett")
def stash_failures(self, failure_count: int, old: bool) -> None:
"""
Will clear the test DB entry, and stash the given number of failures. Can also be _OLDER_ than 10 minutes
:param failure_count: How many failures are we stashing
:param old: Are we stashing failures from prior to 10 minutes ago?
:return:
"""
# Clear out all the failures from previous tests
self.redis.delete("naas_failures_brett")
self.sample_fail_dict["failure_count"] = failure_count
fail_timestamps = []
for _ in range(failure_count):
# Add the failures into the list
fail_time = datetime.now()
if old:
fail_time = fail_time - timedelta(minutes=30)
fail_timestamps.append(fail_time)
self.sample_fail_dict["failure_timestamps"] = dumps(fail_timestamps)
self.redis.hmset("naas_failures_brett", self.sample_fail_dict)
class _RedisKvDB(KeyValueStore):
f"""
Redis key-value pair database implementation of KeyValueStore
Defines methods for getting, deleting and putting key value pairs
:param host, port, db (see also https://github.com/andymccurdy/redis-py)
Example:
```
db = KeyValueDatabase.instance(provider='redis', host='localhost', port=6379, db=0)
```
"""
def __init__(self,
host='xcube-gen-stage-redis',
port=6379,
db=0,
use_mocker: bool = False,
**kwargs):
super().__init__()
try:
from redis import Redis
except ImportError:
raise api.ApiError(
500, "Error: Cannot import redis. Please install first.")
host = os.getenv('XCUBE_HUB_REDIS_HOST') or host
port = os.getenv('XCUBE_HUB_REDIS_PORT') or port
db = os.getenv('XCUBE_HUB_REDIS_DB') or db
if use_mocker is True or use_mocker == 1:
self._db = _KvDBMocker()
else:
self._db = Redis(host=host, port=port, db=db, **kwargs)
# self._db.ping()
def get(self, key):
"""
Get a key value
:param key:
:return:
"""
from redis.exceptions import ConnectionError as RedisConnectionError
try:
val = self._db.get(key)
except RedisConnectionError:
raise api.ApiError(400, "System Error: redis cache not ready.")
if isinstance(val, bytes):
val = val.decode('utf-8')
return val
def set(self, key, value):
"""
Set a key value
:param value:
:param key:
:return:
"""
from redis.exceptions import ConnectionError as RedisConnectionError
try:
return self._db.set(key, value)
except RedisConnectionError:
raise api.ApiError(400, "System Error: redis cache not ready.")
def delete(self, key):
"""
Delete a key
:param key:
:return:
"""
from redis.exceptions import ConnectionError as RedisConnectionError
try:
return self._db.delete(key)
except RedisConnectionError:
raise api.ApiError(400, "System Error: redis cache not ready.")
from redis import Redis
r = Redis()
words = open("words_alpha.txt").readlines()
bigram_list = dict()
r.delete("words")
r.delete("letterpairs")
print(f"Processing {len(words)} words ", end='', flush=True)
count = 1
checkpoint = int(len(words) / 10)
for word in words:
if not checkpoint % count:
print(".", end='', flush=True)
count += 1
word = word.rstrip().lower()
if len(word) >= 2:
r.sadd("words", word)
for i, j in enumerate(word):
bigram = word[i:i + 2]
if len(bigram) == 2:
bigram_list.setdefault(bigram, 0)
bigram_list[bigram] += 1
print(f"Processing {len(bigram_list)} bigrams ", end="", flush=True)
count = 1
checkpoint = int(len(bigram_list) / 10)
for pair, freq in bigram_list.items():
