Update setuptools requirement from <70 to <71

[dependabot]

Updates the requirements on setuptools to permit the latest version.

Changelog

Sourced from setuptools's changelog.

v70.0.0

Features

• Emit a warning when [tools.setuptools] is present in pyproject.toml and will be ignored. -- by :user:SnoopJ (#4150)
• Improved AttributeError error message if pkg_resources.EntryPoint.require is called without extras or distribution Gracefully "do nothing" when trying to activate a pkg_resources.Distribution with a None location, rather than raising a TypeError -- by :user:Avasam (#4262)
• Typed the dynamically defined variables from pkg_resources -- by :user:Avasam (#4267)
• Modernized and refactored VCS handling in package_index. (#4332)

Bugfixes

• In install command, use super to call the superclass methods. Avoids race conditions when monkeypatching from _distutils_system_mod occurs late. (#4136)
• Fix finder template for lenient editable installs of implicit nested namespaces constructed by using package_dir to reorganise directory structure. (#4278)
• Fix an error with UnicodeDecodeError handling in pkg_resources when trying to read files in UTF-8 with a fallback -- by :user:Avasam (#4348)

Improved Documentation

• Uses RST substitution to put badges in 1 line. (#4312)

Deprecations and Removals

• Further adoption of UTF-8 in setuptools. This change regards mostly files produced and consumed during the build process (e.g. metadata files, script wrappers, automatically updated config files, etc..) Although precautions were taken to minimize disruptions, some edge cases might be subject to backwards incompatibility.

  Support for "locale" encoding is now deprecated. (#4309)

• Remove setuptools.convert_path after long deprecation period. This function was never defined by setuptools itself, but rather a side-effect of an import for internal usage. (#4322)

• Remove fallback for customisations of distutils' build.sub_command after long deprecated period. Users are advised to import build directly from setuptools.command.build. (#4322)

• Removed typing_extensions from vendored dependencies -- by :user:Avasam (#4324)

• Remove deprecated setuptools.dep_util. The provided alternative is setuptools.modified. (#4360)

... (truncated)

Commits

• 5cbf12a Workaround for release error in v70
• 9c1bcc3 Bump version: 69.5.1 → 70.0.0
• 4dc0c31 Remove deprecated setuptools.dep_util (#4360)
• 6c1ef57 Remove xfail now that test passes. Ref #4371.
• d14fa01 Add all site-packages dirs when creating simulated environment for test_edita...
• 6b7f7a1 Prevent bin folders to be taken as extern packages when vendoring (#4370)
• 69141f6 Add doctest for vendorised bin folder
• 2a53cc1 Prevent 'bin' folders to be taken as extern packages
• 7208628 Replace call to deprecated validate_pyproject command (#4363)
• 96d681a Remove call to deprecated validate_pyproject command
• Additional commits viewable in compare view

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[amotl]

Blocked by problem with zc.buildout. Probably needs a new release.

References

• ImportError: cannot import name 'packaging' from 'pkg_resources' with setuptools 70 buildout/buildout#648
• Fix ImportError: cannot import name 'packaging' from 'pkg_resources' buildout/buildout#649
• WIP: try to fix CI buildout/buildout#651

[dependabot]

Superseded by #637.