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fix: Resolve dependency issue with sql stores #303

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Merged
holtskinner merged 2 commits into from
Jul 14, 2025
Merged

fix: Resolve dependency issue with sql stores #303

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fix: Resolve dependency issue with sql stores
kthota-g Jul 14, 2025
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kthota-g Jul 14, 2025
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27 changes: 26 additions & 1 deletion src/a2a/server/tasks/__init__.py
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Original file line number Diff line number Diff line change
@@ -1,9 +1,10 @@
"""Components for managing tasks within the A2A server."""

import logging

from a2a.server.tasks.base_push_notification_sender import (
BasePushNotificationSender,
)
from a2a.server.tasks.database_task_store import DatabaseTaskStore
from a2a.server.tasks.inmemory_push_notification_config_store import (
InMemoryPushNotificationConfigStore,
)
Expand All @@ -18,6 +19,30 @@
from a2a.server.tasks.task_updater import TaskUpdater


logger = logging.getLogger(__name__)

try:
from a2a.server.tasks.database_task_store import (
DatabaseTaskStore, # type: ignore
)
except ImportError as e:
_original_error = e
# If the database task store is not available, we can still use in-memory stores.
logger.debug(
'DatabaseTaskStore not loaded. This is expected if database dependencies are not installed. Error: %s',
e,
)

class DatabaseTaskStore: # type: ignore
"""Placeholder for DatabaseTaskStore when dependencies are not installed."""

def __init__(self, *args, **kwargs):
raise ImportError(
'To use DatabaseTaskStore, its dependencies must be installed. '
'You can install them with \'pip install "a2a-sdk[sql]"\''
) from _original_error


__all__ = [
'BasePushNotificationSender',
'DatabaseTaskStore',
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