Brant Knudson 244c6c55d7 Don't add warnings filter on import
The changeset module was adding a warnings filter on import. This
affects all applications that wind up importing it. A library
shouldn't modify the warnings filters unless asked.

Closes-Bug: #1407736
Change-Id: I893f8be48efd3d3642e977ab587c9e6dc867258b
2015-01-08 16:22:59 -06:00

27 lines
708 B
Python

"""
This module extends SQLAlchemy and provides additional DDL [#]_
support.
.. [#] SQL Data Definition Language
"""
import re
import sqlalchemy
from sqlalchemy import __version__ as _sa_version
_sa_version = tuple(int(re.match("\d+", x).group(0)) for x in _sa_version.split("."))
SQLA_07 = _sa_version >= (0, 7)
SQLA_08 = _sa_version >= (0, 8)
del re
del _sa_version
from migrate.changeset.schema import *
from migrate.changeset.constraint import *
sqlalchemy.schema.Table.__bases__ += (ChangesetTable, )
sqlalchemy.schema.Column.__bases__ += (ChangesetColumn, )
sqlalchemy.schema.Index.__bases__ += (ChangesetIndex, )
sqlalchemy.schema.DefaultClause.__bases__ += (ChangesetDefaultClause, )