python-gmpy: new package

From the PyPi description:

gmpy is a C-coded Python extension module that provides access to the
GMP (or MPIR) multiple-precision arithmetic library.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

lang/python-gmpy/Makefile

@@ -0,0 +1,44 @@
+#
+# Copyright (C) 2015 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=gmpy
+PKG_VERSION:=1.17
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).zip
+PKG_SOURCE_URL:=https://pypi.python.org/packages/source/g/gmpy
+PKG_MD5SUM:=2bf419076b06e107167e219f60ac6d27
+
+PKG_LICENSE:=LGPL-2.1+
+PKG_LICENSE_FILES:=lgpl-2.1.txt
+PKG_MAINTAINER:=Jeffery To <jeffery.to@gmail.com>
+
+include $(INCLUDE_DIR)/package.mk
+$(call include_mk, python-package.mk)
+
+define Package/python-gmpy
+	SECTION:=lang
+	CATEGORY:=Languages
+	SUBMENU:=Python
+	TITLE:=python-gmpy
+	URL:=http://code.google.com/p/gmpy/
+	DEPENDS:=+libgmp +python-light
+endef
+
+define Package/python-gmpy/description
+gmpy is a C-coded Python extension module that provides access to the
+GMP (or MPIR) multiple-precision arithmetic library.
+endef
+
+define Build/Compile
+	$(call Build/Compile/PyMod,,install --prefix="/usr" --root="$(PKG_INSTALL_DIR)")
+endef
+
+$(eval $(call PyPackage,python-gmpy))
+$(eval $(call BuildPackage,python-gmpy))