st_feedback.py

# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022-2024)
#
# 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.

import time

import streamlit as st

st.feedback()
st.feedback(
    "faces",
    key="faces_feedback",
    on_change=lambda: st.write(f"Faces sentiment: {st.session_state.faces_feedback}"),
)
sentiment = st.feedback("stars")
st.write(f"Star sentiment: {sentiment}")


sentiment = st.feedback("stars", disabled=True, key="disabled_feedback")
st.write("feedback-disabled:", str(sentiment))

with st.form(key="my_form", clear_on_submit=True):
    sentiment = st.feedback()
    st.form_submit_button("Submit")

st.write("feedback-in-form:", str(sentiment))


@st.experimental_fragment()
def test_fragment():
    sentiment = st.feedback(key="fragment_feedback")
    st.write("feedback-in-fragment:", str(sentiment))


test_fragment()


if st.button("Create some elements to unmount component"):
    for _ in range(3):
        # The sleep here is needed, because it won't unmount the
        # component if this is too fast.
        time.sleep(1)
        st.write("Another element")

sentiment = st.feedback(key="after_sleep_feedback")
st.write("feedback-after-sleep:", str(sentiment))


if "runs" not in st.session_state:
    st.session_state.runs = 0
st.session_state.runs += 1
st.write("Runs:", st.session_state.runs)