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Important

This is an experimental feature. Experimental features and their APIs may change or be removed at any time. To learn more, click here.

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Tip

This page only contains information on the st.connections.ExperimentalBaseConnection class. For a deeper dive into creating and managing data connections within Streamlit apps, read Connecting to data.

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Deprecation notice

st.connections.ExperimentalBaseConnection was deprecated in version 1.28.0. Use st.connections.BaseConnection instead.

The abstract base class that all Streamlit Connections must inherit from.

This base class provides connection authors with a standardized way to hook into the st.connection() factory function: connection authors are required to provide an implementation for the abstract method _connect in their subclasses.

Additionally, it also provides a few methods/properties designed to make implementation of connections more convenient. See the docstrings for each of the methods of this class for more information

Note

While providing an implementation of _connect is technically all that's required to define a valid connection, connections should also provide the user with context-specific ways of interacting with the underlying connection object. For example, the first-party SQLConnection provides a query() method for reads and a session property for more complex operations.

Class description[source]

st.connections.ExperimentalBaseConnection(connection_name, **kwargs)

Methods

reset()

Reset this connection so that it gets reinitialized the next time it's used.

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Warning

This method did not exist in version 1.32.0 of Streamlit.

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