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# streamlit_ui.py
import streamlit as st
import requests
import base64
from PIL import Image
import io
import os
import tempfile
st.set_page_config(
page_title="Prompta - Text to Media Generator",
page_icon="🎙️",
layout="wide",
initial_sidebar_state="expanded"
)
st.title("🎙️🖼️🎞️ Prompta - Text to Media Generator")
# 🛠️ Get Token FIRST
TOKEN = st.sidebar.text_input("🔑 API Token", type="password")
HEADERS = {"Authorization": f"Bearer {TOKEN}"} if TOKEN else {}
# ✅ Display AFTER token is typed
if TOKEN:
st.sidebar.write("Using token:", TOKEN)
st.sidebar.write("Sending headers:", HEADERS)
else:
st.sidebar.warning("⚠️ Please enter a valid API token to use the app.")
API_BASE = "http://localhost:8000"
#API_BASE = "https://2255d6a4793d.ngrok-free.app"
def render_media(file_bytes, media_type, caption):
b64 = base64.b64encode(file_bytes).decode()
if media_type == "audio":
st.audio(f"data:audio/wav;base64,{b64}", format="audio/wav")
elif media_type == "video":
st.video(f"data:video/mp4;base64,{b64}")
elif media_type == "image":
try:
# Validate if it's a valid image
img = Image.open(io.BytesIO(file_bytes))
st.image(img, caption=caption)
except Exception as e:
st.warning("⚠️ Cannot render image. It may be corrupt or empty.")
st.code(str(e))
# Sidebar inputs
st.sidebar.header("🛠️ Settings")
#TOKEN = st.sidebar.text_input("🔑 API Token", type="password")
#HEADERS = {"Authorization": f"Bearer {TOKEN}"} if TOKEN else {}
voice = st.selectbox("Choose voice", ["en", "hi", "te", "ta"])
voice_map = {
"en": "en-US",
"hi": "hi-IN",
"te": "te-IN",
"ta": "ta-IN"
}
tab = st.sidebar.radio("Select Task", ["Text to Audio", "Text to Image", "Text to Video"])
if tab == "Text to Audio":
st.subheader("🎤 Text to Audio")
text = st.text_area("Enter text")
voice = st.selectbox("Choose language", ["English", "Hindi", "Telugu", "Tamil"])
voice_map = {
"English": ("en-US", "en"),
"Hindi": ("hi-IN", "hi"),
"Telugu": ("te-IN", "te"),
"Tamil": ("ta-IN", "ta")
}
voice_code, lang_code = voice_map[voice]
if st.button("🔊 Generate Audio"):
with st.spinner("Generating audio..."):
r = requests.post(
f"{API_BASE}/api/v1/audio/generate",
json={
"text": text,
"voice": voice_code,
"language": lang_code
},
headers=HEADERS
)
if r.status_code == 200:
try:
data = r.json()
st.code(data, language="json") # Debug: show full JSON response in UI
if "download_url" in data:
download_url = f"{API_BASE}{data['download_url']}"
audio_resp = requests.get(download_url, headers=HEADERS)
if audio_resp.status_code == 200:
render_media(audio_resp.content, "audio", "Generated Audio")
else:
st.error("❌ Failed to download audio file.")
else:
st.error("❌ `download_url` not found in API response.")
st.code(data)
except Exception as e:
st.error("❌ Failed to parse API response.")
st.code(r.text)
st.exception(e)
else:
st.error(f"❌ Failed: {r.json().get('detail')}")
elif tab == "Text to Image":
st.subheader("🖼️ Text to Image")
prompt = st.text_area("Enter image prompt")
style = st.selectbox("Choose Style", ["sdxl", "deepfloyd", "kandinsky"])
if st.button("🧠 Generate Image"):
with st.spinner("Generating image..."):
r = requests.post(
f"{API_BASE}/api/v1/image/generate",
json={"prompt": prompt, "style": style}, # ✅ correct key
headers=HEADERS
)
if r.status_code == 200:
try:
res_json = r.json()
download_url = res_json.get("download_url")
if not download_url:
st.error("No download URL returned.")
else:
download_full_url = f"{API_BASE}{download_url}"
image_response = requests.get(download_full_url, headers={"accept": "image/png"}, allow_redirects=True)
if image_response.status_code != 200:
st.error("❌ Failed to download image.")
st.code(image_response.text)
st.write("Status:", image_response.status_code)
st.write("Headers:", image_response.headers)
st.write(image_response.status_code, image_response.headers)
render_media(image_response.content, "image", "Generated Image")
except Exception as e:
st.error(f"⚠️ Failed to fetch/display image: {str(e)}")
st.code(r.text)
else:
try:
detail = r.json().get("detail")
except Exception:
detail = r.text # fallback to raw response text (may be empty or HTML)
st.error(f"❌ Failed: {detail}")
elif tab == "Text to Video":
st.subheader("🎞️ Text to Video")
prompt = st.text_area("Enter video prompt")
tone = st.selectbox("Tone", ["formal", "casual", "emotional", "documentary"])
domain = st.selectbox("Domain", ["health", "education", "governance", "entertainment"])
environment = st.selectbox("Environment", ["urban", "rural", "nature", "futuristic"])
transcript = st.text_area("Transcript (optional - for subtitles)", height=100)
enhance = st.checkbox("✨ Add Subtitles and Background Music")
if st.button("🎬 Generate Video"):
with st.spinner("Generating video..."):
r = requests.post(
f"{API_BASE}/api/v1/video/generate",
json={"prompt": prompt, "tone": tone, "domain": domain, "environment": environment},
headers=HEADERS
)
if r.status_code == 200:
try:
data = r.json()
st.code(data, language="json")
download_url = data.get("download_url")
if not download_url:
st.error("⚠️ No download URL received.")
else:
full_video_url = f"{API_BASE}{download_url}"
video_response = requests.get(full_video_url, headers=HEADERS)
if video_response.status_code == 200:
video_bytes = video_response.content
st.write("📦 Video size (bytes):", len(video_bytes))
if enhance and transcript:
with tempfile.NamedTemporaryFile(delete=False, suffix=".mp4") as tmp_vid:
tmp_vid.write(video_bytes)
tmp_vid_path = tmp_vid.name
srt_path = generate_srt_from_text(transcript, output_path="streamlit_subs.srt")
enhanced_path = "streamlit_final_video.mp4"
enhance_video_with_subtitles_and_bgm(
video_path=tmp_vid_path,
srt_path=srt_path,
bgm_path="default_bgm.mp3",
output_path=enhanced_path
)
with open(enhanced_path, "rb") as f:
render_media(f.read(), "video", "Enhanced Video")
else:
st.video(video_bytes)
else:
st.error("❌ Failed to download video.")
except Exception as e:
st.error("❌ Error parsing response or rendering video.")
st.code(r.text)
st.exception(e)
else:
try:
st.error(f"❌ Failed: {r.json().get('detail')}")
except:
st.error(f"❌ Failed: {r.text}")
st.sidebar.markdown("---")
st.sidebar.info("Built with ❤️ for AI GovTech Challenge 2025")
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