Delete withvoiceandfrontend .py
Browse files- withvoiceandfrontend .py +0 -459
withvoiceandfrontend .py
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import os
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import gc
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import torch
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import gradio as gr
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from transformers import LlamaTokenizer, LlamaForCausalLM, StoppingCriteria, StoppingCriteriaList
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# =============================
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# Configuration
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# =============================
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MODEL_PATH = r"Muhammadidrees/JayConverstionalModel"
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MAX_NEW_TOKENS = 200
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TEMPERATURE = 0.5
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TOP_K = 50
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REPETITION_PENALTY = 1.1
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# Detect device
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device = "cuda" if torch.cuda.is_available() else "cpu"
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print(f"Loading model from {MODEL_PATH} on {device}...")
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# =============================
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# Load Tokenizer and Model
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# =============================
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tokenizer = LlamaTokenizer.from_pretrained(MODEL_PATH)
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model = LlamaForCausalLM.from_pretrained(
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MODEL_PATH,
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device_map="auto",
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torch_dtype=torch.float16,
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low_cpu_mem_usage=True
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)
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generator = model.generate
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print("✅ ChatDoctor model loaded successfully!\n")
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# =============================
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# Stopping Criteria
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# =============================
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class StopOnTokens(StoppingCriteria):
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def __init__(self, stop_ids):
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self.stop_ids = stop_ids
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def __call__(self, input_ids, scores, **kwargs):
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for stop_id_seq in self.stop_ids:
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if len(stop_id_seq) == 1:
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if input_ids[0][-1] == stop_id_seq[0]:
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return True
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else:
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if len(input_ids[0]) >= len(stop_id_seq):
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if input_ids[0][-len(stop_id_seq):].tolist() == stop_id_seq:
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return True
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return False
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# =============================
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# Get Response Function
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# =============================
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def get_response(user_input, history_context):
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"""Generate response from ChatDoctor model"""
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human_invitation = "Patient: "
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doctor_invitation = "ChatDoctor: "
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# Build conversation from history
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history_text = []
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for human, assistant in history_context:
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if human:
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history_text.append(human_invitation + human)
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if assistant:
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history_text.append(doctor_invitation + assistant)
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# Add current user input
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history_text.append(human_invitation + user_input)
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# Build conversation prompt
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prompt = "\n".join(history_text) + "\n" + doctor_invitation
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input_ids = tokenizer(prompt, return_tensors="pt").input_ids.to(device)
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# Define stop words and their token IDs
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stop_words = ["Patient:", "\nPatient:", "Patient :", "\n\nPatient"]
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stop_ids = [tokenizer.encode(word, add_special_tokens=False) for word in stop_words]
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stopping_criteria = StoppingCriteriaList([StopOnTokens(stop_ids)])
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# Generate model response
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with torch.no_grad():
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output_ids = generator(
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input_ids,
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max_new_tokens=MAX_NEW_TOKENS,
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do_sample=True,
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temperature=TEMPERATURE,
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top_k=TOP_K,
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repetition_penalty=REPETITION_PENALTY,
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stopping_criteria=stopping_criteria,
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pad_token_id=tokenizer.eos_token_id,
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eos_token_id=tokenizer.eos_token_id
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)
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# Decode and clean response
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full_output = tokenizer.decode(output_ids[0], skip_special_tokens=True)
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response = full_output[len(prompt):].strip()
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# Remove any "Patient:" that might have slipped through
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for stop_word in ["Patient:", "Patient :", "\nPatient:", "\nPatient", "Patient"]:
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if stop_word in response:
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response = response.split(stop_word)[0].strip()
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break
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response = response.strip()
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# Free memory
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del input_ids, output_ids
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gc.collect()
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torch.cuda.empty_cache()
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return response
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# =============================
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# Gradio Chat Function
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# =============================
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def chat_function(message, history):
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"""Gradio chat interface function"""
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if not message.strip():
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return ""
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try:
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response = get_response(message, history)
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return response
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except Exception as e:
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return f"Error: {str(e)}"
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# =============================
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# Text-to-Speech Function
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# =============================
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def text_to_speech(text):
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"""Convert text response to speech"""
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try:
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from gtts import gTTS
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import tempfile
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if not text or text.startswith("Error:"):
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return None
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# Create speech
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tts = gTTS(text=text, lang='en', slow=False)
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# Save to temporary file
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temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.mp3')
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tts.save(temp_file.name)
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return temp_file.name
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except Exception as e:
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print(f"TTS Error: {e}")
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return None
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# =============================
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# Custom CSS
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# =============================
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custom_css = """
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#header {
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text-align: center;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: white;
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padding: 20px;
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border-radius: 10px;
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margin-bottom: 20px;
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}
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#header h1 {
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margin: 0;
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font-size: 2.5em;
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}
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#header p {
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margin: 10px 0 0 0;
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font-size: 1.1em;
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opacity: 0.9;
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}
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.disclaimer {
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background-color: #fff3cd;
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border: 1px solid #ffc107;
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border-radius: 8px;
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padding: 15px;
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margin: 20px 0;
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color: #856404;
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}
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.disclaimer h3 {
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margin-top: 0;
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color: #856404;
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}
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.voice-section {
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background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
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padding: 20px;
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border-radius: 10px;
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margin: 20px 0;
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}
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footer {
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text-align: center;
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margin-top: 30px;
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color: #666;
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font-size: 0.9em;
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}
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"""
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# =============================
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# Gradio Interface
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# =============================
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with gr.Blocks(css=custom_css, theme=gr.themes.Soft()) as demo:
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# Header
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gr.HTML("""
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<div id="header">
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<h1>🩺 ChatDoctor AI Assistant</h1>
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<p>Your AI-powered medical conversation partner with Voice Support</p>
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</div>
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""")
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# Disclaimer
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gr.HTML("""
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<div class="disclaimer">
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<h3>⚠️ Medical Disclaimer</h3>
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<p><strong>Important:</strong> This AI assistant is for informational and educational purposes only.
