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300 lines
10 KiB
Python
300 lines
10 KiB
Python
import re
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from io import BytesIO
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from pathlib import Path
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from base64 import b64encode
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from typing import Any, Type, Tuple, Union, Mapping, Iterable, Optional, cast
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from nonebot.typing import overrides
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from .utils import log, _b2s, escape, unescape
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from nonebot.adapters import Message as BaseMessage
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from nonebot.adapters import MessageSegment as BaseMessageSegment
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class MessageSegment(BaseMessageSegment["Message"]):
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"""
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CQHTTP 协议 MessageSegment 适配。具体方法参考协议消息段类型或源码。
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"""
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@classmethod
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@overrides(BaseMessageSegment)
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def get_message_class(cls) -> Type["Message"]:
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return Message
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@overrides(BaseMessageSegment)
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def __str__(self) -> str:
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type_ = self.type
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data = self.data.copy()
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# process special types
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if type_ == "text":
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return escape(
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data.get("text", ""), # type: ignore
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escape_comma=False)
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params = ",".join(
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[f"{k}={escape(str(v))}" for k, v in data.items() if v is not None])
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return f"[CQ:{type_}{',' if params else ''}{params}]"
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@overrides(BaseMessageSegment)
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def __add__(self, other) -> "Message":
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return Message(self) + (MessageSegment.text(other) if isinstance(
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other, str) else other)
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@overrides(BaseMessageSegment)
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def __radd__(self, other) -> "Message":
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return (MessageSegment.text(other)
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if isinstance(other, str) else Message(other)) + self
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@overrides(BaseMessageSegment)
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def is_text(self) -> bool:
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return self.type == "text"
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@staticmethod
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def anonymous(ignore_failure: Optional[bool] = None) -> "MessageSegment":
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return MessageSegment("anonymous", {"ignore": _b2s(ignore_failure)})
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@staticmethod
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def at(user_id: Union[int, str]) -> "MessageSegment":
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return MessageSegment("at", {"qq": str(user_id)})
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@staticmethod
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def contact(type_: str, id: int) -> "MessageSegment":
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return MessageSegment("contact", {"type": type_, "id": str(id)})
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@staticmethod
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def contact_group(group_id: int) -> "MessageSegment":
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return MessageSegment("contact", {"type": "group", "id": str(group_id)})
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@staticmethod
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def contact_user(user_id: int) -> "MessageSegment":
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return MessageSegment("contact", {"type": "qq", "id": str(user_id)})
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@staticmethod
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def dice() -> "MessageSegment":
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return MessageSegment("dice", {})
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@staticmethod
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def face(id_: int) -> "MessageSegment":
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return MessageSegment("face", {"id": str(id_)})
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@staticmethod
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def forward(id_: str) -> "MessageSegment":
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log("WARNING", "Forward Message only can be received!")
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return MessageSegment("forward", {"id": id_})
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@staticmethod
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def image(file: Union[str, bytes, BytesIO, Path],
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type_: Optional[str] = None,
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cache: bool = True,
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proxy: bool = True,
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timeout: Optional[int] = None) -> "MessageSegment":
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if isinstance(file, BytesIO):
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file = file.getvalue()
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if isinstance(file, bytes):
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file = f"base64://{b64encode(file).decode()}"
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elif isinstance(file, Path):
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file = f"file:///{file.resolve()}"
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return MessageSegment(
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"image", {
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"file": file,
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"type": type_,
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"cache": _b2s(cache),
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"proxy": _b2s(proxy),
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"timeout": timeout
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})
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@staticmethod
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def json(data: str) -> "MessageSegment":
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return MessageSegment("json", {"data": data})
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@staticmethod
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def location(latitude: float,
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longitude: float,
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title: Optional[str] = None,
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content: Optional[str] = None) -> "MessageSegment":
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return MessageSegment(
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"location", {
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"lat": str(latitude),
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"lon": str(longitude),
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"title": title,
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"content": content
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})
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@staticmethod
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def music(type_: str, id_: int) -> "MessageSegment":
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return MessageSegment("music", {"type": type_, "id": id_})
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@staticmethod
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def music_custom(url: str,
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audio: str,
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title: str,
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content: Optional[str] = None,
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img_url: Optional[str] = None) -> "MessageSegment":
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return MessageSegment(
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"music", {
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"type": "custom",
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"url": url,
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"audio": audio,
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"title": title,
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"content": content,
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"image": img_url
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})
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@staticmethod
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def node(id_: int) -> "MessageSegment":
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return MessageSegment("node", {"id": str(id_)})
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@staticmethod
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def node_custom(user_id: int, nickname: str,
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content: Union[str, "Message"]) -> "MessageSegment":
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return MessageSegment("node", {
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"user_id": str(user_id),
