def _default_context(self):
""" Initialize the context using the config.
"""
config = self.template_config
context = TemplateContext()
update_members_from_preferences(context, config['context'])
return context
def _default_context(self):
""" Initialize the context using the config.
"""
config = self.template_config
context = TemplateContext()
update_members_from_preferences(context, config['context'])
return context
def build_from_config(cls, config, dependencies):
""" Create a new instance using the provided infos for initialisation.
Parameters
----------
config : dict(str)
Dictionary holding the new values to give to the members in string
format, or dictionnary like for instance with prefs.
dependencies : dict
Dictionary holding the necessary classes needed when rebuilding.
Returns
-------
sequence : AbstractSequence
Newly created and initiliazed sequence.
Notes
-----
This method is fairly powerful and can handle a lot of cases so
don't override it without checking that it works.
"""
sequence = cls()
update_members_from_preferences(sequence, config)
i = 0
pref = 'item_{}'
validated = []
while True:
item_name = pref.format(i)
if item_name not in config:
break
item_config = config[item_name]
i_id = item_config.pop('item_id')
i_cls = dependencies['ecpy.pulses.items'][i_id]
item = i_cls.build_from_config(item_config,
dependencies)
validated.append(item)
i += 1
setattr(sequence, 'items', validated)
return sequence
def build_from_config(cls, config, dependencies):
""" Create a new instance using the provided infos for initialisation.
Parameters
----------
config : dict(str)
Dictionary holding the new values to give to the members in string
format, or dictionnary like for instance with prefs.
dependencies : dict
Dictionary holding the necessary classes needed when rebuilding.
Returns
-------
pulse : pulse
Newly created and initiliazed sequence.
Notes
-----
This method is fairly powerful and can handle a lot of cases so
don't override it without checking that it works.
"""
pulse = cls()
#: Initialize the shape object with the right class, so that after
#: update_members_from_preferences can do all the rest (initialize
#: the shape's members)
if 'shape' in config:
shape_config = config['shape']
if not shape_config == 'None':
s_id = shape_config.pop('shape_id')
s_cls = dependencies['ecpy.pulses.shapes'][s_id]
shape = s_cls()
pulse.shape = shape
update_members_from_preferences(pulse, config)
return pulse
def build_from_config(cls, config, dependencies):
""" Create a new instance using the provided infos for initialisation.
Parameters
----------
config : dict(str)
Dictionary holding the new values to give to the members in string
format, or dictionnary like for instance with prefs.
dependencies : dict
Dictionary holding the necessary classes needed when rebuilding.
Returns
-------
pulse : pulse
Newly created and initiliazed sequence.
Notes
-----
This method is fairly powerful and can handle a lot of cases so
don't override it without checking that it works.
"""
pulse = cls()
#: Initialize the shape object with the right class, so that after
#: update_members_from_preferences can do all the rest (initialize
#: the shape's members)
if 'shape' in config:
shape_config = config['shape']
if not shape_config == 'None':
s_id = shape_config.pop('shape_id')
s_cls = dependencies['ecpy.pulses.shape'][s_id]
shape = s_cls()
pulse.shape = shape
update_members_from_preferences(pulse, config)
return pulse
def build_from_config(cls, config, dependencies):
""" Create a new instance using the provided infos for initialisation.
Parameters
----------
config : dict(str)
Dictionary holding the new values to give to the members in string
format, or dictionnary like for instance with prefs.
dependencies : dict
Dictionary holding the necessary classes needed when rebuilding.
Returns
-------
sequence : AbstractSequence
Newly created and initiliazed sequence.
"""
sequence = cls()
update_members_from_preferences(sequence, config)
i = 0
pref = 'item_{}'
while True:
item_name = pref.format(i)
if item_name not in config:
break
item_config = config[item_name]
i_id = item_config.pop('item_id')
i_cls = dependencies['ecpy.pulses.item'][i_id]
item = i_cls.build_from_config(item_config,
dependencies)
sequence.add_child_item(i, item)
i += 1
return sequence
def build_from_config(cls, config, dependencies):
""" Create a new instance using the provided infos for initialisation.
Overridden here to allow context creation.
Parameters
----------
config : dict(str)
Dictionary holding the new values to give to the members in string
format, or dictionnary like for instance with prefs.
dependencies : dict
Dictionary holding the necessary classes needed when rebuilding.
Returns
-------
sequence : TemplateSequence
Newly created and initiliazed sequence.
"""
# TOOD this is not correct as the template config is never retrieved
# First get the underlying template from the dependencies and merge
# config into it as it has more recent infos about the context and
# the vars.
dep = dependencies
# Don't want to alter the dependencies dict in case somebody else use
# the same template.
t_config = deepcopy(config)
# Make sure the template_vars stored in the config match the one
# declared in the template.
t_vars = literal_eval(config.pop('template_vars'))
declared_t_vars = literal_eval(t_config['template_vars'])
for var in declared_t_vars:
declared_t_vars[var] = t_vars.get(var, '')
t_config['template_vars'] = repr(declared_t_vars)
t_config.merge(config)
config = t_config
context_config = config['context']
context_id_name = context_config.pop('context_id')
context_id = dep['ecpy.pulses.context'][context_id_name]
context = context_id()
update_members_from_preferences(context, context_config)
seq = super(TemplateSequence,
cls).build_from_config(t_config, dependencies)
seq.docs = config['template_doc']
seq.context = context
# Do the indexing of the children once and for all.
i = 1
for item in seq.items:
item.index = i
item.root = seq
if isinstance(item, BaseSequence):
item._recompute_indexes()
i = item._last_index + 1
else:
i += 1
return seq
def build_from_config(cls, config, dependencies):
""" Create a new instance using the provided infos for initialisation.
Overridden here to allow context creation.
Parameters
----------
config : dict(str)
Dictionary holding the new values to give to the members in string
format, or dictionnary like for instance with prefs.
dependencies : dict
Dictionary holding the necessary classes needed when rebuilding.
Returns
-------
sequence : TemplateSequence
Newly created and initiliazed sequence.
"""
# First get the underlying template from the dependencies and merge
# config into it as it has more recent infos about the context and
# the vars.
dep = dependencies
# Don't want to alter the dependencies dict in case somebody else use
# the same template.
t_config = deepcopy(config)
# Make sure the template_vars stored in the config match the one
# declared in the template.
t_vars = literal_eval(config.pop('template_vars'))
declared_t_vars = literal_eval(t_config['template_vars'])
for var in declared_t_vars:
declared_t_vars[var] = t_vars.get(var, '')
t_config['template_vars'] = repr(declared_t_vars)
t_config.merge(config)
config = t_config
context_config = config['context']
context_id_name = context_config.pop('context_id')
context_id = dep['ecpy.pulses.contexts'][context_id_name]
context = context_id()
update_members_from_preferences(context, context_config)
seq = super(TemplateSequence, cls).build_from_config(t_config,
dependencies)
seq.docs = config['template_doc']
seq.context = context
# Do the indexing of the children once and for all.
i = 1
for item in seq.items:
item.index = i
item.root = seq
if isinstance(item, BaseSequence):
item._recompute_indexes()
i = item._last_index + 1
else:
i += 1
return seq
