*SCAN commands family implementation about aioredis-py HOT 4 CLOSED

cur = b'0'
while cur != 0:
    cur, resp = yield from redis.scan(cur)

def scan_iter(self, match=None, count=None):
    cursor = '0'
    while cursor != 0:
        cursor, data = self.scan(cursor=cursor, match=match, count=count)
        for item in data:
            yield item
# usage
for items in redis.scan_iter():
    print(item)

cursor = yield from protocol.scan(match='*')
while True:
    item = yield from cursor.fetchone()
    if item is None:
        break
    else:
        print(item)

cur = '0'
while cur != 0:
    cur, resp = yield from redis.scan(cur)
    for item in resp:
        pass  # handle items

cursor_ctx = yield from redis.scan(0)
# cursor_ctx -- namedtuple with 'cur' and 'resp' fields and __iter__ method
for fut in cursor_ctx:   # or simply: for fut in (yield from redis.scan(0)):
    cur, resp = yield from fut
    for item in resp:
        pass  # handle items