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"""Tutorial 2 - how to use decisions"""
import curio
import async_btree as bt
import contextvars
async def some_action():
print("continue here...")
async def say_hello():
print(f"Hello {name.get()}")
async def is_name_set():
return name.get() != ""
async def ask_for_name():
new_name = input("Hello, whats your name? \n")
if new_name != "":
name.set(new_name)
return bt.definition.SUCCESS
else:
return bt.definition.FAILURE
name = contextvars.ContextVar('name',default="")
greet_with_name = bt.decision(condition=is_name_set,
success_tree=bt.always_success(say_hello),
failure_tree=bt.sequence([ask_for_name,bt.always_success(say_hello)])
)
b_tree = bt.sequence(
children=[
greet_with_name,
bt.always_success(child=bt.action(target=some_action)),
]
if __name__ == '__main__':
curio.run(b_tree)
# You can take a look at the final behavior tree
abstract_tree_tree_1 = bt.analyze(b_tree)
print(bt.stringify_analyze(abstract_tree_tree_1))
geronimo-iia /
async-btree
