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import json
import sentry_sdk
from sentry_sdk.integrations import Integration
from sentry_sdk.integrations._wsgi_common import request_body_within_bounds
from sentry_sdk.utils import (
AnnotatedValue,
capture_internal_exceptions,
event_from_exception,
)
from dramatiq.broker import Broker # type: ignore
from dramatiq.message import Message # type: ignore
from dramatiq.middleware import Middleware, default_middleware # type: ignore
from dramatiq.errors import Retry # type: ignore
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from typing import Any, Callable, Dict, Optional, Union
from sentry_sdk._types import Event, Hint
class DramatiqIntegration(Integration):
"""
Dramatiq integration for Sentry
Please make sure that you call `sentry_sdk.init` *before* initializing
your broker, as it monkey patches `Broker.__init__`.
This integration was originally developed and maintained
by https://github.com/jacobsvante and later donated to the Sentry
project.
"""
identifier = "dramatiq"
@staticmethod
def setup_once():
# type: () -> None
_patch_dramatiq_broker()
def _patch_dramatiq_broker():
# type: () -> None
original_broker__init__ = Broker.__init__
def sentry_patched_broker__init__(self, *args, **kw):
# type: (Broker, *Any, **Any) -> None
integration = sentry_sdk.get_client().get_integration(DramatiqIntegration)
try:
middleware = kw.pop("middleware")
except KeyError:
# Unfortunately Broker and StubBroker allows middleware to be
# passed in as positional arguments, whilst RabbitmqBroker and
# RedisBroker does not.
if len(args) == 1:
middleware = args[0]
args = [] # type: ignore
else:
middleware = None
if middleware is None:
middleware = list(m() for m in default_middleware)
else:
middleware = list(middleware)
if integration is not None:
middleware = [m for m in middleware if not isinstance(m, SentryMiddleware)]
middleware.insert(0, SentryMiddleware())
kw["middleware"] = middleware
original_broker__init__(self, *args, **kw)
Broker.__init__ = sentry_patched_broker__init__
class SentryMiddleware(Middleware): # type: ignore[misc]
"""
A Dramatiq middleware that automatically captures and sends
exceptions to Sentry.
This is automatically added to every instantiated broker via the
DramatiqIntegration.
"""
def before_process_message(self, broker, message):
# type: (Broker, Message) -> None
integration = sentry_sdk.get_client().get_integration(DramatiqIntegration)
if integration is None:
return
message._scope_manager = sentry_sdk.new_scope()
message._scope_manager.__enter__()
scope = sentry_sdk.get_current_scope()
scope.transaction = message.actor_name
scope.set_extra("dramatiq_message_id", message.message_id)
scope.add_event_processor(_make_message_event_processor(message, integration))
def after_process_message(self, broker, message, *, result=None, exception=None):
# type: (Broker, Message, Any, Optional[Any], Optional[Exception]) -> None
integration = sentry_sdk.get_client().get_integration(DramatiqIntegration)
if integration is None:
return
actor = broker.get_actor(message.actor_name)
throws = message.options.get("throws") or actor.options.get("throws")
try:
if (
exception is not None
and not (throws and isinstance(exception, throws))
and not isinstance(exception, Retry)
):
event, hint = event_from_exception(
exception,
client_options=sentry_sdk.get_client().options,
mechanism={
"type": DramatiqIntegration.identifier,
"handled": False,
},
)
sentry_sdk.capture_event(event, hint=hint)
finally:
message._scope_manager.__exit__(None, None, None)
def _make_message_event_processor(message, integration):
# type: (Message, DramatiqIntegration) -> Callable[[Event, Hint], Optional[Event]]
def inner(event, hint):
# type: (Event, Hint) -> Optional[Event]
with capture_internal_exceptions():
DramatiqMessageExtractor(message).extract_into_event(event)
return event
return inner
class DramatiqMessageExtractor:
def __init__(self, message):
# type: (Message) -> None
self.message_data = dict(message.asdict())
def content_length(self):
# type: () -> int
return len(json.dumps(self.message_data))
def extract_into_event(self, event):
# type: (Event) -> None
client = sentry_sdk.get_client()
if not client.is_active():
return
contexts = event.setdefault("contexts", {})
request_info = contexts.setdefault("dramatiq", {})
request_info["type"] = "dramatiq"
data = None # type: Optional[Union[AnnotatedValue, Dict[str, Any]]]
if not request_body_within_bounds(client, self.content_length()):
data = AnnotatedValue.removed_because_over_size_limit()
else:
data = self.message_data
request_info["data"] = data