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It is NOT a substitute for professional medical advice, diagnosis, or treatment.
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Always seek the advice of your physician or other qualified health provider with any questions
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you may have regarding a medical condition. Never disregard professional medical advice or
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delay in seeking it because of something you have read here.</p>
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</div>
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""")
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with gr.Row():
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with gr.Column(scale=7):
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# Chatbot Interface
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chatbot = gr.Chatbot(
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height=500,
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placeholder="<div style='text-align: center; padding: 40px;'><h3>👋 Welcome to ChatDoctor!</h3><p>I'm here to discuss your health concerns. Type or speak your question!</p></div>",
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show_label=False,
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avatar_images=(None, "🤖"),
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)
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with gr.Row():
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msg = gr.Textbox(
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placeholder="Type your message here... (e.g., 'I have a headache')",
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show_label=False,
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scale=9,
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container=False
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)
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submit_btn = gr.Button("Send 📤", scale=1, variant="primary")
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with gr.Row():
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clear_btn = gr.Button("🗑️ Clear Chat", scale=1)
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retry_btn = gr.Button("🔄 Retry", scale=1)
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with gr.Column(scale=3):
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# Voice Input Section
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gr.HTML("<div class='voice-section'><h3 style='color: white; text-align: center; margin-top: 0;'>🎤 Voice Features</h3></div>")
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audio_input = gr.Audio(
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sources=["microphone"],
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type="filepath",
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label="🎙️ Speak Your Question",
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show_download_button=False
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)
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transcribed_text = gr.Textbox(
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label="📝 Transcribed Text",
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placeholder="Your speech will appear here...",
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interactive=False,
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lines=3
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)
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send_voice_btn = gr.Button("Send Voice Message 🔊", variant="primary")
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gr.Markdown("---")
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# Voice Output
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tts_enabled = gr.Checkbox(
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label="🔊 Enable Text-to-Speech for responses",
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value=True,
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info="Hear the doctor's response"
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)
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audio_output = gr.Audio(
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label="🔈 AI Response Audio",
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autoplay=False,
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visible=True
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)
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# Examples
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gr.Examples(
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examples=[
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"I have a persistent headache for 3 days. What should I do?",
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"What are the symptoms of diabetes?",
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"How can I improve my sleep quality?",
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"I have a fever and sore throat. Should I be concerned?",
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"What are some natural ways to reduce stress?",
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],
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inputs=msg,
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label="💡 Example Questions"
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)
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# Settings (collapsed by default)
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with gr.Accordion("⚙️ Advanced Settings", open=False):
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temperature_slider = gr.Slider(
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minimum=0.1,
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maximum=1.0,
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value=TEMPERATURE,
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step=0.1,
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label="Temperature (Creativity)",
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info="Higher values make responses more creative but less focused"
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)
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max_tokens_slider = gr.Slider(
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minimum=50,
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maximum=500,
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value=MAX_NEW_TOKENS,
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step=50,
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label="Max Response Length",
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info="Maximum number of tokens in response"
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)
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top_k_slider = gr.Slider(
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minimum=1,
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maximum=100,
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value=TOP_K,
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step=1,
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label="Top K",
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info="Limits vocabulary selection"
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)
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# Footer
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gr.HTML("""
