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Adds support for interceptors and concurrency_options arguments in the workflow engine #842

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acroca wants to merge 2 commits into from
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Adds support for interceptors and concurrency_options arguments in the workflow engine #842

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b70ee5d
Adds support for interceptors and concurrency_options arguments in th…
acroca Sep 17, 2025
bcc956a
Merge branch 'main' into add-missing-workflow-arguments-main
elena-kolevska Oct 7, 2025
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20 changes: 19 additions & 1 deletion ext/dapr-ext-workflow/dapr/ext/workflow/workflow_runtime.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,8 @@

import inspect
from functools import wraps
from typing import Optional, TypeVar
from typing import Optional, TypeVar, Union, Sequence
import grpc

from durabletask import worker, task

Expand All @@ -34,6 +35,13 @@
TInput = TypeVar('TInput')
TOutput = TypeVar('TOutput')

ClientInterceptor = Union[
grpc.UnaryUnaryClientInterceptor,
grpc.UnaryStreamClientInterceptor,
grpc.StreamUnaryClientInterceptor,
grpc.StreamStreamClientInterceptor,
]


class WorkflowRuntime:
"""WorkflowRuntime is the entry point for registering workflows and activities."""
Expand All @@ -43,6 +51,10 @@ def __init__(
host: Optional[str] = None,
port: Optional[str] = None,
logger_options: Optional[LoggerOptions] = None,
interceptors: Optional[Sequence[ClientInterceptor]] = None,
maximum_concurrent_activity_work_items: Optional[int] = None,
maximum_concurrent_orchestration_work_items: Optional[int] = None,
maximum_thread_pool_workers: Optional[int] = None,
):
self._logger = Logger('WorkflowRuntime', logger_options)
metadata = tuple()
Expand All @@ -62,6 +74,12 @@ def __init__(
secure_channel=uri.tls,
log_handler=options.log_handler,
log_formatter=options.log_formatter,
interceptors=interceptors,
concurrency_options=worker.ConcurrencyOptions(
maximum_concurrent_activity_work_items=maximum_concurrent_activity_work_items,
maximum_concurrent_orchestration_work_items=maximum_concurrent_orchestration_work_items,
maximum_thread_pool_workers=maximum_thread_pool_workers,
),
)

def register_workflow(self, fn: Workflow, *, name: Optional[str] = None):
Expand Down