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feat(integrations): Add tracing to DramatiqIntegration #4571

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feat(integrations): Add tracing to DramatiqIntegration #4571

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edee89d
feat(integrations): Add tracing to DramatiqIntegration
Jul 10, 2025
5562a9c
feat(integrations): Add trace propagation to DramatiqIntegration
Jul 15, 2025
863d16b
Merge branch 'getsentry:master' into feat-dramatiq-transaction-support
Igreh Jul 17, 2025
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59 changes: 38 additions & 21 deletions sentry_sdk/integrations/dramatiq.py
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Original file line number Diff line number Diff line change
@@ -1,8 +1,11 @@
import json
import contextvars

import sentry_sdk
from sentry_sdk.consts import OP
from sentry_sdk.integrations import Integration
from sentry_sdk.integrations._wsgi_common import request_body_within_bounds
from sentry_sdk.tracing import TransactionSource
from sentry_sdk.utils import (
AnnotatedValue,
capture_internal_exceptions,
Expand All @@ -18,6 +21,7 @@

if TYPE_CHECKING:
from typing import Any, Callable, Dict, Optional, Union
from sentry_sdk.tracing import Transaction
from sentry_sdk._types import Event, Hint


Expand Down Expand Up @@ -85,20 +89,27 @@ class SentryMiddleware(Middleware): # type: ignore[misc]
DramatiqIntegration.
"""

# type: contextvars.ContextVar[Transaction]
_transaction = contextvars.ContextVar("_transaction", default=None)
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Why are we using a ContextVar here, instead of just a simple instance variable on the SentryMiddleware?

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To isolate variable between threads:

  1. Dramatiq can be started in multithreading mode:
    dramatiq --processes 1 --threads 5 ...
  2. And I was inspired by official middleware:
    CurrentMessageMiddleware

I will try recheck if it's actually needed

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Confirmed.
One SentryMiddleware instance will be shared between threads. So, isolating is necessary.
Previous (actually current) realisation adds _scope_manager to message, but I think ContextVar is much cleaner solution


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.set_transaction_name(message.actor_name)
scope.set_extra("dramatiq_message_id", message.message_id)
scope.add_event_processor(_make_message_event_processor(message, integration))

transaction = sentry_sdk.start_transaction(
name=message.actor_name,
op=OP.QUEUE_PROCESS,
source=TransactionSource.TASK,
)
transaction.__enter__()
self._transaction.set(transaction)

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)
Expand All @@ -108,23 +119,29 @@ def after_process_message(self, broker, message, *, result=None, exception=None)
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)
transaction = self._transaction.get()

is_event_capture_required = (
exception is not None
and not (throws and isinstance(exception, throws))
and not isinstance(exception, Retry)
)
if not is_event_capture_required:
# normal transaction finish
transaction.__exit__(None, None, None)
return

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)
# transaction error
transaction.__exit__(type(exception), exception, None)


def _make_message_event_processor(message, integration):
Expand Down
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