Bump setuptools from 47.3.1 to 49.1.2

[dependabot-preview]

Bumps setuptools from 47.3.1 to 49.1.2.

Changelog

Sourced from setuptools's changelog.

v49.1.2

• #2232: In preparation for re-enabling a local copy of distutils, Setuptools now honors an environment variable, SETUPTOOLS_USE_DISTUTILS. If set to 'stdlib' (current default), distutils will be used from the standard library. If set to 'local' (default in a imminent backward-incompatible release), the local copy of distutils will be used.

v49.1.1

• #2094: Removed pkg_resources.py2_warn module, which is no longer reachable.

v49.0.1

• #2228: Applied fix for command.build_ext raises FileNotFoundError pypa/distutils#3, restoring expectation that spawn will raise a DistutilsExecError when attempting to execute a missing file.

v49.1.0

• #2228: Disabled distutils adoption for now while emergent issues are addressed.

v49.0.0

• #2165: Setuptools no longer installs a site.py file during easy_install or develop installs. As a result, .eggs on PYTHONPATH will no longer take precedence over other packages on sys.path. If this issue affects your production environment, please reach out to the maintainers at #2165.
• #2137: Removed (private) pkg_resources.RequirementParseError, now replaced by packaging.requirements.InvalidRequirement. Kept the name for compatibility, but users should catch InvalidRequirement instead.
• #2180: Update vendored packaging in pkg_resources to 19.2.
• #2199: Fix exception causes all over the codebase by using raise new_exception from old_exception

v48.0.0

• #2143: Setuptools adopts distutils from the Python 3.9 standard library and no longer depends on distutils in the standard library. When importing setuptools or setuptools.distutils_patch, Setuptools will expose its bundled version as a top-level distutils package (and unload any previously-imported top-level distutils package), retaining the expectation that distutils' objects are actually Setuptools objects. To avoid getting any legacy behavior from the standard library, projects are advised to always "import setuptools" prior to importing anything from distutils. This behavior happens by default when using pip install or pep517.build. Workflows that rely on setup.py (anything) will need to first ensure setuptools is imported. One way to achieve this behavior without modifying code is to invoke Python thus: python -c "import setuptools; exec(open('setup.py').read())" (anything).

v47.3.2

• #2071: Replaced references to the deprecated imp package with references to importlib

Commits

• 599f639 Bump version: 49.1.1 → 49.1.2
• dc4fcfd Merge pull request #2247 from pypa/distutils-adopt-escape-hatch
• bedaf13 Allow opt-in and opt-out of distutils adoption at run time with SETUPTOOLS_US...
• 67f0cc5 Provide escape hatch for distutils adoption.
• cd8ac41 Bump version: 49.1.0 → 49.1.1
• 6f40506 Merge pull request #2238 from pypa/remove-py2-warning
• ec410c3 Merge pull request #2241 from pypa/refresh-distutils
• 461c8f4 Merge commit 'bbe8e80bcbafff8cf3d135d17a8526c8ac5f4b27' of https://github.com...
• bbe8e80 Merge branch 'cpython'
• 317337d Update changelog.
• Additional commits viewable in compare view

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Superseded by #1698.