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Recent GitHub Issues Activity

_{Like all software activity quantification, these numbers are imperfect but sometimes useful. Comments, Labels, and Milestones refer to those issues opened in the timespan in question.}

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Quantified Commit Activity Over 30 Days

Developer	Avatar	Branches	PRs	Commits	Files	Changes
Ralf W. Grosse-Kunstleve		4	21/17/2	8	17	2154
Ralf W. Grosse-Kunstleve		3	0/0/0	13	49	609
Vasily Litvinov		2	0/1/0	2	7	324
Henry Schreiner		2	4/5/0	10	16	304
ObeliskGate		2	1/2/0	4	4	230
Jan Iwaszkiewicz		1	1/1/0	1	6	196
vfdev		1	1/1/0	1	6	117
pre-commit-ci[bot]		2	1/1/0	2	5	44
DWesl		2	1/1/0	2	1	14
dependabot[bot]		2	3/3/0	5	3	14
Bobby R. Bruce		1	1/1/0	1	1	10
Hintay		1	1/1/0	1	1	4
Tim Ohliger (timohl)		0	1/0/0	0	0	0
Michael Šimáček (msimacek)		0	1/0/0	0	0	0
None (gentlegiantJGC)		0	3/0/1	0	0	0
Nikul Patel (nikulpatel3141)		0	1/0/0	0	0	0

_{PRs: created by that dev and opened/merged/closed-unmerged during the period}

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Recent Activity Analysis

The pybind11 project has seen a steady influx of issues, with a notable focus on bug reports and feature requests. Many issues pertain to compatibility with various compilers and Python versions, as well as integration challenges with other libraries like NumPy and TensorFlow. Several issues highlight the complexity of managing C++ and Python interoperability, particularly around memory management and exception handling.

A recurring theme is the difficulty in handling complex C++ constructs such as templates, inheritance, and smart pointers within Python bindings. There are also multiple reports of segmentation faults and memory leaks, often related to improper handling of object lifetimes or incorrect usage of pybind11 features.

Issue Details

Most Recently Created Issues

• #5382: [BUG]: Pybind11Tools.cmake not finding Python AND pybind11_add_module creates only executables

  • Priority: High
  • Status: Open
  • Created: 0 days ago

• #5377: [BUG]: json.dumps failed on object with new _pybind11_conduit_v1 method

  • Priority: Medium
  • Status: Open
  • Created: 4 days ago

Most Recently Updated Issues

• #5382: [BUG]: Pybind11Tools.cmake not finding Python AND pybind11_add_module creates only executables

  • Priority: High
  • Status: Open
  • Updated: Recently

• #5377: [BUG]: json.dumps failed on object with new _pybind11_conduit_v1 method

  • Priority: Medium
  • Status: Open
  • Updated: Recently

Notable Anomalies and Themes

• Compiler Compatibility Issues: Several issues (#3963, #3996) highlight challenges with specific compilers like MSVC and Intel C++. These often involve build failures or runtime errors.

• Memory Management Concerns: Issues like #3514 and #3865 reveal ongoing struggles with memory leaks and segmentation faults, often due to complex interactions between C++ and Python objects.

• Integration with Other Libraries: Problems integrating with libraries like NumPy (#4061) and TensorFlow (#3543) are common. These often stem from mismatches in expected data types or memory layouts.

• Thread Safety and GIL Management: Multiple issues (#3776, #3908) discuss difficulties with threading, particularly around the Global Interpreter Lock (GIL) in Python.

• Documentation Gaps: Some users report confusion due to unclear documentation or lack of examples for advanced use cases (#3871).

Overall, the pybind11 project is actively addressing a wide range of technical challenges inherent in bridging C++ and Python ecosystems.

Report On: Fetch pull requests

Overview

The provided datasets contain a comprehensive list of pull requests (PRs) for the pybind11 project, covering both open and closed PRs. These PRs address various aspects of the library, including enhancements, bug fixes, documentation updates, and CI/CD improvements. The analysis below focuses on the themes and significant changes introduced by these PRs.

Summary of Pull Requests

Open Pull Requests

1. PR #5378: Fixes an issue with the NO_EXTRAS parameter in the pybind11_add_module function not fully working due to duplicate commands in the CMake script.
2. PR #5376: Updates the pypa/cibuildwheel action in GitHub Actions from version 2.20 to 2.21.
3. PR #5374: Adds attestations for PyPI releases in GitHub Actions workflows.
4. PR #5373: Prepares for the release of version 2.13.6 by updating changelogs and version numbers.
5. PR #5372: Updates changelogs for versions 2.11.2 and 2.12.1.

