dbprocessing.DBqueue.DBqueue

class dbprocessing.DBqueue.DBqueue

General deque

Extension to deque to add methods popiter() and popleftiter().

__init__(*args, **kwargs)

Methods

append	Add an element to the right side of the deque.
appendleft	Add an element to the left side of the deque.
clear	Remove all elements from the deque.
copy	Return a shallow copy of a deque.
count(value)
extend	Extend the right side of the deque with elements from the iterable
extendleft	Extend the left side of the deque with elements from the iterable
index(value, [start, [stop]])	Raises ValueError if the value is not present.
insert	D.insert(index, object) -- insert object before index
pop	Remove and return the rightmost element.
popiter()	Allow a for loop to iterate and pop items from the DBqueue
popleft	Remove and return the leftmost element.
popleftiter()	Allow a for loop to iterate and pop items from the DBqueue
remove	D.remove(value) -- remove first occurrence of value.
reverse	D.reverse() -- reverse IN PLACE
rotate	Rotate the deque n steps to the right (default n=1).

Attributes

maxlen

append()

Add an element to the right side of the deque.

appendleft()

Add an element to the left side of the deque.

clear()

Remove all elements from the deque.

copy()

Return a shallow copy of a deque.

count(value) → integer -- return number of occurrences of value

extend()

Extend the right side of the deque with elements from the iterable

extendleft()

Extend the left side of the deque with elements from the iterable

index(value[, start[, stop]]) → integer -- return first index of value.

Raises ValueError if the value is not present.

insert()

D.insert(index, object) – insert object before index

pop()

Remove and return the rightmost element.

popiter()

Allow a for loop to iterate and pop items from the DBqueue

Yields

any

Rightmost (last) item in queue.

Examples

>>> a = DBqueue([1,2,3])
>>>  for i in a.poptiter():
...:     print(i)
3
2
1

popleft()

Remove and return the leftmost element.

popleftiter()

Allow a for loop to iterate and pop items from the DBqueue

Yields

any

Leftmost (0th) item in queue.

Examples

>>> a = DBqueue([1,2,3])
>>>  for i in a.popleftiter():
...:     print(i)
1
2
3

remove()

D.remove(value) – remove first occurrence of value.

reverse()

D.reverse() – reverse IN PLACE

rotate()

Rotate the deque n steps to the right (default n=1). If n is negative, rotates left.

maxlen

maximum size of a deque or None if unbounded

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Release: 0.1.0 Doc generation date: Feb 10, 2022