add dapr session option

.gitignore

@@ -13,3 +13,4 @@ dist
 repl_state
 .kiro
 uv.lock
+.idea

pyproject.toml

@@ -55,6 +55,7 @@ sagemaker = [
     "openai>=1.68.0,<2.0.0",  # SageMaker uses OpenAI-compatible interface
 ]
 otel = ["opentelemetry-exporter-otlp-proto-http>=1.30.0,<2.0.0"]
+dapr = ["dapr>=1.16.0", "grpcio>=1.60.0"]
 docs = [
     "sphinx>=5.0.0,<9.0.0",
     "sphinx-rtd-theme>=1.0.0,<2.0.0",
@@ -69,7 +70,7 @@ a2a = [
     "fastapi>=0.115.12,<1.0.0",
     "starlette>=0.46.2,<1.0.0",
 ]
-all = ["strands-agents[a2a,anthropic,docs,gemini,litellm,llamaapi,mistral,ollama,openai,writer,sagemaker,otel]"]
+all = ["strands-agents[a2a,anthropic,dapr,docs,gemini,litellm,llamaapi,mistral,ollama,openai,writer,sagemaker,otel]"]
 
 dev = [
     "commitizen>=4.4.0,<5.0.0",
@@ -82,6 +83,7 @@ dev = [
     "pytest-asyncio>=1.0.0,<1.3.0",
     "pytest-xdist>=3.0.0,<4.0.0",
     "ruff>=0.13.0,<0.14.0",
+    "testcontainers[redis]>=4.0.0",
 ]
 
 [project.urls]
@@ -135,6 +137,9 @@ dependencies = [
     "pytest-asyncio>=1.0.0,<1.3.0",
     "pytest-xdist>=3.0.0,<4.0.0",
     "moto>=5.1.0,<6.0.0",
+    "dapr>=1.16.0",
+    "grpcio>=1.60.0",
+    "testcontainers[redis]>=4.0.0",
 ]
 
 [[tool.hatch.envs.hatch-test.matrix]]

src/strands/session/__init__.py

@@ -3,16 +3,56 @@
 This module provides session management functionality.
 """
 
+from typing import Any
+
 from .file_session_manager import FileSessionManager
 from .repository_session_manager import RepositorySessionManager
 from .s3_session_manager import S3SessionManager
 from .session_manager import SessionManager
 from .session_repository import SessionRepository
 
 __all__ = [
+    "DAPR_CONSISTENCY_EVENTUAL",
+    "DAPR_CONSISTENCY_STRONG",
+    "DaprSessionManager",
     "FileSessionManager",
     "RepositorySessionManager",
     "S3SessionManager",
     "SessionManager",
     "SessionRepository",
 ]
+
+
+def __getattr__(name: str) -> Any:
+    """Lazy import for optional dependencies."""
+    if name == "DaprSessionManager":
+        try:
+            from .dapr_session_manager import DaprSessionManager
+
+            return DaprSessionManager
+        except ModuleNotFoundError as e:
+            raise ImportError(
+                "DaprSessionManager requires the 'dapr' extra. Install it with: pip install strands-agents[dapr]"
+            ) from e
+
+    if name == "DAPR_CONSISTENCY_EVENTUAL":
+        try:
+            from .dapr_session_manager import DAPR_CONSISTENCY_EVENTUAL
+
+            return DAPR_CONSISTENCY_EVENTUAL
+        except ModuleNotFoundError as e:
+            raise ImportError(
+                "DAPR_CONSISTENCY_EVENTUAL requires the 'dapr' extra. Install it with: pip install strands-agents[dapr]"
+            ) from e
+
+    if name == "DAPR_CONSISTENCY_STRONG":
+        try:
+            from .dapr_session_manager import DAPR_CONSISTENCY_STRONG
+
+            return DAPR_CONSISTENCY_STRONG
+        except ModuleNotFoundError as e:
+            raise ImportError(
+                "DAPR_CONSISTENCY_STRONG requires the 'dapr' extra. Install it with: pip install strands-agents[dapr]"
+            ) from e
+
+    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")