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?? ..
?? __init__.py(6.67 KB)
?? __pycache__
?? _wsgi_common.py(4.43 KB)
?? aiohttp.py(11.28 KB)
?? argv.py(963 B)
?? arq.py(6.58 KB)
?? asgi.py(11.54 KB)
?? asyncio.py(2.98 KB)
?? atexit.py(1.8 KB)
?? aws_lambda.py(15.44 KB)
?? beam.py(5.56 KB)
?? boto3.py(4.44 KB)
?? bottle.py(6.32 KB)
?? celery.py(18.65 KB)
?? chalice.py(4.66 KB)
?? cloud_resource_context.py(6.6 KB)
?? dedupe.py(1.16 KB)
?? django
?? excepthook.py(2.21 KB)
?? executing.py(1.99 KB)
?? falcon.py(7.8 KB)
?? fastapi.py(4.39 KB)
?? flask.py(7.72 KB)
?? gcp.py(8.02 KB)
?? gnu_backtrace.py(2.86 KB)
?? grpc
?? httpx.py(4.89 KB)
?? huey.py(4.59 KB)
?? logging.py(8.97 KB)
?? loguru.py(2.98 KB)
?? modules.py(2.06 KB)
?? opentelemetry
?? pure_eval.py(4.45 KB)
?? pymongo.py(5.87 KB)
?? pyramid.py(7.27 KB)
?? quart.py(7.2 KB)
?? redis
?? rq.py(5.28 KB)
?? sanic.py(11.06 KB)
?? serverless.py(1.93 KB)
?? socket.py(2.88 KB)
?? spark
?? sqlalchemy.py(4.14 KB)
?? starlette.py(22.67 KB)
?? starlite.py(9.85 KB)
?? stdlib.py(8.06 KB)
?? threading.py(2.87 KB)
?? tornado.py(7.17 KB)
?? trytond.py(1.7 KB)
?? wsgi.py(9.36 KB)

Editing: asgi.py

"""
An ASGI middleware.

Based on Tom Christie's `sentry-asgi <https://github.com/encode/sentry-asgi>`.
"""

import asyncio
import inspect
import urllib
from copy import deepcopy

from sentry_sdk._functools import partial
from sentry_sdk._types import TYPE_CHECKING
from sentry_sdk.api import continue_trace
from sentry_sdk.consts import OP
from sentry_sdk.hub import Hub, _should_send_default_pii
from sentry_sdk.integrations._wsgi_common import _filter_headers
from sentry_sdk.integrations.modules import _get_installed_modules
from sentry_sdk.sessions import auto_session_tracking
from sentry_sdk.tracing import (
    SOURCE_FOR_STYLE,
    TRANSACTION_SOURCE_ROUTE,
)
from sentry_sdk.utils import (
    ContextVar,
    event_from_exception,
    HAS_REAL_CONTEXTVARS,
    CONTEXTVARS_ERROR_MESSAGE,
    logger,
    transaction_from_function,
)
from sentry_sdk.tracing import Transaction

if TYPE_CHECKING:
    from typing import Dict
    from typing import Any
    from typing import Optional
    from typing import Callable

from typing_extensions import Literal

from sentry_sdk._types import Event, Hint

_asgi_middleware_applied = ContextVar("sentry_asgi_middleware_applied")

_DEFAULT_TRANSACTION_NAME = "generic ASGI request"

TRANSACTION_STYLE_VALUES = ("endpoint", "url")

def _capture_exception(hub, exc, mechanism_type="asgi"):
    # type: (Hub, Any, str) -> None

# Check client here as it might have been unset while streaming response
    if hub.client is not None:
        event, hint = event_from_exception(
            exc,
            client_options=hub.client.options,
            mechanism={"type": mechanism_type, "handled": False},
        )
        hub.capture_event(event, hint=hint)

def _looks_like_asgi3(app):
    # type: (Any) -> bool
    """
    Try to figure out if an application object supports ASGI3.

