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What is csp_project?

rajprateek/csp_project — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2015-12-18

PythonAudience · researcherComplexity · 2/5DormantSetup · easy

In one sentence

A Python solver for constraint satisfaction problems, demonstrated on the classic Australia map-coloring puzzle where neighboring regions can't share a color.

Mindmap

mindmap
  root((csp_project))
    Inputs
      Map graph
      Neighbor constraints
      Available colors
    Outputs
      Valid color assignment
      Satisfied constraints
    Use Cases
      Learn constraint satisfaction
      Study map coloring
      Explore scheduling logic
    Tech Stack
      Python

Code map

Detail Auto

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filefunction / class

What do people build with it?

USE CASE 1

Run the map-coloring example to see how a constraint satisfaction solver assigns colors to regions.

USE CASE 2

Study the algorithm as a learning example before building your own scheduling or timetable solver.

USE CASE 3

Adapt the graph-based approach to model a different constraint problem, like Sudoku.

What is it built with?

Python

How does it compare?

rajprateek/csp_project0xallam/my-recipe0xhassaan/nn-from-scratch
Stars——0
LanguagePythonPythonPython
Last pushed2015-12-182022-11-22—
MaintenanceDormantDormant—
Setup difficultyeasymoderatemoderate
Complexity2/52/54/5
Audienceresearchergeneraldeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · easy Time to first run · 30min

README doesn't detail the exact algorithm (backtracking vs. constraint propagation), read the code for specifics.

License is not stated in the available content.

Copy-paste prompts

Prompt 1
Walk me through how this map-coloring solver represents the Australia map as a graph of constraints.
Prompt 2
Explain the pruning strategy this solver uses to avoid brute-force checking of every color combination.
Prompt 3
Help me adapt this constraint satisfaction solver to a scheduling problem instead of map coloring.
Prompt 4
Show me how to add a new region and constraint to the map-coloring example in this project.

Frequently asked questions

What is csp_project?

A Python solver for constraint satisfaction problems, demonstrated on the classic Australia map-coloring puzzle where neighboring regions can't share a color.

What language is csp_project written in?

Mainly Python. The stack also includes Python.

Is csp_project actively maintained?

Dormant — no commits in 2+ years (last push 2015-12-18).

What license does csp_project use?

License is not stated in the available content.

How hard is csp_project to set up?

Setup difficulty is rated easy, with roughly 30min to a first successful run.

Who is csp_project for?

Mainly researcher.

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