
A generic priority queue for Python - Stack Overflow
I need to use a priority queue in my Python code, and: am looking for any fast implementations for priority queues optimally, I'd like the queue to be generic (i.e. work well for any object with a
How to implement Priority Queues in Python? - Stack Overflow
Apr 2, 2012 · The priority queue suggestions shown in the heapq docs are meant to show how to add additional capabilities to a priority queue (such as sort stability and the ability to change the priority of …
python - How to put items into priority queues? - Stack Overflow
Just use the second item of the tuple as a secondary priority if a alphanumeric sort on your string data isn't appropriate. A date/time priority would give you a priority queue that falls back to a FIFIO queue …
python - Priority Queue with Tuples and Dicts - Stack Overflow
Oct 23, 2016 · As a component of the problem, I need a fast access to the smallest heuristic value in LIFO order. Python's priority queue looked best. My data structure was already a list of dictionaries …
priority queue - Custom comparator for building PriorityQueue in …
Sep 12, 2019 · Iam trying to build a priority queue using PriorityQueue in Python, but instead of element to be considered for priority comparison, I want it to use the return value from a function after passing ...
How to use queue.PriorityQueue as maxheap - Stack Overflow
Dec 19, 2016 · How to use queue.PriorityQueue as maxheap? The default implementation of queue.PriorityQueue is minheap, in the documentation also there is no mention whether this can be …
python - How to iterate over a Priority Queue? - Stack Overflow
I'm trying to implement the Uniform-cost search in Python and for that, I need a priority queue, which I'm using queue.py from the standard library. However, the end of the algorithm checks if ther...
Priority Queue in python - Stack Overflow
Mar 2, 2014 · I am adding data in priority queue in the form of (priority,data) but when I use the function get(), I get back my priority instead of data. Also, if I add in the form of (data,priority), it is sor...
python - Priority queue with two priority values - Stack Overflow
The usual way to make a priority queue in Python is using the heapq module 's functions to manipulate a list. Since the whole value is compared, we can simply put our two priorities along with a value into a …
python - How to update priority of an entry in a PriorityQueue? - Stack ...
Apr 26, 2020 · 1 The python documentation for PriorityQueue doesn't have a direct method to search a value inside Queue objects. Edit: The PriorityQueue is implemented as a binary heap so changing …