A state-of-the-art vehicle routing problem solver.

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  • License: MIT License (MIT)
  • Author: Niels Wouda
  • Requires: Python >=3.8, <4.0
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Project description

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PyVRP

The pyvrp package is an open-source, state-of-the-art vehicle routing problem solver.

pyvrp may be installed in the usual way as

pip install pyvrp

This also resolves the few core dependencies pyvrp has. The documentation is available here.

If you are new to metaheuristics or vehicle routing, you might benefit from reading the introduction to HGS for VRP page.

Examples

We provide some example notebooks that show how the pyvrp package may be used to solve vehicle routing problems. These include:

  • The vehicle routing problem with time windows (VRPTW), here. We solve several instances from the literature, including a large 1000 customer instance.
  • The capacitated vehicle routing problem, here. We solve an instance with 439 customers to near optimality within 30 seconds.

Contributing

We are very grateful for any contributions you are willing to make. Please have a look here to get started. If you aim to make a large change, it is helpful to discuss the change first in a new GitHub issue. Feel free to open one!

Getting help

If you are looking for help, please follow the instructions here.

How to cite PyVRP

TODO

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  • License: MIT License (MIT)
  • Author: Niels Wouda
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0.13.3

0.13.2

0.13.1

0.12.2

0.12.1

0.12.0

0.11.3

0.11.2

0.11.1

0.11.0

0.10.1

0.10.0 yanked

Reason this release was yanked:

This version has a known bug involving client groups. Please upgrade to the otherwise identical release 0.10.1, where this bug has been fixed.

0.9.1

0.9.0

0.8.2

0.8.1 yanked

Reason this release was yanked:

This release is known broken on Windows. Please upgrade to 0.8.2, which patches the issue and is entirely compatible with 0.8.1.

0.7.0

0.6.3

0.6.2

0.6.1

0.6.0

0.5.0

0.4.4

0.4.2

0.4.1 yanked

Reason this release was yanked:

this release contains a known segfault condition that is fixed in pyvrp==0.4.2

0.3.0

0.2.1

This version

0.1.0

0.0.3a4 pre-release

0.0.3a1 pre-release

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