🔀 Merge pull request #45

add pre and post processors
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Ju4tCode 2020-11-07 17:56:01 +08:00 committed by GitHub
commit b87df479a2
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4 changed files with 159 additions and 24 deletions

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@ -110,7 +110,7 @@ sidebarDepth: 0
## `PreProcessor`
## `EventPreProcessor`
* **类型**
@ -121,7 +121,55 @@ sidebarDepth: 0
* **说明**
消息预处理函数 PreProcessor 类型
事件预处理函数 EventPreProcessor 类型
## `EventPostProcessor`
* **类型**
`Callable[[Bot, Event, dict], Union[Awaitable[None], Awaitable[NoReturn]]]`
* **说明**
事件预处理函数 EventPostProcessor 类型
## `RunPreProcessor`
* **类型**
`Callable[[Matcher, Bot, Event, dict], Union[Awaitable[None], Awaitable[NoReturn]]]`
* **说明**
事件响应器运行前预处理函数 RunPreProcessor 类型
## `RunPostProcessor`
* **类型**
`Callable[[Matcher, List[Any], Bot, Event, dict], Union[Awaitable[None], Awaitable[NoReturn]]]`
* **说明**
事件响应器运行前预处理函数 RunPostProcessor 类型,第二个参数包含运行时产生的错误以及 `ExpiredException`, `StopPropagation` (如果存在)

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@ -5,19 +5,37 @@ from nonebot.log import logger
from nonebot.rule import TrieRule
from nonebot.utils import escape_tag
from nonebot.matcher import matchers
from nonebot.typing import Set, Type, Union, NoReturn
from nonebot.typing import Bot, Event, Matcher, PreProcessor
from nonebot.exception import IgnoredException, ExpiredException
from nonebot.exception import StopPropagation, _ExceptionContainer
from nonebot.typing import Set, Type, Union, NoReturn, Bot, Event, Matcher
from nonebot.typing import EventPreProcessor, RunPreProcessor, EventPostProcessor, RunPostProcessor
_event_preprocessors: Set[PreProcessor] = set()
_event_preprocessors: Set[EventPreProcessor] = set()
_event_postprocessors: Set[EventPostProcessor] = set()
_run_preprocessors: Set[RunPreProcessor] = set()
_run_postprocessors: Set[RunPostProcessor] = set()
def event_preprocessor(func: PreProcessor) -> PreProcessor:
def event_preprocessor(func: EventPreProcessor) -> EventPreProcessor:
_event_preprocessors.add(func)
return func
def event_postprocessor(func: EventPostProcessor) -> EventPostProcessor:
_event_postprocessors.add(func)
return func
def run_preprocessor(func: RunPreProcessor) -> RunPreProcessor:
_run_preprocessors.add(func)
return func
def run_postprocessor(func: RunPostProcessor) -> RunPostProcessor:
_run_postprocessors.add(func)
return func
async def _run_matcher(Matcher: Type[Matcher], bot: Bot, event: Event,
state: dict) -> Union[None, NoReturn]:
if Matcher.expire_time and datetime.now() > Matcher.expire_time:
@ -35,7 +53,24 @@ async def _run_matcher(Matcher: Type[Matcher], bot: Bot, event: Event,
logger.info(f"Event will be handled by {Matcher}")
matcher = Matcher()
# TODO: BeforeMatcherRun
coros = list(
map(lambda x: x(matcher, bot, event, state), _run_preprocessors))
if coros:
try:
await asyncio.gather(*coros)
except IgnoredException:
logger.opt(colors=True).info(
f"Matcher {matcher} running is <b>cancelled</b>")
return
except Exception as e:
logger.opt(colors=True, exception=e).error(
"<r><bg #f8bbd0>Error when running RunPreProcessors. "
"Running cancelled!</bg #f8bbd0></r>")
return
exceptions = []
try:
logger.debug(f"Running matcher {matcher}")
await matcher.run(bot, event, state)
@ -43,12 +78,24 @@ async def _run_matcher(Matcher: Type[Matcher], bot: Bot, event: Event,
logger.opt(colors=True, exception=e).error(
f"<r><bg #f8bbd0>Running matcher {matcher} failed.</bg #f8bbd0></r>"
)
exceptions.append(e)
exceptions = []
if Matcher.temp:
exceptions.append(ExpiredException)
if Matcher.block:
exceptions.append(StopPropagation)
coros = list(
map(lambda x: x(matcher, exceptions, bot, event, state),
_run_postprocessors))
if coros:
try:
await asyncio.gather(*coros)
except Exception as e:
logger.opt(colors=True, exception=e).error(
"<r><bg #f8bbd0>Error when running RunPostProcessors</bg #f8bbd0></r>"
)
if exceptions:
raise _ExceptionContainer(exceptions)
@ -77,10 +124,8 @@ async def handle_event(bot: Bot, event: Event):
if show_log:
logger.opt(colors=True).info(log_msg)
coros = []
state = {}
for preprocessor in _event_preprocessors:
coros.append(preprocessor(bot, event, state))
coros = list(map(lambda x: x(bot, event, state), _event_preprocessors))
if coros:
try:
logger.debug("Running PreProcessors...")
@ -89,6 +134,11 @@ async def handle_event(bot: Bot, event: Event):
logger.opt(
colors=True).info(f"Event {event.name} is <b>ignored</b>")
return
except Exception as e:
logger.opt(colors=True, exception=e).error(
"<r><bg #f8bbd0>Error when running EventPreProcessors. "
"Event ignored!</bg #f8bbd0></r>")
return
# Trie Match
_, _ = TrieRule.get_value(bot, event, state)
@ -121,3 +171,13 @@ async def handle_event(bot: Bot, event: Event):
)
del matchers[priority][index - i]
i += 1
coros = list(map(lambda x: x(bot, event, state), _event_postprocessors))
if coros:
try:
logger.debug("Running PostProcessors...")
await asyncio.gather(*coros)
except Exception as e:
logger.opt(colors=True, exception=e).error(
"<r><bg #f8bbd0>Error when running EventPostProcessors</bg #f8bbd0></r>"
)

