setuptools: split package into Python 2 and Python 3 versions (#1875)

Also remove all dependencies, setuptools bundles all dependencies
by itself anyway.

python2-setuptools/PKGBUILD

@@ -0,0 +1,58 @@
+# Maintainer: Alexey Pavlov <alexpux@gmail.com>
+
+_realname=setuptools
+pkgbase="python2-${_realname}"
+pkgname=("python2-${_realname}")
+pkgver=41.6.0
+pkgrel=2
+pkgdesc="Easily download, build, install, upgrade, and uninstall Python packages"
+arch=('any')
+license=('PSF')
+depends=('python2')
+provides=('python2-distribute')
+replaces=('python2-distribute')
+url="https://pypi.python.org/pypi/setuptools"
+source=("${_realname}-${pkgver}.tar.gz::https://github.com/pypa/setuptools/archive/v${pkgver}.tar.gz")
+sha512sums=('27dd6762afb7cc5cf302c4086d5142490d90fcba1d4886a6c9d3c7d4bf35cd7670081f103f6f6218b5fdce13a1c461ae7b9d917d0dc60669860e581f1945478a')
+
+prepare() {
+  # Don't download and install deps
+  sed -i '/pip.main(args)/d' setuptools-${pkgver}/bootstrap.py
+
+  # Remove post-release tag since we are using stable tags
+  sed -e '/tag_build = .post/d' \
+      -e '/tag_date = 1/d' \
+      -i setuptools-${pkgver}/setup.cfg
+
+  cd "${srcdir}"/setuptools-${pkgver}
+  sed -i -e "s|^#\!.*/usr/bin/env python|#!/usr/bin/env python2|" setuptools/command/easy_install.py
+  sed -i -e "s|'pip'|'pip2'|" setuptools/tests/{test_develop.py,test_namespaces.py}
+
+  export SETUPTOOLS_INSTALL_WINDOWS_SPECIFIC_FILES=0
+}
+
+build() {
+  # Build python 2 module
+  cd "${srcdir}"/setuptools-${pkgver}
+  python2 bootstrap.py
+  python2 setup.py build
+}
+
+check() { (
+  # Workaround UTF-8 tests by setting LC_CTYPE
+  export LC_CTYPE=en_US.UTF-8
+
+  # https://github.com/pypa/setuptools/pull/810
+  export PYTHONDONTWRITEBYTECODE=1
+
+  # Check python2 module
+  # cd "${srcdir}"/setuptools-${pkgver}
+  # python2 setup.py pytest
+)}
+
+package() {
+  cd "${srcdir}"/setuptools-${pkgver}
+
+  python2 setup.py install --prefix=/usr --root="${pkgdir}" --optimize=1 --skip-build
+  rm "${pkgdir}"/usr/bin/easy_install
+}