recipes_app / Home.py
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Update Home.py
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import streamlit as st
import numpy as np
import pandas as pd
import re
import json
from openai import OpenAI
import secrets
from datetime import datetime
client = OpenAI(
api_key = st.secrets["open_ai_key"]
)
# state management
if 'gpt_response' not in st.session_state:
st.session_state.gpt_response = None
if 'recipe_saved' not in st.session_state:
st.session_state.recipe_saved = None
if 'user_direction' not in st.session_state:
st.session_state.user_direction = None
if 'serving_size' not in st.session_state:
st.session_state.serving_size = 2
if 'selected_difficulty' not in st.session_state:
st.session_state.selected_difficulty = "Quick & Easy"
if 'exclusions' not in st.session_state:
st.session_state.exclusions = None
if 'admin' not in st.session_state:
st.session_state.admin = False
# functions
def create_detailed_prompt(user_direction, exclusions, serving_size, difficulty):
if difficulty == "Quick & Easy":
prompt = (
f"Provide a 'Quick and Easy' recipe for {user_direction} that excludes {exclusions} and has a serving size of {serving_size}. "
f"It should require as few ingredients as possible and should be ready in as little time as possible. "
f"The steps should be simple, and the ingredients should be commonly found in a household pantry. "
f"Provide a detailed ingredient list and step-by-step guide that explains the instructions to prepare in detail."
)
elif difficulty == "Intermediate":
prompt = (
f"Provide a classic recipe for {user_direction} that excludes {exclusions} and has a serving size of {serving_size}. "
f"The recipe should offer a bit of a cooking challenge but should not require professional skills. "
f"The recipe should feature traditional ingredients and techniques that are authentic to its cuisine. "
f"Provide a detailed ingredient list and step-by-step guide that explains the instructions to prepare in detail."
)
elif difficulty == "Professional":
prompt = (
f"Provide a advanced recipe for {user_direction} that excludes {exclusions} and has a serving size of {serving_size}. "
f"The recipe should push the boundaries of culinary arts, integrating unique ingredients, advanced cooking techniques, and innovative presentations. "
f"The recipe should be able to be served at a high-end restaurant or would impress at a gourmet food competition. "
f"Provide a detailed ingredient list and step-by-step guide that explains the instructions to prepare in detail."
)
return prompt
def generate_recipe(user_inputs):
with st.spinner('Building the perfect recipe...'):
functions = [
{
"name": "provide_recipe",
"description": "Provides a detailed recipe strictly adhering to the user input/specifications, especially ingredient exclusions and the recipe difficulty",
"parameters": {
"type": "object",
"properties": {
"name": {
"type": "string",
"description": "A creative name for the recipe"
},
"description": {
"type": "string",
"description": "a brief one-sentence description of the provided recipe"
},
"ingredients": {
"type": "array",
"items": {
"type": "object",
"properties": {
"name": {
"type": "string",
"description": "Quantity and name of the ingredient"
}
}
}
},
"instructions": {
"type": "array",
"items": {
"type": "object",
"properties": {
"step_number": {
"type": "number",
"description": "The sequence number of this step"
},
"instruction": {
"type": "string",
"description": "Detailed description of what to do in this step"
}
}
}
}
},
"required": [
"name",
"description",
"ingredients",
"instructions"
],
},
}
]
prompt = create_detailed_prompt(user_inputs['user_direction'], user_inputs['exclusions'], user_inputs['serving_size'], user_inputs['difficulty'])
messages = [{"role": "user", "content": prompt}]
st.session_state.gpt_response = client.chat.completions.create(
model="gpt-4o-mini",
messages=messages,
temperature=0.75,
top_p=0.75,
functions=functions,
function_call={"name":"provide_recipe"}, # auto is default, but we'll be explicit
)
st.session_state.recipe_saved = False
def create_safe_filename(recipe_name):
# format and generate random URL-safe text string
safe_name = recipe_name.lower()
