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except IndexError as ex:
ex.args = ('DEPQ is empty',)
raise"
1599,"def last(self):
""""""Gets item with lowest priority. Performance: O(1)""""""
with self.lock:
try:
return self.data[-1][0]
except IndexError as ex:
ex.args = ('DEPQ is empty',)
raise"
1600,"def high(self):
""""""Gets highest priority. Performance: O(1)""""""
with self.lock:
try:
return self.data[0][1]
except IndexError as ex:
ex.args = ('DEPQ is empty',)
raise"
1601,"def low(self):
""""""Gets lowest priority. Performance: O(1)""""""
with self.lock:
try:
return self.data[-1][1]
except IndexError as ex:
ex.args = ('DEPQ is empty',)
raise"
1602,"def clear(self):
""""""Empties DEPQ. Performance: O(1)""""""
with self.lock:
self.data.clear()
self.items.clear()"
1603,"def set_maxlen(self, length):
""""""Sets maxlen""""""
with self.lock:
self._maxlen = length
while len(self.data) > length:
self._poplast()"
1604,"def count(self, item):
""""""Returns number of occurrences of item in DEPQ. Performance: O(1)""""""
try:
return self.items.get(item, 0)
except TypeError:
return self.items.get(repr(item), 0)"
1605,"def remove(self, item, count=1):
""""""Removes occurrences of given item in ascending priority. Default
number of removals is 1. Useful for tasks that no longer require
completion, inactive clients, certain algorithms, etc. Returns a
list of tuple(item, priority). Performance: O(n)""""""
with self.lock:
try:
count = int(count)
except ValueError as ex:
ex.args = ('{} cannot be represented as an '
'integer'.format(count),)
raise
except TypeError as ex:
ex.args = ('{} cannot be represented as an '
'integer'.format(count),)
raise
removed = []
self_items = self.items
try:
item_freq = self_items[item]
item_repr = item
if item_freq == 0:
return removed
except TypeError:
item_freq = self_items[repr(item)]
item_repr = repr(item)
if item_freq == 0:
return removed
if count == -1:
count = item_freq
self_data = self.data
rotate = self_data.rotate
pop = self_data.pop
counter = 0
for i in range(len(self_data)):
if count > counter and item == self_data[-1][0]:
removed.append(pop())
counter += 1
continue
rotate()
if item_freq <= count:
del self_items[item_repr]
else:
self_items[item_repr] -= count
return removed"
1606,"def DatabaseEnabled(cls):
""""""Given persistence methods to classes with this annotation.