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CHANGELOG

0.1.0 - 14.11.2022

  • initial commit
  • added rb-dual-motifs dataset
  • added tadf dataset

0.2.0 - 15.11.2022

  • Added module visual_graph_datasets.cli
  • Improved installation process. It's now possible to install in non-editable mode
  • Added tests
  • Added function get_dataset_path which returns the full dataset path given the string name of a dataset.

0.3.0 - 16.11.2022

  • Added the dataset movie_reviews which is a natural language classification dataset which was converted into a graph dataset.
  • Extended the function visual_graph_datasets.data.load_visual_graph_dataset to be able to load natural language text based graph datasets as well.

0.4.0 - 29.11.2022

Completely refactored the way in which datasets are managed.

  • by default the datasets are now stored within a folder called .visual_graph_datasets/datasets within the users home directory, but the datasets are no longer part of the repository itself. Instead, the datasets have to be downloaded from a remote file share provider first. CLI commands have been added to simplify this process. Assuming the remote provider is correctly configured and accessible, datasets can simply downloaded by name using the download CLI command.
  • Added visual_graph_datasets.config which defines a config singleton class. By default this config class only returns default values, but a config file can be created at .visual_graph_datasets/config.yaml by using the config CLI command. Inside this config it is possible to change the remote file share provider and the dataset path.
  • The CLI command list can be used to display all the available datasets in the remote file share.

0.5.0 - 02.11.2022

  • Somewhat extended the AbstractFileShare interface to also include a method check_dataset which retrieves the files shares metadata and then checks if the provided dataset name is available from that file share location.
  • Added the sub package visual_graph_datasets.generation which will contain all the functionality related to the generation of datasets.
  • Added the module visual_graph_datasets.generation.graph and the class GraphGenerator which presents a generic solution for graph generation purposes.
  • Added the sub package visual_graph_datasets.visualization which will contain all the functionality related to the visualization of various different kinds of graphs
  • Added the module visual_graph_datasets.visualization.base
  • Added the module visual_graph_datasets.visualization.colors and functionality to visualize grayscale graphs which contain a single attribute that represents the grayscale value
  • Added a experiments folder which will contain pyxomex experiments
  • Added an experiment generate_mock.py which generates a simple mock dataset which will subsequently be used for testing purposes.
  • Extended the dependencies

0.6.0 - 04.12.2022

  • Added module visual_graph_datasets.visualization.importances which implements the visualization of importances on top of graph visualizations.
  • Other small fixes, including a problem with the generation of the mock dataset
  • Added imageio to dependencies

0.6.1 - 04.12.2022

  • Default config now has the public nextcloud provider url

0.6.2 - 04.12.2022

  • Fixed a bug with the list command which crashed due to non-existing terminal color specification

0.6.3 - 06.12.2022

  • Finally finished the implementation of the bundle command.
  • updated the rb_motifs dataset for the new structure and also recreated all the visualizations with a transparent background.
  • Implemented the visualization of colored graphs

0.7.0 - 15.12.2022

  • Changed the config file a bit: It is now possible to define as many custom file share providers as possible under the providers section. Each new provider however needs to have a unique name, which is then required to be supplied for the get_file_share function to actually construct the corresponding file share provider object instance.
  • Added the package visual_graph_datasets.processing which contains functionality to process source datasets into visual graph datasets.
  • Added experiment generate_molecule_dataset_from_csv which can be used to download the source CSV file for a molecule (SMILES based) dataset from the file share and then generate a visual graph dataset based on that.

0.7.1 - 15.12.2022

  • Fixed a bug in the bundle command
  • Added a module visual_graph_datasets.testing with testing utils.

0.7.2 - 16.12.2022

  • Renamed TestingConfig to IsolatedConfig due to a warning in pytest test collection

0.8.0 - 30.12.2022

  • Fixed a bug in experiments.generate_molecule_dataset_from_csv where faulty node positions were saved for the generated visualizations of the molecules
  • Added the experiment experiments.generate_molecule_multitask_dataset_from_csv which generates a molecule based dataset for a multitask regression learning objective using multiple CSVs and merging them together.
  • Fixed a bug in experiments.generate_molecule_multitask_dataset_from_csv where invalid molecules were causing problems down the line. These are being filtered now.
  • Update README.md
  • Added a examples folder