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"nickname": nickname,
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"content": content
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})
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@staticmethod
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def poke(type_: str, id_: str) -> "MessageSegment":
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return MessageSegment("poke", {"type": type_, "id": id_})
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@staticmethod
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def record(file: Union[str, bytes, BytesIO, Path],
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magic: Optional[bool] = None,
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cache: Optional[bool] = None,
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proxy: Optional[bool] = None,
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timeout: Optional[int] = None) -> "MessageSegment":
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if isinstance(file, BytesIO):
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file = file.getvalue()
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if isinstance(file, bytes):
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file = f"base64://{b64encode(file).decode()}"
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elif isinstance(file, Path):
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file = f"file:///{file.resolve()}"
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return MessageSegment(
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"record", {
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"file": file,
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"magic": _b2s(magic),
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"cache": _b2s(cache),
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"proxy": _b2s(proxy),
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"timeout": timeout
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})
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@staticmethod
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def reply(id_: int) -> "MessageSegment":
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return MessageSegment("reply", {"id": str(id_)})
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@staticmethod
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def rps() -> "MessageSegment":
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return MessageSegment("rps", {})
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@staticmethod
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def shake() -> "MessageSegment":
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return MessageSegment("shake", {})
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@staticmethod
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def share(url: str = "",
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title: str = "",
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content: Optional[str] = None,
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image: Optional[str] = None) -> "MessageSegment":
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return MessageSegment("share", {
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"url": url,
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"title": title,
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"content": content,
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"image": image
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})
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@staticmethod
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def text(text: str) -> "MessageSegment":
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return MessageSegment("text", {"text": text})
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@staticmethod
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def video(file: Union[str, bytes, BytesIO, Path],
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cache: Optional[bool] = None,
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proxy: Optional[bool] = None,
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timeout: Optional[int] = None) -> "MessageSegment":
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if isinstance(file, BytesIO):
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file = file.getvalue()
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if isinstance(file, bytes):
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file = f"base64://{b64encode(file).decode()}"
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elif isinstance(file, Path):
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file = f"file:///{file.resolve()}"
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return MessageSegment(
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"video", {
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"file": file,
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"cache": _b2s(cache),
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"proxy": _b2s(proxy),
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"timeout": timeout
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})
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@staticmethod
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def xml(data: str) -> "MessageSegment":
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return MessageSegment("xml", {"data": data})
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class Message(BaseMessage[MessageSegment]):
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"""
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CQHTTP 协议 Message 适配。
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"""
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@classmethod
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@overrides(BaseMessage)
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def get_segment_class(cls) -> Type[MessageSegment]:
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return MessageSegment
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@overrides(BaseMessage)
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def __add__(self, other: Union[str, Mapping,
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Iterable[Mapping]]) -> "Message":
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return super(Message, self).__add__(
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MessageSegment.text(other) if isinstance(other, str) else other)
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@overrides(BaseMessage)
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def __radd__(self, other: Union[str, Mapping,
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Iterable[Mapping]]) -> "Message":
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return super(Message, self).__radd__(
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MessageSegment.text(other) if isinstance(other, str) else other)
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@staticmethod
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@overrides(BaseMessage)
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def _construct(
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msg: Union[str, Mapping,
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Iterable[Mapping]]) -> Iterable[MessageSegment]:
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if isinstance(msg, Mapping):
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msg = cast(Mapping[str, Any], msg)
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yield MessageSegment(msg["type"], msg.get("data") or {})
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return
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elif isinstance(msg, Iterable) and not isinstance(msg, str):
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for seg in msg:
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yield MessageSegment(seg["type"], seg.get("data") or {})
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return
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elif isinstance(msg, str):
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def _iter_message(msg: str) -> Iterable[Tuple[str, str]]:
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text_begin = 0
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for cqcode in re.finditer(
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r"\[CQ:(?P<type>[a-zA-Z0-9-_.]+)"
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r"(?P<params>"
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r"(?:,[a-zA-Z0-9-_.]+=[^,\]]+)*"
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r"),?\]", msg):
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yield "text", msg[text_begin:cqcode.pos + cqcode.start()]
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text_begin = cqcode.pos + cqcode.end()
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yield cqcode.group("type"), cqcode.group("params").lstrip(
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",")
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yield "text", msg[text_begin:]
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for type_, data in _iter_message(msg):
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if type_ == "text":
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if data:
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# only yield non-empty text segment
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yield MessageSegment(type_, {"text": unescape(data)})
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else:
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data = {
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k: unescape(v) for k, v in map(
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lambda x: x.split("=", maxsplit=1),
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filter(lambda x: x, (
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x.lstrip() for x in data.split(","))))
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}
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yield MessageSegment(type_, data)
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@overrides(BaseMessage)
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def extract_plain_text(self) -> str:
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return "".join(seg.data["text"] for seg in self if seg.is_text())
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