def test_node_repr(self):
a = dllist([None]).first
self.assertEqual(repr(a), '<dllistnode(None)>')
b = dllist([1, None]).first
self.assertEqual(repr(b), '<dllistnode(1)>')
c = dllist(['abc', None]).first
self.assertEqual(repr(c), '<dllistnode(\'abc\')>')
def transition(self, state):
assert len(state) == num_cars
state = np.array(state)
state_current = dllist(state)
state_old = state_current
state_current = dllist()
# update the state
for car in llist_generator(state_old):
ita = np.random.randn() * v_error
#print(ita)
if car is state_old.first:
# first car, always cruise
position = car.value + v_cruise + ita
state_current.append(position)
# step_desc += 'first'
else:
# not the first car
distance = car.prev.value - car.value
p = prob_close if distance < threshold_close else prob_fine if distance < threshold_far else prob_far
v = np.random.choice(velocities, p=p)
position = car.value + v + ita
state_current.append(position)
state = list(state_current)
return state
def test_insertafter_with_invalid_ref_node(self):
ll = dllist()
other_list = dllist(['node in other list'])
self.assertRaises(TypeError, ll.insertafter, 1234, None)
self.assertRaises(TypeError, ll.insertafter, 1234, 'not a dllist node')
self.assertRaises(ValueError, ll.insertafter, 1234, dllistnode())
self.assertRaises(ValueError, ll.insertafter, 1234, other_list.first)
def test_node_str(self):
a = dllist([None, None]).first
self.assertEqual(str(a), 'dllistnode(None)')
b = dllist([1, None]).first
self.assertEqual(str(b), 'dllistnode(1)')
c = dllist(['abc', None]).first
self.assertEqual(str(c), 'dllistnode(abc)')
def __init__(self, cards: np.ndarray, player_sid: str) -> None:
self._num_cards = 0
self._cards = np.empty(shape=53, dtype=np.object)
for card in cards:
self[card] = dllist() # a dllist of HandPointerNodes
self._num_cards += 1
self._hands: dllist = dllist() # a dllist of ConsciousHandNodes
self._player_sid = player_sid
def test_insertnodeafter_adds_node_in_correct_position(self):
ll = dllist([0, 1, 2, 3, 4])
inserted_node = dllistnode(1234)
ref_node = ll.nodeat(2)
ll.insertnodeafter(inserted_node, ref_node)
self.assertIs(ll.nodeat(3), inserted_node)
self.assertIs(ll.nodeat(3).value, inserted_node.value)
self.assertEqual(ll, dllist([0, 1, 2, 1234, 3, 4]))
def test_insertafter_extracts_value_from_inserted_node(self):
ll = dllist([0])
free_node = dllistnode('free node')
other_list = dllist(['node in other list'])
new_node = ll.insertafter(free_node, ll.first)
self.assertIsNot(new_node, free_node)
self.assertIs(new_node.value, free_node.value)
new_node = ll.insertafter(other_list.first, ll.first)
self.assertIsNot(new_node, other_list.first)
self.assertIs(new_node.value, other_list.first.value)
def __init__(self):
self.directions = dllist([{'dx': 0, 'dy': 1, 'dir': ' ^ '}, {'dx': -1, 'dy': 0, 'dir': ' > '},
{'dx': 0, 'dy': -1, 'dir': ' v '}, {'dx': 1, 'dy': 0, 'dir': ' < '}])
self.direction = self.directions[0]
_coords_list = [i for i in range(0, 35)]
self.x_coordinates_list = dllist(_coords_list)
self.y_coordinates_list = dllist(_coords_list)
self.x_coordinates_list.rotate(16)
self.y_coordinates_list.rotate(16)
self.place = [self.y_coordinates_list[0], self.x_coordinates_list[0]] # [17, 17]
def __init__(self, **kwargs):
self.PLEASE_SET_k = -1
self.T1 = dllist()
self.T2 = dllist()
self.B1 = dllist()
self.B2 = dllist()
self.p = 0
self.shadow_cache = {}
self.name = "ARC"
def __init__(self, seed_customers, D, d):
self.potential_insertions = []
if seed_customers:
lroute = [0] + seed_customers + [0]
self.route = dllist(lroute)
self.cost = objf(lroute, D)
self.used_capacity = sum(d[n] for n in lroute) if d else 0
else:
self.route = dllist([0, 0])
self.used_capacity = 0
self.cost = 0
def full_reset_node(self):
self.full_children = dllist()
self.partial_children = dllist()
self.pertinent_child_count = 0
self.pertinent_leaf_count = 0
self.mark = Mark.UNMARKED
self.label = Label.EMPTY
self.clear_siblings()
self.clear_endmost()
self.circular_link = dllist()
self.is_pseudo_node = False
def test_concat(self):
a_ref = py23_range(0, 1024, 4)
