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Update app.py
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app.py
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import
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@app.get("/")
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async def root():
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# Return a help message or documentation as HTML
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help_html = """
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<html>
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<head>
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<title>Hugging Face App Help</title>
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</head>
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<body>
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<h2>Welcome to the Hugging Face Forwarder App</h2>
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<p>To use this app, make a GET request to <code>/forward/?param1=YOUR_URL&otherParams=...</code></p>
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<ul>
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<li><code>param1</code> is the URL to which the other parameters will be forwarded.</li>
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<li>Include any other parameters you wish to forward in the query string.</li>
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</ul>
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<p>For example: <code>/forward/?param1=https://example.com&data=someData</code></p>
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</body>
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</html>
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"""
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return
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if not forward_url:
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return JSONResponse(
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status_code=400,
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content={"error": "param1 (forward URL) is required. Visit the main page for usage instructions."}
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)
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if not (forward_url.startswith('http://') or forward_url.startswith('https://')):
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return JSONResponse(
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status_code=400,
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content={"error": "Invalid URL. URL must start with http:// or https://"}
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)
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if query_params:
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params_as_str = "&".join([f"{key}={value}" for key, value in query_params.items()])
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forward_url_with_params = f"{forward_url}?{params_as_str}"
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else:
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forward_url_with_params = forward_url
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try:
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async with httpx.AsyncClient() as client:
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response = await client.get(forward_url_with_params)
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response.raise_for_status()
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except httpx.RequestError as e:
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return JSONResponse(status_code=500, content={"error": f"Request error: {str(e)}"})
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except httpx.HTTPStatusError as e:
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return JSONResponse(status_code=e.response.status_code, content={"error": f"Error response from forwarded URL: {str(e)}"})
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try:
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#
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import streamlit as st
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import requests
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from urllib.parse import urlencode, quote_plus
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def forward_parameters(target_url, extra_params):
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"""
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Forward parameters to the target URL and return the response.
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:param target_url: The URL to which the parameters should be forwarded.
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:param extra_params: A dictionary of additional parameters to forward.
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:return: The response from the target URL.
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"""
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try:
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# Construct the full URL with extra parameters
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full_url = f"{target_url}?{urlencode(extra_params, quote_via=quote_plus)}"
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response = requests.get(full_url) # Using GET request for simplicity
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return response.text
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except requests.exceptions.RequestException as e:
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# Return error message in case of request failure
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return f"An error occurred while forwarding parameters: {str(e)}"
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# Streamlit interface
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st.title('HTTPS Streamlit Parameters Forwarder')
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# Extracting parameters from the URL
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params = st.experimental_get_query_params()
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target_url = params.get('param1', [None])[0] # Extract the target URL
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if target_url:
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# Remove 'param1' to forward the remaining parameters
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if 'param1' in params:
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del params['param1']
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response = forward_parameters(target_url, params)
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st.text_area("Response from Target URL", value=response, height=300)
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else:
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st.error("No target URL provided.")
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st.markdown("""
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Please append `?param1=URL` to the query string in the address bar,
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replacing `URL` with your desired target URL.
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Example: `?param1=http://example.com¶m2=value`
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This will forward `param2=value` to `http://example.com`.
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""")
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