PyRigi/PyRigi
Oct 2024 – May 2025
8 Months active
Languages Used
BibTeXCSSMarkdownPythonreStructuredTextPytest
Technical Skills
Documentation ManagementAlgorithm ImplementationAlgorithm OptimizationBackend DevelopmentCode FormattingCode Refactoring
Georg G
PROFILE
Georg G
Georg Grasegger developed advanced graph rigidity analysis and documentation tooling for the PyRigi/PyRigi repository, focusing on both feature depth and maintainability. He engineered algorithms for graph extension, rigidity checks, and realization counting, generalizing them to support arbitrary dimensions and robust error handling. Using Python and leveraging libraries such as LaTeX/TikZ for visualization, he expanded automated test coverage, improved input validation, and refactored APIs for clarity and reliability. Grasegger also enhanced the project’s documentation and bibliography management, introducing formal definitions and cross-references. His work resulted in a more reliable, maintainable, and accessible codebase for scientific computing and graph theory.
Overall Statistics
Feature vs Bugs
82%Features
Repository Contributions
198Total
Bugs
16
Commits
198
Features
72
Lines of code
12,677
Activity Months8
Your Network
11 peopleSame Organization
@ricam.oeaw.ac.at1
Work History
May 2025
12 Commits • 2 Features
May 1, 2025May 2025 monthly summary for PyRigi/PyRigi focused on strengthening the knowledge base and maintainability through targeted documentation work and bibliography cleanup. No user-facing feature releases or bug-fix patches were required this month; instead, efforts were channeled into high-quality documentation and reference management to improve onboarding, discoverability, and long-term code health.
12 Commits • 2 Features
May 1, 2025May 2025 monthly summary for PyRigi/PyRigi focused on strengthening the knowledge base and maintainability through targeted documentation work and bibliography cleanup. No user-facing feature releases or bug-fix patches were required this month; instead, efforts were channeled into high-quality documentation and reference management to improve onboarding, discoverability, and long-term code health.
May 2025
April 2025
20 Commits • 2 Features
Apr 1, 2025April 2025: Delivered a robust CompleteLooped graph generator and expanded graph algorithm testing and documentation in PyRigi/PyRigi. Enhanced vertex-naming handling, added pebble-game references, and cleaned up code quality, resulting in improved reliability, test coverage, and maintainability for graph-related features.
April 2025
20 Commits • 2 Features
Apr 1, 2025April 2025: Delivered a robust CompleteLooped graph generator and expanded graph algorithm testing and documentation in PyRigi/PyRigi. Enhanced vertex-naming handling, added pebble-game references, and cleaned up code quality, resulting in improved reliability, test coverage, and maintainability for graph-related features.
March 2025
65 Commits • 33 Features
Mar 1, 2025March 2025: PyRigi/PyRigi shipped extensive test coverage and core reliability improvements. Key deliverables include expanded test suites across dimensions, matrix rank, cones, frameworks, randomized algorithms, sparsity (parametrized and loop-based), and a subgraph algorithm test; major correctness fixes including dimension-1 circuit fix and alignment to the formal definition; notation and references modernization; and release hygiene improvements (Poetry cleanup and version bump). These changes increased validation coverage, reduced defect leakage, and accelerated onboarding for new contributors.
65 Commits • 33 Features
Mar 1, 2025March 2025: PyRigi/PyRigi shipped extensive test coverage and core reliability improvements. Key deliverables include expanded test suites across dimensions, matrix rank, cones, frameworks, randomized algorithms, sparsity (parametrized and loop-based), and a subgraph algorithm test; major correctness fixes including dimension-1 circuit fix and alignment to the formal definition; notation and references modernization; and release hygiene improvements (Poetry cleanup and version bump). These changes increased validation coverage, reduced defect leakage, and accelerated onboarding for new contributors.
March 2025
February 2025
9 Commits • 1 Features
Feb 1, 2025February 2025 (Month: 2025-02) – PyRigi/PyRigi: Delivered a pivotal feature expansion for graph rigidity tooling. Key deliverables include generalizing the extension_sequence to support arbitrary dimensions and introducing the all_extensions API to enumerate all k-extensions, enabling robust rigidity analysis and flexible graph querying across diverse graph shapes. The work included documentation updates and expanded test coverage to improve usability and confidence in graph operations. Minor code quality improvements and test refinements were completed to improve maintainability and reduce risk in future changes. Business value: broader analytics capabilities, faster iteration cycles, and safer refactoring for graph-based workflows.
February 2025
9 Commits • 1 Features
Feb 1, 2025February 2025 (Month: 2025-02) – PyRigi/PyRigi: Delivered a pivotal feature expansion for graph rigidity tooling. Key deliverables include generalizing the extension_sequence to support arbitrary dimensions and introducing the all_extensions API to enumerate all k-extensions, enabling robust rigidity analysis and flexible graph querying across diverse graph shapes. The work included documentation updates and expanded test coverage to improve usability and confidence in graph operations. Minor code quality improvements and test refinements were completed to improve maintainability and reduce risk in future changes. Business value: broader analytics capabilities, faster iteration cycles, and safer refactoring for graph-based workflows.
January 2025
53 Commits • 14 Features
Jan 1, 2025January 2025 performance month focused on strengthening robustness, correctness, and maintainability of PyRigi/PyRigi. Delivered robust dimension error handling across modules, expanded input validation and tests, and enhanced graph generation capabilities. Improved API robustness, typing, and error messaging. Refactored and tightened validation flows, documented improvements, and expanded test coverage to reduce regression risk.