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@ -92,14 +92,41 @@ MessageSegment = TypeVar("MessageSegment", bound="BaseMessageSegment")
所有 MessageSegment 的基类
"""
PreProcessor = Callable[[Bot, Event, dict], Union[Awaitable[None],
EventPreProcessor = Callable[[Bot, Event, dict], Union[Awaitable[None],
Awaitable[NoReturn]]]
"""
:类型: ``Callable[[Bot, Event, dict], Union[Awaitable[None], Awaitable[NoReturn]]]``
:说明:
消息预处理函数 PreProcessor 类型
事件预处理函数 EventPreProcessor 类型
"""
EventPostProcessor = Callable[[Bot, Event, dict], Union[Awaitable[None],
Awaitable[NoReturn]]]
"""
:类型: ``Callable[[Bot, Event, dict], Union[Awaitable[None], Awaitable[NoReturn]]]``
:说明:
事件预处理函数 EventPostProcessor 类型
"""
RunPreProcessor = Callable[["Matcher", Bot, Event, dict],
Union[Awaitable[None], Awaitable[NoReturn]]]
"""
:类型: ``Callable[[Matcher, Bot, Event, dict], Union[Awaitable[None], Awaitable[NoReturn]]]``
:说明:
事件响应器运行前预处理函数 RunPreProcessor 类型
"""
RunPostProcessor = Callable[["Matcher", List[Any], Bot, Event, dict],
Union[Awaitable[None], Awaitable[NoReturn]]]
"""
:类型: ``Callable[[Matcher, List[Any], Bot, Event, dict], Union[Awaitable[None], Awaitable[NoReturn]]]``
:说明:
事件响应器运行前预处理函数 RunPostProcessor 类型第二个参数包含运行时产生的错误以及 ``ExpiredException``, ``StopPropagation`` (如果存在)
"""
Matcher = TypeVar("Matcher", bound="MatcherClass")