This is how uvicorn figures out the application version as well.
    """
    if inspect.isclass(app):
        return hasattr(app, "__await__")
    elif inspect.isfunction(app):
        return asyncio.iscoroutinefunction(app)
    else:
        call = getattr(app, "__call__", None)  # noqa
        return asyncio.iscoroutinefunction(call)

class SentryAsgiMiddleware:
    __slots__ = ("app", "__call__", "transaction_style", "mechanism_type")

def __init__(
        self,
        app,
        unsafe_context_data=False,
        transaction_style="endpoint",
        mechanism_type="asgi",
    ):
        # type: (Any, bool, str, str) -> None
        """
        Instrument an ASGI application with Sentry. Provides HTTP/websocket
        data to sent events and basic handling for exceptions bubbling up
        through the middleware.

:param unsafe_context_data: Disable errors when a proper contextvars installation could not be found. We do not recommend changing this from the default.
        """
        if not unsafe_context_data and not HAS_REAL_CONTEXTVARS:
            # We better have contextvars or we're going to leak state between
            # requests.
            raise RuntimeError(
                "The ASGI middleware for Sentry requires Python 3.7+ "
                "or the aiocontextvars package." + CONTEXTVARS_ERROR_MESSAGE
            )
        if transaction_style not in TRANSACTION_STYLE_VALUES:
            raise ValueError(
                "Invalid value for transaction_style: %s (must be in %s)"
                % (transaction_style, TRANSACTION_STYLE_VALUES)
            )

asgi_middleware_while_using_starlette_or_fastapi = (
            mechanism_type == "asgi" and "starlette" in _get_installed_modules()
        )
        if asgi_middleware_while_using_starlette_or_fastapi:
            logger.warning(
                "The Sentry Python SDK can now automatically support ASGI frameworks like Starlette and FastAPI. "
                "Please remove 'SentryAsgiMiddleware' from your project. "
                "See https://docs.sentry.io/platforms/python/guides/asgi/ for more information."
            )

self.transaction_style = transaction_style
        self.mechanism_type = mechanism_type
        self.app = app

if _looks_like_asgi3(app):
            self.__call__ = self._run_asgi3  # type: Callable[..., Any]
        else:
            self.__call__ = self._run_asgi2

def _run_asgi2(self, scope):
        # type: (Any) -> Any
        async def inner(receive, send):
            # type: (Any, Any) -> Any
            return await self._run_app(scope, lambda: self.app(scope)(receive, send))

return inner

async def _run_asgi3(self, scope, receive, send):
        # type: (Any, Any, Any) -> Any
        return await self._run_app(scope, lambda: self.app(scope, receive, send))

async def _run_app(self, scope, callback):
        # type: (Any, Any) -> Any
        is_recursive_asgi_middleware = _asgi_middleware_applied.get(False)
        if is_recursive_asgi_middleware:
            try:
                return await callback()
            except Exception as exc:
                _capture_exception(Hub.current, exc, mechanism_type=self.mechanism_type)
                raise exc from None

_asgi_middleware_applied.set(True)
        try:
            hub = Hub(Hub.current)
            with auto_session_tracking(hub, session_mode="request"):
                with hub:
                    with hub.configure_scope() as sentry_scope:
                        sentry_scope.clear_breadcrumbs()
                        sentry_scope._name = "asgi"
                        processor = partial(self.event_processor, asgi_scope=scope)
                        sentry_scope.add_event_processor(processor)

ty = scope["type"]

if ty in ("http", "websocket"):
                        transaction = continue_trace(
                            self._get_headers(scope),
                            op="{}.server".format(ty),
                        )
                    else:
                        transaction = Transaction(op=OP.HTTP_SERVER)

transaction.name = _DEFAULT_TRANSACTION_NAME
                    transaction.source = TRANSACTION_SOURCE_ROUTE
                    transaction.set_tag("asgi.type", ty)

with hub.start_transaction(
                        transaction, custom_sampling_context={"asgi_scope": scope}
                    ):
                        # XXX: Would be cool to have correct span status, but we
                        # would have to wrap send(). That is a bit hard to do with
                        # the current abstraction over ASGI 2/3.
                        try:
                            return await callback()
                        except Exception as exc:
                            _capture_exception(
                                hub, exc, mechanism_type=self.mechanism_type
                            )
                            raise exc from None
        finally:
            _asgi_middleware_applied.set(False)

