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rankedvote

Simple Ranked Voting with Schulze and STV

https://github.com/sneakyhulk/rankedvote

Science Score: 44.0%

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Repository

Simple Ranked Voting with Schulze and STV

Basic Info
  • Host: GitHub
  • Owner: sneakyHulk
  • License: mit
  • Language: Python
  • Default Branch: master
  • Homepage:
  • Size: 9.77 KB
Statistics
  • Stars: 1
  • Watchers: 0
  • Forks: 0
  • Open Issues: 0
  • Releases: 0
Created 7 months ago · Last pushed 7 months ago
Metadata Files
Readme License Citation

README.md

RankedVote — Simple Ranked Voting with Schulze and STV

RankedVote is a lightweight and easy-to-use Python library for doing ranked-choice elections, with built-in support for:

  1. Schulze method
    • Supports partial ballots and tied rankings
  2. Single Transferable Vote (STV)
    • Supports partial ballots

Installation

You can install directly from GitHub:

bash pip install git+https://github.com/sneakyHulk/rankedvote.git

Example Usage

```python from rankedvote.methods import schulze, stv from rankedvote.output import output

votes = [ ["E", "F", "B", "A", "D", "G", "H", "I"], ["A", "B", "E", "G", "H"], ["D", "A", "E", "F", "B", "I", "H", "G"], ["E", "I", "B", "A", "D", "F", "G", "H"], ["A", "F", "E", "B", "D", "I", "H", "G"], ["A", "I", "F", "B", "D", "H", "E", "G"], ["A", "B", "E", "D", "F", "I", "G", "H"], ["A", "F", "I", "B", "D", "E", "G", "H"], ["A", "E", "B", "D", "I", "F", "H", "G"], ["I", "B", "D", "E", "F", "G"], ["D", "G", "B", "E", "F", "A", "I", "H"], ["E", "A", "D", "B", "F", "H", "G"], ["A", "I", "F", "B", "D", "G", "H", "E"], ["A", "I", "D", "B", "F", "E", "G", "H"], ["A", "E", "D", "B", "G", "H"], ["D", "I", "E", "F", "A", "B", "G", "H"], ["A", "E", "G", "I", "F", "D", "H", "B"] ]

Schulze Method

print("Schulze:") rankings, positions = schulze(votes) output((rankings, positions))

STV Method

print("STV:") rankings, positions = stv(votes) output((rankings, positions)) ```

Output

text Schulze: 1. ['A'] 2. ['D', 'E'] 4. ['I'] 5. ['B', 'F', 'G', 'H'] STV: 1. ['A'] 2. ['E'] 3. ['B'] 4. ['D'] 5. ['I'] 6. ['F'] 7. ['G'] 8. ['H']

Owner

  • Name: Lukas
  • Login: sneakyHulk
  • Kind: user

Citation (CITATION.cff) 

# This CITATION.cff file was generated with cffinit.
# Visit https://bit.ly/cffinit to generate yours today!

cff-version: 1.2.0
title: RankedVote
message: Thanks for using RankedVote - have fun with it!
type: software
authors:
  - given-names: Lukas
    family-names: Heyn
    orcid: 'https://orcid.org/0009-0006-1896-9444'
license: MIT

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Dependencies

pyproject.toml pypi
  • pyrankvote *
  • python3-vote-core *
  • setuptools <81