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85 lines
2.7 KiB
Python

import re
import random
# 定义规则库:模式(正则表达式) -> 响应模板列表
rules = {
r'I need (.*)': [
"Why do you need {0}?",
"Would it really help you to get {0}?",
"Are you sure you need {0}?"
],
r'Why don\'t you (.*)\?': [
"Do you really think I don't {0}?",
"Perhaps eventually I will {0}.",
"Do you really want me to {0}?"
],
r'Why can\'t I (.*)\?': [
"Do you think you should be able to {0}?",
"If you could {0}, what would you do?",
"I don't know -- why can't you {0}?"
],
r'I am (.*)': [
"Did you come to me because you are {0}?",
"How long have you been {0}?",
"How do you feel about being {0}?"
],
r'.* mother .*': [
"Tell me more about your mother.",
"What was your relationship with your mother like?",
"How do you feel about your mother?"
],
r'.* father .*': [
"Tell me more about your father.",
"How did your father make you feel?",
"What has your father taught you?"
],
r'.*': [
"Please tell me more.",
"Let's change focus a bit... Tell me about your family.",
"Can you elaborate on that?"
]
}
# 定义代词转换规则
pronoun_swap = {
"i": "you", "you": "i", "me": "you", "my": "your",
"am": "are", "are": "am", "was": "were", "i'd": "you would",
"i've": "you have", "i'll": "you will", "yours": "mine",
"mine": "yours"
}
def swap_pronouns(phrase):
"""
对输入短语中的代词进行第一/第二人称转换
"""
words = phrase.lower().split()
swapped_words = [pronoun_swap.get(word, word) for word in words]
return " ".join(swapped_words)
def respond(user_input):
"""
根据规则库生成响应
"""
for pattern, responses in rules.items():
match = re.search(pattern, user_input, re.IGNORECASE)
if match:
# 捕获匹配到的部分
captured_group = match.group(1) if match.groups() else ''
# 进行代词转换
swapped_group = swap_pronouns(captured_group)
# 从模板中随机选择一个并格式化
response = random.choice(responses).format(swapped_group)
return response
# 如果没有匹配任何特定规则,使用最后的通配符规则
return random.choice(rules[r'.*'])
# 主聊天循环
if __name__ == '__main__':
print("Therapist: Hello! How can I help you today?")
while True:
user_input = input("You: ")
if user_input.lower() in ["quit", "exit", "bye"]:
print("Therapist: Goodbye. It was nice talking to you.")
break
response = respond(user_input)
print(f"Therapist: {response}")