20
poetry.lock generated
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@ -73,15 +73,15 @@ reference = "aliyun"
[[package]]
name = "attrs"
version = "20.2.0"
version = "20.3.0"
description = "Classes Without Boilerplate"
category = "main"
optional = true
python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
[package.extras]
dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "sphinx-rtd-theme", "pre-commit"]
docs = ["sphinx", "sphinx-rtd-theme", "zope.interface"]
dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "furo", "sphinx", "pre-commit"]
docs = ["furo", "sphinx", "zope.interface"]
tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
@ -630,7 +630,7 @@ reference = "aliyun"
[[package]]
name = "nb-cli"
version = "0.1.0"
version = "0.2.0"
description = "CLI for nonebot2"
category = "main"
optional = true
@ -641,7 +641,7 @@ click = ">=7.1.2,<8.0.0"
colorama = ">=0.4.3,<0.5.0"
cookiecutter = ">=1.7.2,<2.0.0"
docker-compose = ">=1.27.2,<2.0.0"
nonebot2 = ">=2.0.0-alpha.1,<3.0.0"
nonebot2 = ">=2.0.0-alpha.4,<3.0.0"
pyfiglet = ">=0.8.post1,<0.9"
pyinquirer = "1.0.3"
@ -1515,7 +1515,7 @@ test = ["nonebot-test"]
[metadata]
lock-version = "1.1"
python-versions = "^3.7"
content-hash = "70521f44e1004cf7bc3863c5d249e18d31ff526bf4420f38cd1f81ae2cf561fb"
content-hash = "3760d7d6c8119c6fa29e171cabbecc5e705d2bb3faff82f7211a19e27925abfe"
[metadata.files]
aiofiles = [
@ -1535,8 +1535,8 @@ arrow = [
{file = "arrow-0.17.0.tar.gz", hash = "sha256:ff08d10cda1d36c68657d6ad20d74fbea493d980f8b2d45344e00d6ed2bf6ed4"},
]
attrs = [
{file = "attrs-20.2.0-py2.py3-none-any.whl", hash = "sha256:fce7fc47dfc976152e82d53ff92fa0407700c21acd20886a13777a0d20e655dc"},
{file = "attrs-20.2.0.tar.gz", hash = "sha256:26b54ddbbb9ee1d34d5d3668dd37d6cf74990ab23c828c2888dccdceee395594"},
{file = "attrs-20.3.0-py2.py3-none-any.whl", hash = "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6"},
{file = "attrs-20.3.0.tar.gz", hash = "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"},
]
babel = [
{file = "Babel-2.8.0-py2.py3-none-any.whl", hash = "sha256:d670ea0b10f8b723672d3a6abeb87b565b244da220d76b4dba1b66269ec152d4"},
@ -1761,8 +1761,8 @@ markupsafe = [
{file = "MarkupSafe-1.1.1.tar.gz", hash = "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b"},
]
nb-cli = [
{file = "nb-cli-0.1.0.tar.gz", hash = "sha256:5106212dd0bae270fc547a59f8c75e20951b9fbd87af263d647f8474677a2e26"},
{file = "nb_cli-0.1.0-py3-none-any.whl", hash = "sha256:a5b5f72bd68b48da446d56623e16b08a3483c84840b3a191771cd9b3e6fde8e9"},
{file = "nb-cli-0.2.0.tar.gz", hash = "sha256:d53ab571beee259af99a8cb4574ef85b6c1d821549f857eb45c83b3cb4f903a4"},
{file = "nb_cli-0.2.0-py3-none-any.whl", hash = "sha256:c0975f18bb19da99278ea60c48b668fc6e5fa371b118e8e86d42e989933186ba"},
]
nonebot-test = [
{file = "nonebot-test-0.1.0.tar.gz", hash = "sha256:f83bc095927f55e55cfe61c2ccc388e2536980d6d40412879009a16484487af4"},