def create_from_yaml(
yaml_content, user_id, title, category, exploration_id=None,
image_id=None):
"""Creates an exploration from a YAML text string."""
exploration_dict = utils.dict_from_yaml(yaml_content)
init_state_name = exploration_dict['states'][0]['name']
exploration = Exploration.get(create_new(
user_id, title, category, exploration_id=exploration_id,
init_state_name=init_state_name, image_id=image_id))
init_state = State.get_by_name(init_state_name, exploration)
try:
exploration.parameters = [Parameter(
name=param['name'], obj_type=param['obj_type'],
values=param['values']
) for param in exploration_dict['parameters']]
state_list = []
for state_description in exploration_dict['states']:
state_name = state_description['name']
state = (init_state if state_name == init_state_name
else exploration.add_state(state_name))
state_list.append({'state': state, 'desc': state_description})
for index, state in enumerate(state_list):
modify_using_dict(exploration.id, state['state'].id, state['desc'])
except Exception:
exploration.delete()
raise
return exploration.id
def load_default_classifiers(cls):
"""Loads the default classifiers."""
classifier_ids = cls.get_classifier_ids()
for classifier_id in classifier_ids:
rules_filepath = os.path.join(
feconf.SAMPLE_CLASSIFIERS_DIR, classifier_id,
'%sRules.yaml' % classifier_id)
with open(rules_filepath) as f:
rule_dict = utils.dict_from_yaml(f.read().decode('utf-8'))
rules = []
for rule in rule_dict:
r_spec = RuleSpec(rule=rule, name=rule_dict[rule]['name'])
if 'checks' in rule_dict[rule]:
r_spec.checks = rule_dict[rule]['checks']
rules.append(r_spec)
Classifier(id=classifier_id, rules=rules).put()
def load_default_widgets(cls):
"""Loads the default widgets."""
widget_ids = os.listdir(feconf.NONINTERACTIVE_WIDGETS_DIR)
for widget_id in widget_ids:
widget_dir = os.path.join(
feconf.NONINTERACTIVE_WIDGETS_DIR, widget_id)
widget_conf_filename = '%s.config.yaml' % widget_id
with open(os.path.join(widget_dir, widget_conf_filename)) as f:
conf = utils.dict_from_yaml(f.read().decode('utf-8'))
conf['id'] = '%s-%s' % (feconf.NONINTERACTIVE_PREFIX, widget_id)
conf['params'] = [Parameter(**param) for param in conf['params']]
# TODO(sll): Should this be a template *location* instead?
conf['template'] = utils.get_file_contents(
os.path.join(widget_dir, '%s.html' % widget_id))
widget = cls(**conf)
widget.put()
def load_default_widgets(cls):
"""Loads the default widgets.
Assumes that everything is valid (directories exist, widget config files
are formatted correctly, etc.).
"""
widget_ids = os.listdir(feconf.INTERACTIVE_WIDGETS_DIR)
for widget_id in widget_ids:
widget_dir = os.path.join(feconf.INTERACTIVE_WIDGETS_DIR, widget_id)
widget_conf_filename = '%s.config.yaml' % widget_id
with open(os.path.join(widget_dir, widget_conf_filename)) as f:
conf = utils.dict_from_yaml(f.read().decode('utf-8'))
conf['id'] = '%s-%s' % (feconf.INTERACTIVE_PREFIX, widget_id)
conf['params'] = [Parameter(**param) for param in conf['params']]
conf['handlers'] = [AnswerHandler(**ah) for ah in conf['handlers']]
conf['template'] = utils.get_file_contents(
os.path.join(widget_dir, '%s.html' % widget_id))
widget = cls(**conf)
widget.put()
def create_from_yaml(
cls, yaml_file, user, title, category, exploration_id=None,
image_id=None):
"""Creates an exploration from a YAML file."""
exploration_dict = utils.dict_from_yaml(yaml_file)
init_state_name = exploration_dict['states'][0]['name']
exploration = cls.create(
user, title, category, exploration_id=exploration_id,
init_state_name=init_state_name, image_id=image_id)
init_state = State.get_by_name(init_state_name, exploration)
try:
for param in exploration_dict['parameters']:
exploration.parameters.append(Parameter(
name=param['name'], obj_type=param['obj_type'],
values=param['values'])
)
state_list = []
exploration_states = exploration_dict['states']
for state_description in exploration_states:
state_name = state_description['name']
state = (init_state if state_name == init_state_name
else exploration.add_state(state_name))
state_list.append({'state': state, 'desc': state_description})
for index, state in enumerate(state_list):
State.modify_using_dict(
exploration, state['state'], state['desc'])
except Exception:
exploration.delete()
raise
return exploration
