Version 1.3.0

Version 1.3.0 now provides functions to writing VRPLIB-style instances and solutions! Moreover, the download module has been deprecated and will be removed in the next major version release.

Changes

• Add DeprecationWarning to download module (3f864c9)
• Write instances and solutions (#109)

Version 1.2.0

vrplib now supports line comments using the # syntax. Introduced in #104 by @N-Wouda.

Version 1.1.0

Changes

• Allow directory paths to download functions #87.
• Raise errors when the instance file does not conform to specified format #83.
• Allow depot section to contain no end token #83.
• Optional argument to compute edge weights #98.
• Describe instance and solution formats in README #96

Version 1.0.1

Changes

• Speed up parsing distance matrix: #68
• Add timeout to download: #75
• Check that depot sections ends with -1: #72

Version 1.0.0

VRPLIB 1.0.0 release notes

Features

• Read VRPLIB and Solomon instances, as well as solutions
• Download instances and solutions from CVRPLIB

Version 0.1.2 (deprecated)

Last release of cvrplib. Adds a deprecation statement to the README and points to vrplib.

Version 0.1.1

Bugfix list_names, which now correctly reads the file instance_names.csv when the package is installed.

Version 0.1.0

Initial release of cvrplib, a Python library for reading and downloading instances from CVRPLIB.

• Provides three functions: read, download and list_names.
• Supports reading and downloading for all CVRP and VRPTW instances.