377 lines
15 KiB
Python
377 lines
15 KiB
Python
import json
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import six
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from moto.core.responses import BaseResponse
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from werkzeug.exceptions import HTTPException
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from moto.core.utils import camelcase_to_underscores, method_names_from_class
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from .exceptions import SWFSerializationException
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from .models import swf_backends
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class SWFResponse(BaseResponse):
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@property
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def swf_backend(self):
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return swf_backends[self.region]
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# SWF parameters are passed through a JSON body, so let's ease retrieval
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@property
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def _params(self):
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return json.loads(self.body.decode("utf-8"))
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def _check_none_or_string(self, parameter):
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if parameter is not None:
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self._check_string(parameter)
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def _check_string(self, parameter):
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if not isinstance(parameter, six.string_types):
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raise SWFSerializationException(parameter)
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def _check_none_or_list_of_strings(self, parameter):
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if parameter is not None:
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self._check_list_of_strings(parameter)
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def _check_list_of_strings(self, parameter):
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if not isinstance(parameter, list):
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raise SWFSerializationException(parameter)
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for i in parameter:
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if not isinstance(i, six.string_types):
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raise SWFSerializationException(parameter)
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def _list_types(self, kind):
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domain_name = self._params["domain"]
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status = self._params["registrationStatus"]
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reverse_order = self._params.get("reverseOrder", None)
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self._check_string(domain_name)
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self._check_string(status)
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types = self.swf_backend.list_types(kind, domain_name, status, reverse_order=reverse_order)
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return json.dumps({
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"typeInfos": [_type.to_medium_dict() for _type in types]
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})
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def _describe_type(self, kind):
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domain = self._params["domain"]
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_type_args = self._params["{0}Type".format(kind)]
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name = _type_args["name"]
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version = _type_args["version"]
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self._check_string(domain)
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self._check_string(name)
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self._check_string(version)
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_type = self.swf_backend.describe_type(kind, domain, name, version)
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return json.dumps(_type.to_full_dict())
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def _deprecate_type(self, kind):
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domain = self._params["domain"]
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_type_args = self._params["{0}Type".format(kind)]
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name = _type_args["name"]
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version = _type_args["version"]
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self._check_string(domain)
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self._check_string(name)
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self._check_string(version)
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self.swf_backend.deprecate_type(kind, domain, name, version)
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return ""
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# TODO: implement pagination
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def list_domains(self):
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status = self._params["registrationStatus"]
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self._check_string(status)
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reverse_order = self._params.get("reverseOrder", None)
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domains = self.swf_backend.list_domains(status, reverse_order=reverse_order)
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return json.dumps({
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"domainInfos": [domain.to_short_dict() for domain in domains]
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})
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def register_domain(self):
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name = self._params["name"]
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retention = self._params["workflowExecutionRetentionPeriodInDays"]
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description = self._params.get("description")
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self._check_string(retention)
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self._check_string(name)
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self._check_none_or_string(description)
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domain = self.swf_backend.register_domain(name, retention,
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description=description)
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return ""
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def deprecate_domain(self):
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name = self._params["name"]
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self._check_string(name)
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domain = self.swf_backend.deprecate_domain(name)
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return ""
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def describe_domain(self):
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name = self._params["name"]
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self._check_string(name)
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domain = self.swf_backend.describe_domain(name)
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return json.dumps(domain.to_full_dict())
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# TODO: implement pagination
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def list_activity_types(self):
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return self._list_types("activity")
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def register_activity_type(self):
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domain = self._params["domain"]
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name = self._params["name"]
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version = self._params["version"]
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default_task_list = self._params.get("defaultTaskList")
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if default_task_list:
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task_list = default_task_list.get("name")
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else:
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task_list = None
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default_task_heartbeat_timeout = self._params.get("defaultTaskHeartbeatTimeout")
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default_task_schedule_to_close_timeout = self._params.get("defaultTaskScheduleToCloseTimeout")
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default_task_schedule_to_start_timeout = self._params.get("defaultTaskScheduleToStartTimeout")
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default_task_start_to_close_timeout = self._params.get("defaultTaskStartToCloseTimeout")
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description = self._params.get("description")
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self._check_string(domain)
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self._check_string(name)
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self._check_string(version)
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self._check_none_or_string(task_list)
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self._check_none_or_string(default_task_heartbeat_timeout)
