pymysql: add meta-package for sha256 support

Replace the PYTHON3_PYMYSQL_SHA_PASSWORD_SUPPORT option, which is
causing circular dependencies, with a meta-package that installs both
python3-pymysql and python3-cryptography.

Signed-off-by: Eneas U de Queiroz <[email protected]>
(cherry picked from commit 79b173a)

lang/python/pymysql/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=pymysql
 PKG_VERSION:=1.1.0
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PYPI_NAME:=PyMySQL
 PKG_HASH:=4f13a7df8bf36a51e81dd9f3605fede45a4878fe02f9236349fd82a3f0612f96
@@ -24,23 +24,40 @@ include ../pypi.mk
 include $(INCLUDE_DIR)/package.mk
 include ../python3-package.mk
 
-define Package/python3-pymysql
+define Package/python3-pymysql/Default
   SUBMENU:=Python
   SECTION:=lang
   CATEGORY:=Languages
   TITLE:=Pure Python MySQL Client
   URL:=https://pymysql.readthedocs.io/
-  DEPENDS:=+python3 +PYTHON3_PYMYSQL_SHA_PASSWORD_SUPPORT:python3-cryptography
 endef
 
-define Package/python3-pymysql/config
-  source "$(SOURCE)/Config.in"
+define Package/python3-pymysql
+$(call Package/python3-pymysql/Default)
+  DEPENDS:=+python3
 endef
 
 define Package/python3-pymysql/description
   This package contains a pure-Python MySQL client library, based on PEP 249.
 endef
 
+define Package/python3-pymysql-sha-pwd
+$(call Package/python3-pymysql/Default)
+  TITLE+=w/ SHA256 password auth
+  DEPENDS:=+python3-pymysql $(RUST_ARCH_DEPENDS) +PACKAGE_python3-pymysql-sha-pwd:python3-cryptography
+endef
+
+define Package/python3-pymysql-sha-pwd/description
+  This is a meta-package installing python3-pymysql and python3-cryptography
+  packages to be able to use pymysql with “sha256_password” or
+  “caching_sha2_password” for authentication.
+endef
+
+define Package/python3-pymysql-sha-pwd/install
+  true
+endef
+
 $(eval $(call Py3Package,python3-pymysql))
 $(eval $(call BuildPackage,python3-pymysql))
 $(eval $(call BuildPackage,python3-pymysql-src))
+$(eval $(call BuildPackage,python3-pymysql-sha-pwd))