define extras subpackages

Signed-off-by: Nils Philippsen <nils@tiptoe.de>

python-sqlalchemy.spec

@@ -3,6 +3,18 @@
 
 %global srcname SQLAlchemy
 
+%global python_pkg_extras \
+    asyncio \
+    mssql_pymssql \
+    mssql_pyodbc \
+    mysql \
+    postgresql \
+    postgresql_pg8000 \
+    postgresql_asyncpg \
+    pymysql \
+    aiomysql \
+    aiosqlite
+
 Name:           python-sqlalchemy
 Version:        1.4.14
 # cope with pre-release versions containing tildes
@@ -58,6 +70,9 @@ domain.
 
 This package includes the python 3 version of the module.
 
+# Subpackages to ensure dependencies enabling extra functionality
+%{?python_extras_subpkg:%python_extras_subpkg -n python3-sqlalchemy -i %{python3_sitelib}/*.egg-info %python_pkg_extras}
+
 
 %prep
 %setup -q -n %{srcname}-%{srcversion}
@@ -94,6 +109,7 @@ PYTHONPATH=. %{__python3} -m pytest test \
 * Mon May 10 2021 Nils Philippsen <nils@tiptoe.de> - 1.4.14-1
 - version 1.4.14
 - drop Python 2.x support
+- define extras subpackages
 
 * Fri Apr 30 2021 Tomas Hrnciar <thrnciar@redhat.com> - 1.3.22-3
 - Disabled failing test test_pyodbc_extra_connect_azure