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<footer>
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<p>Powered by ChatDoctor Model | Built with Gradio | Voice-Enabled 🎤</p>
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<p>Device: """ + device.upper() + """ | Model: LLaMA-based Medical AI</p>
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</footer>
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""")
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# =============================
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# Event Handlers
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# =============================
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def user_message(user_msg, history):
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return "", history + [[user_msg, None]], None
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def bot_response(history, temp, max_tok, top_k_val, tts_enabled_val):
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global TEMPERATURE, MAX_NEW_TOKENS, TOP_K
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TEMPERATURE = temp
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MAX_NEW_TOKENS = int(max_tok)
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TOP_K = int(top_k_val)
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user_msg = history[-1][0]
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bot_msg = chat_function(user_msg, history[:-1])
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history[-1][1] = bot_msg
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# Generate audio if TTS is enabled
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audio_file = None
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if tts_enabled_val and bot_msg and not bot_msg.startswith("Error:"):
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audio_file = text_to_speech(bot_msg)
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return history, audio_file
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def transcribe_audio(audio_file):
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"""Transcribe audio to text using Whisper"""
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if audio_file is None:
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return ""
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try:
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import whisper
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model = whisper.load_model("base")
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result = model.transcribe(audio_file)
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return result["text"]
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except ImportError:
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return "Error: Please install whisper: pip install openai-whisper"
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except Exception as e:
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return f"Transcription error: {str(e)}"
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def process_voice_input(audio_file, history, temp, max_tok, top_k_val, tts_enabled_val):
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"""Process voice input: transcribe -> send -> get response"""
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if audio_file is None:
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return history, "", None, None
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# Transcribe
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transcribed = transcribe_audio(audio_file)
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if transcribed.startswith("Error:"):
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return history, transcribed, None, None
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# Add to chat
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history = history + [[transcribed, None]]
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# Get response
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global TEMPERATURE, MAX_NEW_TOKENS, TOP_K
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TEMPERATURE = temp
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MAX_NEW_TOKENS = int(max_tok)
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TOP_K = int(top_k_val)
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bot_msg = chat_function(transcribed, history[:-1])
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history[-1][1] = bot_msg
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# Generate audio if TTS is enabled
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audio_file = None
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if tts_enabled_val and bot_msg and not bot_msg.startswith("Error:"):
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audio_file = text_to_speech(bot_msg)
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return history, transcribed, None, audio_file
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# Text input events
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msg.submit(
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user_message,
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[msg, chatbot],
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[msg, chatbot, audio_output],
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queue=False
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).then(
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bot_response,
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| 411 |
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[chatbot, temperature_slider, max_tokens_slider, top_k_slider, tts_enabled],
|
| 412 |
-
[chatbot, audio_output]
|
| 413 |
-
)
|
| 414 |
-
|
| 415 |
-
submit_btn.click(
|
| 416 |
-
user_message,
|
| 417 |
-
[msg, chatbot],
|
| 418 |
-
[msg, chatbot, audio_output],
|
| 419 |
-
queue=False
|
| 420 |
-
).then(
|
| 421 |
-
bot_response,
|
| 422 |
-
[chatbot, temperature_slider, max_tokens_slider, top_k_slider, tts_enabled],
|
| 423 |
-
[chatbot, audio_output]
|
| 424 |
-
)
|
| 425 |
-
|
| 426 |
-
# Voice input events
|
| 427 |
-
audio_input.change(
|
| 428 |
-
transcribe_audio,
|
| 429 |
-
[audio_input],
|
| 430 |
-
[transcribed_text]
|
| 431 |
-
)
|
| 432 |
-
|
| 433 |
-
send_voice_btn.click(
|
| 434 |
-
process_voice_input,
|
| 435 |
-
[audio_input, chatbot, temperature_slider, max_tokens_slider, top_k_slider, tts_enabled],
|
| 436 |
-
[chatbot, transcribed_text, audio_input, audio_output]
|
| 437 |
-
)
|
| 438 |
-
|
| 439 |
-
# Clear and retry
|
| 440 |
-
clear_btn.click(lambda: (None, None, None), None, [chatbot, audio_output, transcribed_text], queue=False)
|
| 441 |
-
|
| 442 |
-
retry_btn.click(lambda: None, None, chatbot, queue=False)
|
| 443 |
-
|
| 444 |
-
# =============================
|
| 445 |
-
# Launch Interface
|
| 446 |
-
# =============================
|
| 447 |
-
if __name__ == "__main__":
|
| 448 |
-
print("\n🚀 Launching ChatDoctor Gradio Interface with Voice Support...")
|
| 449 |
-
print("\n📦 Required packages:")
|
| 450 |
-
print(" pip install gradio gTTS openai-whisper")
|
| 451 |
-
print("\nNote: Whisper will download models on first use (~100MB for base model)\n")
|
| 452 |
-
|
| 453 |
-
demo.queue()
|
| 454 |
-
demo.launch(
|
| 455 |
-
server_name="0.0.0.0",
|
| 456 |
-
server_port=7860,
|
| 457 |
-
share=False,
|
| 458 |
-
show_error=True
|
| 459 |
-
)
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