forked from HsuHeinrich/we-chatgpt
-
Notifications
You must be signed in to change notification settings - Fork 0
/
chatbotv3.py
484 lines (460 loc) · 15.1 KB
/
chatbotv3.py
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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
"""
A simple wrapper for the official ChatGPT API
"""
import argparse
import json
import os
import sys
import urllib
import requests
import tiktoken
from utils import create_completer
from utils import create_session
from utils import get_input
ENGINE = os.environ.get("GPT_ENGINE") or "gpt-3.5-turbo"
ENCODER = tiktoken.get_encoding("gpt2")
class Chatbot:
"""
Official ChatGPT API
"""
def __init__(
self,
api_key: str,
engine: str = None,
proxy: str = None,
max_tokens: int = 3000,
temperature: float = 0.5,
top_p: float = 1.0,
reply_count: int = 1,
system_prompt: str = "你是全能助手小h,善于解决一切问题",
) -> None:
"""
Initialize Chatbot with API key (from https://platform.openai.com/account/api-keys)
"""
self.engine = engine or ENGINE
self.session = requests.Session()
self.api_key = api_key
self.proxy = proxy
if self.proxy:
proxies = {
"http": self.proxy,
"https": self.proxy,
}
self.session.proxies = proxies
self.conversation: dict = {
"default": [
{
"role": "system",
"content": system_prompt,
},
],
}
self.system_prompt = system_prompt
self.max_tokens = max_tokens
self.temperature = temperature
self.top_p = top_p
self.reply_count = reply_count
initial_conversation = "\n".join(
[x["content"] for x in self.conversation["default"]],
)
if len(ENCODER.encode(initial_conversation)) > self.max_tokens:
raise Exception("System prompt is too long")
def add_to_conversation(self, message: str, role: str, convo_id: str = "default"):
"""
Add a message to the conversation
"""
self.conversation[convo_id].append({"role": role, "content": message})
def __truncate_conversation(self, convo_id: str = "default"):
"""
Truncate the conversation
"""
while True:
full_conversation = "\n".join(
[x["content"] for x in self.conversation[convo_id]],
)
if (
len(ENCODER.encode(full_conversation)) > self.max_tokens
and len(self.conversation[convo_id]) > 1
):
# Don't remove the first message
self.conversation[convo_id].pop(1)
else:
break
def ask_stream(
self,
prompt: str,
role: str = "user",
convo_id: str = "default",
**kwargs,
) -> str:
"""
Ask a question
"""
self.add_to_conversation(prompt, "user", convo_id=convo_id)
self.__truncate_conversation(convo_id=convo_id)
# Get response
response = self.session.post(
"https://api.openai.com/v1/chat/completions",
headers={"Authorization": f"Bearer {kwargs.get('api_key', self.api_key)}"},
json={
"model": self.engine,
"messages": self.conversation[convo_id],
"stream": True,
# kwargs
"temperature": kwargs.get("temperature", self.temperature),
"top_p": kwargs.get("top_p", self.top_p),
"n": kwargs.get("n", self.reply_count),
"user": role,
},
stream=True,
)
if response.status_code != 200:
raise Exception(
f"Error: {response.status_code} {response.reason} {response.text}",
)
response_role: str = None
full_response: str = ""
for line in response.iter_lines():
if not line:
continue
# Remove "data: "
line = line.decode("utf-8")[6:]
if line == "[DONE]":
break
resp: dict = json.loads(line)
choices = resp.get("choices")
if not choices:
continue
delta = choices[0].get("delta")
if not delta:
continue
if "role" in delta:
response_role = delta["role"]
if "content" in delta:
content = delta["content"]
full_response += content
yield content
self.add_to_conversation(full_response, response_role, convo_id=convo_id)
def ask(self, prompt: str, role: str = "user", convo_id: str = "default", **kwargs):
"""
Non-streaming ask
"""
response = self.ask_stream(
prompt=prompt,
role=role,
convo_id=convo_id,
**kwargs,
)
full_response: str = "".join(response)
return full_response
def rollback(self, n: int = 1, convo_id: str = "default"):
"""
Rollback the conversation
"""
for _ in range(n):
self.conversation[convo_id].pop()
def reset(self, convo_id: str = "default", system_prompt: str = None):
"""
Reset the conversation
