text: import sys
  import re
  import sqlalchemy as sa
  from pybald import context
  
  def create_dump_engine():
      '''Create a sql engine that just prints SQL using the current dialect to
      STDOUT instead of executing it.
  
      This is useful especially to see what the DDL statements are for various dialects
      '''
      def dump(sql, *multiparams, **params):
          sys.stdout.write( str(sql.compile(dialect=dump_engine.dialect) ).strip() +"\n")
  
      def dialect():
          match = re.search(r'^([^\:]*\:\/\/)', context.config.database_engine_uri)
          if match:
              return match.group(1)
          else:
              return "sqlite://"
      dump_engine = sa.create_engine(dialect(), strategy='mock', executor=dump)
      return dump_engine