Chef.ai

AI recipe generator web app all made in Python using the reflex framework and Gemini API!

Deployment

Check it out!

Installation

git clone https://github.com/BustosAndrew/lahacks.git
cd lahacks
pip install -r requirements.txt
reflex run

Code Examples

lahacks/lahacks/api/gemini.py

Lines 1 to 60 in 5276e42

	import google.generativeai as genai
	import os
	genai.configure(api_key=os.environ.get("GEMINI_API_KEY"))
	# Set up the model
	generation_config = {
	"temperature": 0.9,
	"top_p": 0.95,
	"top_k": 32,
	"max_output_tokens": 1024,
	}
	safety_settings = [
	{
	"category": "HARM_CATEGORY_HARASSMENT",
	"threshold": "BLOCK_MEDIUM_AND_ABOVE"
	},
	{
	"category": "HARM_CATEGORY_HATE_SPEECH",
	"threshold": "BLOCK_MEDIUM_AND_ABOVE"
	},
	{
	"category": "HARM_CATEGORY_SEXUALLY_EXPLICIT",
	"threshold": "BLOCK_MEDIUM_AND_ABOVE"
	},
	{
	"category": "HARM_CATEGORY_DANGEROUS_CONTENT",
	"threshold": "BLOCK_MEDIUM_AND_ABOVE"
	},
	]
	model = genai.GenerativeModel(model_name="gemini-1.5-pro-latest",
	generation_config=generation_config,
	safety_settings=safety_settings)
	def generate_recipe(req: dict):
	print(req["cookware"])
	prompt_parts = [
	"Provide a healthier recipe consistent with the provided ingredients, along with the steps to make them. Adjust the entire recipe depending on the provided cookware. Provide nutritional info where possible. Add a name for the recipe and categorize the details as either healthy or unhealthy. Make sure to flag anything as unhealthy from the ingredients.",
	"Ingredients: " + req["ingredients"],
	"Use only these ingredients (True/False): " +
	str(req["onlyIngredients"]),
	"Cookware: " + req["cookware"],
	]
	response = model.generate_content(prompt_parts, stream=True)
	for chunk in response:
	yield chunk
	def generate_prompt(req: str):
	prompt_parts = [
	"Generate only one prompt of an image that resembles very closely to the end result of the provided recipe. Be as specific and detailed as possible according to the recipe guideline. Ensure that the prompt also adheres closely to the given amount per ingredient. Only give the plain text of the prompt idea without any formatting or headers.",
	"Recipe details: " + req,
	]
	response = model.generate_content(prompt_parts)
	return response.text

lahacks/lahacks/states/form_state.py

Lines 1 to 73 in 5276e42

	import reflex as rx
	from lahacks.states.field_state import FieldState
	from lahacks.api.gemini import generate_recipe, generate_prompt
	from lahacks.pages.text2img import text2img
	class DynamicFormState(rx.State):
	form_data: dict = {}
	form_fields: list[list[str]] = []
	ai_response: str = ""
	submitted: bool = False
	cantSubmit: bool = True
	buttonText: str = "Submit"
	imageLink: str = ""
	onlyIngredients: bool = False
	def set_only_ingredients(self, value: bool):
	self.onlyIngredients = value
	def add_field(self, ingredient: str, quantity: int, unit: str):
	if not ingredient:
	return
	self.form_fields.append([ingredient, str(quantity), unit])
	self.cantSubmit = False
	def handle_submit(self, form_data: dict):
	self.submitted = True
	self.cantSubmit = True
	self.buttonText = "Generating..."
	yield
	if not self.form_fields:
	self.submitted = False
	self.cantSubmit = False
	self.buttonText = "Submit"
	return
	self.ai_response = ""
	self.form_data = form_data
	chunks = generate_recipe({
	"ingredients": ", ".join([
	f"{field[1]}{field[2]} {field[0]}"
	for field in self.form_fields
	]),
	"onlyIngredients": self.onlyIngredients,
	"cookware": form_data.get("cookware", "Decide based on the recipe."),
	})
	for chunk in chunks:
	self.ai_response += chunk.text
	yield
	if self.ai_response:
	self.form_fields = []
	self.submitted = False
	self.buttonText = "Submit"
	yield
	recipe_prompt = generate_prompt(self.ai_response)
	self.imageLink = text2img(recipe_prompt)
	def handle_reset(self):
	FieldState.ingredient = ""
	FieldState.quantity = ""
	FieldState.unit = ""
	FieldState.cookware = ""
	yield
	self.ai_response = ""
	self.form_data = {}
	self.form_fields = []
	self.imageLink = ""
	self.cantSubmit = True
	self.onlyIngredients = False
	yield