"""
self.conversation[convo_id] = [
{"role": "system", "content": system_prompt or self.system_prompt},
]
def save(self, file: str):
"""
Save the conversation to a JSON file
"""
try:
with open(file, "w", encoding="utf-8") as f:
json.dump(self.conversation, f, indent=2)
except FileNotFoundError:
print(f"Error: {file} cannot be created")
def load(self, file: str):
"""
Load the conversation from a JSON file
"""
try:
with open(file, encoding="utf-8") as f:
self.conversation = json.load(f)
except FileNotFoundError:
print(f"Error: {file} does not exist")
def print_config(self, convo_id: str = "default"):
"""
Prints the current configuration
"""
print(
f"""
ChatGPT Configuration:
Messages: {len(self.conversation[convo_id])} / {self.max_tokens}
Engine: {self.engine}
Temperature: {self.temperature}
Top_p: {self.top_p}
Reply count: {self.reply_count}
""",
)
def print_help(self):
"""
Prints the help message
"""
print(
"""
Commands:
!help Display this message
!rollback n Rollback the conversation by n messages
!save filename Save the conversation to a file
!load filename Load the conversation from a file
!reset Reset the conversation
!exit Quit chat
Config Commands:
!config Display the current config
!temperature n Set the temperature to n
!top_p n Set the top_p to n
!reply_count n Set the reply_count to n
!engine engine Sets the chat model to engine
""",
)
def handle_commands(self, input: str, convo_id: str = "default") -> bool:
"""
Handle chatbot commands
"""
command, *value = input.split(" ")
if command == "!help":
self.print_help()
elif command == "!exit":
exit()
elif command == "!reset":
self.reset(convo_id=convo_id)
print("\nConversation has been reset")
elif command == "!config":
self.print_config(convo_id=convo_id)
elif command == "!rollback":
self.rollback(int(value[0]), convo_id=convo_id)
print(f"\nRolled back by {value[0]} messages")
elif command == "!save":
self.save(value[0])
print(f"\nConversation has been saved to {value[0]}")
elif command == "!load":
self.load(value[0])
print(
f"\n{len(self.conversation[convo_id])} messages loaded from {value[0]}",
)
elif command == "!temperature":
self.temperature = float(value[0])
print(f"\nTemperature set to {value[0]}")
elif command == "!top_p":
self.top_p = float(value[0])
print(f"\nTop_p set to {value[0]}")
elif command == "!reply_count":
self.reply_count = int(value[0])
print(f"\nReply count set to {value[0]}")
elif command == "!engine":
self.engine = value[0]
print(f"\nEngine set to {value[0]}")
else:
return False
return True
def main():
"""
Main function
"""
print(
"""
ChatGPT - Official ChatGPT API
Repo: github.com/acheong08/ChatGPT
""",
)
print("Type '!help' to show a full list of commands")
print("Press Esc followed by Enter or Alt+Enter to send a message.\n")
# Get API key from command line
parser = argparse.ArgumentParser()
parser.add_argument(
"--api_key",
type=str,
required=True,
help="OpenAI API key",
)
parser.add_argument(
"--temperature",
type=float,
default=0.5,
help="Temperature for response",
)
parser.add_argument(
"--no_stream",
action="store_true",
help="Disable streaming",
)
parser.add_argument(
"--base_prompt",
type=str,
default="你是全能助手小h,善于解决一切问题",
help="Base prompt for chatbot",
)
parser.add_argument(
"--proxy",
type=str,
default=None,
help="Proxy address",
)
parser.add_argument(
"--top_p",
type=float,
default=1,
help="Top p for response",
)
parser.add_argument(
"--reply_count",
type=int,
default=1,
help="Number of replies for each prompt",
)
parser.add_argument(
"--enable-internet",
action="store_true",
help="Allow ChatGPT to search the internet",
)
args = parser.parse_args()
# Initialize chatbot
chatbot = Chatbot(
api_key=args.api_key,
system_prompt=args.base_prompt,
proxy=args.proxy,
temperature=args.temperature,
top_p=args.top_p,
reply_count=args.reply_count,
)
# Check if internet is enabled
if args.enable_internet:
chatbot.system_prompt = """
You are ChatGPT, an AI assistant that can access the internet. Internet search results will be sent from the system in JSON format.