a = dllist(a_ref)
b_ref = py23_range(8092, 8092 + 1024, 4)
b = dllist(b_ref)
ab_ref = dllist(a_ref + b_ref)
c = a + b
self.assertEqual(c, ab_ref)
self.assertEqual(len(c), len(ab_ref))
c = a + b_ref
self.assertEqual(c, ab_ref)
self.assertEqual(len(c), len(a_ref) * 2)
def test_concat_empty(self):
empty = dllist()
filled_ref = py23_range(0, 1024, 4)
filled = dllist(filled_ref)
res = empty + empty
self.assertEqual(res, dllist([] + []))
self.assertEqual(len(res), 0)
res = empty + filled
self.assertEqual(res, dllist([] + filled_ref))
self.assertEqual(len(res), len(filled_ref))
res = filled + empty
self.assertEqual(res, dllist(filled_ref + []))
self.assertEqual(len(res), len(filled_ref))
def test_insert_node_value_before_first(self):
ll = dllist(py23_xrange(4))
ref = dllist([10, 0, 1, 2, 3])
next = ll.nodeat(0)
arg_node = dllistnode(10)
new_node = ll.insertnode(arg_node, ll.nodeat(0))
self.assertEqual(new_node, arg_node)
self.assertEqual(new_node.value, 10)
self.assertEqual(new_node.prev, None)
self.assertEqual(new_node.next, next)
self.assertEqual(next.prev, new_node)
self.assertEqual(new_node, ll.first)
self.assertEqual(ll, ref)
def test_appendleft(self):
ll = dllist(py23_xrange(4))
ref = dllist([10, 0, 1, 2, 3])
next = ll.nodeat(0)
arg_node = dllistnode(10)
new_node = ll.appendleft(arg_node)
self.assertNotEqual(new_node, arg_node)
self.assertEqual(new_node.value, 10)
self.assertEqual(new_node.prev, None)
self.assertEqual(new_node.next, next)
self.assertEqual(next.prev, new_node)
self.assertEqual(ll.first, new_node)
self.assertEqual(ll, ref)
def test_appendright(self):
ll = dllist(py23_xrange(4))
ref = dllist([0, 1, 2, 3, 10])
prev = ll.nodeat(-1)
arg_node = dllistnode(10)
new_node = ll.appendright(arg_node)
self.assertNotEqual(new_node, arg_node)
self.assertEqual(new_node.value, 10)
self.assertEqual(new_node.prev, prev)
self.assertEqual(new_node.next, None)
self.assertEqual(prev.next, new_node)
self.assertEqual(ll.last, new_node)
self.assertEqual(ll, ref)
def reset(self):
if self.node_type != Type.LEAF:
for child in self.iter_children():
child.reset()
# Common part for all nodes
self.full_children = dllist()
self.partial_children = dllist()
self.pertinent_child_count = 0
self.pertinent_leaf_count = 0
self.mark = Mark.UNMARKED
self.label = Label.EMPTY
self.is_pseudo_node = False
def test_insert_node_value_before(self):
ll = dllist(py23_xrange(4))
ref = dllist([0, 1, 10, 2, 3])
prev = ll.nodeat(1)
next = ll.nodeat(2)
arg_node = dllistnode(10)
new_node = ll.insertnode(arg_node, ll.nodeat(2))
self.assertEqual(new_node, arg_node)
self.assertEqual(new_node.value, 10)
self.assertEqual(new_node.prev, prev)
self.assertEqual(new_node.next, next)
self.assertEqual(prev.next, new_node)
self.assertEqual(next.prev, new_node)
self.assertEqual(ll, ref)
def template_p3(self, node: PQnode) -> bool:
if node.node_type != Type.P_NODE or len(node.partial_children) > 0:
#print("[Template_P3] result = " + str(False) + " node: " + str(node.id))
return False
new_qnode = PQnode()
new_qnode.node_type = Type.Q_NODE
new_qnode.label = Label.PARTIAL
self.pertinent_nodes.append(new_qnode)
node.parent.replace_partial_child(node, new_qnode)
node.replace_direction_indicator(new_qnode)
# Special case when only one full child
if len(node.full_children) == 1:
full_child = node.full_children.nodeat(0).value
node.full_children = dllist()
node.circular_link.remove(full_child.circular_list_node)
# Otherwise create new P-node
else:
full_child = PQnode()
full_child.node_type = Type.P_NODE
node.move_full_children(full_child)
full_child.parent = new_qnode
new_qnode.endmost_children[0] = full_child
full_child.mark_full()
self.pertinent_nodes.append(full_child)
# If only one empty child
if len(node.circular_link) - len(node.full_children) == 1:
empty_child = node.circular_link.nodeat(0).value
node.circular_link = dllist()
else:
empty_child = node
empty_child.parent = new_qnode
new_qnode.endmost_children[1] = empty_child
empty_child.mark_empty()
empty_child.immediate_sublings[0] = full_child
full_child.immediate_sublings[0] = empty_child
