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Add dialog policy

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This commit is contained in:
s495728 2024-06-10 02:39:46 +02:00
parent a850690dc9
commit 166dd4886c
2 changed files with 31 additions and 6 deletions
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2
src/main.py
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@ -32,7 +32,7 @@ while True:
monitor.update(frame)
# DP
# print(dialog_policy.next_dialogue_act(monitor.read()).act)
system_action = dialog_policy.predict(monitor)
# NLG
act, slots = parse_frame(frame)

35
src/service/dialog_policy.py
View File

@ -1,8 +1,33 @@
from collections import defaultdict
from model.frame import Frame
from src.model.slot import Slot
class DialogPolicy:
def next_dialogue_act(self, frames: list[Frame]) -> Frame:
if frames[-1].act == "welcomemsg":
return Frame("system", "welcomemsg", [])
else:
return Frame("system", "canthelp", [])
def predict(self, dsm):
system_action = defaultdict(list)
last_frame = dsm.state['history'][-1]
if(dsm.was_previous_order_invalid==False):
match(last_frame.act.strip('/')):
case "inform" | "affirm":
current_active_status = dsm.get_current_active_stage()
match(current_active_status):
case "collect_food":
system_action["inform"].append([Slot("menu", dsm.state['constants']['menu'])])
case "collect_drinks":
system_action["inform"].append([Slot("drink"), dsm.state['constants']['drink']])
case "collect_address":
system_action["request"].append([Slot("address")])
if(current_active_status == None):
system_action["inform"].append([Slot("order"), dsm.belief_state])
case "request":
for slot in last_frame.slots:
system_action["inform"].append([Slot(slot), dsm.state['constants'][slot]])
case "welcomemsg":
system_action["inform"].append([Slot("menu"), dsm.state['constants']['menu']])
case "bye":
system_action["bye"].append([], None)
case "negate":
system_action["affirm"].append([], None)
return system_action