mirror of
https://github.com/nonebot/nonebot2.git
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92 lines
2.4 KiB
Python
92 lines
2.4 KiB
Python
from functools import wraps
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from typing import Callable, Coroutine, TypeVar
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import httpx
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from pydantic import ValidationError, validate_arguments, Extra
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import nonebot.exception as exception
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from nonebot.log import logger
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from nonebot.utils import escape_tag
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_AsyncCallable = TypeVar("_AsyncCallable", bound=Callable[..., Coroutine])
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_AnyCallable = TypeVar("_AnyCallable", bound=Callable)
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class ActionFailed(exception.ActionFailed):
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"""
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:说明:
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API 请求成功返回数据，但 API 操作失败。
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"""
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def __init__(self, **kwargs):
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super().__init__('mirai')
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self.data = kwargs.copy()
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def __repr__(self):
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return self.__class__.__name__ + '(%s)' % ', '.join(
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map(lambda m: '%s=%r' % m, self.data.items()))
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class InvalidArgument(exception.AdapterException):
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"""
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:说明:
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调用API的参数出错
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"""
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def __init__(self, **kwargs):
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super().__init__('mirai')
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def catch_network_error(function: _AsyncCallable) -> _AsyncCallable:
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"""
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:说明:
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捕捉函数抛出的httpx网络异常并释放 ``NetworkError`` 异常
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处理返回数据, 在code不为0时释放 ``ActionFailed`` 异常
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\:\:\: warning
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此装饰器只支持使用了httpx的异步函数
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\:\:\:
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"""
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@wraps(function)
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async def wrapper(*args, **kwargs):
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try:
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data = await function(*args, **kwargs)
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except httpx.HTTPError:
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raise exception.NetworkError('mirai')
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logger.opt(colors=True).debug('<b>Mirai API returned data:</b> '
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f'<y>{escape_tag(str(data))}</y>')
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if isinstance(data, dict):
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if data.get('code', 0) != 0:
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raise ActionFailed(**data)
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return data
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return wrapper # type: ignore
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def argument_validation(function: _AnyCallable) -> _AnyCallable:
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"""
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:说明:
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通过函数签名中的类型注解来对传入参数进行运行时校验
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会在参数出错时释放 ``InvalidArgument`` 异常
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"""
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function = validate_arguments(config={
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'arbitrary_types_allowed': True,
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'extra': Extra.forbid
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})(function)
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@wraps(function)
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def wrapper(*args, **kwargs):
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try:
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return function(*args, **kwargs)
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except ValidationError:
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raise InvalidArgument
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return wrapper # type: ignore
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