mirror of
https://github.com/Vision-CAIR/MiniGPT-4.git
synced 2025-04-06 11:00:48 +00:00
89 lines
2.5 KiB
Python
89 lines
2.5 KiB
Python
import argparse
|
|
import time
|
|
from PIL import Image
|
|
|
|
import torch
|
|
from transformers import AutoTokenizer, AutoModelForCausalLM, LlamaTokenizer
|
|
from transformers import StoppingCriteria, StoppingCriteriaList
|
|
|
|
import dataclasses
|
|
from enum import auto, Enum
|
|
from typing import List, Tuple, Any
|
|
|
|
from minigpt4.common.registry import registry
|
|
|
|
|
|
class SeparatorStyle(Enum):
|
|
"""Different separator style."""
|
|
SINGLE = auto()
|
|
TWO = auto()
|
|
|
|
|
|
@dataclasses.dataclass
|
|
class Conversation:
|
|
"""A class that keeps all conversation history."""
|
|
system: str
|
|
roles: List[str]
|
|
messages: List[List[str]]
|
|
offset: int
|
|
# system_img: List[Image.Image] = []
|
|
sep_style: SeparatorStyle = SeparatorStyle.SINGLE
|
|
sep: str = "###"
|
|
sep2: str = None
|
|
|
|
skip_next: bool = False
|
|
conv_id: Any = None
|
|
|
|
def get_prompt(self):
|
|
if self.sep_style == SeparatorStyle.SINGLE:
|
|
ret = self.system + self.sep
|
|
for role, message in self.messages:
|
|
if message:
|
|
ret += role + ": " + message + self.sep
|
|
else:
|
|
ret += role + ":"
|
|
return ret
|
|
elif self.sep_style == SeparatorStyle.TWO:
|
|
seps = [self.sep, self.sep2]
|
|
ret = self.system + seps[0]
|
|
for i, (role, message) in enumerate(self.messages):
|
|
if message:
|
|
ret += role + ": " + message + seps[i % 2]
|
|
else:
|
|
ret += role + ":"
|
|
return ret
|
|
else:
|
|
raise ValueError(f"Invalid style: {self.sep_style}")
|
|
|
|
def append_message(self, role, message):
|
|
self.messages.append([role, message])
|
|
|
|
def to_gradio_chatbot(self):
|
|
ret = []
|
|
for i, (role, msg) in enumerate(self.messages[self.offset:]):
|
|
if i % 2 == 0:
|
|
ret.append([msg, None])
|
|
else:
|
|
ret[-1][-1] = msg
|
|
return ret
|
|
|
|
def copy(self):
|
|
return Conversation(
|
|
system=self.system,
|
|
# system_img=self.system_img,
|
|
roles=self.roles,
|
|
messages=[[x, y] for x, y in self.messages],
|
|
offset=self.offset,
|
|
sep_style=self.sep_style,
|
|
sep=self.sep,
|
|
sep2=self.sep2,
|
|
conv_id=self.conv_id)
|
|
|
|
def dict(self):
|
|
return {
|
|
"system": self.system,
|
|
# "system_img": self.system_img,
|
|
"roles": self.roles,
|
|
"messages": self.messages,
|
|
"offset": self.offset
|