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Update app.py
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app.py
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flask
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from flask import Flask, render_template
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import gradio as gr
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import os
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app = Flask(__name__)
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# Gradio sketch interface
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def sketch_interface():
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# Simple sketching demo
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sketch = gr.Interface(
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lambda x: x, # Echo back the sketch
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gr.Sketchpad(),
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gr.Image(),
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live=True,
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title="Sketch Pad Demo"
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)
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return sketch
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# HTML template with Twitter Card metadata
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html_template = """
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<!-- Twitter Card metadata -->
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<meta name="twitter:card" content="player">
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<meta name="twitter:site" content="@broadfield-dev">
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<meta name="twitter:title" content="Sketch Pad Demo">
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<meta name="twitter:description" content="Interactive sketching application">
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<meta name="twitter:image" content="https://your-domain.com/preview-image.jpg">
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<meta name="twitter:player" content="{{ iframe_url }}">
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<meta name="twitter:player:width" content="480">
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<meta name="twitter:player:height" content="480">
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<meta name="twitter:player:stream" content="https://your-domain.com/stream">
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<meta name="twitter:player:stream:content_type" content="video/mp4">
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<title>Sketch Pad Demo</title>
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</head>
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<body>
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<div id="gradio-container">
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{{ gradio_content | safe }}
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</div>
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</body>
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</html>
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"""
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@app.route('/')
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def home():
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# Launch Gradio interface
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demo = sketch_interface()
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# Get the Gradio app's iframe URL when running on Hugging Face Spaces
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# For local testing, you might need to adjust this
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iframe_url = os.environ.get("SYSTEM_URL", "http://localhost:5000/gradio")
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# Launch Gradio and get its HTML content
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gradio_app = demo.launch(prevent_thread_lock=True, show_error=True)
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# For Hugging Face Spaces, we need to get the correct URL
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gradio_content = f'<iframe src="{iframe_url}" width="100%" height="500px"></iframe>'
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return render_template_string(
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html_template,
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iframe_url=iframe_url,
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gradio_content=gradio_content
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)
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# Route for Gradio to work within Flask
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@app.route('/gradio/<path:path>')
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def gradio_proxy(path):
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demo = sketch_interface()
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return demo.app.handle_request(request)
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@app.route('/stream')
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def stream():
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# This is a placeholder for the stream endpoint
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# You would need to implement actual streaming logic here
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return "Streaming endpoint placeholder"
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if __name__ == '__main__':
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# Install required packages
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os.system("pip install --upgrade gradio flask")
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# For Hugging Face Spaces, port 7860 is typically used
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port = int(os.environ.get("PORT", 7860))
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app.run(host='0.0.0.0', port=port, debug=True)
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