0.9.0 - 30.12.2022

  • Initial implementation of the "dataset metadata" feature: The basic idea is that special metadata files can be added to the various dataset folders optionally to provide useful information about them, such as a description, a version string, a changelog, information about the relevant tensor shapes etc... In the future the idea is to allow arbitrary metadata files which begin with a "." character. For now, the central .meta.yaml file has been implemented to hold the bulk of the textual metadata in a machine readable format.
  • Added a main logger to the main config singleton, such that this can be used for the command line interface.
  • Added the gather cli command which can be used to generate/update the metadata information for a single dataset folder. This will create an updated version of the .meta.yaml file within that folder.
  • Changed the bundle command such that the metadata file is now always updated with the new dataset specific metadata, regardless of whether it exists or not. Additionally, custom fields added to that file which do not interfere with the automatically generated part now persist beyond individual bundle operations.
  • Updated jinja template for list command to be more idiomatic and don't use logic within the template. Additionally extended it with more metadata information that is now available for datasets
  • Switched to the new version of pycomex which introduces experiment inheritance.
  • Started to implement more specific sub experiments using experiment inheritance.

INTERFACE CHANGES

  • The central function load_visual_graph_dataset now has a backward-incompatible signature: The function still returns a tuple of two elements as before, but the first element of that tuple is now the metadata dict of the dataset as it was loaded by load_visual_graph_dataset_metadata

0.9.1 - 27.02.2023

  • changed dependencies to fit together with graph_attention_student
  • Added experiment to generate aggregators_binary dataset

0.10.0 - 20.03.2023

Implemented the "preprocessing" feature. Currently a big problem with the visual graph datasets in general is that they are essentially limited to the elements which they already contain. There is no easy way to generate more input elements in the same general graph representation / format as the elements already in a dataset. This is a problem if any model trained based on a VGD is supposed to be actually used on new unseen data: It will be difficult to process a new molecule for example into the appropriate input tensor format required to query the model.

The "preprocessing" feature addresses this problem. During the creation of each VGD a python module "process.py" is automatically created from a template and saved into the VGD folder as well. It contains all the necessary code needed to transform a domain specific implementation (such as a SMILES code for example) into a new input element of that dataset, including the graph representation as well as the visualization. This module can either be imported to use the functionality directly in python code. It also acts as a command line application.

  • Added the base class processing.base.ProcessingBase. This class encapsulates the previously described pre-processing functionality. Classes inheriting from this automatically act as a command line interface as well.

    • Code for a standalone python module with the same processing functionality can be generated from an instance using the processing.base.create_processing_module function.

  • Added the class processing.molecules.MoleculeProcessing. This class provides a standard implementation for processing molecular graphs given as SMILES strings.

  • Added unittests for base processing functionality

  • Added unittests for molecule processing functionality

  • Extended the function typing.assert_graph_dict to do some more in-depth checks for a valid graph dict

  • Added module generation.color. It implements utility functions which are needed specifically for the generation of color graph datasets.

  • Added the experiment experiment.generate_rb_adv_motifs which generates the synthetic "red-blue adversarial motifs" classification dataset of color graphs.

0.10.1 - 24.03.2023

  • Changed the "config" cli command to also be usable without actually opening the editor. This can be used to silently create or overwrite a config file for example.

0.10.2 - 24.03.2023

  • Fixed a bug in utils.dynamic_import
  • Fixed a bug in data.load_visual_graph_element

0.10.3 - 27.03.2023

  • Changed the version dependency for numpy

0.11.0 - 02.05.2023

  • Slightly changed the generation process of the "rb_adv_motifs" dataset.
  • Added the class of experiments based on experiments.csv_sanchez_lengeling_dataset.py, which convert the datasets from the paper into a single CSV file, which can then be further processed into a visual graph dataset.
  • Added utility function util.edge_importances_from_node_importances to derive edge explanations from the node explanations in cases where they are not created.
  • Started to move towards the new pycomex Functional API with the experiments
  • Added more documentation to typing

Model Interfaces and Mixins

  • Added the visual_graph_datasets.models module which will contain all the code which is relevant for models that specifically work with visual graph datasets
  • Added the models.PredictGraphMixin class, which is essentially an interface that can be implemented by a model class to signify that it supports the predict_graph method which can be used to query a model prediction directly based on a GraphDict object.

