def init_on_load(self):
"""Loads all necessary fields upon Condition being loaded from database"""
if not self.errors:
errors = []
try:
self._data_param_name, run, self._api = get_transform_api(self.app_name, self.action_name)
get_transform(self.app_name, run)
except UnknownApp:
errors.append('Unknown app {}'.format(self.app_name))
except UnknownTransform:
errors.append('Unknown transform {}'.format(self.action_name))
self.errors = errors
def validate(self):
"""Validates the object"""
errors = []
try:
self._data_param_name, run, self._api = get_transform_api(self.app_name, self.action_name)
get_transform(self.app_name, run)
tmp_api = split_api_params(self._api, self._data_param_name)
validate_transform_parameters(tmp_api, self.arguments, self.action_name)
except UnknownApp:
errors.append('Unknown app {}'.format(self.app_name))
except UnknownTransform:
errors.append('Unknown transform {}'.format(self.action_name))
except InvalidArgument as e:
errors.extend(e.errors)
self.errors = errors
def validate_condition_transform_params(spec, app_name, action_type,
defined_actions, dereferencer):
from walkoff.appgateway import get_transform
from walkoff.appgateway import get_condition
seen = set()
for action_name, action in spec.items():
action = dereferencer(action)
action_params = dereferencer(action.get('parameters', []))
if action['run'] not in defined_actions:
raise InvalidApi('{0} action {1} has a "run" param {2} '
'which is not defined'.format(
action_type, action_name, action['run']))
data_in_param_name = action['data_in']
validate_data_in_param(
action_params, data_in_param_name,
'{0} action {1}'.format(action_type, action_name))
if action_type == 'Condition':
function_ = get_condition(app_name, action['run'])
else:
function_ = get_transform(app_name, action['run'])
validate_action_params(action_params, dereferencer, action_type,
action_name, function_)
seen.add(action['run'])
if seen != set(defined_actions):
logger.warning(
'Global {0}s have defined the following actions which do not have a corresponding API: '
'{1}'.format(action_type.lower(), (set(defined_actions) - seen)))
def __init__(self, app_name, action_name, id=None, arguments=None):
"""Initializes a new Transform object. A Transform is used to transform input into a workflow.
Args:
app_name (str): The app name associated with this transform
action_name (str): The action name for the transform.
id (str|UUID, optional): Optional UUID to pass into the Transform. Must be UUID object or valid UUID string.
Defaults to None.
arguments (list[Argument], optional): Dictionary of Argument keys to Argument values.
This dictionary will be converted to a dictionary of str:Argument. Defaults to None.
"""
ExecutionElement.__init__(self, id)
self.app_name = app_name
self.action_name = action_name
self._data_param_name = None
self._run = None
self._api = None
self.arguments = []
if arguments:
self.arguments = arguments
self.validate()
self._transform_executable = get_transform(self.app_name, self._run)
def __init__(self, app_name, action_name, arguments=None, uid=None):
"""Initializes a new Transform object. A Transform is used to transform input into a workflow.
Args:
app_name (str): The app name associated with this transform
action_name (str): The action name for the transform.
arguments (list[Argument], optional): Dictionary of Argument keys to Argument values.
This dictionary will be converted to a dictionary of str:Argument. Defaults to None.
uid (str, optional): A universally unique identifier for this object.
Created from uuid.uuid4() in Python
"""
ExecutionElement.__init__(self, uid)
self.app_name = app_name
self.action_name = action_name
self._data_param_name, self._run, self._api = get_transform_api(self.app_name, self.action_name)
self._transform_executable = get_transform(self.app_name, self._run)
arguments = {arg.name: arg for arg in arguments} if arguments is not None else {}
tmp_api = split_api_params(self._api, self._data_param_name)
validate_transform_parameters(tmp_api, arguments, self.action_name)
self.arguments = arguments
def validate_condition_transform_params(spec, app_name, action_type, defined_actions, dereferencer):
from walkoff.appgateway import get_transform
from walkoff.appgateway import get_condition
seen = set()
for action_name, action in spec.items():
action = dereferencer(action)
action_params = dereferencer(action.get('parameters', []))
if action['run'] not in defined_actions:
raise InvalidApi('{0} action {1} has a "run" param {2} '
'which is not defined'.format(action_type, action_name, action['run']))
data_in_param_name = action['data_in']
validate_data_in_param(action_params, data_in_param_name, '{0} action {1}'.format(action_type, action_name))
if action_type == 'Condition':
function_ = get_condition(app_name, action['run'])
else:
function_ = get_transform(app_name, action['run'])
validate_action_params(action_params, dereferencer, action_type, action_name, function_)
seen.add(action['run'])
if seen != set(defined_actions):
logger.warning('Global {0}s have defined the following actions which do not have a corresponding API: '
'{1}'.format(action_type.lower(), (set(defined_actions) - seen)))
def init_on_load(self):
"""Loads all necessary fields upon Condition being loaded from database"""
if not self.errors:
self._data_param_name, self._run, self._api = get_transform_api(self.app_name, self.action_name)
self._transform_executable = get_transform(self.app_name, self._run)