mirror of https://github.com/hpcaitech/ColossalAI
90 lines
2.5 KiB
Python
90 lines
2.5 KiB
Python
# Copyright 2023 lm-sys@FastChat
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
import dataclasses
|
|
from enum import Enum, auto
|
|
from typing import List
|
|
|
|
|
|
class SeparatorStyle(Enum):
|
|
ADD_EOS_TOKEN = auto()
|
|
|
|
|
|
@dataclasses.dataclass
|
|
class Conversation:
|
|
system: str
|
|
roles: List[str]
|
|
messages: List[List[str]]
|
|
offset: int
|
|
sep_style: SeparatorStyle = SeparatorStyle.ADD_EOS_TOKEN
|
|
sep: str = "</s>"
|
|
|
|
skip_next: bool = False
|
|
|
|
def get_prompt(self):
|
|
if self.sep_style == SeparatorStyle.ADD_EOS_TOKEN:
|
|
ret = self.system
|
|
for role, message in self.messages:
|
|
if message:
|
|
ret += role + ": " + message + self.sep
|
|
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,
|
|
roles=self.roles,
|
|
messages=[[x, y] for x, y in self.messages],
|
|
offset=self.offset,
|
|
sep_style=self.sep_style,
|
|
sep=self.sep,
|
|
)
|
|
|
|
def dict(self):
|
|
return {
|
|
"system": self.system,
|
|
"roles": self.roles,
|
|
"messages": self.messages,
|
|
"offset": self.offset,
|
|
"sep": self.sep,
|
|
}
|
|
|
|
|
|
conv = Conversation(
|
|
system="A chat between a curious human and an artificial intelligence assistant. "
|
|
"The assistant gives helpful, detailed, and polite answers to the human's questions.\n\n",
|
|
roles=("Human", "Assistant"),
|
|
messages=(),
|
|
offset=0,
|
|
sep_style=SeparatorStyle.ADD_EOS_TOKEN,
|
|
sep="</s>",
|
|
)
|
|
|
|
default_conversation = conv
|