new_qnode.mark_partial()
self.pertinent_nodes.append(new_qnode)
#print("Template 3 exit with True node: " + str(node.id))
return True
def test_iternodes_with_removed_node(self):
ll = dllist(['x', 'removed item'])
removed_node = ll.last
for node in ll.iternodes():
self.assertNotEqual(node, removed_node)
ll.remove(removed_node)
def test_node_owner(self):
ll = dllist([1234])
owner_ref = ll.first.owner
self.assertIsInstance(owner_ref, weakref.ref)
self.assertIs(owner_ref(), ll)
del ll
self.assertIsNone(owner_ref())
def test_remove_after_remove(self):
ll = dllist([1, 2, 3])
del_node = ll.nodeat(1)
ll.remove(del_node)
self.assertIs(del_node.prev, None)
self.assertIs(del_node.next, None)
self.assertIs(del_node.owner, None)
def test_insertnodeafter_returns_inserted_node(self):
ll = dllist([0])
inserted_value = 'inserted value'
inserted_node = dllistnode(inserted_value)
returned_node = ll.insertnodeafter(inserted_node, ll.first)
self.assertIs(returned_node, inserted_node)
self.assertIs(returned_node.value, inserted_value)
def test_node_after_del(self):
ll = dllist([1, 2, 3])
del_node = ll.nodeat(1)
del ll[1]
self.assertIs(del_node.prev, None)
self.assertIs(del_node.next, None)
self.assertIs(del_node.owner, None)
def test_insert_node_with_invalid_ref(self):
ll = dllist()
self.assertRaises(TypeError, ll.insertnode, dllistnode(10), 1)
self.assertRaises(TypeError, ll.insertnode, dllistnode(10), 'abc')
self.assertRaises(TypeError, ll.insertnode, dllistnode(10), [])
self.assertRaises(ValueError, ll.insertnode, dllistnode(10),
dllistnode())
def test_insertnodeafter_with_invalid_type_of_inserted_node(self):
ll = dllist([0])
self.assertRaises(TypeError, ll.insertnodeafter, None, ll.first)
self.assertRaises(TypeError, ll.insertnodeafter, 'non-node argument',
ll.first)
self.assertRaises(TypeError, ll.insertnodeafter, sllistnode(1234),
ll.first)
def deepcopy(dllist):
copy_dllist = linked_list.dllist()
this = dllist.first
while this != None:
copy_dllist.insert(this.value)
this = this.next
return copy_dllist
def test_node_after_popright(self):
ll = dllist([1, 2])
del_node = ll.last
ll.popright()
self.assertIs(del_node.prev, None)
self.assertIs(del_node.next, None)
self.assertIs(del_node.owner, None)
def refine(partition_class):
"""
Parameters:
partition_class - a partition class with vertices
stack - a stack is lists of friends"""
partition = dllist([partition_class])
partition.first.value.update_partition_class_link(partition.first)
while partition_class.stack:
top = partition_class.stack.pop()
for u in top:
u.partition_class.value.move_vertex(u)
for u in top:
if u.partition_class.value.splittable:
u.partition_class.value.splittable = False
left = u.partition_class.value.split()
u.partition_class = partition.insert(PartitionClass(left),
u.partition_class)
u.partition_class.value.update_partition_class_link(
u.partition_class)
for partition_class in partition:
for u in partition_class.elements:
u.refined = True
return [partition_class.elements for partition_class in partition]
def test_rotate_right_empty(self):
for n in py23_xrange(4):
ll = dllist()
ll.rotate(n)
self.assertEqual(ll.first, None)
self.assertEqual(ll.last, None)
self.assertEqual(ll.size, 0)
def __init__(self):
self.queue = dllist()
self.priority = [self.queue.append(PriorityMarker(i)) for i in range(self.priorities)]
self.judges = set()
self.node_map = {}
self.submission_map = {}
self.lock = RLock()
def do_once(self):
dlist = dllist(xrange(0, 40))
while True:
try:
dlist.pop()
except ValueError:
return
dlist.rotate(3)
def __init__(self, unskilled_score=None, variance=None, backlog_history=None, single_version=False):
super(Pool, self).__init__(single_version)
self.workers = set()
self.nworkers = 0
self.unskilled = llist.dllist()
self.skilled = {} # rclass -> {[(score, workers)]}
self.event = gevent.event.Event()
_init_backlog(self)
self.update_settings(dict(unskilled_score=unskilled_score, variance=variance, backlog_history=backlog_history))
def __create_vector__(self, size):
'''
Creates a new vector and initializes it to a specified size.