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self._check_none_or_string(default_task_schedule_to_close_timeout)
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self._check_none_or_string(default_task_schedule_to_start_timeout)
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self._check_none_or_string(default_task_start_to_close_timeout)
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self._check_none_or_string(description)
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# TODO: add defaultTaskPriority when boto gets to support it
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activity_type = self.swf_backend.register_type(
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"activity", domain, name, version, task_list=task_list,
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default_task_heartbeat_timeout=default_task_heartbeat_timeout,
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default_task_schedule_to_close_timeout=default_task_schedule_to_close_timeout,
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default_task_schedule_to_start_timeout=default_task_schedule_to_start_timeout,
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default_task_start_to_close_timeout=default_task_start_to_close_timeout,
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description=description,
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)
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return ""
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def deprecate_activity_type(self):
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return self._deprecate_type("activity")
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def describe_activity_type(self):
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return self._describe_type("activity")
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def list_workflow_types(self):
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return self._list_types("workflow")
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def register_workflow_type(self):
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domain = self._params["domain"]
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name = self._params["name"]
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version = self._params["version"]
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default_task_list = self._params.get("defaultTaskList")
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if default_task_list:
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task_list = default_task_list.get("name")
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else:
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task_list = None
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default_child_policy = self._params.get("defaultChildPolicy")
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default_task_start_to_close_timeout = self._params.get("defaultTaskStartToCloseTimeout")
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default_execution_start_to_close_timeout = self._params.get("defaultExecutionStartToCloseTimeout")
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description = self._params.get("description")
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self._check_string(domain)
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self._check_string(name)
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self._check_string(version)
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self._check_none_or_string(task_list)
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self._check_none_or_string(default_child_policy)
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self._check_none_or_string(default_task_start_to_close_timeout)
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self._check_none_or_string(default_execution_start_to_close_timeout)
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self._check_none_or_string(description)
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# TODO: add defaultTaskPriority when boto gets to support it
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# TODO: add defaultLambdaRole when boto gets to support it
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workflow_type = self.swf_backend.register_type(
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"workflow", domain, name, version, task_list=task_list,
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default_child_policy=default_child_policy,
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default_task_start_to_close_timeout=default_task_start_to_close_timeout,
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default_execution_start_to_close_timeout=default_execution_start_to_close_timeout,
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description=description,
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)
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return ""
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def deprecate_workflow_type(self):
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return self._deprecate_type("workflow")
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def describe_workflow_type(self):
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return self._describe_type("workflow")
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def start_workflow_execution(self):
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domain = self._params["domain"]
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workflow_id = self._params["workflowId"]
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_workflow_type = self._params["workflowType"]
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workflow_name = _workflow_type["name"]
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workflow_version = _workflow_type["version"]
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_default_task_list = self._params.get("defaultTaskList")
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if _default_task_list:
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task_list = _default_task_list.get("name")
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else:
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task_list = None
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child_policy = self._params.get("childPolicy")
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execution_start_to_close_timeout = self._params.get("executionStartToCloseTimeout")
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input_ = self._params.get("input")
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tag_list = self._params.get("tagList")
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task_start_to_close_timeout = self._params.get("taskStartToCloseTimeout")
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self._check_string(domain)
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self._check_string(workflow_id)
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self._check_string(workflow_name)
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self._check_string(workflow_version)
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self._check_none_or_string(task_list)
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self._check_none_or_string(child_policy)
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self._check_none_or_string(execution_start_to_close_timeout)
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self._check_none_or_string(input_)
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self._check_none_or_list_of_strings(tag_list)
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self._check_none_or_string(task_start_to_close_timeout)
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wfe = self.swf_backend.start_workflow_execution(
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domain, workflow_id, workflow_name, workflow_version,
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task_list=task_list, child_policy=child_policy,
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execution_start_to_close_timeout=execution_start_to_close_timeout,
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input=input_, tag_list=tag_list,
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task_start_to_close_timeout=task_start_to_close_timeout
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)
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return json.dumps({
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"runId": wfe.run_id
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})
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def describe_workflow_execution(self):
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domain_name = self._params["domain"]
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_workflow_execution = self._params["execution"]
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run_id = _workflow_execution["runId"]
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workflow_id = _workflow_execution["workflowId"]
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self._check_string(domain_name)
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self._check_string(run_id)
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self._check_string(workflow_id)
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wfe = self.swf_backend.describe_workflow_execution(domain_name, run_id, workflow_id)
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return json.dumps(wfe.to_full_dict())
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def get_workflow_execution_history(self):
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domain_name = self._params["domain"]
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_workflow_execution = self._params["execution"]
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run_id = _workflow_execution["runId"]
