File size: 2,637 Bytes
c4d25fb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | # app.py
"""
app.py
Streamlit application for Image-to-Story demo.
Allows demo/upload image, generates a caption, a trimmed story,
and plays back as MP3 via gTTS.
"""
import streamlit as st
from PIL import Image
import warnings
from modules import (
load_captioner, load_story_gen,
generate_caption, generate_story_simple,
generate_audio
)
warnings.filterwarnings("ignore", category=DeprecationWarning)
def reset_state():
for key in ["caption", "story", "audio_bytes", "audio_mime"]:
if key in st.session_state:
del st.session_state[key]
def main():
st.title("🖼️ → 📖 Image-to-Story App for Kids")
st.write("Upload or demo an image to get a 50–100 word story and audio!")
source = st.radio("Image source:",
("Upload my own image", "Use demo image"),
on_change=reset_state)
# Load pipelines once
if "models_loaded" not in st.session_state:
with st.spinner("Loading models…"):
st.session_state.captioner = load_captioner()
st.session_state.story_gen = load_story_gen()
st.session_state.models_loaded = True
captioner = st.session_state.captioner
story_gen = st.session_state.story_gen
# Acquire image
if source == "Use demo image":
img = Image.open("test_kids_playing.jpg").convert("RGB")
else:
uploaded = st.file_uploader("Upload an image",
type=["png", "jpg", "jpeg"])
if not uploaded:
return
img = Image.open(uploaded).convert("RGB")
st.image(img, use_container_width=True)
# Caption
if "caption" not in st.session_state:
with st.spinner("Captioning image…"):
st.session_state.caption = generate_caption(captioner, img)
st.markdown(f"**Caption:** {st.session_state.caption}")
# Story
if "story" not in st.session_state:
with st.spinner("Creating story…"):
st.session_state.story = generate_story_simple(
story_gen, st.session_state.caption, 50, 100
)
st.markdown(f"**Story:** {st.session_state.story}")
# Audio
if "audio_bytes" not in st.session_state:
with st.spinner("Generating audio…"):
audio_bytes, mime = generate_audio(st.session_state.story)
st.session_state.audio_bytes = audio_bytes
st.session_state.audio_mime = mime
if st.button("🔊 Play Story Audio"):
st.audio(data=st.session_state.audio_bytes,
format=st.session_state.audio_mime)
if __name__ == "__main__":
main()
|