Respond conversationally and cite your sources via a URL at the end of your message.
"""
chatbot.reset(
convo_id="search",
system_prompt='For given prompts, summarize it to fit the style of a search query to a search engine. If the prompt cannot be answered by an internet search, is a standalone statement, is a creative task, is directed at a person, or does not make sense, type "none". DO NOT TRY TO RESPOND CONVERSATIONALLY. DO NOT TALK ABOUT YOURSELF. IF THE PROMPT IS DIRECTED AT YOU, TYPE "none".',
)
chatbot.add_to_conversation(
message="What is the capital of France?",
role="user",
convo_id="search",
)
chatbot.add_to_conversation(
message="Capital of France",
role="assistant",
convo_id="search",
)
chatbot.add_to_conversation(
message="Who are you?",
role="user",
convo_id="search",
)
chatbot.add_to_conversation(message="none", role="assistant", convo_id="search")
chatbot.add_to_conversation(
message="Write an essay about the history of the United States",
role="user",
convo_id="search",
)
chatbot.add_to_conversation(
message="none",
role="assistant",
convo_id="search",
)
chatbot.add_to_conversation(
message="What is the best way to cook a steak?",
role="user",
convo_id="search",
)
chatbot.add_to_conversation(
message="How to cook a steak",
role="assistant",
convo_id="search",
)
chatbot.add_to_conversation(
message="Hello world",
role="user",
convo_id="search",
)
chatbot.add_to_conversation(
message="none",
role="assistant",
convo_id="search",
)
chatbot.add_to_conversation(
message="Who is the current president of the United States?",
role="user",
convo_id="search",
)
chatbot.add_to_conversation(
message="United States president",
role="assistant",
convo_id="search",
)
session = create_session()
completer = create_completer(
[
"!help",
"!exit",
"!reset",
"!rollback",
"!config",
"!engine",
"!temperture",
"!top_p",
"!reply_count",
"!save",
"!load",
],
)
# Start chat
while True:
print()
try:
print("User: ")
prompt = get_input(session=session, completer=completer)
except KeyboardInterrupt:
print("\nExiting...")
sys.exit()
if prompt.startswith("!") and chatbot.handle_commands(prompt):
continue
print()
print("ChatGPT: ", flush=True)
if args.enable_internet:
query = chatbot.ask(
f'This is a prompt from a user to a chatbot: "{prompt}". Respond with "none" if it is directed at the chatbot or cannot be answered by an internet search. Otherwise, respond with a possible search query to a search engine. Do not write any additional text. Make it as minimal as possible',
convo_id="search",
temperature=0.0,
).strip()
print("Searching for: ", query, "")
# Get search results
if query == "none":
search_results = '{"results": "No search results"}'
else:
search_results = requests.post(
url="https://ddg-api.herokuapp.com/search",
json={"query": query, "limit": 3},
timeout=10,
).text
print(json.dumps(json.loads(search_results), indent=4))
chatbot.add_to_conversation(
"Search results:" + search_results,
"system",
convo_id="default",
)
if args.no_stream:
print(chatbot.ask(prompt, "user", convo_id="default"))
else:
for query in chatbot.ask_stream(prompt):
print(query, end="", flush=True)
else:
if args.no_stream:
print(chatbot.ask(prompt, "user"))
else:
for query in chatbot.ask_stream(prompt):
print(query, end="", flush=True)
print()
if __name__ == "__main__":
try:
main()
except KeyboardInterrupt:
print("\nExiting...")
sys.exit()