Add some python packages.

Some gertty dependencies, more to come.

dev-python/sqlalchemy/sqlalchemy-1.2.10.recipe

@@ -0,0 +1,65 @@
+SUMMARY="Python SQL Toolkit and Object Relational Mapper"
+DESCRIPTION="Python SQL toolkit and Object Relational Mapper that gives \
+application developers the full power and flexibility of SQL.
+
+It provides a full suite of well known enterprise-level persistence patterns, \
+designed for efficient and high-performing database access, adapted into a \
+simple and Pythonic domain language."
+HOMEPAGE="https://www.sqlalchemy.org/"
+COPYRIGHT="2006-2018 SQLAlchemy authors and contributors"
+LICENSE="MIT"
+REVISION="1"
+SOURCE_URI="https://files.pythonhosted.org/packages/8a/c2/29491103fd971f3988e90ee3a77bb58bad2ae2acd6e8ea30a6d1432c33a3/SQLAlchemy-$portVersion.tar.gz"
+CHECKSUM_SHA256="72325e67fb85f6e9ad304c603d83626d1df684fdf0c7ab1f0352e71feeab69d8"
+SOURCE_DIR="SQLAlchemy-$portVersion"
+
+ARCHITECTURES="any"
+
+PROVIDES="
+	$portName = $portVersion
+	"
+REQUIRES="
+	haiku
+	"
+
+BUILD_REQUIRES="
+	haiku_devel
+	"
+
+PYTHON_PACKAGES=(python3)
+PYTHON_VERSIONS=(3.6)
+for i in "${!PYTHON_PACKAGES[@]}"; do
+pythonPackage=${PYTHON_PACKAGES[i]}
+pythonVersion=${PYTHON_VERSIONS[$i]}
+eval "PROVIDES_${pythonPackage}=\"\
+	${portName}_$pythonPackage = $portVersion\
+	\"; \
+REQUIRES_$pythonPackage=\"\
+	haiku\n\
+	cmd:python$pythonVersion\
+	\""
+BUILD_REQUIRES="$BUILD_REQUIRES
+	setuptools_$pythonPackage"
+BUILD_PREREQUIRES="$BUILD_PREREQUIRES
+	cmd:python$pythonVersion"
+done
+
+INSTALL()
+{
+	for i in "${!PYTHON_PACKAGES[@]}"; do
+		pythonPackage=${PYTHON_PACKAGES[i]}
+		pythonVersion=${PYTHON_VERSIONS[$i]}
+
+		python=python$pythonVersion
+		installLocation=$prefix/lib/$python/vendor-packages/
+		export PYTHONPATH=$installLocation:$PYTHONPATH
+		mkdir -p $installLocation
+		rm -rf build
+		$python setup.py build install \
+			--root=/ --prefix=$prefix
+
+		packageEntries  $pythonPackage \
+			$prefix/lib/python*
+	done
+}
+