streamlit_app.py

import streamlit
import pandas
import requests
import snowflake.connector
from urllib.error import URLError


my_fruit_list = pandas.read_csv("https://uni-lab-files.s3.us-west-2.amazonaws.com/dabw/fruit_macros.txt")
my_fruit_list = my_fruit_list.set_index('Fruit')

streamlit.title('My Parents New Healthy Diner')

streamlit.header('Breakfast Menu')

streamlit.text('🥣 Omega 3 & Bueberry Oatmmeal')
streamlit.text('🥗 Kale, Spinach & Rocket Smoothie')
streamlit.text('🐔 Hard-Boiled Free-Range Egg')
streamlit.text('🥑🍞 AVocado Toast')

streamlit.header('🍌🥭 Build Your Own Fruit Smoothie 🥝🍇')

# Let's put a pick list here so they can pick the fruit they want to include 
fruits_selected = streamlit.multiselect("Pick some fruits:", list(my_fruit_list.index),['Avocado','Strawberries'])
fruits_to_show = my_fruit_list.loc[fruits_selected]

# Display the table on the page.
streamlit.dataframe(fruits_to_show)

def get_fruityvice_data(this_fruit_choice):
   fruityvice_response = requests.get("https://fruityvice.com/api/fruit/" + fruit_choice)
   fruityvice_normalized = pandas.json_normalize(fruityvice_response.json())
   return fruityvice_normalized

# Fruit advice
streamlit.header("Fruityvice Fruit Advice!")
try:
  fruit_choice = streamlit.text_input('What fruit would you like information about?')
  if not fruit_choice:
      streamlit.error(" Please select a fruit to get information.")
  else:
    streamlit.dataframe(get_fruityvice_data(fruit_choice))
    
except URLError as e:
    streamlit.error()


streamlit.header("The fruit load list contains:")
#snowlake-related functions
def get_fruit_load_list():
     with my_cnx.cursor() as my_cur:
         my_cur.execute("select * from fruit_load_list")
         return my_cur.fetchall()

if streamlit.button('Get fruit load list'):
   my_cnx = snowflake.connector.connect(**streamlit.secrets["snowflake"])
   my_data_rows = get_fruit_load_list()
   my_cnx.close()
   streamlit.dataframe(my_data_rows)


def insert_row_snowflake(new_fruit):
      with my_cnx.cursor() as my_cur:
            my_cur.execute("insert into fruit_load_list values('" + new_fruit + "')")
            return "Thanks for adding " + new_fruit

add_my_fruit = streamlit.text_input('What fruit would you like to add?','Jackfruit')
if streamlit.button('Add a fruit to the list'):
   my_cnx = snowflake.connector.connect(**streamlit.secrets["snowflake"])
   back_from_function = insert_row_snowflake(add_my_fruit)
   my_cnx.close()
   streamlit.text(back_from_function)