sqlparse: add python3 package

This is a dependency for django-cors-headers.

Install sqlformat without using pkg-resources:
Upstream uses the entry_point function to call the __main__.py script.
We copy it for avoiding the dependency on pkg_resources and full python3 in turn.

Signed-off-by: Peter Stadler <peter.stadler@student.uibk.ac.at>

lang/python/python3-sqlparse/Makefile

@@ -0,0 +1,40 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=sqlparse
+PKG_VERSION:=0.3.0
+PKG_RELEASE:=1
+
+PYPI_NAME:=sqlparse
+PKG_HASH:=7c3dca29c022744e95b547e867cee89f4fce4373f3549ccd8797d8eb52cdb873
+
+PKG_MAINTAINER:=Peter Stadler <peter.stadler@student.uibk.ac.at>
+PKG_LICENSE:=BSD-3-Clause
+PKG_LICENSE_FILES:=LICENSE
+
+include ../pypi.mk
+include $(INCLUDE_DIR)/package.mk
+include ../python3-package.mk
+
+define Package/python3-sqlparse
+  SUBMENU:=Python
+  SECTION:=lang
+  CATEGORY:=Languages
+  TITLE:=Non-validating SQL parser module.
+  URL:=https://github.com/andialbrecht/sqlparse
+  DEPENDS:=+python3-light
+  VARIANT:=python3
+endef
+
+define Package/python3-sqlparse/description
+  A non-validating SQL parser module. It provides support for parsing, splitting and formatting SQL statements.
+endef
+
+define Py3Package/python3-sqlparse/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/$(PYTHON3_PKG_DIR)/sqlparse/__main__.py \
+		$(1)/usr/bin/sqlformat
+endef
+
+$(eval $(call Py3Package,python3-sqlparse))
+$(eval $(call BuildPackage,python3-sqlparse))
+$(eval $(call BuildPackage,python3-sqlparse-src))