def _check_infinite_flows(self, flow_config, visited_flows=None):
"""
Recursively loop through the flow_config and check if there are any cycles.
:param steps: Set of step definitions to loop through
:param flows: Flows already visited.
:return: None
"""
if visited_flows is None:
visited_flows = set()
project_config = flow_config.project_config
for step in flow_config.steps.values():
if "flow" in step:
flow_name = step["flow"]
if flow_name == "None":
continue
next_flow_config = project_config.get_flow(flow_name)
signature = (
hash(next_flow_config.project_config.source),
next_flow_config.name,
)
if signature in visited_flows:
raise FlowInfiniteLoopError(
f"Infinite flows detected with flow {flow_name}")
visited_flows.add(signature)
self._check_infinite_flows(next_flow_config, visited_flows)
def _check_infinite_flows(self, steps, flows=None):
if flows == None:
flows = []
for step in steps.values():
if "flow" in step:
flow = step["flow"]
if flow in flows:
raise FlowInfiniteLoopError(
"Infinite flows detected with flow {}".format(flow))
flows.append(flow)
flow_config = self.project_config.get_flow(flow)
self._check_infinite_flows(flow_config.steps, flows)
def _check_infinite_flows(self, steps, flows=None):
"""
Recursively loop through the flow_config and check if there are any cycles.
:param steps: Set of step definitions to loop through
:param flows: Flows already visited.
:return: None
"""
if flows is None:
flows = []
for step in steps.values():
if "flow" in step:
flow = step["flow"]
if flow == "None":
continue
if flow in flows:
raise FlowInfiniteLoopError(
"Infinite flows detected with flow {}".format(flow))
flows.append(flow)
flow_config = self.project_config.get_flow(flow)
self._check_infinite_flows(flow_config.steps, flows)