Examples

  • Added a examples/README.rst
  • Added examples/01_explanation_pdf

0.12.0 - 05.05.2023

  • Added a section about dataset conversion to the readme file
  • Fixed a bug with the create_processing_module function where it did not work if the Processing class was not defined at the top-level indentation.
  • Changed some dependency versions
  • Moved some more experiment modules to the pycomex functional API

Important

  • Made some changes to the BaseProcessing interface, which will be backwards incompatible
    • Mainly made the base interface more specific such as including "output_path" or "value" as concrete positional arguments to the various abstract methods instead of just specifying args and kwargs

0.12.1 - 20.05.2023

  • Added the Batched utility iterator class which will greatly simplify working in batches for predictions etc.
  • Made some changes to the base molecule processing file
  • Started moving more experiment modules to the new pycomex functional api
  • Added an experiment module to process QM9 dataset into a visual graph dataset.

0.13.0 - 11.06.2023

Additions to the processing.molecules module. Added various new molecular node/features based on RDKit computations.

  • Partial Gasteiger Charges of atoms
  • Crippen LogP contributions of atoms
  • Estate indices
  • TPSA contributions
  • LabuteASA contributions
  • Changed the default experiment generate_molecule_dataset_from_csv.py to now use these additional atom/node features for the default Processing implementation.

Overhaul of the dataset writing and reading process. The main difference is that I added support for dataset chunking. Previously a dataset would consist of a single folder which would directly contain all the files for the individual dataset elements. For large datasets these folders would become very large and thus inefficient for the filesystem to handle. With dataset chunking, the dataset can be split into multiple sub folders that contain a max. number of elements each thus hopefully increasing the efficiency.

  • Added data.DatasetReaderBase class, which contains the base implementation of reading a dataset from the persistent folder representation into the index_data_map. This class now supports the dataset chunking feature.

    • Added data.VisualGraphDatasetReader which implements this for the basic dataset format that represents each element as a JSON and PNG file.

  • Added data.DatasetWriterBase class, which contains the base implementation of writing a dataset from a data structure representation into the folder. This class now supports the dataset chunking feature.

    • Added data.VisualGraphDatasetWriter which implements this for the basic dataset format where a metadata dict and a mpl Figure instance are turned into a JSON and PNG file.

  • Changed the processing.molecule.MoleculeProcessing class to now also support a DatasetWriter instance as an optional argument to make use of the dataset chunking feature during the dataset creation process.

Introduction of COGILES (Color Graph Input Line Entry System) which is a method of specifying colored graphs with a simple human-readable string syntax, which is strongly inspired by SMILES for molecular graphs.

  • Added generate.colors.graph_from_cogiles
  • Added generate.colors.graph_to_cogiles

Bugfixes

  • I think I finally solved the performance issue in generate_molecule_dataset_from_csv.py. Previously there was an issue where the avg write speed would rapidly decline for a large dataset, causing the process to take way too long. I think the problem was the matplotlib cache in the end
  • Also changed visualize_graph_from_mol and made some optimizations there. It no longer relies on the creation of intermediate files and no temp dir either, which shaved of a few ms of computational time.

0.13.1 - 12.06.2023

  • Added the new module graph.py which will contain all GraphDict related utility functions in the future - Added a function to copy graph dicts - Added a function to create node adjecency matrices for graph dicts - Added a function to add graph edges - Added a function to remove graph edges

0.13.2 - 12.06.2023

  • Fixed a bug where ColorProcesing.create would not save the name or the domain representation

0.13.3 - 12.06.2023

  • Fixed a bug where the COGILES decoding procedure produced graph dicts with "edge_attributes" arrays of the incorrect data type and shape.

0.13.4 - 12.06.2023

  • Fixed a bug where the CogilesEncoder duplicated edges in some very weird edge cases!

