streamlit

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# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022-2024)
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import time
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import numpy as np
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import pandas as pd
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import streamlit as st
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np.random.seed(0)
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_LOREM_IPSUM = """
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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut
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labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco
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laboris nisi ut aliquip ex ea commodo consequat.
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"""
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def stream_example():
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    for word in _LOREM_IPSUM.split():
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        yield word + " "
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        time.sleep(0.02)
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    yield pd.DataFrame(
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        np.random.randn(5, 10),
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        columns=["a", "b", "c", "d", "e", "f", "g", "h", "i", "j"],
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    )
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    for word in "This is the end of the stream.".split():
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        yield word + " "
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        time.sleep(0.02)
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if st.button("Stream data"):
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    st.session_state["written_content"] = st.write_stream(stream_example)
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else:
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    if "written_content" in st.session_state:
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        st.write(st.session_state["written_content"])
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