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      """SQLAlchemy Metadata and Session object"""

      from sqlalchemy.ext.declarative import declarative_base

      from sqlalchemy.orm import scoped_session, sessionmaker

      from beaker import cache

      from rhodecode.lib import caching_query

      # Beaker CacheManager.  A home base for cache configurations.

      cache_manager = cache.CacheManager()

      __all__ = ['Base', 'Session']

      #

      # SQLAlchemy session manager. Updated by model.init_model()

      #

      Session = scoped_session(

                      sessionmaker(

                          query_cls=caching_query.query_callable(cache_manager),

                          expire_on_commit=True,

                      )

                )

      # The declarative Base

      Base = declarative_base()

      #to use cache use this in query

      #.options(FromCache("sqlalchemy_cache_type", "cachekey"))

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				"""SQLAlchemy Metadata and Session object"""
				from sqlalchemy.ext.declarative import declarative_base
				from sqlalchemy.orm import scoped_session, sessionmaker
				from beaker import cache

				from rhodecode.lib import caching_query


				# Beaker CacheManager. A home base for cache configurations.
				cache_manager = cache.CacheManager()

				__all__ = ['Base', 'Session']
				#
				# SQLAlchemy session manager. Updated by model.init_model()
				#
				Session = scoped_session(
				sessionmaker(
				query_cls=caching_query.query_callable(cache_manager),
				expire_on_commit=True,
				)
				)

				# The declarative Base
				Base = declarative_base()

				#to use cache use this in query
				#.options(FromCache("sqlalchemy_cache_type", "cachekey"))