safe_name = safe_name.replace(" ", "_")
safe_name = re.sub(r"[^a-zA-Z0-9_]", "", safe_name)
safe_name = (safe_name[:50]) if len(safe_name) > 50 else safe_name
unique_token = secrets.token_hex(8)
safe_filename = f"{unique_token}_{safe_name}"
return safe_filename
def save_recipe():
filename = create_safe_filename(recipe["name"])
with open(f'/data/{filename}.json', 'w') as f:
json.dump(recipe, f, indent=4)
st.session_state.recipe_saved = True
def clear_inputs():
st.session_state.user_direction = None
st.session_state.exclusions = None
st.session_state.serving_size = 2
st.session_state.selected_difficulty = "Quick & Easy"
# app
st.title("Let's get cooking")
st.session_state.user_direction = st.text_area(
"What do you want to cook? Describe anything - a dish, cuisine, event, or vibe.",
value = st.session_state.user_direction,
placeholder="quick snack, asian style bowl with either noodles or rice, something italian",
)
st.session_state.serving_size = st.number_input(
"How many servings would you like to cook?",
min_value=1,
max_value=100,
value=st.session_state.serving_size,
step=1
)
difficulty_dictionary = {
"Quick & Easy": {
"description": "Easy recipes with straightforward instructions. Ideal for beginners or those seeking quick and simple cooking.",
},
"Intermediate": {
"description": "Recipes with some intricate steps that invite a little challenge. Perfect for regular cooks wanting to expand their repertoire with new ingredients and techniques.",
},
"Professional": {
"description": "Complex recipes that demand a high level of skill and precision. Suited for seasoned cooks aspiring to professional-level sophistication and creativity.",
}
}
st.session_state.selected_difficulty = st.radio(
"Choose a difficulty level for your recipe.",
[
list(difficulty_dictionary.keys())[0],
list(difficulty_dictionary.keys())[1],
list(difficulty_dictionary.keys())[2]
],
captions = [
difficulty_dictionary["Quick & Easy"]["description"],
difficulty_dictionary["Intermediate"]["description"],
difficulty_dictionary["Professional"]["description"]
],
index=list(difficulty_dictionary).index(st.session_state.selected_difficulty)
)
st.session_state.exclusions = st.text_area(
"Any ingredients you want to exclude?",
value = st.session_state.exclusions,
placeholder="gluten, dairy, nuts, cilantro",
)
fancy_exclusions =""
if st.session_state.selected_difficulty == "Professional":
exclude_fancy = st.checkbox(
"Exclude cliche professional ingredients? (gold leaf, truffle, edible flowers, microgreens)",
value=True)
fancy_exclusions = "gold leaf, truffle, edible flowers, microgreens, gold dust"
user_inputs = {
"user_direction" : st.session_state.user_direction,
"exclusions": f"{st.session_state.exclusions}, {fancy_exclusions}",
"serving_size": st.session_state.serving_size,
"difficulty": st.session_state.selected_difficulty
}
button_cols_submit = st.columns([1, 1, 4])
with button_cols_submit[0]:
st.button(label='Submit', on_click=generate_recipe, kwargs=dict(user_inputs=user_inputs), type="primary", use_container_width=True)
with button_cols_submit[1]:
st.button(label='Reset', on_click=clear_inputs, type="secondary", use_container_width=True)
with button_cols_submit[2]:
st.empty()
if st.session_state.gpt_response is not None:
st.divider()
recipe = json.loads(st.session_state.gpt_response.choices[0].message.function_call.arguments)
recipe_md = ''
recipe_md += f'# {recipe["name"]} \n\n'
recipe_md += f'{recipe["description"]} \n\n'
recipe_md += f'## Ingredients: \n'
for ingredient in recipe['ingredients']:
recipe_md += f"- {ingredient['name']} \n"
recipe_md += f'\n## Instructions:\n'
for instruction in recipe['instructions']:
recipe_md += f"{instruction['step_number']}. {instruction['instruction']} \n"
recipe['md'] = recipe_md
recipe['timestamp'] = str(datetime.now())
st.markdown(recipe_md)
st.write("")
if st.session_state.recipe_saved == True:
disable_button = True
else:
disable_button = False
button_cols_save = st.columns([1, 1, 4])
with button_cols_save[0]:
st.button("Save Recipe", on_click=save_recipe, disabled=disable_button, type="primary")
with button_cols_save[1]:
st.empty()
with button_cols_save[2]:
st.empty()
if st.session_state.recipe_saved == True:
st.success("Recipe Saved!")