Port data-plane packages in sdk/core/ to pyproject.toml

[Copilot]

• Migrate azure-core to use pyproject.toml
• Migrate azure-core-experimental to use pyproject.toml
• Migrate azure-core-tracing-opentelemetry to use pyproject.toml
• Migrate corehttp to use pyproject.toml
• Migrate azure-common to use pyproject.toml
• Remove setup.py files from migrated packages
• Validate migrations build correctly (all packages build sdist and wheel successfully)
• Fix azure-common: add dependencies = [] to [project] section so ci_tools.parsing.ParsedSetup (used by apistub and other CI tools) doesn't fail with TypeError: 'NoneType' object is not iterable
• Fix azure-core-experimental: switch to include = ["azure.core.experimental*"] in [tool.setuptools.packages.find] to avoid shipping namespace __init__.py files that overlap with azure-core
• Fix azure-core-tracing-opentelemetry: switch to include = ["azure.core.tracing.ext.opentelemetry_span*"] to avoid shipping namespace __init__.py files that overlap with azure-core

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[Copilot]

Pull request overview

Migrates sdk/core/ data-plane packages from setup.py to PEP 517/518 pyproject.toml packaging, consolidating metadata (deps/extras/version/readme/package discovery) into a single declarative config per package.

Changes:

• Removed legacy setup.py packaging scripts for core packages.
• Added full PEP 621 [project] metadata plus dynamic version/readme configuration in pyproject.toml.
• Defined optional dependency extras (e.g., aio, tracing, transport extras) in pyproject.toml.

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
sdk/core/corehttp/setup.py	Removed legacy setuptools script in favor of pyproject.toml.
sdk/core/corehttp/pyproject.toml	Added PEP 621 metadata, extras, dynamic version/readme, and package discovery config.
sdk/core/azure-core/setup.py	Removed legacy setuptools script in favor of pyproject.toml.
sdk/core/azure-core/pyproject.toml	Added PEP 621 metadata, extras, dynamic version/readme, and package discovery config.
sdk/core/azure-core-tracing-opentelemetry/setup.py	Removed legacy setuptools script in favor of pyproject.toml.
sdk/core/azure-core-tracing-opentelemetry/pyproject.toml	Added PEP 621 metadata + dynamic version/readme + package discovery config for tracing plugin.
sdk/core/azure-core-experimental/setup.py	Removed legacy setuptools script in favor of pyproject.toml.
sdk/core/azure-core-experimental/pyproject.toml	Added PEP 621 metadata + dynamic version/readme + package discovery config for experimental package.
sdk/core/azure-common/setup.py	Removed legacy setuptools script in favor of pyproject.toml.
sdk/core/azure-common/pyproject.toml	Added PEP 621 metadata + dynamic version/readme + package discovery config.

[Copilot]

[tool.setuptools.packages.find] will currently include packages like azure.core, azure.core.tracing, and azure.core.tracing.ext from this repo copy (those directories contain __init__.py here). Shipping those in the wheel would overwrite the real azure-core implementation (and its existing azure.core.tracing.ext) during installation, breaking tracing/runtime behavior. Restrict package discovery to only the plugin package (e.g., include = ["azure.core.tracing.ext.opentelemetry_span*"] or an explicit package list) so the wheel only adds opentelemetry_span and does not repackage/override parent packages.

Suggested change

	exclude = ["tests*", "samples*", "azure"]
	include = ["azure.core.tracing.ext.opentelemetry_span*"]
	exclude = ["tests*", "samples*"]

[l0lawrence]

@copilot apistub is failing for some pkgs help fix that

[Copilot]

@copilot apistub is failing for some pkgs help fix that

Fixed in b8fb1fe. Two issues were causing apistub failures:

1. azure-common: The [project] section had no dependencies key, which caused ci_tools.parsing.ParsedSetup (used by apistub and other CI tools) to fail with TypeError: 'NoneType' object is not iterable. Added dependencies = [].

2. azure-core-experimental and azure-core-tracing-opentelemetry: Package discovery was using exclude which caused namespace __init__.py files (e.g. azure/core/__init__.py) to be included in the wheels, potentially interfering with azure-core at install time. Switched both to use include to only ship the actual extension packages (azure.core.experimental* and azure.core.tracing.ext.opentelemetry_span* respectively).

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