File size: 1,665 Bytes
732e77c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | import re
from typing import Optional
# Simple, deterministic rules:
def _intent_greeting(text: str) -> Optional[str]:
if re.search(r'\b(hi|hello|hey)\b', text, re.IGNORECASE):
return 'Hi there! I am an anonymous, rule-based helper. Ask me about hours, contact, or help.'
return None
def _intent_help(text: str) -> Optional[str]:
if re.search(r'\b(help|what can you do|commands)\b', text, re.IGNORECASE):
return ("I’m a simple rule-based bot. Try:\n"
"- 'hours' to see hours\n"
"- 'contact' to get contact info\n"
"- 'reverse <text>' to reverse text\n")
return None
def _intent_hours(text: str) -> Optional[str]:
if re.search(r'\bhours?\b', text, re.IGNORECASE):
return 'We are open Mon-Fri, 9am-5am (local time).'
return None
def _intent_contact(text: str) -> Optional[str]:
if re.search(r'\b(contact|support|reach)\b', text, re.IGNORECASE):
return 'You can reach support at our website contact form.'
return None
def _intent_reverse(text: str) -> Optional[str]:
s = text.strip()
if s.lower().startswith('reverse'):
payload = s[7:].strip()
return payload[::-1] if payload else "There's nothing to reverse."
return None
def _fallback(_text: str) -> str:
return "I am not sure how to help with that. Type 'help' to see what I can do."
RULES = [
_intent_reverse,
_intent_greeting,
_intent_help,
_intent_hours,
_intent_contact
]
def route(text: str) -> str:
for rule in RULES:
resp = rule(text)
if resp is not None:
return resp
return _fallback(text) |