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import streamlit as st | |
import pandas as pd | |
import numpy as np | |
def load_data(): | |
data = pd.DataFrame( | |
np.random.randn(1000, 2), | |
columns=['a', 'b']) | |
return data | |
def convert_df(df): | |
# IMPORTANT: Cache the conversion to prevent computation on every rerun | |
return df.to_csv().encode('utf-8') | |
my_large_df = load_data() | |
csv = convert_df(my_large_df) | |
st.download_button( | |
label="Download data as CSV", | |
data=csv, | |
file_name='large_df.csv', | |
mime='text/csv', | |
) | |
text_contents = '''This is some text''' | |
st.download_button('Download some text', text_contents) | |
binary_contents = b'example content' | |
# Defaults to 'application/octet-stream' | |
st.download_button('Download binary file', binary_contents) | |
with open("pages/flower.png", "rb") as file: | |
btn = st.download_button( | |
label="Download image", | |
data=file, | |
file_name="flower.png", | |
mime="image/png" | |
) | |