Exemplo n.º 1
0
 def __init__(self, bus, url=None, map_file=None):
     plugins.SimplePlugin.__init__(self, bus)
     self.url = url
     self.dbm = DBManager()
     self.qbs = QueryBuilder()
     self.qbs.set_mapper(map_file)
     self.db_result = Results()
     self.con = None
Exemplo n.º 2
0
 def setUp(self):
     """default"""
     metadata = load_from_file("starting_db.yaml")
     app = QueryBuilder()
     app.set_mapper('testmap.yaml')
     app.set_from_tables(metadata.tables)
     app.recognize_schema() # without loading statistics
     self.app = app
Exemplo n.º 3
0
class QueryBuilderBus(plugins.SimplePlugin):
    """
    A WSPBus plugin that controls
      1. a SQLAlchemy engine/connection pool.
      2. a QueryBuilder
    """
    def __init__(self, bus, url=None, map_file=None):
        plugins.SimplePlugin.__init__(self, bus)
        self.url = url
        self.dbm = DBManager()
        self.qbs = QueryBuilder()
        self.qbs.set_mapper(map_file)
        self.db_result = Results()
        self.con = None

    def start(self):
        """get db connection"""
        print 'Connecting to database '
        self.con = self.dbm.connect(self.url)
        self.qbs.set_from_tables(self.dbm.load_tables( \
                 self.dbm.get_alias(self.url)))
        if self.dbm.db_type[self.dbm.get_alias(self.url)] == 'mysql':
            self.qbs.mapper.set_sens(True)
        self.qbs.recognize_schema(self.dbm, \
                self.dbm.get_alias(self.url))

    def stop(self):
        """close db connection"""
        self.con.close()
        self.con = None
Exemplo n.º 4
0
 def setUp(self):
     """initialize test sqlite db then metadata"""
     if os.path.exists('unittest.db'):
         os.unlink('unittest.db')
     test_db = UnittestDB()
     metadata = test_db.load_with_fake_data('oracle.sql',
                         'sqlite:///unittest.db')
     self.metadata = metadata
     app = QueryBuilder()
     app.set_mapper('map.yaml')
     app.set_from_tables(metadata.tables)
     app.recognize_schema() # without loading statistics
     self.app = app