CPMpy/cpmpy
Dec 2024 – Aug 2025
3 Months active
Languages Used
Python
Technical Skills
Code RefactoringConstraint ProgrammingData StructuresError HandlingPython DevelopmentBackend Development
Dimos Tsouros
PROFILE
Dimos Tsouros
Worked on the CPMpy/cpmpy repository to enhance constraint programming reliability and solver integration using Python. Focused on backend development and code refactoring, they delivered robust linearization for power and modulo operations, enforcing stricter checks and comprehensive tests to improve solver correctness with nonlinear expressions. Addressed input normalization by ensuring table constraints consistently accept lists, reducing downstream errors and improving compatibility. Improved error handling by refining exception messages and cleaning up unused imports, which streamlined the codebase and aided debugging. Additionally, implemented strict time limit validation and strengthened constraint handling across solver backends, supporting predictable behavior and cross-solver robustness in production environments.
Overall Statistics
Feature vs Bugs
20%Features
Repository Contributions
6Total
Bugs
4
Commits
6
Features
1
Lines of code
409
Activity Months3
Your Network
7 peopleWork History
August 2025
1 Commits • 1 Features
Aug 1, 2025Concise monthly summary for 2025-08 focused on strengthening core constraint linearization in CPMpy with robust handling of power and modulo operations, plus tests. The work targeted the CPMpy/cpmpy repository and improved solver reliability when encountering nonlinear expressions and modular arithmetic.
1 Commits • 1 Features
Aug 1, 2025Concise monthly summary for 2025-08 focused on strengthening core constraint linearization in CPMpy with robust handling of power and modulo operations, plus tests. The work targeted the CPMpy/cpmpy repository and improved solver reliability when encountering nonlinear expressions and modular arithmetic.
August 2025
April 2025
3 Commits
Apr 1, 2025April 2025 CPMpy/cpmpy monthly summary focused on reliability and cross-solver robustness. Implemented key validations and constraint-handling improvements to drive stability, predictable behavior, and business value across solver backends.
April 2025
3 Commits
Apr 1, 2025April 2025 CPMpy/cpmpy monthly summary focused on reliability and cross-solver robustness. Implemented key validations and constraint-handling improvements to drive stability, predictable behavior, and business value across solver backends.
December 2024
2 Commits
Dec 1, 2024December 2024 (CPMpy/cpmpy): Focused on reliability and developer experience through targeted bug fixes that reduce downstream errors and improve maintainability. Implemented table constraint input normalization to ensure the 'table' argument is always a list, converting numpy arrays to lists to improve compatibility and prevent downstream errors. Refined exception messages and performed code cleanup to remove unused imports, yielding clearer guidance for users and a lighter codebase. These changes enhance runtime stability, ease debugging, and support smoother integration for downstream applications.
2 Commits
Dec 1, 2024December 2024 (CPMpy/cpmpy): Focused on reliability and developer experience through targeted bug fixes that reduce downstream errors and improve maintainability. Implemented table constraint input normalization to ensure the 'table' argument is always a list, converting numpy arrays to lists to improve compatibility and prevent downstream errors. Refined exception messages and performed code cleanup to remove unused imports, yielding clearer guidance for users and a lighter codebase. These changes enhance runtime stability, ease debugging, and support smoother integration for downstream applications.
December 2024
Activity
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Quality Metrics
Correctness85.0%
Maintainability90.0%
Architecture80.0%
Performance78.4%
AI Usage23.4%
Skills & Technologies
Programming Languages
Python
Technical Skills
Backend DevelopmentCode RefactoringConstraint ProgrammingData StructuresError HandlingMathematical OperationsPython DevelopmentSoftware DevelopmentSolver IntegrationTesting
Repositories Contributed To
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