Arguments: size - The size of the vector.
'''
vector = list()
for counter in range(size):
vector.append(dllist())
return vector
def __init__(self, trackway, path):
""" A Scenario is built around the dictionary entries, which
consists of four keys corresponding to the four limbs ('lp', 'rp',
'lm', and 'rm'). The value associated with each key is a doubly-
linked list (dllist) of entries, which comprise an ordered sequence
of tracks. Each entry is a dictionary of six key-value pairs:
the name, uid, x, y, dx, and dy for a given track. Each of the four
sequences represents an an hypothesized sequence of tracks created
by one limb ('lp', say). Each track sequence can be edited to
modify the contents of any entry, or to add/remove entries. """
self.entries = dict(
lp=dllist(),
rp=dllist(),
lm=dllist(),
rm=dllist())
self.trackway = trackway
self.load(trackway, path)
def generate_lucky_list(max_num):
lucky_numbers = dllist(range(1, max_num + 1, 2))
multiple_node = lucky_numbers.nodeat(1)
while multiple_node != None:
removed_multiple = multiple_node()
if removed_multiple >= len(lucky_numbers):
break
removed_pos = removed_multiple - 1
while removed_pos < len(lucky_numbers):
del lucky_numbers[removed_pos]
removed_pos += removed_multiple - 1
multiple_node = multiple_node.next
return lucky_numbers
def __init__(self,
unskilled_score=None, variance=None, backlog_history=None,
single_version=False):
self.workers = set()
self.nworkers = 0
self.unskilled = llist.dllist()
self.skilled = {} # rclass -> {[(score, workers)]}
self.event = gevent.event.Event()
_init_backlog(self)
self.single_version = single_version
if single_version:
# {version -> {worker}}
self.byversion = collections.defaultdict(set)
self.version = None
self.update_settings(dict(
unskilled_score=unskilled_score,
variance=variance,
backlog_history=backlog_history))
def main():
# I import the list, node to insert and node to delete as they were initialized in main
setup = """\
from __main__ import lst, nodeDel, nodeIns
"""
# Saving running times to a file
f = open('delete.csv','w')
g = open('insert.csv','w')
# Using large enough data structure sizes to observe any differences
for i in range(20000,100000,1000):
# The global keyword is needed as I modify global variables
global lst; global nodeDel; global nodeIns
sys.stderr.write(str(i)+"\n")
# Initializing the doubly linked list
size = i; values=randomvalues(size)
lst=dllist(values)
delTime = 0; insTime = 0
# I measure average times of 100 runs
for jj in range(100):
# Pick random integers with linked list range for inserting and deleting
valueToDelete=randint(0,size-1)
valueToInsert=randint(0,size-1)
nodeDel = lst.nodeat(valueToDelete)
nodeIns = lst.nodeat(valueToInsert)
try:
# Measure delete time and then insert the deleted node to keep linked list size constant
t=timeit.Timer(stmt="lst.remove(nodeDel)",setup=setup)
delTime += t.timeit(number=1); lst.insert(values[valueToDelete])
# Measure insert time and then delete the inserted item to keep linked list size constant
t2=timeit.Timer(stmt="lst.insert(nodeIns)",setup=setup)
insTime += t2.timeit(number=1); lst.remove(nodeIns)
except ValueError:
# Sometimes there are errors, ignoring those
sys.stderr.write("Broken at "+str(i)+"\n")
continue
# Save average results to a file
g.write(str(i)+"\t"+str(1000*insTime/100)+"\n")
f.write(str(i)+"\t"+str(1000*delTime/100)+"\n")
def __init__(self):
self.main_stack = dllist()
self.min_stack = []
def __init__(self, single_version=False):
super(ClasslessPool, self).__init__(single_version)
self.backlog = 0
self.workers = set()
self.line = llist.dllist()
self.event = gevent.event.Event()
def bottom_up(data, k, calc_error=sqr_residual, max_error=float('inf')):
'''
Merge time series data points to produce trend segments
using bottom-up method where k is the average segment length.