0.14.0 - 25.10.2023

  • Added the experiment profile_molecule_processing.py to profile and plot the runtime of the different process components that create a visual graph dataset element with the aim of identifying the source of the runtime degradation bug.
  • Fixed the runtime degradation / memory leak issue in generate_molecule_dataset_from_csv.py. It seems like the problem actually wasn't in the code but in the matplotlib backend! The problem clearly occurs when using the TkAgg backend but does not appear when using the Agg backend.
  • Modified the generation of the QM9 dataset in generate_molecule_dataset_from_csv__qm9.py
  • Added the new experiment file generate_molecule_dataset_from_csv__qm9sub.py which generates the QM9 sub dataset which is a smaller subset of QM9 with only 22k elements and 9 target columns.
  • Added the new experiment generate_molecule_dataset_from_csv__aggregators_binary_protonated which processes the larger version of the aggregators dataset where each individual molecule is replaced by all it's protonated variants
  • Added the new background flavor of visualizing the attributional graph masks. In this method, a filled light green circle will be painted behind the nodes of the graph.
  • Slightly modified the ensure_dataset function
  • Updated the readme file
  • Updated the documentation of the standard sub experiments for generate_molecule_dataset_from_csv.py

0.14.1 - 02.01.2024

  • Added a utility function to count how often a subgraph motif appears in a larger graph
  • Added experiment analyze_color_graph_dataset.py to analyze the properties of color graph based datasets

0.14.2 - 22.01.2024

  • Fixed a minor issue where the datasets folder was not created during the config initialization which has led to errors when trying to download a dataset.

0.14.3 - 24.01.2024

  • Added back in the dictionaries defining the alternative versions for the node and edge importance plotting

0.15.0 - 03.03.2024

  • Added some more graph utility functions such as functions to extract sub graphs, add and remove nodes and to identify connected regions of a graph.
  • Added documentation for the ColorProcessing class
  • Changed the ColorProcessing.visualize_as_figure method to now also accept external graph dict parameter and external node_positions array.
  • Modified the generate_molecule_dataset_from_csv.py experiment so that it is now possible to optionally define a indices blacklist of elements that should be skipped during processing.
  • Moved the dependencies to the most recent version of RDKit. This seems to have fixed the issue of the molecule image generation occasionally crashing with a segmentation fault.
  • Added the generic graph type. This is a graph type that can be used to represent any kind of graph that cannot be associated with any kind of specific domain. Added the GenericProcessing class which can be used to process these generic graphs.
  • Modifed the colors_layout function such that it is possible to pass a partially defined list of node_positions as an argument, such that the positions of some nodes can be fixed during the layouting.

0.15.1 - 06.03.2024

  • The "load" method of the Config instance now returns the itself, which is just a small quality of life improvement for the scripts that will use have to use the config instance.
  • Added some additional documentation for the Processing classes

0.15.2 - 06.03.2024

  • Added the function ``create_combined_importances_pdf" to generate a visualization PDF that visualizes the explanations not as separate figures, but all the explanation channels into the same figure, encoding the different channels as different colors.

0.15.3 - 13.03.2024

  • Changed the version requirement to be compatible with newer python versions

0.15.4 - 14.03.2024

  • Fixed the dependency error where utils imported from graph_attention_student have caused a circular import error

0.15.5 - 09.04.2024

  • Extended the ColorsProcesing class to also support 3D graph structures now.
  • Added an experiment module to process the COMPAS dataset of polybenzenes molecular property predictions

0.15.6 - 09.04.2024

  • Modified pyproject.toml - The command line interface is now installed as the "vgd" command - moved from using click for the command line interface to using rich-click which is a fork of

    click that adds rich text support to the command line interface

0.15.7 - 16.10.2024

  • Added the get_num_node_attributes and get_num_edge_attributes functions to the Processing base interface.

0.16.0 - 29.10.2024

  • Fixed the COGILES encoder. There was a bug in the cogiles encoder class which resulted in edges being duplicated in some cases. This is fixed now.
  • There is a test case now for the COGILES encoder which tests the encoder and decoder for a large number of randomly generated graphs to check if there are any other edge cases where the encoding or decoding fails.
  • Added the node_atoms and edge_bonds properties to the MoleculeProcessing class when returning the graph dict representation of a molecule. These properties return the atom and bond types respectively as human-readable strings.
  • Added an additional encoder class attribute to the ColorProcessing class which can be used to encode the (r,g,b) color values of the nodes and edges into a human-readable string representation.

0.17.0 - 25.10.2025

Dependencies

  • Updated the list of dependencies as well as their version requirements such that the minimum version for the visual_graph_datasets package is now Python 3.8 where it was previously 3.10

Tests

  • Added a noxfile.py and implemented the unittests to be automatically executed for all supported python versions using nox.