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CHANGELOG.md

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Change Log

[0.4.1] (2024-11-29)

  • If first parameter of a @calc_node is called self, then it can be used to call non-calc_node methods of the class. (Can be disabled with @ComputationFactory(ignore_self=False) or @calc_node(ignore_self=False) ).
  • Add support for convertors to force input and calc node values to a particular type/form
  • Add support for serializing nodes that are computations
  • create_viz_dag now takes a list of node_formatters, which apply arbitrary formatting to the visualization node based on the lomnan node (Included NodeFormatters are ColorByState, ColorByTiming, ShapeByType, StandardLabel, StandardGroup, StandardStylingOverrides)
  • Fix ReadTheDocs build
  • Convert documentation from reStructuredText to MyST Markdown

[0.4.0] (2024-08-22)

  • Removed Python 2 support
  • Changed test framework from nose to pytest
  • Add compute_and_get_value, x attribute-style access to compute value of a node and get it in one step
  • Replace namedtuples with dataclasses
  • BUGFIX: Fix equality testing on Computation.insert
  • Use DataFrame.equals and Series.equals to test equality in Computation.insert
  • BUGFIX: Fix handling of groups in rendering functions

[0.3.0] (2019-10-24)

  • Added get_original_inputs to see source inputs of entire computation or a given set of nodes
  • Added get_outputs, o attribute-style access to get list of nodes fed by a particular node
  • Added get_final_outputs to get end nodes of a computation or a given set of nodes
  • Added restrict method to remove nodes unnecessary to calculate a given set of outputs
  • Added rename_node method to rename a node, while ensuring that nodes which use it as an input continue to do so
  • Added repoint method allowing all nodes which use a given node as an input to use an alternative node instead
  • Documented get_inputs and i attribute-style accessor

[0.2.1] (2017-12-29)

  • Added class-style definitions of computations

[0.2.0] (2017-12-05)

  • Added support for multithreading when calculating nodes
  • Update to use networkx 2.0
  • Added print_errors method
  • Added force parameter to insert method to allow no recalculation if value is not updated
  • BUGFIX: Fix behavior when calculation node overwritten with value node

[0.1.3] (2017-07-02)

  • Methods set_tag and clear_tag support lists or generators of tags. Method nodes_by_tag can retrieve a list of nodes with a specific tag.
  • Remove set_tags and clear_tags.
  • Add node computation timing data, accessible through tim attribute-style access or get_timing method.
  • compute method can accept a list of nodes to compute.
  • Loman now uses pydotplus for visualization. Internally, visualization has two steps: converting a Computation to a networkx visualization DAG, and then converting that to a pydotplus Dot object.
  • Added view method - creates and opens a temporary pdf visualization.
  • draw and view methods can show timing information with colors='timing' option

[0.1.2] (2017-04-28)

  • Add @node function decorator
  • Add ConstantValue (with alias C) to provide constant values to function parameters without creating a placeholder node for that constant
  • BUGFIX: Visualizing computations was broken in v0.1.1!

[0.1.1] (2017-04-25)

  • Support for Python 3.4 and 3.5
  • Method and attribute-style accessors support lists of nodes
  • Added support for node-tagging
  • Compute method can optionally throw exceptions, for easier interactive debugging
  • get_inputs method and i attribute-style access to get list of inputs to a node
  • add_node takes optional inspect parameter to avoid inspection for performance
  • add_node takes optional group to render graph layout with subgraphs
  • draw_graphviz renamed to draw
  • draw_nx removed
  • get_df renamed to to_df
  • get_value_dict renamed to to_dict
  • BUGFIX: implementation of _get_calc_nodes used by compute fixed
  • BUGFIX: args parameters do not create spurious nodes
  • BUGFIX: default function parameters do not cause placeholder node to be created
  • BUGFIX: node states correctly updated when calling add_node with value parameter

[0.1.0] (2017-04-05)

  • Added documentation: Introduction, Quickstart and Strategies for Use
  • Added docstrings to Computation methods
  • Added logging
  • Added v and s fields for attribute-style access to values and states of nodes
  • BUGFIX: Detect cycles in compute_all

[0.0.1] (2017-03-24)

  • Computation object with add_node, insert, compute, compute_all, state, value, set_stale methods
  • Computation object can be drawn with draw_graphviz method
  • Nodes can be updated in place
  • Computation handles exceptions in node computation, storing exception and traceback
  • Can specify mapping between function parameters and input nodes
  • Convenience methods: add_named_tuple_expansion, add_map_node, get_df, get_value_dict, insert_from, insert_multi
  • Convenience method
  • Computation objects can be serialized
  • Computation objects can be shallow-copied with copy
  • Unit tests
  • Runs under Python 2.7, 3.6