def load_code_from_file(self, filename):
# Clear out the old references
self.canvas = self.controller = self.exec_model = None
self.exec_model = ExecutionModel.from_file(filename)
self.controller = BlockGraphController(execution_model=self.exec_model)
self.canvas = BlockCanvas(graph_controller=self.controller)
self.controller.canvas = self.canvas
def load_from_config(self, config, dirname, project=None):
""" Loads the experiment. The existing state of the experiment is
completely modified.
Parameters
----------
config: a dict-like object
The keys should correspond to the configspec for experiments as
defined in project_config_spec.
dirname: a string
the absolute path to the subdirectory of the project that
holds the experiment's saved data
project: Project instance
If provided, the project is used to hook up references to
the shared context.
"""
join = os.path.join
self.name = config.get("name", "")
if "code_file" in config:
# Clear out the old references
self.canvas = self.controller = self.exec_model = None
self.exec_model = ExecutionModel.from_file(
join(dirname, config["code_file"]))
self.controller = BlockGraphController(
execution_model=self.exec_model)
self.canvas = BlockCanvas(graph_controller=self.controller)
self.controller.canvas = self.canvas
if "layout_file" in config:
self.canvas.load_layout(join(dirname, config["layout_file"]))
if "local_context" in config:
self._local_context = DataContext.load(
join(dirname, config["local_context"]))
shared_context = None
if project is not None:
name = config.get("shared_context")
if name != "":
shared_context = project.find_context(name)
self._shared_context = shared_context
self._update_exec_context()
def __init__(self, code=None, shared_context=None, *args, **kwargs):
super(Experiment, self).__init__(*args, **kwargs)
if code is None:
self.exec_model = ExecutionModel()
else:
self.exec_model = ExecutionModel.from_code(code)
self.controller = BlockGraphController(execution_model=self.exec_model)
self.canvas = BlockCanvas(graph_controller=self.controller)
self.controller.canvas = self.canvas
self._shared_context = shared_context
self._local_context = DataContext(name=self._LOCAL_NAME_TEMPLATE())
self._update_exec_context()
