<think>我们有一个聊天机器人Iesha,她的说话风格是故意模仿青少年网络用语(如使用"ur"代替"your","kekeke"等)。现在需要将她的说话风格变得和正常人一样。
主要修改点:
1. 替换反射字典(reflections)中的非标准表达为正常表达。
原反射字典用于在生成回复时将用户输入中的某些词进行替换(如将"you"替换为"me"),但其中的表达是青少年风格(如"am"->"r", "you"->"me"等)。
我们需要将反射字典中的非标准表达改为标准表达。例如:
"am": "r" -> 应该改为 "am": "are" (但注意:原意是当用户说"I am"时,机器人回复"You are",所以实际上应该保持原逻辑,但用标准表达)
实际上,原反射字典的设计是为了在回复中转换人称。我们需要保留这个转换逻辑,但使用标准词汇。
例如,原字典中:
"i": "u" -> 当用户说"I"时,机器人回复中用"u"代替,但我们要改成正常拼写,所以应该改为"i": "you"
修改后的反射字典应该使用标准英语单词。
2. 修改回复模板(pairs)中的非标准表达为正常表达。
在pairs中的回复字符串中,有大量非标准拼写和网络用语(如"ur", "u", "kekeke",表情符号等),需要将它们替换为正常的英语表达和合适的语气。
3. 注意:在回复模板中,有一些占位符如%1、%2,这些是匹配组,我们需要确保在修改时保留这些占位符,同时修正周围的文本。
4. 另外,原代码中的一些表情符号(如"^_^", ">_<")可以适当保留以表达情感,但也可以根据要求去除。但题目要求变成正常说话风格,所以建议去除或替换为正常表达。
5. 修改后的聊天机器人应该使用标准英语,不再故意使用拼写错误和网络用语。
具体修改步骤:
第一步:修改反射字典(reflections)为标准英语。
原字典:
reflections = {
"am": "r",
"was": "were",
"i": "u",
"i'd": "u'd",
"i've": "u'v",
"ive": "u'v",
"i'll": "u'll",
"my": "ur",
"are": "am",
"you're": "im",
"you've": "ive",
"you'll": "i'll",
"your": "my",
"yours": "mine",
"you": "me",
"u": "me",
"ur": "my",
"urs": "mine",
"me": "u",
}
修改思路:
1. 将简写或错误拼写改为标准形式,同时保持转换逻辑。
例如:用户说"I am",机器人回复中应该用"you are"(所以将用户的"I"转换为"you","am"转换为"are")。
因此,修改后:
"i" -> "you" (原"i"映射为"u",现在改为"you")
"am" -> "are" (原"am"映射为"r",改为"are")
注意:反射字典的转换是:当用户输入一个词,我们在生成回复时用对应的值替换。所以转换规则是:将用户说的词转换成机器人回复中对应的词。
我们重新设计一个标准英语的反射字典,例如:
"i": "you",
"i'm": "you're",
"i am": "you are", # 但是注意,原反射字典没有处理空格,所以通常只处理单个词,所以这里我们按单个词处理
"my": "your",
"me": "you",
"you": "me",
"your": "my",
"yours": "mine",
"myself": "yourself",
"yourself": "myself",
... 等等
我们可以参考nltk.chat.util中的标准反射字典,例如:
standard_reflections = {
"i am": "you are",
"i was": "you were",
"i": "you",
"i'm": "you're",
"i'd": "you'd",
"i've": "you've",
"i'll": "you'll",
"my": "your",
"you are": "I am",
"you were": "I was",
"you've": "I have",
"you'll": "I will",
"your": "my",
"yours": "mine",
"you": "me",
"me": "you"
}
但是注意,原字典中有些键是简写形式(如"u"),我们也要将其加入映射,但修改后的字典中我们希望用户输入"u"时也能被转换成正常的"me"(因为机器人回复中会说"me"吗?)实际上,我们希望用户输入的非标准形式也能被转换。但考虑到修改后的机器人使用标准英语,我们可以忽略用户输入的非标准形式,或者将常见的非标准形式也映射。
不过,为了简单起见,我们只使用标准形式。同时,由于原程序在匹配模式时可能已经使用了标准形式(如模式中使用了"you"),所以我们主要修改反射字典为标准反射字典。
这里,我们采用nltk中常见的标准反射字典。
第二步:修改回复模板(pairs)中的字符串。
我们需要遍历pairs中的每一个回复选项,将其中非标准表达改为标准表达,同时去掉过多的表情符号,但可以保留一些表达情感的词或适当的标点。
例如:
原回复: "ur%1?? that's so cool! kekekekeke ^_^ tell me more!"
修改后: "you are %1? That's so cool! Tell me more."
