v2.3.1

2.3.1 - 2025-06-13

Changed

• Migrated from setup.py to modern pyproject.toml packaging with hatchling backend
• Updated minimum Python requirement to 3.10+ (removed support for 3.7-3.9)
• Updated GitHub Actions workflows to use modern build tools
• Removed legacy packaging files (setup.py, MANIFEST.in)

Version 2.3.0

2.3.0 - 2024-04-03

Changed

• Updated dependency on automata-lib to version 7.0.1
• Perm.avoids/contains will raise a TypeError if input is not an iterable of Patt

Added

• Now testing on Python 3.11
• 'simple' to the permtool command for checking if finitely many simples in a class

Fixed

• bug in autobisc during setup

Version 2.2.0

2.2.0 - 2021-10-21

Added

• Bijection class for known bijection.
• An implementation of the Simion and Schmidt bijection.
• Enumeration strategy to check whether a class has finitely many simple permutations

Changed

• Perm.to_standard now uses an lru cache

Version 2.1.0

2.1.0 - 2021-06-14

Added

• Statistic: bounce of a permutation.
• Statistic: maximum drop size.
• Statistic: number of primes in the column sums.
• Statistic: holeyness of a permutation.
• Algorithm: pop stack sort.
• Statistic: count stack sorts.
• Statistic: count pop stack sorts.
• Statistic: Pinnacle set and number of pinnacles.

Changed

• Functions for ascents and descents now take an optional argument to specify what step size to calculate.
• Moved sorting functions from permuta/bisc/perm_properties.py to permuta/patterns/perm.py.

Version 2.0.4

2.0.3/4 - 2021-04-28

Added

• using Github Actions for testing and deployment
• containment_to_tikz method in Perm that returns an iterator of tikz pictures
  displaying occurrences of classical patterns in self.
• permuta.permutils.PermutationStatistic to check statistic distribution in
  classes and preservation and transformation in bijections.

Deprecated

• Python 3.6 is no longer supported

Note: This is a duplicate of v2.0.3 release for zenodo.

Version 2.0.3

2.0.3 - 2021-04-28

Added

• using Github Actions for testing and deployment
• containment_to_tikz method in Perm that returns an iterator of tikz pictures
  displaying occurrences of classical patterns in self.
• permuta.permutils.PermutationStatistic to check statistic distribution in
  classes and preservation and transformation in bijections.

Deprecated

• Python 3.6 is no longer supported

Version 2.0.2

2.0.2 - 2020-08-06

Fixed

• Include the type hints in the pypi release.

Version 2.0.1

2.0.1 - 2020-07-23

Fixed

• Typing for apply in Perm fixed. It is now of the same base type as argument.

Version 2.0.0

2.0.0 - 2020-07-20

Added

• Two new tools added to permtools. A command to check if a class has a regular
  insertion encoding, and a command to compute the lexicographically minimal
  basis.
• Typing
• pylint
• clear_cache method in Perm and Av
• up_to_length, of_length, first iterators in Perm and Av
• to_svg for all patterns
• show method for all patterns (opens browser tab)
• Functions returning list (or other data structures) made into generators when possible
• BivincularPatt, VincularPatt, CovincularPatt patterns,
• dihedral_group generator added to permutils
• from_string method to Basis and Av. It accepts both 0 and 1 based perms
  seperated by anything
• Check if polynomial added to cli, which can be used with the poly command

Fixed

• Bisc's resource files now included with pypi package

Changed

• Type and condition checking and Exception throwing changed to assertions
• Basis moved to permset module
• gen_meshpatt moved to meshpatt as of_length generator
• Client now uses Basis.from_string to parse basis

Removed

• Permsets and their interfaces
• Unused algorithms and utils
• Symmetric interfaces
• All rotate function other than rotate
• descriptors module
• sympy dependency

Version 1.5.0

1.5.0 - 2020-06-23

Added

• A quick command line interface to compute the enumeration of a permutation class.
• Perm.skew_decomposition and Perm.sum_decomposition methods.