pddl_plus_parser

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pddl_plus_parser

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A generic parser for PDDL+ and more

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<h1 align="center">
  <b>PDDL Plus Parser</b>
</h1>

## Requirements

## Features

## Changelog:
* version 0.0.1 - Initial release. Support for discrete PDDL domain and problem parsing.
* version 1.0.0 - Major extension to support PDDL 2.1 in terms of numeric actions.
* version 1.1.0 - Added support for Metric-FF solutions parsing.
* version 1.2.0 - Added support for ENHSP solution parsing.
* version 1.3.0 - Added problem generators for some domains used in the experiments. 
* version 1.4.0 - Added negative preconditions for actions.
* version 2.0.0 - Added support for multi-agent PDDL domains and problems.
* version 2.1.0 - Added support for more complex type of multi-agent trajectories to support non-trivial interactions. 
* version 2.2.0 - Added support for domains with disjunctive numeric preconditions.
* version 3.0.0 - Added support for conditional effect without existential quantification and only conjunctive conditions.
* version 3.1.0 - Added support for universal effects containing only conjunctive conditions.
* version 3.1.4 - Added support for inapplicable actions and fixed a minor logical bug in the universal effects.
* version 3.3.0 - Added support for nested action schemas including universal preconditions.
* version 3.5.0 - Added simplification of numeric expression. This helps to prevent getting too complicated preconditions.
* version 3.5.7 - Added support for problem exportation to PDDL from a problem object.
* version 3.5.8 - Fixed a bug that displayed power expressions in PDDL even though this is not supported by the language.
* version 3.6.5 - performance **boost** for the tokenizer - credit @yarin-benyamin.
* version 3.7.0 - Added the ability to simplify preconditions by eliminating variables that are redundant and thus reducing the general size of the conditions.
* version 3.8.0 - Added code to better support multi-agent domains and problems.
* version 3.8.9 - Added bug fixes to the numeric expressions simplification.
* version 3.9.0 - Added the ability to query the size of an observation.
* version 3.10.0 - Added the ability to handle untyped domains and domains containing predicates / functions / actions where their parameters are grouped to the same type.
* version 3.10.2 - Added the ability to convert a string representing a predicate into a Predicate object.
* version 3.10.3 - Added the ability to support larger numerical error when comparing numbers.
* version 3.10.5 - Fixed a bug in the plan parser that caused the creation of invalid joint actions.
* version 3.11.0 - Added functionality to represent type hierarchy as a graph and iterate over it. 
* version 3.12.0 - Supporting zipping numeric multi-agent plans to some degree.
* version 3.13.0 - Added the ability to easily change the signature of the domain elements.
* version 3.13.6 - Added the is_masked property to the GroundedPredicate class.
* version 3.14.0 - Starting to address unsuccessful state transitions - for online action model learning algorithms.
* version 3.14.1 - Added the correct hashing of predicates.
* version 3.14.2 - Added the support for negative goal conditions.
* version 3.14.3 - Added the support for extended functionality in the Domain and Action classes.
* version 3.15.0 - Added the ability to parse trajectories with transition statuses.
* version 3.15.1 - Added the ability to parse trajectories from strings as well as from files.
* version 3.15.2 - Fixed bug that was caused when some numeric functions were missing from the state.
* version 3.15.6 - Added the __eq__ operator to the ActionCall class.
* version 3.16.0 - Added the vocabulary creator class to provide the functionality across different applications.
* version 3.17.0 - Optimized the applicability checks using short-circuiting.

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