53 Commits • 14 Features
Jan 1, 2025January 2025 performance month focused on strengthening robustness, correctness, and maintainability of PyRigi/PyRigi. Delivered robust dimension error handling across modules, expanded input validation and tests, and enhanced graph generation capabilities. Improved API robustness, typing, and error messaging. Refactored and tightened validation flows, documented improvements, and expanded test coverage to reduce regression risk.
January 2025
December 2024
13 Commits • 2 Features
Dec 1, 2024December 2024 — PyRigi/PyRigi monthly recap focused on improving numerical correctness, API clarity, and documentation to accelerate reliable graph analysis and adoption. Key features delivered: - Realization counting enhancements: Adds control over counting reflections in number_of_realizations; updates citations and tests; clarifies parameter naming for counting reflections in graph realizations. This improved measurement accuracy and API clarity for end users and downstream tooling. - Documentation improvements: Comprehensive updates on complex realizations, how-to references, labeling guides, cross-references, and readability refinements across docs, improving onboarding and reducing support friction. Major bugs fixed: - Rigidity math correctness and small-graph validation: Fixes rigidity calculations by using squared norms in complex rigidity maps and refines the criteria for minimal rigidity of small graphs to require complete graphs per established theorems, boosting numerical stability and correctness for edge cases. Overall impact and accomplishments: - Increased reliability and trust in PyRigi’s analysis results, enabling teams to rely on automated rigidity assessments for design decisions. Stronger test coverage and clearer APIs reduce regression risk and accelerate integration. Technologies and skills demonstrated: - Python development, linear algebra and graph theory concepts (rigidity, norms), test-driven development, and documentation tooling (cross-references, labeling, and readability) showcased through targeted commits and documentation work.
December 2024
13 Commits • 2 Features
Dec 1, 2024December 2024 — PyRigi/PyRigi monthly recap focused on improving numerical correctness, API clarity, and documentation to accelerate reliable graph analysis and adoption. Key features delivered: - Realization counting enhancements: Adds control over counting reflections in number_of_realizations; updates citations and tests; clarifies parameter naming for counting reflections in graph realizations. This improved measurement accuracy and API clarity for end users and downstream tooling. - Documentation improvements: Comprehensive updates on complex realizations, how-to references, labeling guides, cross-references, and readability refinements across docs, improving onboarding and reducing support friction. Major bugs fixed: - Rigidity math correctness and small-graph validation: Fixes rigidity calculations by using squared norms in complex rigidity maps and refines the criteria for minimal rigidity of small graphs to require complete graphs per established theorems, boosting numerical stability and correctness for edge cases. Overall impact and accomplishments: - Increased reliability and trust in PyRigi’s analysis results, enabling teams to rely on automated rigidity assessments for design decisions. Stronger test coverage and clearer APIs reduce regression risk and accelerate integration. Technologies and skills demonstrated: - Python development, linear algebra and graph theory concepts (rigidity, norms), test-driven development, and documentation tooling (cross-references, labeling, and readability) showcased through targeted commits and documentation work.
November 2024
24 Commits • 17 Features
Nov 1, 2024November 2024 was focused on delivering the TikZ export workflow for PyRigi, expanding rendering capabilities and framework integration, enhancing documentation and coding standards, and improving robustness and UI consistency. Key outcomes include the initial TikZ function with edge/vertex styling and gvertex rendering, to_tikz framework support, comprehensive documentation (docstrings, examples, references), and multiple bug fixes (label styling, dimension calculations, and rigid-check logic). These efforts increased business value by enabling reliable TikZ-based visuals across frameworks, simplifying adoption for users, and improving maintainability and consistency across the codebase.
24 Commits • 17 Features
Nov 1, 2024November 2024 was focused on delivering the TikZ export workflow for PyRigi, expanding rendering capabilities and framework integration, enhancing documentation and coding standards, and improving robustness and UI consistency. Key outcomes include the initial TikZ function with edge/vertex styling and gvertex rendering, to_tikz framework support, comprehensive documentation (docstrings, examples, references), and multiple bug fixes (label styling, dimension calculations, and rigid-check logic). These efforts increased business value by enabling reliable TikZ-based visuals across frameworks, simplifying adoption for users, and improving maintainability and consistency across the codebase.
November 2024
October 2024
2 Commits • 1 Features
Oct 1, 2024Month: 2024-10 — In PyRigi/PyRigi, delivered improvements to bibliography handling: standardized refs.bib formatting and reorganized entries to improve readability and discoverability. No major bugs fixed this month; focus on feature refinement and maintainability. Impact: improved citation generation, easier reference discovery, and a stronger foundation for docs and downstream tooling. Technologies demonstrated include Python code cleanup, data formatting, and sorting applied to BibTeX entries.
October 2024
2 Commits • 1 Features
Oct 1, 2024Month: 2024-10 — In PyRigi/PyRigi, delivered improvements to bibliography handling: standardized refs.bib formatting and reorganized entries to improve readability and discoverability. No major bugs fixed this month; focus on feature refinement and maintainability. Impact: improved citation generation, easier reference discovery, and a stronger foundation for docs and downstream tooling. Technologies demonstrated include Python code cleanup, data formatting, and sorting applied to BibTeX entries.
Activity
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Quality Metrics
Correctness93.2%
Maintainability93.2%
Architecture88.8%
Performance88.2%
AI Usage20.0%
Skills & Technologies
Programming Languages
BibTeXCSSMarkdownPytestPythonreStructuredText
Technical Skills
API DesignAcademic PublishingAlgorithm AnalysisAlgorithm DevelopmentAlgorithm ExplanationAlgorithm ImplementationAlgorithm OptimizationAlgorithm TestingAlgorithm VerificationAlgorithmic TestingBackend DevelopmentBibTeXBibTeX ManagementCode FormattingCode Organization
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