def create(workflow, new_order):
# Validation: all id's and orders exist and orders are in range 0..n-1
wfms = WfModule.objects.filter(workflow=workflow)
ids = [wfm.id for wfm in wfms]
for record in new_order:
if not isinstance(record, dict):
raise ValueError(
'JSON data must be an array of {id:x, order:y} objects')
if 'id' not in record:
raise ValueError('Missing WfModule id')
if record['id'] not in ids:
raise ValueError('Bad WfModule id')
if 'order' not in record:
raise ValueError('Missing WfModule order')
orders = [record['order'] for record in new_order]
orders.sort()
if orders != list(range(0, len(orders))):
raise ValueError('WfModule orders must be in range 0..n-1')
# Looks good, let's reorder
delta = Delta.create_impl(ReorderModulesCommand,
workflow=workflow,
old_order=json.dumps([{
'id': wfm.id,
'order': wfm.order
} for wfm in wfms]),
new_order=json.dumps(new_order),
command_description='Reordered modules')
notify_client_workflow_version_changed(workflow)
return delta
def create(parameter_val, value):
workflow = parameter_val.wf_module.workflow
pspec = parameter_val.parameter_spec
# We don't create a Delta for derived_data parameter. Such parameters are essentially caches,
# (e.g. chart output image) and are created either during module render() or in the front end
# Instead, we just set the value -- and trust that undo-ing the other parameters will also set
# the derived_data parameters.
if pspec.derived_data:
parameter_val.set_value(value)
return None
# Not derived data, we're doing this.
description = \
'Changed parameter \'' + pspec.name + '\' of \'' + parameter_val.wf_module.get_module_name() + '\' module'
delta = Delta.create_impl(ChangeParameterCommand,
parameter_val=parameter_val,
new_value=value,
old_value=parameter_val.get_value(),
workflow=workflow,
command_description=description)
# Clear wf_module errors, on the theory that user might have fixed them. The next render()
# or event() will re-create the errors if there is still a problem. The only other place
# errors are cleared is when an event is dispatched.
parameter_val.wf_module.set_ready(notify=False)
# increment workflow version number, triggers global re-render if this parameter can effect output
notify = not pspec.ui_only
if notify:
notify_client_workflow_version_changed(workflow)
return delta
def create(workflow, name):
old_name = workflow.name
description = 'Changed workflow name from ' + old_name + ' to ' + name
delta = Delta.create_impl(ChangeWorkflowTitleCommand,
workflow=workflow,
new_value=name,
old_value=old_name,
command_description=description)
return delta
def create(wf_module, notes):
old_value = wf_module.notes if wf_module.notes else ''
description = 'Changed workflow module note from ' + old_value + ' to ' + notes
delta = Delta.create_impl(ChangeWfModuleNotesCommand,
workflow=wf_module.workflow,
wf_module=wf_module,
new_value=notes,
old_value=old_value,
command_description=description)
return delta
def create(workflow, name):
old_name = workflow.name
description = 'Changed workflow name from ' + old_name + ' to ' + name
delta = Delta.create_impl(ChangeWorkflowTitleCommand,
workflow=workflow,
new_value=name,
old_value=old_name,
command_description=description)
# don't notify client b/c client has already updated UI
return delta
def create(wf_module, version):
description = \
'Changed \'' + wf_module.get_module_name() + '\' module data version to ' + str(version)
delta = Delta.create_impl(
ChangeDataVersionCommand,
wf_module=wf_module,
new_version=version,
old_version=wf_module.get_fetched_data_version(),
workflow=wf_module.workflow,
command_description=description)
return delta
def create(parameter_val, value):
workflow = parameter_val.wf_module.workflow
pspec = parameter_val.parameter_spec
description = \
'Changed parameter \'' + pspec.name + '\' of \'' + parameter_val.wf_module.get_module_name() + '\' module'
delta = Delta.create_impl(ChangeParameterCommand,
parameter_val=parameter_val,
new_value=value,
old_value=parameter_val.get_value(),
workflow=workflow,
command_description=description)
return delta
def create(wf_module, auto_update_data, next_update, update_interval):
description = 'Changed workflow update settings'
delta = Delta.create_impl(
ChangeWfModuleUpdateSettingsCommand,
workflow=wf_module.workflow,
wf_module=wf_module,
old_auto=wf_module.auto_update_data,
new_auto=auto_update_data,
old_next_update=wf_module.next_update,
new_next_update=next_update,
old_update_interval=wf_module.update_interval,
new_update_interval=update_interval,
command_description=description)
return delta
def create(workflow, module_version, insert_before):
with workflow.cooperative_lock():
newwfm = WfModule.objects.create(workflow=None,
module_version=module_version,
order=insert_before,
is_collapsed=False)
newwfm.create_default_parameters()
description = 'Added \'' + module_version.module.name + '\' module'
delta = Delta.create_impl(AddModuleCommand,
workflow=workflow,
wf_module=newwfm,
order=insert_before,
command_description=description)
return delta
def create(wf_module):
# critical section to make double delete check work correctly
with delete_lock:
workflow = wf_module.workflow
if workflow is None:
return None # this wfm was already deleted, do nothing
description = 'Deleted \'' + wf_module.get_module_name(
) + '\' module'
delta = Delta.create_impl(
DeleteModuleCommand,
workflow=workflow,
wf_module=wf_module,
selected_wf_module=workflow.selected_wf_module,
command_description=description)
notify_client_workflow_version_changed(workflow)
return delta
def create(wf_module, auto_update_data, next_update, update_interval):
description = 'Changed workflow update settings'
delta = Delta.create_impl(
ChangeWfModuleUpdateSettingsCommand,
workflow=wf_module.workflow,
wf_module=wf_module,
old_auto=wf_module.auto_update_data,
new_auto=auto_update_data,
old_next_update=wf_module.next_update,
new_next_update=next_update,
old_update_interval=wf_module.update_interval,
new_update_interval=update_interval,
command_description=description)
# No notification needed as client will do update
# notify_client_workflow_version_changed(wf_module.workflow)
return delta
def create(workflow, module_version, insert_before):
with workflow.cooperative_lock():
newwfm = WfModule.objects.create(workflow=None,
module_version=module_version,
order=insert_before,
is_collapsed=False)
newwfm.create_default_parameters()
# start EditCells collapsed, just this one module for now
if (module_version.module.id_name == 'editcells'):
newwfm.is_collapsed = True
description = 'Added \'' + module_version.module.name + '\' module'
delta = Delta.create_impl(AddModuleCommand,
workflow=workflow,
wf_module=newwfm,
order=insert_before,
command_description=description)
return delta