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workflow_id = _workflow_execution["workflowId"]
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reverse_order = self._params.get("reverseOrder", None)
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wfe = self.swf_backend.describe_workflow_execution(domain_name, run_id, workflow_id)
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events = wfe.events(reverse_order=reverse_order)
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return json.dumps({
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"events": [evt.to_dict() for evt in events]
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})
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def poll_for_decision_task(self):
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domain_name = self._params["domain"]
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task_list = self._params["taskList"]["name"]
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identity = self._params.get("identity")
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reverse_order = self._params.get("reverseOrder", None)
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self._check_string(domain_name)
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self._check_string(task_list)
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decision = self.swf_backend.poll_for_decision_task(
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domain_name, task_list, identity=identity
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)
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if decision:
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return json.dumps(
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decision.to_full_dict(reverse_order=reverse_order)
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)
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else:
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return json.dumps({"previousStartedEventId": 0, "startedEventId": 0})
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def count_pending_decision_tasks(self):
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domain_name = self._params["domain"]
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task_list = self._params["taskList"]["name"]
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self._check_string(domain_name)
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self._check_string(task_list)
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count = self.swf_backend.count_pending_decision_tasks(domain_name, task_list)
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return json.dumps({"count": count, "truncated": False})
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def respond_decision_task_completed(self):
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task_token = self._params["taskToken"]
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execution_context = self._params.get("executionContext")
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decisions = self._params.get("decisions")
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self._check_string(task_token)
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self._check_none_or_string(execution_context)
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self.swf_backend.respond_decision_task_completed(
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task_token, decisions=decisions, execution_context=execution_context
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)
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return ""
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def poll_for_activity_task(self):
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domain_name = self._params["domain"]
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task_list = self._params["taskList"]["name"]
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identity = self._params.get("identity")
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self._check_string(domain_name)
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self._check_string(task_list)
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self._check_none_or_string(identity)
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activity_task = self.swf_backend.poll_for_activity_task(
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domain_name, task_list, identity=identity
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)
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if activity_task:
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return json.dumps(
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activity_task.to_full_dict()
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)
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else:
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return json.dumps({"startedEventId": 0})
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def count_pending_activity_tasks(self):
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domain_name = self._params["domain"]
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task_list = self._params["taskList"]["name"]
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self._check_string(domain_name)
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self._check_string(task_list)
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count = self.swf_backend.count_pending_activity_tasks(domain_name, task_list)
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return json.dumps({"count": count, "truncated": False})
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def respond_activity_task_completed(self):
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task_token = self._params["taskToken"]
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result = self._params.get("result")
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self._check_string(task_token)
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self._check_none_or_string(result)
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self.swf_backend.respond_activity_task_completed(
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task_token, result=result
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)
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return ""
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def respond_activity_task_failed(self):
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task_token = self._params["taskToken"]
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reason = self._params.get("reason")
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details = self._params.get("details")
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self._check_string(task_token)
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# TODO: implement length limits on reason and details (common pb with client libs)
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self._check_none_or_string(reason)
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self._check_none_or_string(details)
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self.swf_backend.respond_activity_task_failed(
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task_token, reason=reason, details=details
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)
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return ""
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def terminate_workflow_execution(self):
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domain_name = self._params["domain"]
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workflow_id = self._params["workflowId"]
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child_policy = self._params.get("childPolicy")
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details = self._params.get("details")
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reason = self._params.get("reason")
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run_id = self._params.get("runId")
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self._check_string(domain_name)
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self._check_string(workflow_id)
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self._check_none_or_string(child_policy)
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self._check_none_or_string(details)
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self._check_none_or_string(reason)
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self._check_none_or_string(run_id)
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self.swf_backend.terminate_workflow_execution(
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domain_name, workflow_id, child_policy=child_policy,
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details=details, reason=reason, run_id=run_id
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)
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return ""
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def record_activity_task_heartbeat(self):
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task_token = self._params["taskToken"]
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details = self._params.get("details")
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self._check_string(task_token)
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self._check_none_or_string(details)
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self.swf_backend.record_activity_task_heartbeat(
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task_token, details=details
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)
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# TODO: make it dynamic when we implement activity tasks cancellation
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return json.dumps({"cancelRequested": False})
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