39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
import streamlit.ReportThread as ReportThread
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from streamlit.ScriptRequestQueue import RerunData
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from streamlit.ScriptRunner import RerunException
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from streamlit.server.Server import Server
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def rerun():
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"""Rerun a Streamlit app from the top!"""
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widget_states = _get_widget_states()
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raise RerunException(RerunData(widget_states))
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def _get_widget_states():
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# Hack to get the session object from Streamlit.
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ctx = ReportThread.get_report_ctx()
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session = None
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current_server = Server.get_current()
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if hasattr(current_server, '_session_infos'):
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# Streamlit < 0.56
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session_infos = Server.get_current()._session_infos.values()
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else:
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session_infos = Server.get_current()._session_info_by_id.values()
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for session_info in session_infos:
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if session_info.session.enqueue == ctx.enqueue:
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session = session_info.session
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if session is None:
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raise RuntimeError(
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"Oh noes. Couldn't get your Streamlit Session object"
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"Are you doing something fancy with threads?"
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)
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# Got the session object!
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return session._widget_states
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