st_html.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 streamlit as st

# Test that we can render HTML with in-line styles
st.html(
    """
    <div style="font-family: 'Comic Sans MS'; color: orange">
        This is a div with some inline styles.
    </div>
    """
)

# Test that script tags are sanitized
st.html(
    """
    <i> This is a i tag </i>
    <script>
        alert('BEWARE - the script tag is scripting');
    </script>
    <strong> This is a strong tag </strong>
    """
)

# Test that style tags are applied
st.html(
    """
    <style>
        #corgi {
            color:blue;
        }
    </style>
    <div id="corgi">This text should be blue</div>
    """
)

# Test that non-rendered HTML doesn't cause extra spacing
st.write("Before tag:")
st.html(
    """
    <style>
        #random {
            color:blue;
        }
    </style>
    """
)
st.write("After tag")