Raise minimum SQLAlchemy version to 1.2.0

Per [1], this is the latest supported version of SQLAlchemy. 1.1.x and
earlier are EOL.

[1] https://www.sqlalchemy.org/download.html#relstatus

Change-Id: I63e4baf772be9ddfb787ac3aff01fcaddf7b901c
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>

2 files changed, 0 insertions, 69 deletions

diff --git a/oslo_db/sqlalchemy/compat/__init__.py b/oslo_db/sqlalchemy/compat/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/oslo_db/sqlalchemy/compat/__init__.py
+++ /dev/null
diff --git a/oslo_db/sqlalchemy/compat/utils.py b/oslo_db/sqlalchemy/compat/utils.py
deleted file mode 100644
index 1d27a56..0000000
--- a/oslo_db/sqlalchemy/compat/utils.py
+++ /dev/null
@@ -1,69 +0,0 @@
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-import re
-
-import sqlalchemy
-
-
-SQLA_VERSION = tuple(
-    int(num) if re.match(r'^\d+$', num) else num
-    for num in sqlalchemy.__version__.split(".")
-)
-
-sqla_110 = SQLA_VERSION >= (1, 1, 0)
-sqla_100 = SQLA_VERSION >= (1, 0, 0)
-sqla_097 = SQLA_VERSION >= (0, 9, 7)
-sqla_094 = SQLA_VERSION >= (0, 9, 4)
-sqla_090 = SQLA_VERSION >= (0, 9, 0)
-sqla_08 = SQLA_VERSION >= (0, 8)
-
-
-def get_postgresql_enums(conn):
-    """Return a list of ENUM type names on a Postgresql backend.
-
-    For SQLAlchemy 0.9 and lower, makes use of the semi-private
-    _load_enums() method of the Postgresql dialect.  In SQLAlchemy
-    1.0 this feature is supported using get_enums().
-
-    This function may only be called when the given connection
-    is against the Postgresql backend.  It will fail for other
-    kinds of backends.
-
-    """
-    if sqla_100:
-        return [e['name'] for e in sqlalchemy.inspect(conn).get_enums()]
-    else:
-        return conn.dialect._load_enums(conn).keys()
-
-
-def adapt_type_object(type_object, target_class, *args, **kw):
-    """Call the adapt() method on a type.
-
-    For SQLAlchemy 1.0, runs a local version of constructor_copy() that
-    allows keyword arguments to be overridden.
-
-    See https://github.com/zzzeek/sqlalchemy/commit/\
-    ceeb033054f09db3eccbde3fad1941ec42919a54
-
-    """
-    if sqla_110:
-        return type_object.adapt(target_class, *args, **kw)
-    else:
-        # NOTE(zzzeek): this only works for basic types, won't work for
-        # schema types like Enum, Boolean
-        # NOTE(zzzeek): this code can be removed once requirements
-        # are at SQLAlchemy >= 1.1
-        names = sqlalchemy.util.get_cls_kwargs(target_class)
-        kw.update(
-            (k, type_object.__dict__[k]) for k in names.difference(kw)
-            if k in type_object.__dict__)
-        return target_class(*args, **kw)