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| import streamlit as st | |
| import re,torch | |
| import json,os | |
| from transformers import AutoModelForCausalLM, AutoTokenizer | |
| from datetime import datetime | |
| # Load model and tokenizer | |
| model = AutoModelForCausalLM.from_pretrained( | |
| "Qwen/Qwen1.5-0.5B-Chat", | |
| torch_dtype="auto", | |
| device_map="auto", | |
| ) | |
| tokenizer = AutoTokenizer.from_pretrained("Qwen/Qwen1.5-0.5B-Chat") | |
| if 'recipe' not in st.session_state: | |
| st.session_state.recipe = 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 | |
| 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...'): | |
| provide_recipe_schema = { | |
| 'type': 'function', | |
| 'function': { | |
| '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}] | |
| text = tokenizer.apply_chat_template( | |
| messages, | |
| tokenize=False, | |
| add_generation_prompt=True, | |
| tools=[provide_recipe_schema] | |
| ) | |
| # Tokenize and move to the correct device | |
| model_inputs = tokenizer([text], return_tensors="pt") | |
| torch.cuda.empty_cache() | |
| with torch.no_grad(): | |
| generated_ids = model.generate( | |
| model_inputs.input_ids, | |
| max_new_tokens=64, | |
| tools=functions# Reduced value for memory management | |
| ) | |
| generated_ids = [ | |
| output_ids[len(input_ids):] for input_ids, output_ids in zip(model_inputs.input_ids, generated_ids) | |
| ] | |
| st.session_state.recipe = tokenizer.batch_decode(generated_ids, skip_special_tokens=True)[0] | |
| st.session_state.recipe_saved = False | |
| 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" | |
| 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.recipe is not None: | |
| st.divider() | |
| print(st.session_state.recipe) | |
| recipe = json.loads(st.session_state.recipe) | |
| recipe_md = '' | |
| recipe_md += f'# {recipe["name"]} \n\n' | |
| recipe_md += f'{recipe["description"]} \n\n' | |
| recipe_md += '## Ingredients: \n' | |
| for ingredient in recipe['ingredients']: | |
| recipe_md += f"- {ingredient['name']} \n" | |
| recipe_md += '\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("") | |