def test_iter():
q = Queue()
list = [i for i in range(10)]
for i in list:
q.queue(i)
new_list = [i for i in q]
assert q.is_empty()
assert list == new_list
class DepthFirstOrder(object):
def __init__(self, G):
self.__marked = [False] * G.V()
self.__pre = [-1] * G.V()
self.__post = [-1] * G.V()
self.__pre_counter = 0
self.__post_counter = 0
self.__pre_order = Queue()
self.__post_order = Queue()
for v in range(G.V()):
if self.__marked[v] is False:
self.__dfs(G, v)
def __dfs(self, G, v):
self.__marked[v] = True
self.__pre[v] = self.__pre_counter
self.__pre_counter += 1
self.__pre_order.enqueue(v)
for w in G.adj(v):
if self.__marked[w] is False:
self.__dfs(G, w)
self.__post_order.enqueue(v)
self.__post[v] = self.__post_counter
self.__post_counter += 1
def pre(self, v):
self.__validate_vertex(v)
return self.__pre[v]
def post(self, v):
self.__validate_vertex(v)
return self.__post[v]
def pre_order(self):
return self.__pre_order
def post_order(self):
return self.__post_order
def reverse_post(self):
reverse = Stack()
for v in self.__post_order:
reverse.push(v)
return reverse
def __validate_vertex(self, v):
V = len(self.__marked)
if v < 0 or v > V:
raise ValueError("vertex %s is not between 0 and %s" % (v, V))
def __init__(self, G):
self.__marked = [False] * G.V()
self.__pre = [-1] * G.V()
self.__post = [-1] * G.V()
self.__pre_counter = 0
self.__post_counter = 0
self.__pre_order = Queue()
self.__post_order = Queue()
for v in range(G.V()):
if self.__marked[v] is False:
self.__dfs(G, v)
def __bfs(self, G, sources):
q = Queue()
for s in sources:
self.__marked[s] = True
self.__dist_to[s] = 0
q.enqueue(s)
while q.is_empty() is False:
v = q.dequeue()
for w in G.adj(v):
if self.__marked[w] is False:
self.__edge_to[w] = v
self.__dist_to[w] = self.__dist_to[v] + 1
self.__marked[w] = True
q.enqueue(w)
def enqueue(self, item, priority=0):
if priority not in self.items:
self.items[priority] = Queue()
queue = self.items[priority]
queue.enqueue(item)
def hotPotato(namelist, num):
simqueue = Queue()
for name in namelist:
simqueue.enqueue(name)
while simqueue.size() > 1:
for i in range(num):
simqueue.enqueue(simqueue.dequeue())
simqueue.dequeue()
return simqueue.dequeue()
import redis
from pyqueue import Queue
r = redis.StrictRedis()
queue = Queue(r, 'pynash')
print('Starting worker...')
while True:
print(' --> Waiting for work...')
job = queue.dequeue_job()
print('Job {job_id}: {result}'.format(job_id=job.id, result=job.result))
from pyqueue import Queue
q=Queue()
q.enqueue(6)
q.enqueue('cat')
q.enqueue(True)
print(q.size())
print(q.dequeue())
print(q.dequeue())
print(q.size())
from pyqueue import Queue
q = Queue()
q.enqueue(6)
q.enqueue("cat")
q.enqueue(True)
print(q.size())
print(q.dequeue())
print(q.dequeue())
print(q.size())
import redis
from pyqueue import Queue
from tasks import count_words
r = redis.StrictRedis()
queue = Queue(r, 'pynash')
job1_id = queue.enqueue_job(count_words, 'declaration-of-independence.txt')
print('Queued {}'.format(job1_id))
job2_id = queue.enqueue_job(count_words, 'us-constitution.txt', most_common=5)
print('Queued {}'.format(job2_id))
def test_queue_one():
q = Queue()
q.queue(1)
assert not q.is_empty()
assert q.dequeue() == 1
assert q.is_empty()
def test_iter2():
q = Queue()
r = Queue()
list = [i for i in range(10)]
for i in list:
r.queue(i)
assert not r.is_empty()
for i in r:
q.queue(i)
assert r.is_empty()
assert not q.is_empty()
new_list = [i for i in q]
assert q.is_empty()
assert list == new_list
def test_empty():
q = Queue()
assert q.is_empty()
def test_queue_more():
q = Queue()
q.queue(1)
q.queue('true')
q.queue(True)
assert q.dequeue() == 1
assert q.dequeue() == 'true'
assert q.dequeue() == True
assert q.is_empty()
def test_queue_none():
q = Queue()
q.queue(None)
assert not q.is_empty()
assert q.dequeue() is None
assert q.is_empty()