Do not use signature deprecated since SQLAlchemy 0.9. (#55)

* Do not use signature deprecated since SQLAlchemy 0.9.

* Update CHANGES.rst

Co-authored-by: Marius Gedminas <marius@gedmin.as>

* Add changelog entry.

Co-authored-by: Michael Howitz <mh@gocept.com>
Co-authored-by: Marius Gedminas <marius@gedmin.as>
Co-authored-by: Thijs Damsma <tdamsma@gmail.com>

CHANGES.rst

@@ -8,6 +8,10 @@ Changes
   ``ZopeTransactionEvents``.
   (`#46 <https://github.com/zopefoundation/zope.sqlalchemy/issues/46>`_)
 
+- Reduce DeprecationWarnings with SQLAlchemy 1.4 and require at least
+  SQLAlchemy >= 0.9.
+  (`#54 <https://github.com/zopefoundation/zope.sqlalchemy/issues/54>`_)
+
 
 1.3 (2020-02-17)
 ----------------

setup.py

@@ -50,7 +50,7 @@
 
     install_requires=[
         'setuptools',
-        'SQLAlchemy>=0.7',
+        'SQLAlchemy>=0.9',
         'transaction>=1.6.0',
         'zope.interface>=3.6.0',
     ],

src/zope/sqlalchemy/datamanager.py

@@ -291,11 +291,13 @@ def after_attach(self, session, instance):
     def after_flush(self, session, flush_context):
         mark_changed(session, self.transaction_manager, self.keep_session)
 
-    def after_bulk_update(self, session, query, query_context, result):
-        mark_changed(session, self.transaction_manager, self.keep_session)
+    def after_bulk_update(self, update_context):
+        mark_changed(update_context.session,
+                     self.transaction_manager, self.keep_session)
 
-    def after_bulk_delete(self, session, query, query_context, result):
-        mark_changed(session, self.transaction_manager, self.keep_session)
+    def after_bulk_delete(self, delete_context):
+        mark_changed(delete_context.session,
+                     self.transaction_manager, self.keep_session)
 
     def before_commit(self, session):
         assert (