team-10/env/Lib/site-packages/streamlit/runtime/__init__.py
2025-08-02 07:34:44 +02:00

50 lines
1.5 KiB
Python

# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022-2025)
#
# 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 __future__ import annotations
from streamlit.runtime.runtime import Runtime, RuntimeConfig, RuntimeState
from streamlit.runtime.session_manager import (
SessionClient,
SessionClientDisconnectedError,
)
def get_instance() -> Runtime:
"""Return the singleton Runtime instance. Raise an Error if the
Runtime hasn't been created yet.
"""
return Runtime.instance()
def exists() -> bool:
"""True if the singleton Runtime instance has been created.
When a Streamlit app is running in "raw mode" - that is, when the
app is run via `python app.py` instead of `streamlit run app.py` -
the Runtime will not exist, and various Streamlit functions need
to adapt.
"""
return Runtime.exists()
__all__ = [
"Runtime",
"RuntimeConfig",
"RuntimeState",
"SessionClient",
"SessionClientDisconnectedError",
"exists",
"get_instance",
]