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scm-app: allow to set documented pyro4 as scm_app_implementation....
scm-app: allow to set documented pyro4 as scm_app_implementation. The documented ini setting allows to set pyro4 as scm_app, while the backend code crashes on import of pyro4 module. This change allows to configure the app based on the .ini docs. if we pass pyro4 as backedn, we simply skip import and use the default pyro4 scm_app

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__init__.py
30 lines | 841 B | text/x-python | PythonLexer
"""
This module extends SQLAlchemy and provides additional DDL [#]_
support.
.. [#] SQL Data Definition Language
"""
import re
import warnings
import sqlalchemy
from sqlalchemy import __version__ as _sa_version
warnings.simplefilter('always', DeprecationWarning)
_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 rhodecode.lib.dbmigrate.migrate.changeset.schema import *
from rhodecode.lib.dbmigrate.migrate.changeset.constraint import *
sqlalchemy.schema.Table.__bases__ += (ChangesetTable,)
sqlalchemy.schema.Column.__bases__ += (ChangesetColumn,)
sqlalchemy.schema.Index.__bases__ += (ChangesetIndex,)
sqlalchemy.schema.DefaultClause.__bases__ += (ChangesetDefaultClause,)