曾与蒿藜同雨露，한때 잡초와 쑥과 함께 비와 이슬을 나누던 곳이 이제는 소나무와 삼나무와 함께 서리와 눈을 견뎌내고 있다.终随松柏到冰霜.かつては雑草やヨモギと共に雨や露を分かち合っていたが、今では松やヒノキと共に霜や雪に耐えている。曾与蒿藜同雨露，Once sharing rain and dew with weeds and wormwood, now enduring frost and snow with pines and cypresses.终随松柏到冰霜.曾与蒿藜同雨露한때 잡초와 쑥과 함께 비와 이슬을 나누던 곳이 이제는 소나무와 삼나무와 함께 서리와 눈을 견뎌내고 있다.，终随松柏到冰霜.譖ｾ荳手珍阯懷酔髮ｨ髴ｲ�檎ｻ磯囂譚ｾ譟丞芦蜀ｰ髴�曾与蒿藜同雨露，鏇句笌钂胯棞鍚岄洦闇诧紝缁堥殢鏉炬煆鍒板啺闇�终随松柏到冰霜.曾与蒿藜同雨露，한때 잡초와 쑥과 함께 비와 이슬을 나누던 곳이 이제는 소나무와 삼나무와 함께 서리와 눈을 견뎌내고 있다.终随松柏到冰霜.曾与蒿藜同雨露，终随松柏到冰霜. rahbord-ins.ir - GrazzMean-Shell
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name : tracing.py 
from types import SimpleNamespace
from typing import TYPE_CHECKING, Awaitable, Optional, Type, TypeVar

import attr
from multidict import CIMultiDict
from yarl import URL

from .client_reqrep import ClientResponse
from .signals import Signal

if TYPE_CHECKING:  # pragma: no cover
    from typing_extensions import Protocol

    from .client import ClientSession

    _ParamT_contra = TypeVar("_ParamT_contra", contravariant=True)

    class _SignalCallback(Protocol[_ParamT_contra]):
        def __call__(
            self,
            __client_session: ClientSession,
            __trace_config_ctx: SimpleNamespace,
            __params: _ParamT_contra,
        ) -> Awaitable[None]:
            ...


__all__ = (
    "TraceConfig",
    "TraceRequestStartParams",
    "TraceRequestEndParams",
    "TraceRequestExceptionParams",
    "TraceConnectionQueuedStartParams",
    "TraceConnectionQueuedEndParams",
    "TraceConnectionCreateStartParams",
    "TraceConnectionCreateEndParams",
    "TraceConnectionReuseconnParams",
    "TraceDnsResolveHostStartParams",
    "TraceDnsResolveHostEndParams",
    "TraceDnsCacheHitParams",
    "TraceDnsCacheMissParams",
    "TraceRequestRedirectParams",
    "TraceRequestChunkSentParams",
    "TraceResponseChunkReceivedParams",
)


class TraceConfig:
    """First-class used to trace requests launched via ClientSession
    objects."""

    def __init__(
        self, trace_config_ctx_factory: Type[SimpleNamespace] = SimpleNamespace
    ) -> None:
        self._on_request_start = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceRequestStartParams]]
        self._on_request_chunk_sent = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceRequestChunkSentParams]]
        self._on_response_chunk_received = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceResponseChunkReceivedParams]]
        self._on_request_end = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceRequestEndParams]]
        self._on_request_exception = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceRequestExceptionParams]]
        self._on_request_redirect = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceRequestRedirectParams]]
        self._on_connection_queued_start = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceConnectionQueuedStartParams]]
        self._on_connection_queued_end = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceConnectionQueuedEndParams]]
        self._on_connection_create_start = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceConnectionCreateStartParams]]
        self._on_connection_create_end = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceConnectionCreateEndParams]]
        self._on_connection_reuseconn = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceConnectionReuseconnParams]]
        self._on_dns_resolvehost_start = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceDnsResolveHostStartParams]]
        self._on_dns_resolvehost_end = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceDnsResolveHostEndParams]]
        self._on_dns_cache_hit = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceDnsCacheHitParams]]
        self._on_dns_cache_miss = Signal(
            self
        )  # type: Signal[_SignalCallback[TraceDnsCacheMissParams]]

        self._trace_config_ctx_factory = trace_config_ctx_factory

    def trace_config_ctx(
        self, trace_request_ctx: Optional[SimpleNamespace] = None
    ) -> SimpleNamespace:
        """ Return a new trace_config_ctx instance """
        return self._trace_config_ctx_factory(trace_request_ctx=trace_request_ctx)

    def freeze(self) -> None:
        self._on_request_start.freeze()
        self._on_request_chunk_sent.freeze()
        self._on_response_chunk_received.freeze()
        self._on_request_end.freeze()
        self._on_request_exception.freeze()
        self._on_request_redirect.freeze()
        self._on_connection_queued_start.freeze()
        self._on_connection_queued_end.freeze()
        self._on_connection_create_start.freeze()
        self._on_connection_create_end.freeze()
        self._on_connection_reuseconn.freeze()
        self._on_dns_resolvehost_start.freeze()
        self._on_dns_resolvehost_end.freeze()
        self._on_dns_cache_hit.freeze()
        self._on_dns_cache_miss.freeze()