The data should be a list of values.
Terminates when average segment length is more than k.
OR
If max_error > 0, when the maximum error of any
segment (in terms of a residual with the original data underlying the
segment) has reached the limit.
calc_error(segment, data) provides the specific implementation to
compute the error of a segment.
Returns a subset of the data in the form of [(index, value)].
'''
## INITIALIZATION STEP
n = len(data)
# split into segments of length 2
# a segment is of the form ((index, value), (index, value))
segments = [((2*i,data[2*i]), (2*i+1,data[2*i+1])) for i in xrange(n/2)]
# create linked list of pairs of segments
# and a heap dictionary of (pair -> residual error)
pairs = llist.dllist()
res_heap = hd.heapdict()
for i in xrange(len(segments)-1):
# create the pair
left = segments[i]
right = segments[i+1]
seg_pair = (left, right)
# get the residual error
res = calc_error(merge_segs(left, right), data)
# add to linked list and heap
node = pairs.append(seg_pair)
res_heap[node] = res
## MERGE STEP
# merge segments while number of segments at most n/k
while len(pairs) > n/k:
pair, res = res_heap.popitem()
if res > max_error:
break
new_seg = merge_segs(pair.value[0], pair.value[1])
# update second segment of left pair in linked list and also
# delete old left pair from heap and re-add new pair with new res
left = pair.prev
if left != None:
del res_heap[left]
lpair = left.value
left.value = (lpair[0], new_seg)
merged = merge_segs(left.value[0], left.value[1])
res_heap[left] = calc_error(merged, data)
# update first segment of right pair
right = pair.next
if right != None:
del res_heap[right]
rpair = right.value
right.value = (new_seg, rpair[1])
merged = merge_segs(right.value[0], right.value[1])
res_heap[right] = calc_error(merged, data)
# remove old pair from pairs linked list
pairs.remove(pair)
# form a list of (index, value) keeping
# only the values after being segmented
segmented_data = []
# retrieve unique segments
head = pairs.first
while head != None:
unique_seg = head.value[0]
segmented_data.append(unique_seg[0])
segmented_data.append(unique_seg[1])
head = head.next
# add the last data point
segmented_data.append(pairs.last.value[1][1])
return segmented_data
def __init__(self, logger = None, size = 2):
log = logger
self._size = size
self._hash_map = {}
self._queue = dllist()
from llist import dllist, dllistnode
import time
base_ls=[1,2,3,4,5,6]
lst=dllist(base_ls)
nod=lst.first
def dis():
if(len(base_ls)==0):
print("Empty Linked_list")
proceed()
else:
print("Display Linked_list")
for i in range(len(base_ls)):
print("Key-->",i,"Value-->",base_ls[i])
print(lst)
proceed()
def inser():
print("---------------------------------------------------------------------------")
print("Select Your Option:\n---------------------------------------------------------------------------")
print("1.Insert at begin.|\t2.Insert at Last.|\t3.Insert in Between.\n---------------------------------------------------------------------------")
sam=int(raw_input("Enter your option:"))
if(sam==1):
a=input("Enter the Value to insert:")
print("Before Insert:",lst)
lst.appendleft(a)
print("After Insert:",lst)
proceed()
elif(sam==2):
a=input("Enter the Value to insert:")
print("Before Insert:",lst)
lst.appendright(a)
def __init__(self):
if dllist is None:
raise Exception('Unable to construct lru:// - "llist" and "pyllist" modules are not available')
self._list = dllist()
self._lock = Lock()
lru.checkempty(app_launched)
historylist.appendleft(app_launched)
def readinglogs(self, maxsize, filename):
'''Reading the log file'''
txt = open(filename)
print "The log file used is %r: " % filename
global logs
logs = [line.strip() for line in open(filename)]
# print '\n'.join(logs)
lru.pushapplications(maxsize,logs)
if __name__ == "__main__":
lru = LruCache()
dlist = dllist()
historylist = dllist()
script, filename = argv
maxsize =16
lru.readinglogs(maxsize, filename)
print '#' * 80
print 'Final Contents of Stack => \n',dlist
print 'Stack Size = ',dlist.size
print 'Total hits = ', hits
print 'Total misses = ', misses
print 'Total Application Reboots = ', reboots
print '#' * 80
def push(self, x):
"""Push element x onto the heap."""
self._root = _meld(self._root, _Node(x, dllist()))
self._nelems += 1
if x is not self._root.key: #returns ref to dllistnode
return self._root.sub.last #in which x is now