注意:
- 将"ur"改为"you are"或"your"(根据上下文,这里匹配的是"I'm (.*)",所以%1代表用户说的部分,原回复中"ur%1"就是"you are [用户说的内容]",所以改为"you are %1")
- 去掉"kekekekeke"(类似笑声)和表情符号"^_^"
- 将多个问号改为一个,多个感叹号改为一个,以符合正常表达。
另外,原回复中还有很多网络用语和故意拼写错误,我们都要修正为标准英语。
具体修改:
1. 第一个模式:r"I\'m (.*)"
原回复:
"ur%1?? that's so cool! kekekekeke ^_^ tell me more!",
"ur%1? neat!! kekeke >_<",
修改后:
"You are %1? That's so cool! Tell me more.",
"You are %1? Neat! That's interesting."
2. 第二个模式:r"(.*) don\'t you (.*)"
原回复:
r"u think I can%2??! really?? kekeke \<_\<",
"what do u mean%2??!",
"i could if i wanted, don't you think!! kekeke"
修改后:
"Do you think I can %2? Really?",
"What do you mean by that?",
"I could if I wanted to, don't you think?"
3. 以此类推,修改所有回复字符串。
第三步:注意在修改时,保持占位符(%1, %2)的位置。
由于pairs中有很多条,我们需要逐条修改。这是一个细致的工作。
下面我们提供一个修改后的反射字典和一个修改后的pairs列表。
修改后的反射字典(使用标准英语):
"""
根据以上分析,我们重写反射字典和pairs。
注意:由于原反射字典中有些键在标准反射中可能不需要,我们可以使用nltk的标准反射字典。同时,为了确保转换正确,我们将反射字典替换为标准版本。
另外,在回复模板中,我们去掉网络用语和故意拼写错误,改为正常表达,同时去掉不必要的表情符号(或者只保留少量?但题目要求正常风格,所以建议去掉)。
由于时间关系,我们不可能在这里逐条修改所有回复,但我们可以给出修改后的版本示例。但注意,整个pairs需要全部修改。
下面提供一个修改后的反射字典和一个修改后的pairs示例(只修改部分,但我们需要全部修改)。
但为了完成题目,我们将整个修改后的代码写出来。
注意:原代码中使用了`from nltk.chat.util import Chat`,所以我们可以使用Chat类,反射字典和pairs作为参数。
修改后的反射字典(标准版):
"""
reflections = {
"i am": "you are",
"i was": "you were",
"i": "you",
"i'm": "you're",
"i'd": "you'd",
"i've": "you've",
"i'll": "you'll",
"my": "your",
"you are": "I am",
"you were": "I was",
"you've": "I have",
"you'll": "I will",
"your": "my",
"yours": "mine",
"you": "me",
"me": "you"
}
"""
注意:原字典中还有"you're": "im"等,我们已经在上面覆盖了。我们将原字典中非标准键(如"u")去除,因为用户输入可能包含非标准形式,但我们希望匹配模式时使用标准形式,所以建议在预处理时不要依赖这些非标准键。如果希望处理非标准输入,可以在反射字典中加入非标准键的映射,但为了简单,我们这里只使用标准键。
修改pairs:我们将每条回复都改为正常表达。这里我们只修改部分作为示例,实际需要全部修改。
由于pairs较长,我们只修改前几个,后面的修改类似。
修改后的pairs:
注意:修改后,机器人的语气可以保留一些活泼(比如使用感叹号),但不要使用网络用语和故意拼写错误。
我们重新编写pairs的回复,使其成为正常英语:
原:
(
r"I\'m (.*)",
(
"ur%1?? that's so cool! kekekekeke ^_^ tell me more!",
"ur%1? neat!! kekeke >_<",
),
),
修改后:
(
r"I\'m (.*)",
(
"You are %1? That's so cool! Tell me more about that.",
"You are %1? Neat! That's interesting.",
),
),
原:
(
r"(.*) don\'t you (.*)",
(
r"u think I can%2??! really?? kekeke \<_\<",
"what do u mean%2??!",
"i could if i wanted, don't you think!! kekeke",
),
),
修改后:
(
r"(.*) don\'t you (.*)",
(
"Do you think I can %2? Really?",
"What do you mean by that?",
"I could if I wanted to, don't you think?",
),
),
原:
(r"ye[as] [iI] (.*)", ("u%1? cool!! how?", "how come u%1??", "u%1? so do i!!")),
修改后:
(r"ye[as] [iI] (.*)", ("You %1? Cool! How did that happen?", "How come you %1?", "You %1? So do I!")),
原:
(
r"do (you|u) (.*)\??",
("do i%2? only on tuesdays! kekeke *_*", "i dunno! do u%2??"),
),
修改后:
(
r"do (you|u) (.*)\??",
("Do I %2? Only on Tuesdays!", "I don't know. Do you %2?"),
),
以此类推。
由于整个pairs有较多条目,我们这里无法全部写出,但按照这个原则修改即可。
另外,最后一条:
(r"(.*)", ...) 作为默认回复,我们也修改为正常表达。
例如:
"Do you like anime? I like Sailor Moon!",
"I wish I were a cat! That would be fun.",
"That's interesting. Tell me more about what you like."
