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import time
from enum import Enum
from pydantic import BaseModel, Field
from typing import List, Optional
class Role(str, Enum):
USER = "user"
ASSISTANT = "assistant"
SYSTEM = "system"
class Finish(str, Enum):
STOP = "stop"
LENGTH = "length"
class ModelCard(BaseModel):
id: str
object: Optional[str] = "model"
created: Optional[int] = Field(default_factory=lambda: int(time.time()))
owned_by: Optional[str] = "owner"
root: Optional[str] = None
parent: Optional[str] = None
permission: Optional[list] = []
class ModelList(BaseModel):
object: Optional[str] = "list"
data: Optional[List[ModelCard]] = []
class ChatMessage(BaseModel):
role: Role
content: str
class DeltaMessage(BaseModel):
role: Optional[Role] = None
content: Optional[str] = None
class ChatCompletionRequest(BaseModel):
model: str
messages: List[ChatMessage]
temperature: Optional[float] = None
top_p: Optional[float] = None
n: Optional[int] = 1
max_tokens: Optional[int] = None
stream: Optional[bool] = False
class ChatCompletionResponseChoice(BaseModel):
index: int
message: ChatMessage
finish_reason: Finish
class ChatCompletionResponseStreamChoice(BaseModel):
index: int
delta: DeltaMessage
finish_reason: Optional[Finish] = None
class ChatCompletionResponseUsage(BaseModel):
prompt_tokens: int
completion_tokens: int
total_tokens: int
class ChatCompletionResponse(BaseModel):
id: Optional[str] = "chatcmpl-default"
object: Optional[str] = "chat.completion"
created: Optional[int] = Field(default_factory=lambda: int(time.time()))
model: str
choices: List[ChatCompletionResponseChoice]
usage: ChatCompletionResponseUsage
class ChatCompletionStreamResponse(BaseModel):
id: Optional[str] = "chatcmpl-default"
object: Optional[str] = "chat.completion.chunk"
created: Optional[int] = Field(default_factory=lambda: int(time.time()))
model: str
choices: List[ChatCompletionResponseStreamChoice]
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