New package: unhandled Exceptions logging instrumentation

[iblancasa]

Description

This PR adds a new opentelemetry-instrumentation-exceptions package which allows capturing unhandled exceptions.

Fixes #4209

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Unit tests
• Manual test with a hello world

Does This PR Require a Core Repo Change?

• Yes. - Link to PR:
• No.

Checklist:

See contributing.md for styleguide, changelog guidelines, and more.

• Followed the style guidelines of this project
• Changelogs have been updated
• Unit tests have been added

[iblancasa]

Thank you @herin049 for the feedback.

[emdneto]

Thanks for the PR!

Just a heads-up: we no longer update CHANGELOG.md directly. The changelog is now generated from changelog fragments using Towncrier.

Please add the appropriate changelog fragment for this change instead of editing CHANGELOG.md manually. You can find the instructions and expected format in CONTRIBUTING.md.

[iblancasa]

Just a heads-up: we no longer update CHANGELOG.md directly. The changelog is now generated from changelog fragments using Towncrier.

Didn't know about that. Fixing... thank you!

[xrmx]

@herin049 Could you please take another look? Thanks!

[Copilot]

Pull request overview

This PR introduces a new contrib instrumentation package, opentelemetry-instrumentation-exceptions, to capture uncaught process exceptions, uncaught thread exceptions, and unhandled asyncio task exceptions and emit them as OpenTelemetry Logs (plus wiring it into the repo’s packaging, docs, and CI/test matrix).

Changes:

• Added the new opentelemetry-instrumentation-exceptions package (instrumentor implementation + tests).
• Integrated the package into bootstrap defaults, the contrib meta-package, documentation, changelog, and component ownership.
• Added tox environments and GitHub Actions jobs for linting and testing across supported Python versions.

Reviewed changes

Copilot reviewed 18 out of 19 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
uv.lock	Adds the new package to the workspace lock members and dependency graph.
tox.ini	Introduces test/lint tox envs and deps wiring for the new instrumentation package.
opentelemetry-instrumentation/src/opentelemetry/instrumentation/bootstrap_gen.py	Includes the new instrumentation in the default bootstrap instrumentations list.
opentelemetry-contrib-instrumentations/pyproject.toml	Adds the new instrumentation to the “contrib instrumentations” aggregate dependency set.
instrumentation/README.md	Lists the new instrumentation package in the instrumentation catalog table.
instrumentation/opentelemetry-instrumentation-exceptions/tests/test_exceptions.py	Adds unit tests verifying logs are emitted for sys/thread/asyncio unhandled exception hooks.
instrumentation/opentelemetry-instrumentation-exceptions/test-requirements.txt	Adds the standard pinned test requirements + editable installs for this package.
instrumentation/opentelemetry-instrumentation-exceptions/src/opentelemetry/instrumentation/exceptions/version.py	Defines the package version.
instrumentation/opentelemetry-instrumentation-exceptions/src/opentelemetry/instrumentation/exceptions/package.py	Declares instrumentation metadata (_instruments, _supports_metrics).
instrumentation/opentelemetry-instrumentation-exceptions/src/opentelemetry/instrumentation/exceptions/init.py	Implements the instrumentor that wraps exception hooks and emits OTel logs.
instrumentation/opentelemetry-instrumentation-exceptions/README.rst	Adds package-level README with installation and usage instructions.
instrumentation/opentelemetry-instrumentation-exceptions/pyproject.toml	Adds package build metadata, dependencies, and entry point registration.
instrumentation/opentelemetry-instrumentation-exceptions/LICENSE	Adds a LICENSE file for the new package.
docs/instrumentation/exceptions/exceptions.rst	Adds Sphinx API docs page for the new instrumentation module.
.github/workflows/test.yml	Adds CI test jobs for the new package across CPython and PyPy.
.github/workflows/lint.yml	Adds CI lint job for the new package.
.github/workflows/core_contrib_test.yml	Adds core+contrib integration test job for the new package.
.github/component_owners.yml	Registers a component owner for the new package path.
.changelog/4503.added	Adds a changelog entry announcing the new instrumentation package.