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add embedded web interface HTML (single-file version with inline CSS/JS/SVG)

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### Added
- `get_inline_ui_html()`: generates a self-contained version of the web interface, with CSS, JS, and SVG assets inlined directly into the HTML. useful for environments where serving static files is inconvenient or when a single-call UI delivery is preferred.

(cherry picked from commit aa44a92a67)
This commit is contained in:
Quentin Fuxa
2025-08-29 21:58:51 +02:00
parent 4a5d5e1f3b
commit 1ba171a58d
3 changed files with 68 additions and 5 deletions
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3
whisperlivekit/__init__.py
View File

@@ -1,12 +1,13 @@
from .audio_processor import AudioProcessor
from .core import TranscriptionEngine
from .parse_args import parse_args
from .web.web_interface import get_web_interface_html
from .web.web_interface import get_web_interface_html, get_inline_ui_html
__all__ = [
"TranscriptionEngine",
"AudioProcessor",
"parse_args",
"get_web_interface_html",
"get_inline_ui_html",
"download_simulstreaming_backend",
]

4
whisperlivekit/basic_server.py
View File

@@ -2,7 +2,7 @@ from contextlib import asynccontextmanager
from fastapi import FastAPI, WebSocket, WebSocketDisconnect
from fastapi.responses import HTMLResponse
from fastapi.middleware.cors import CORSMiddleware
from whisperlivekit import TranscriptionEngine, AudioProcessor, get_web_interface_html, parse_args
from whisperlivekit import TranscriptionEngine, AudioProcessor, get_inline_ui_html, parse_args
import asyncio
import logging
from starlette.staticfiles import StaticFiles
@@ -38,7 +38,7 @@ app.mount("/web", StaticFiles(directory=str(web_dir)), name="web")
@app.get("/")
async def get():
return HTMLResponse(get_web_interface_html())
return HTMLResponse(get_inline_ui_html())
async def handle_websocket_results(websocket, results_generator):

66
whisperlivekit/web/web_interface.py
View File

@@ -1,5 +1,6 @@
import logging
import importlib.resources as resources
import base64
logger = logging.getLogger(__name__)
@@ -12,6 +13,67 @@ def get_web_interface_html():
logger.error(f"Error loading web interface HTML: {e}")
return "<html><body><h1>Error loading interface</h1></body></html>"
def get_inline_ui_html():
"""Returns the complete web interface HTML with all assets embedded in a single call."""
try:
# Load HTML template
with resources.files('whisperlivekit.web').joinpath('live_transcription.html').open('r', encoding='utf-8') as f:
html_content = f.read()
# Load CSS and embed it
with resources.files('whisperlivekit.web').joinpath('live_transcription.css').open('r', encoding='utf-8') as f:
css_content = f.read()
# Load JS and embed it
with resources.files('whisperlivekit.web').joinpath('live_transcription.js').open('r', encoding='utf-8') as f:
js_content = f.read()
# Load SVG files and convert to data URIs
with resources.files('whisperlivekit.web').joinpath('src', 'system_mode.svg').open('r', encoding='utf-8') as f:
system_svg = f.read()
system_data_uri = f"data:image/svg+xml;base64,{base64.b64encode(system_svg.encode('utf-8')).decode('utf-8')}"
with resources.files('whisperlivekit.web').joinpath('src', 'light_mode.svg').open('r', encoding='utf-8') as f:
light_svg = f.read()
light_data_uri = f"data:image/svg+xml;base64,{base64.b64encode(light_svg.encode('utf-8')).decode('utf-8')}"
with resources.files('whisperlivekit.web').joinpath('src', 'dark_mode.svg').open('r', encoding='utf-8') as f:
dark_svg = f.read()
dark_data_uri = f"data:image/svg+xml;base64,{base64.b64encode(dark_svg.encode('utf-8')).decode('utf-8')}"
# Replace external references with embedded content
html_content = html_content.replace(
'<link rel="stylesheet" href="/web/live_transcription.css" />',
f'<style>\n{css_content}\n</style>'
)
html_content = html_content.replace(
'<script src="/web/live_transcription.js"></script>',
f'<script>\n{js_content}\n</script>'
)
# Replace SVG references with data URIs
html_content = html_content.replace(
'<img src="/web/src/system_mode.svg" alt="" />',
f'<img src="{system_data_uri}" alt="" />'
)
html_content = html_content.replace(
'<img src="/web/src/light_mode.svg" alt="" />',
f'<img src="{light_data_uri}" alt="" />'
)
html_content = html_content.replace(
'<img src="/web/src/dark_mode.svg" alt="" />',
f'<img src="{dark_data_uri}" alt="" />'
)
return html_content
except Exception as e:
logger.error(f"Error creating embedded web interface: {e}")
return "<html><body><h1>Error loading embedded interface</h1></body></html>"
if __name__ == '__main__':
@@ -28,6 +90,6 @@ if __name__ == '__main__':
@app.get("/")
async def get():
return HTMLResponse(get_web_interface_html())
return HTMLResponse(get_inline_ui_html())
uvicorn.run(app=app)
uvicorn.run(app=app)