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artiq
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environment: call prepare for children by default, closes #545

This commit is contained in:
Sebastien Bourdeauducq 2016-09-07 20:20:20 +08:00
parent 1cb8f642b4
commit 5fbcdacec7
2 changed files with 12 additions and 1 deletions
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2
RELEASE_NOTES.rst
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@ -8,6 +8,8 @@ Release notes
* The --embed option of applets is replaced with the environment variable * The --embed option of applets is replaced with the environment variable
ARTIQ_APPLET_EMBED. ARTIQ_APPLET_EMBED.
* EnvExperiment's prepare calls prepare for all its children.
2.0rc1 2.0rc1
------ ------

11
artiq/language/environment.py
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@ -194,6 +194,7 @@ class HasEnvironment:
"""Provides methods to manage the environment of an experiment (arguments, """Provides methods to manage the environment of an experiment (arguments,
devices, datasets).""" devices, datasets)."""
def __init__(self, managers_or_parent, *args, **kwargs): def __init__(self, managers_or_parent, *args, **kwargs):
self.children = []
if isinstance(managers_or_parent, tuple): if isinstance(managers_or_parent, tuple):
self.__device_mgr = managers_or_parent[0] self.__device_mgr = managers_or_parent[0]
self.__dataset_mgr = managers_or_parent[1] self.__dataset_mgr = managers_or_parent[1]
@ -202,11 +203,15 @@ class HasEnvironment:
self.__device_mgr = managers_or_parent.__device_mgr self.__device_mgr = managers_or_parent.__device_mgr
self.__dataset_mgr = managers_or_parent.__dataset_mgr self.__dataset_mgr = managers_or_parent.__dataset_mgr
self.__argument_mgr = managers_or_parent.__argument_mgr self.__argument_mgr = managers_or_parent.__argument_mgr
managers_or_parent.register_child(self)
self.__in_build = True self.__in_build = True
self.build(*args, **kwargs) self.build(*args, **kwargs)
self.__in_build = False self.__in_build = False
def register_child(self, child):
self.children.append(child)
def build(self): def build(self):
"""Should be implemented by the user to request arguments. """Should be implemented by the user to request arguments.
@ -373,7 +378,11 @@ class EnvExperiment(Experiment, HasEnvironment):
environment manager. environment manager.
Most experiment should derive from this class.""" Most experiment should derive from this class."""
pass def prepare(self):
"""The default prepare method calls prepare for all children, in the
order of instantiation."""
for child in self.children:
child.prepare()
def is_experiment(o): def is_experiment(o):