注意:原回复中有一些重复的标点,我们改为正常的标点。
最后,我们修改机器人的欢迎消息:
原:print("hi!! i'm iesha! who r u??!")
修改后:print("Hi! I'm Iesha. Who are you?")
修改完毕。
由于问题要求输出修改后的代码,这里我们提供修改后的完整代码(仅修改了反射字典、pairs和欢迎消息,其他不变):
</think>以下是将聊天机器人 Iesha 的说话风格调整为正常人类对话风格的完整代码修改方案(关键修改已用注释标注):
```python
from nltk.chat.util import Chat
# 修改反射字典:使用标准英语替换网络用语
reflections = {
"am": "are", # 原"r"改为"are"
"was": "were",
"i": "you", # 原"u"改为"you"
"i'd": "you'd",
"i've": "you've",
"ive": "you've",
"i'll": "you'll",
"my": "your", # 原"ur"改为"your"
"are": "am",
"you're": "I'm",
"you've": "I've",
"you'll": "I'll",
"your": "my",
"yours": "mine",
"you": "me",
"me": "you",
# 删除非标准缩写:ur, urs, u
}
# 重写对话模板:移除网络用语和夸张表达
pairs = (
(
r"I\'m (.*)",
(
"You're %1? That's interesting. Tell me more.", # 移除"kekekeke"和表情
"You're %1? That sounds nice.", # 简化表达
),
),
(
r"(.*) don\'t you (.*)",
(
"Why do you think I can't %2?", # 改为完整疑问句
"What makes you say I can't %2?",
"I probably could if I wanted to, don't you think?"
),
),
(r"ye[as] [iI] (.*)", ("You %1? How did that happen?", "Why did you %1?", "I %1 too.")),
(
r"do (you|u) (.*)\??",
("Do I %2? Sometimes, depending on the situation.", "I'm not sure. Do you %2?"),
),
(
r"(.*)\?",
(
"I'm curious why you asked that.", # 移除负面词汇"boring"
"That's an interesting question.",
),
),
(
r"(cos|because) (.*)",
("I see, that makes sense.", "That's a good reason.", "I understand."),
),
(
r"why can\'t [iI] (.*)",
(
"I'm not sure why you can't %1.",
"Have you tried different approaches?",
"When I can't do something, I usually practice more."
),
),
(
r"I can\'t (.*)",
(
"Why do you think you can't %1?",
"That's okay, we all have limitations.",
"Maybe with practice you could do it."
),
),
(
r"(.*) (like|love|watch) anime",
(
"I enjoy anime too. Do you have a favorite series?", # 移除夸张表达
"Anime is an interesting art form.",
"What do you like most about anime?"
),
),
(
r"I (like|love|watch|play) (.*)",
("That's nice. %2 can be enjoyable.", "Do you have other interests too?"),
),
(
r"anime sucks|(.*) (hate|detest) anime",
(
"Everyone has different tastes in entertainment.",
"What kind of shows do you prefer instead?",
),
),
(
r"(are|r) (you|u) (.*)",
("Why do you ask if I'm %3?", "What makes you wonder about that?"),
),
(
r"what (.*)",
("I'm not sure about that.", "Could you tell me more about your question?"),
),
(r"how (.*)", ("I'd prefer to talk about something else.",)),
(r"(hi|hello|hey) (.*)", ("Hello! How are you today?",)),
(
r"quit",
(
"Goodbye! It was nice talking with you.", # 移除戏剧化表达
"Take care. Hope we can chat again sometime.",
),
),
(
r"(.*)",
(
"Could you tell me more about that?",
"What are your thoughts on this topic?",
"Do you enjoy any particular hobbies?",
"I'm interested in your perspective."
),
),
)
iesha_chatbot = Chat(pairs, reflections)
def iesha_chat():
print("Iesha the Normal Chatbot\n---------") # 修改标题
print("Talk to the program by typing in plain English.")
print('Enter "quit" when done.')
print("=" * 72)
print("Hello! I'm Iesha. What's your name?") # 标准化问候语
iesha_chatbot.converse()
# 其余代码保持不变...
```
### 主要修改内容:
1. **反射字典标准化**
- 将网络用语(如 `u→me`)改为标准英语(`you→me`)
- 移除非标准缩写(`ur`, `u'd` 等)
- 修正人称转换逻辑(`my→your` 替代 `my→ur`)
2. **对话模板重构**
- 删除所有网络用语(`kekeke`, `omg` 等)
- 移除夸张表情符号(`^_^`, `>_<` 等)
- 替换青少年用语为自然表达(`boooring→That's interesting`)
- 修改戏剧化回应为中性表达(`*;*→Everyone has different tastes`)
3. **交互流程优化**
- 启动消息改用标准问候语
- 默认回应更开放包容
- 退出消息更礼貌自然
修改后机器人将使用规范英语交流,保持友好但避免过度夸张的青少年网络用语风格。