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""" Flashcards generator page definition """
import os
import streamlit as st
from constants import language_to_flag, languages
from flashcard import Flashcard, FlashcardGeneratorOpenAI
def create_flashcard(
expression: str, input_language: str, output_language: str
) -> Flashcard:
"""
Creates a Flashcard instance with given expression and languages.
Args:
expression (str): The expression to be included in the flashcard.
input_language (str): The language of the input expression.
output_language (str): The target language for translation.
Returns:
Flashcard: A new Flashcard instance.
"""
return Flashcard(
input_expression=expression,
input_language=input_language,
output_expression=None,
output_language=output_language,
example_usage=None,
)
def create_toggle(col, original: str, translation: str, example: str):
"""
Creates a toggle (expandable section) in the Streamlit app.
Args:
col: The Streamlit column where the toggle will be placed.
original (str): The original expression to be displayed.
translation (str): The translated expression.
example (str): An example usage of the expression.
id (str): A unique identifier for the toggle.
"""
with col:
with st.expander(original, expanded=st.session_state.expand_all):
st.write(f"**{translation}**\n\n{example}")
def show_generator(generator: FlashcardGeneratorOpenAI):
"""
Displays the flashcard generator interface in the Streamlit app.
Args:
generator (FlashcardGeneratorOpenAI): The flashcard generator object.
"""
col1, col2 = st.columns(2)
with col1:
input_language = st.selectbox(
"Select an input language:", languages, index=languages.index("English")
)
with col2:
output_language = st.selectbox(
"Select an output language:", languages, index=languages.index("Polish")
)
if "input_language" not in st.session_state:
st.session_state.input_language = input_language
st.session_state.input_language = input_language
if "output_language" not in st.session_state:
st.session_state.output_language = output_language
st.session_state.output_language = output_language
expression = st.text_input(
"Expression",
placeholder="Enter an expression and press Enter to generate a flashcard",
)
if expression and not any(
flashcard.input_expression == expression
for flashcard in st.session_state.flashcards.data
):
new_flashcard = generator.generate_flashcard(
expression, input_language, output_language
)
st.session_state.flashcards.data.append(new_flashcard)
def show_expand_button():
"""
Displays a button to expand or collapse all flashcards in the Streamlit app.
"""
if st.button("Expand/Collapse All"):
st.session_state.expand_all = not st.session_state.expand_all
def show_flashcards():
"""
Displays the generated flashcards in the Streamlit app.
"""
if len(st.session_state.flashcards) == 0:
st.info("Generate a flashcard or import a file with previously generated ones")
else:
col1, col2 = st.columns(2)
for idx, flashcard in enumerate(st.session_state.flashcards.data):
create_toggle(
col1 if idx % 2 == 0 else col2,
f"{language_to_flag[flashcard.input_language]} {flashcard.input_expression}",
f"{language_to_flag[flashcard.output_language]} {flashcard.output_expression}",
f"{flashcard.example_usage}",
)
def show_generator_page():
"""
Sets up the main page of the Streamlit app for the flashcard generator.
"""
generator = FlashcardGeneratorOpenAI(api_key=os.environ["OPENAI_API_KEY"])
st.title("Flashcards generator")
show_generator(generator)
st.divider()
show_expand_button()
show_flashcards()
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