    @property
    def on_request_start(self) -> "Signal[_SignalCallback[TraceRequestStartParams]]":
        return self._on_request_start

    @property
    def on_request_chunk_sent(
        self,
    ) -> "Signal[_SignalCallback[TraceRequestChunkSentParams]]":
        return self._on_request_chunk_sent

    @property
    def on_response_chunk_received(
        self,
    ) -> "Signal[_SignalCallback[TraceResponseChunkReceivedParams]]":
        return self._on_response_chunk_received

    @property
    def on_request_end(self) -> "Signal[_SignalCallback[TraceRequestEndParams]]":
        return self._on_request_end

    @property
    def on_request_exception(
        self,
    ) -> "Signal[_SignalCallback[TraceRequestExceptionParams]]":
        return self._on_request_exception

    @property
    def on_request_redirect(
        self,
    ) -> "Signal[_SignalCallback[TraceRequestRedirectParams]]":
        return self._on_request_redirect

    @property
    def on_connection_queued_start(
        self,
    ) -> "Signal[_SignalCallback[TraceConnectionQueuedStartParams]]":
        return self._on_connection_queued_start

    @property
    def on_connection_queued_end(
        self,
    ) -> "Signal[_SignalCallback[TraceConnectionQueuedEndParams]]":
        return self._on_connection_queued_end

    @property
    def on_connection_create_start(
        self,
    ) -> "Signal[_SignalCallback[TraceConnectionCreateStartParams]]":
        return self._on_connection_create_start

    @property
    def on_connection_create_end(
        self,
    ) -> "Signal[_SignalCallback[TraceConnectionCreateEndParams]]":
        return self._on_connection_create_end

    @property
    def on_connection_reuseconn(
        self,
    ) -> "Signal[_SignalCallback[TraceConnectionReuseconnParams]]":
        return self._on_connection_reuseconn

    @property
    def on_dns_resolvehost_start(
        self,
    ) -> "Signal[_SignalCallback[TraceDnsResolveHostStartParams]]":
        return self._on_dns_resolvehost_start

    @property
    def on_dns_resolvehost_end(
        self,
    ) -> "Signal[_SignalCallback[TraceDnsResolveHostEndParams]]":
        return self._on_dns_resolvehost_end

    @property
    def on_dns_cache_hit(self) -> "Signal[_SignalCallback[TraceDnsCacheHitParams]]":
        return self._on_dns_cache_hit

    @property
    def on_dns_cache_miss(self) -> "Signal[_SignalCallback[TraceDnsCacheMissParams]]":
        return self._on_dns_cache_miss


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceRequestStartParams:
    """ Parameters sent by the `on_request_start` signal"""

    method: str
    url: URL
    headers: "CIMultiDict[str]"


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceRequestChunkSentParams:
    """ Parameters sent by the `on_request_chunk_sent` signal"""

    method: str
    url: URL
    chunk: bytes


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceResponseChunkReceivedParams:
    """ Parameters sent by the `on_response_chunk_received` signal"""

    method: str
    url: URL
    chunk: bytes


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceRequestEndParams:
    """ Parameters sent by the `on_request_end` signal"""

    method: str
    url: URL
    headers: "CIMultiDict[str]"
    response: ClientResponse


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceRequestExceptionParams:
    """ Parameters sent by the `on_request_exception` signal"""

    method: str
    url: URL
    headers: "CIMultiDict[str]"
    exception: BaseException


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceRequestRedirectParams:
    """ Parameters sent by the `on_request_redirect` signal"""

    method: str
    url: URL
    headers: "CIMultiDict[str]"
    response: ClientResponse


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceConnectionQueuedStartParams:
    """ Parameters sent by the `on_connection_queued_start` signal"""


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceConnectionQueuedEndParams:
    """ Parameters sent by the `on_connection_queued_end` signal"""


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceConnectionCreateStartParams:
    """ Parameters sent by the `on_connection_create_start` signal"""


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceConnectionCreateEndParams:
    """ Parameters sent by the `on_connection_create_end` signal"""


