structure saas with tools

.venv/lib/python3.10/site-packages/google/adk/sessions/session.py

@@ -0,0 +1,54 @@
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from typing import Any
+
+from pydantic import BaseModel
+from pydantic import ConfigDict
+from pydantic import Field
+
+from ..events.event import Event
+
+
+class Session(BaseModel):
+  """Represents a series of interactions between a user and agents.
+
+  Attributes:
+    id: The unique identifier of the session.
+    app_name: The name of the app.
+    user_id: The id of the user.
+    state: The state of the session.
+    events: The events of the session, e.g. user input, model response, function
+      call/response, etc.
+    last_update_time: The last update time of the session.
+  """
+
+  model_config = ConfigDict(
+      extra='forbid',
+      arbitrary_types_allowed=True,
+  )
+
+  id: str
+  """The unique identifier of the session."""
+  app_name: str
+  """The name of the app."""
+  user_id: str
+  """The id of the user."""
+  state: dict[str, Any] = Field(default_factory=dict)
+  """The state of the session."""
+  events: list[Event] = Field(default_factory=list)
+  """The events of the session, e.g. user input, model response, function
+  call/response, etc."""
+  last_update_time: float = 0.0
+  """The last update time of the session."""