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Documents authored by Carvalho, Luís

Document
DOI: 10.4230/LIPIcs.ECOOP.2024.9
A Language-Based Version Control System for Python

Authors: Luís Carvalho and João Costa Seco

Published in: LIPIcs, Volume 313, 38th European Conference on Object-Oriented Programming (ECOOP 2024)

Abstract
We extend prior work on a language-based approach to versioned software development to support versioned programs with mutable state and evolving method interfaces. Unlike the traditional approach of mainstream version control systems, where a textual diff represents each evolution step, we treat versions as programming elements. Each evolution step, merge operation, and version relationship is represented explicitly in a multifaceted code representation. This provides static guarantees for safe code reuse from previous versions and forward and backwards compatibility between versions, allowing clients to use newly introduced code without needing to refactor their program manually. By lifting versioning to the language level, we pave the way for tools that interact with software repositories to have more insight into a system’s behavior evolution. We instantiate our work in the Python programming language and demonstrate its applicability regarding common evolution and refactoring patterns found in different versions of popular Python packages.
Cite as

Luís Carvalho and João Costa Seco. A Language-Based Version Control System for Python. In 38th European Conference on Object-Oriented Programming (ECOOP 2024). Leibniz International Proceedings in Informatics (LIPIcs), Volume 313, pp. 9:1-9:27, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)

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@InProceedings{carvalho_et_al:LIPIcs.ECOOP.2024.9,
  author =	{Carvalho, Lu{\'\i}s and Costa Seco, Jo\~{a}o},
  title =	{{A Language-Based Version Control System for Python}},
  booktitle =	{38th European Conference on Object-Oriented Programming (ECOOP 2024)},
  pages =	{9:1--9:27},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-341-6},
  ISSN =	{1868-8969},
  year =	{2024},
  volume =	{313},
  editor =	{Aldrich, Jonathan and Salvaneschi, Guido},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ECOOP.2024.9},
  URN =		{urn:nbn:de:0030-drops-208586},
  doi =		{10.4230/LIPIcs.ECOOP.2024.9},
  annote =	{Keywords: Software evolution, type theory}
}
Document
Artifact
DOI: 10.4230/DARTS.10.2.3
A Language-Based Version Control System for Python (Artifact)

Authors: Luís Carvalho and João Costa Seco

Published in: DARTS, Volume 10, Issue 2, Special Issue of the 38th European Conference on Object-Oriented Programming (ECOOP 2024)

Abstract
We extend prior work on a language-based approach to versioned software development to support versioned programs with mutable state and evolving method interfaces. Unlike the traditional approach of mainstream version control systems, where a textual diff represents each evolution step, we treat versions as programming elements. Each evolution step, merge operation, and version relationship is represented explicitly in a multifaceted code representation. This provides static guarantees for safe code reuse from previous versions and forward and backwards compatibility between versions, allowing clients to use newly introduced code without needing to refactor their program manually. By lifting versioning to the language level, we pave the way for tools that interact with software repositories to have more insight into a system’s behavior evolution. We instantiate our work in the Python programming language and demonstrate its applicability regarding common evolution and refactoring patterns found in different versions of popular Python packages.
Cite as

Luís Carvalho and João Costa Seco. A Language-Based Version Control System for Python (Artifact). In Special Issue of the 38th European Conference on Object-Oriented Programming (ECOOP 2024). Dagstuhl Artifacts Series (DARTS), Volume 10, Issue 2, pp. 3:1-3:2, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)

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@Article{carvalho_et_al:DARTS.10.2.3,
  author =	{Carvalho, Lu{\'\i}s and Costa Seco, Jo\~{a}o},
  title =	{{A Language-Based Version Control System for Python (Artifact)}},
  pages =	{3:1--3:2},
  journal =	{Dagstuhl Artifacts Series},
  ISBN =	{978-3-95977-342-3},
  ISSN =	{2509-8195},
  year =	{2024},
  volume =	{10},
  number =	{2},
  editor =	{Carvalho, Lu{\'\i}s and Costa Seco, Jo\~{a}o},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DARTS.10.2.3},
  URN =		{urn:nbn:de:0030-drops-209017},
  doi =		{10.4230/DARTS.10.2.3},
  annote =	{Keywords: Software evolution, type theory}
}
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