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceConnectionReuseconnParams:
    """ Parameters sent by the `on_connection_reuseconn` signal"""


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceDnsResolveHostStartParams:
    """ Parameters sent by the `on_dns_resolvehost_start` signal"""

    host: str


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceDnsResolveHostEndParams:
    """ Parameters sent by the `on_dns_resolvehost_end` signal"""

    host: str


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceDnsCacheHitParams:
    """ Parameters sent by the `on_dns_cache_hit` signal"""

    host: str


@attr.s(auto_attribs=True, frozen=True, slots=True)
class TraceDnsCacheMissParams:
    """ Parameters sent by the `on_dns_cache_miss` signal"""

    host: str


class Trace:
    """Internal class used to keep together the main dependencies used
    at the moment of send a signal."""

    def __init__(
        self,
        session: "ClientSession",
        trace_config: TraceConfig,
        trace_config_ctx: SimpleNamespace,
    ) -> None:
        self._trace_config = trace_config
        self._trace_config_ctx = trace_config_ctx
        self._session = session

    async def send_request_start(
        self, method: str, url: URL, headers: "CIMultiDict[str]"
    ) -> None:
        return await self._trace_config.on_request_start.send(
            self._session,
            self._trace_config_ctx,
            TraceRequestStartParams(method, url, headers),
        )

    async def send_request_chunk_sent(
        self, method: str, url: URL, chunk: bytes
    ) -> None:
        return await self._trace_config.on_request_chunk_sent.send(
            self._session,
            self._trace_config_ctx,
            TraceRequestChunkSentParams(method, url, chunk),
        )

    async def send_response_chunk_received(
        self, method: str, url: URL, chunk: bytes
    ) -> None:
        return await self._trace_config.on_response_chunk_received.send(
            self._session,
            self._trace_config_ctx,
            TraceResponseChunkReceivedParams(method, url, chunk),
        )

    async def send_request_end(
        self,
        method: str,
        url: URL,
        headers: "CIMultiDict[str]",
        response: ClientResponse,
    ) -> None:
        return await self._trace_config.on_request_end.send(
            self._session,
            self._trace_config_ctx,
            TraceRequestEndParams(method, url, headers, response),
        )

    async def send_request_exception(
        self,
        method: str,
        url: URL,
        headers: "CIMultiDict[str]",
        exception: BaseException,
    ) -> None:
        return await self._trace_config.on_request_exception.send(
            self._session,
            self._trace_config_ctx,
            TraceRequestExceptionParams(method, url, headers, exception),
        )

    async def send_request_redirect(
        self,
        method: str,
        url: URL,
        headers: "CIMultiDict[str]",
        response: ClientResponse,
    ) -> None:
        return await self._trace_config._on_request_redirect.send(
            self._session,
            self._trace_config_ctx,
            TraceRequestRedirectParams(method, url, headers, response),
        )

    async def send_connection_queued_start(self) -> None:
        return await self._trace_config.on_connection_queued_start.send(
            self._session, self._trace_config_ctx, TraceConnectionQueuedStartParams()
        )

    async def send_connection_queued_end(self) -> None:
        return await self._trace_config.on_connection_queued_end.send(
            self._session, self._trace_config_ctx, TraceConnectionQueuedEndParams()
        )

    async def send_connection_create_start(self) -> None:
        return await self._trace_config.on_connection_create_start.send(
            self._session, self._trace_config_ctx, TraceConnectionCreateStartParams()
        )

    async def send_connection_create_end(self) -> None:
        return await self._trace_config.on_connection_create_end.send(
            self._session, self._trace_config_ctx, TraceConnectionCreateEndParams()
        )

    async def send_connection_reuseconn(self) -> None:
        return await self._trace_config.on_connection_reuseconn.send(
            self._session, self._trace_config_ctx, TraceConnectionReuseconnParams()
        )

    async def send_dns_resolvehost_start(self, host: str) -> None:
        return await self._trace_config.on_dns_resolvehost_start.send(
            self._session, self._trace_config_ctx, TraceDnsResolveHostStartParams(host)
        )

    async def send_dns_resolvehost_end(self, host: str) -> None:
        return await self._trace_config.on_dns_resolvehost_end.send(
            self._session, self._trace_config_ctx, TraceDnsResolveHostEndParams(host)
        )

    async def send_dns_cache_hit(self, host: str) -> None:
        return await self._trace_config.on_dns_cache_hit.send(
            self._session, self._trace_config_ctx, TraceDnsCacheHitParams(host)
        )

    async def send_dns_cache_miss(self, host: str) -> None:
        return await self._trace_config.on_dns_cache_miss.send(
            self._session, self._trace_config_ctx, TraceDnsCacheMissParams(host)
        )
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