def connectionMetaDict(self):
        connectionMetaDict = dict()
        connections = [n for n in self.items() if type(n) == DrawEdge]
        for c in connections:
            if not c.sourceDrawNode() or not c.destDrawNode():
                continue
            connectionString = "%s|%s" % (str(c.sourceDrawNode().dagNode.uuid), str(c.destDrawNode().dagNode.uuid))
            connectionMetaDict[connectionString] = dict()
            connectionMetaDict[connectionString]['horizontalConnectionOffset'] = str(c.horizontalConnectionOffset)
        return connectionMetaDict
Returns a dictionary containing meta information for each of the draw
dataset/ETHPy150Open andrew-gardner/dependsworkflow/depends/depends_graphics_widgets.py/SceneWidget.connectionMetaDict