def event_processor(self, event, hint, asgi_scope):
        # type: (Event, Hint, Any) -> Optional[Event]
        request_info = event.get("request", {})

ty = asgi_scope["type"]
        if ty in ("http", "websocket"):
            request_info["method"] = asgi_scope.get("method")
            request_info["headers"] = headers = _filter_headers(
                self._get_headers(asgi_scope)
            )
            request_info["query_string"] = self._get_query(asgi_scope)

request_info["url"] = self._get_url(
                asgi_scope, "http" if ty == "http" else "ws", headers.get("host")
            )

client = asgi_scope.get("client")
        if client and _should_send_default_pii():
            request_info["env"] = {"REMOTE_ADDR": self._get_ip(asgi_scope)}

self._set_transaction_name_and_source(event, self.transaction_style, asgi_scope)

event["request"] = deepcopy(request_info)

return event

# Helper functions for extracting request data.
    #
    # Note: Those functions are not public API. If you want to mutate request
    # data to your liking it's recommended to use the `before_send` callback
    # for that.

def _set_transaction_name_and_source(self, event, transaction_style, asgi_scope):
        # type: (Event, str, Any) -> None
        transaction_name_already_set = (
            event.get("transaction", _DEFAULT_TRANSACTION_NAME)
            != _DEFAULT_TRANSACTION_NAME
        )
        if transaction_name_already_set:
            return

name = ""

if transaction_style == "endpoint":
            endpoint = asgi_scope.get("endpoint")
            # Webframeworks like Starlette mutate the ASGI env once routing is
            # done, which is sometime after the request has started. If we have
            # an endpoint, overwrite our generic transaction name.
            if endpoint:
                name = transaction_from_function(endpoint) or ""

elif transaction_style == "url":
            # FastAPI includes the route object in the scope to let Sentry extract the
            # path from it for the transaction name
            route = asgi_scope.get("route")
            if route:
                path = getattr(route, "path", None)
                if path is not None:
                    name = path

if not name:
            event["transaction"] = _DEFAULT_TRANSACTION_NAME
            event["transaction_info"] = {"source": TRANSACTION_SOURCE_ROUTE}
            return

event["transaction"] = name
        event["transaction_info"] = {"source": SOURCE_FOR_STYLE[transaction_style]}

def _get_url(self, scope, default_scheme, host):
        # type: (Dict[str, Any], Literal["ws", "http"], Optional[str]) -> str
        """
        Extract URL from the ASGI scope, without also including the querystring.
        """
        scheme = scope.get("scheme", default_scheme)

server = scope.get("server", None)
        path = scope.get("root_path", "") + scope.get("path", "")

if host:
            return "%s://%s%s" % (scheme, host, path)

if server is not None:
            host, port = server
            default_port = {"http": 80, "https": 443, "ws": 80, "wss": 443}[scheme]
            if port != default_port:
                return "%s://%s:%s%s" % (scheme, host, port, path)
            return "%s://%s%s" % (scheme, host, path)
        return path

def _get_query(self, scope):
        # type: (Any) -> Any
        """
        Extract querystring from the ASGI scope, in the format that the Sentry protocol expects.
        """
        qs = scope.get("query_string")
        if not qs:
            return None
        return urllib.parse.unquote(qs.decode("latin-1"))

def _get_ip(self, scope):
        # type: (Any) -> str
        """
        Extract IP Address from the ASGI scope based on request headers with fallback to scope client.
        """
        headers = self._get_headers(scope)
        try:
            return headers["x-forwarded-for"].split(",")[0].strip()
        except (KeyError, IndexError):
            pass

try:
            return headers["x-real-ip"]
        except KeyError:
            pass

return scope.get("client")[0]

def _get_headers(self, scope):
        # type: (Any) -> Dict[str, str]
        """
        Extract headers from the ASGI scope, in the format that the Sentry protocol expects.
        """
        headers = {}  # type: Dict[str, str]
        for raw_key, raw_value in scope["headers"]:
            key = raw_key.decode("latin-1")
            value = raw_value.decode("latin-1")
            if key in headers:
                headers[key] = headers[key] + ", " + value
            else:
                headers[key] = value
        return headers

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Editing: asgi.py

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