lahacks/lahacks/lahacks.py

Lines 1 to 109 in 5276e42

	import reflex as rx
	from lahacks.pages.components.recipe_image import output
	from lahacks.states.form_state import DynamicFormState
	from lahacks.states.field_state import FieldState
	from lahacks.styles.styles import button_style
	def dynamic_form():
	return rx.vstack(
	rx.form(
	rx.vstack(
	rx.foreach(
	DynamicFormState.form_fields,
	lambda field: rx.box(rx.vstack(
	rx.vstack(rx.heading("Ingredient", size="4"),
	rx.text(field[0], style={"overflow-wrap": "break-word", "word-wrap": "break-word"})),
	rx.heading("Amount", size="4"),
	rx.text(field[1] + " " + field[2]),
	), border_width=1, border_color="gray-300", border_radius=10, padding=10, width="100%"),
	),
	rx.hstack(
	rx.input(
	placeholder="Ingredient name",
	name="ingredient",
	value=FieldState.ingredient,
	on_change=FieldState.set_ingredient
	),
	rx.input(
	placeholder="Amount",
	name="amount",
	on_change=FieldState.set_quantity,
	value=FieldState.quantity
	),
	rx.select(["no unit", "grams", "oz", "fl oz", "gallon(s)", "piece(s)", "slice(s)", "can(s)", "jar(s)", "bottle(s)", "jug(s)", "bag(s)"], name="unit", placeholder="Units (optional)",
	on_change=FieldState.set_unit, value=FieldState.unit),
	rx.button("+", on_click=DynamicFormState.add_field(
	FieldState.ingredient,
	FieldState.quantity,
	FieldState.unit,
	), type="button", style=button_style),
	rx.button("Clear", on_click=FieldState.reset_vals,
	type="button", style=button_style),
	),
	rx.checkbox("Use only these ingredients?", size="3",
	on_change=DynamicFormState.set_only_ingredients, checked=DynamicFormState.onlyIngredients, name="onlyIngredients"),
	rx.input.root(rx.input(
	placeholder="Enter your cookware (optional)",
	name="cookware",
	on_change=FieldState.set_cookware,
	value=FieldState.cookware,
	), width="100%"),
	rx.text("Press the + button to add your ingredient."),
	rx.spacer(),
	rx.hstack(
	rx.button(DynamicFormState.buttonText, type="submit",
	disabled=DynamicFormState.cantSubmit, style=button_style),
	rx.button(
	"Reset", on_click=DynamicFormState.handle_reset, type="button", style=button_style),
	rx.cond(
	DynamicFormState.buttonText == "Generating...",
	rx.html('''<dotlottie-player src="https://lottie.host/d395e1a4-28dc-4e60-bffd-8a8ed8844318/qvoNVQ79Bc.json" background="transparent" speed="1" style="width: 50px; height: 40px;" loop autoplay></dotlottie-player>'''),
	),
	align="center",
	),
	rx.cond(
	DynamicFormState.ai_response != "",
	rx.box(rx.text("View your ", size="4", as_="span"), rx.link(
	"generated recipe!",
	href="/output/",
	underline="always",
	size="4",
	as_="span"
	)),
	),
	height="100%",
	),
	on_mount=DynamicFormState.handle_reset,
	on_submit=DynamicFormState.handle_submit,
	reset_on_submit=True,
	height="100%",
	),
	height="100%",
	)
	def index() -> rx.Component:
	return rx.center(
	rx.script(src="https://unpkg.com/@dotlottie/player-component@latest/dist/dotlottie-player.mjs",
	custom_attrs={"type": "module"}),
	rx.vstack(
	rx.heading("Chef.ai", marginX="auto", paddingY=10),
	rx.box(
	dynamic_form(),
	border_width=1,
	border_color="gray-300",
	border_radius=10,
	height="80%",
	padding=20,
	),
	height="100%",
	),
	height="100vh",
	paddingX=10,
	)
	app = rx.App()
	app.add_page(index)
	app.add_page(output)