Closed Pull Requests

1. PR #5369: A dummy change to test CI configurations.
2. PR #5368: Backports a feature enabling type-safe interoperability between different Python/C++ bindings systems to the v2.12 series.
3. PR #5367: Merges master into the smart_holder branch, likely to keep it updated with the latest changes from master.

Analysis of Pull Requests

Themes

• Enhancements and Features: Several PRs focus on enhancing existing functionalities or adding new features, such as enabling type-safe interoperability between different binding systems (#5368).
• Bug Fixes and Improvements: Many PRs address specific bugs or improve existing functionalities, ensuring better stability and performance of the library (#5378, #5374).
• Documentation and CI/CD Updates: A significant number of PRs involve updating documentation or CI/CD configurations, reflecting ongoing efforts to maintain high-quality standards and ease of use (#5376, #5373).

Notable Changes

• The introduction of features like type-safe interoperability indicates a significant step towards enhancing the library's capabilities in handling complex scenarios involving multiple binding systems (#5368).
• Continuous updates to CI/CD configurations and tools (e.g., updating pypa/cibuildwheel) demonstrate a commitment to maintaining robust development practices and ensuring compatibility across different environments (#5376).

Anomalies

• The presence of dummy or helper PRs for testing purposes (e.g., #5369) suggests an experimental approach to testing CI configurations or other setups, which could be streamlined further.

Conclusion

The analysis of the provided pull requests highlights active development efforts in enhancing pybind11's functionality, stability, and usability. The focus on interoperability features and continuous improvements in development practices underscores the project's commitment to providing a reliable tool for seamless C++ and Python integration.

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Development Team and Recent Activity

Team Members and Activities

• Hintay

  • Commit: Fixed the NO_EXTRAS issue in pybind11_add_module function.
  • Files Changed: tools/pybind11NewTools.cmake
  • Lines Changed: -4

• dependabot[bot]

  • Commits: Updated dependencies for pypa/cibuildwheel, deadsnakes/action, and actions/attest-build-provenance.
  • Files Changed: .github/workflows/emscripten.yaml, .github/workflows/ci.yml, .github/workflows/pip.yml
  • Lines Changed: +4, -4

• vfdev-5

  • Commit: Added exception translator specific mutex.
  • Files Changed: Multiple including exception_translation.h and internals.h
  • Lines Changed: +96, -21

• Bobby R. Bruce

  • Commit: Added warning disable for GCC 12 bound checking error.
  • Files Changed: pybind11.h
  • Lines Changed: +10

• Henry Schreiner (henryiii)

  • Commits: Various updates including CI attestations, changelog updates, and version bumps.
  • Files Changed: Multiple including pip.yml, changelog.rst, and _version.py
  • Lines Changed: +304, -304

• Ralf W. Grosse-Kunstleve (rwgk)

  • Commits: Enabled type-safe interoperability between Python/C++ bindings systems.
  • Files Changed: Multiple including cpp_conduit.h and various test files.
  • Lines Changed: +524, -6

• pre-commit-ci[bot]

  • Commits: Updated pre-commit hooks.
  • Files Changed: .pre-commit-config.yaml, various test files.
  • Lines Changed: +22, -22

• Vasily Litvinov (vnlitvinov)

  • Commits: Translated C++ exceptions to Python exceptions in buffer creation.
  • Files Changed: Multiple including class.h and exception_translation.h
  • Lines Changed: +108, -54

• Jan Iwaszkiewicz (jiwaszki)

  • Commit: Added warning wrappers for C++.
  • Files Changed: Multiple including warnings.h and related test files.
  • Lines Changed: +194, -2

• ObeliskGate

  • Commits: Made fixes related to template arguments and added <ranges> support for tuples/lists.
  • Files Changed: Multiple including typing.h and test_pytypes.py
  • Lines Changed: +230, -6

Patterns and Themes

1. Dependency Management: Dependabot is actively used to keep dependencies up-to-date across various workflows.

2. Interoperability Enhancements: Significant work is being done to enhance interoperability between Python and C++ bindings.

3. CI/CD Improvements: Continuous integration processes are being refined with attestations and dependency updates.

4. Exception Handling Improvements: There is a focus on improving exception handling mechanisms within the codebase.

5. Documentation Updates: Regular updates to documentation files like changelogs indicate ongoing efforts to maintain clarity and transparency.

6. Code Quality Enhancements: Pre-commit hooks are regularly updated to ensure code quality standards are maintained.

7. Collaboration and Co-authorships: Many commits involve co-authorship, indicating collaborative efforts among team members.

Overall, the development team is actively maintaining the project with a focus on enhancing functionality, improving interoperability, managing dependencies, and ensuring robust CI/CD processes.