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Conformer1-Demo
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import gradio as gr
import os 

from helpers import make_header, upload_file, request_transcript, wait_for_completion, make_paragraphs_string


title = """<h1 align="center">🔥AssemblyAI: Conformer-1 Demo🔥</h1>"""

subtitle = """<h2 align="center">Automatic Speech Recognition using the AssemblyAI API</h2>"""
link = """<p align="center"><a href="https://www.assemblyai.com/blog/conformer-1/">Click here to learn more about the Conformer-1 model</a></p>"""


def submit_to_AAI(api_key,
                  radio,
                  audio_file,
                  mic_recording):

    if radio == "Audio File":
        audio_data = audio_file
    elif radio == "Record Audio":
        audio_data = mic_recording
        
    header = make_header(api_key)
        
    # 1. Upload the audio
    upload_url = upload_file(audio_data, header, is_file=False)

    # 2. Request transcript
    transcript_response = request_transcript(upload_url, header)
    
    transcript_id = transcript_response['id']
    
    # 3. Wait for the transcription to complete
    _, error = wait_for_completion(transcript_id, header)
    
    if error is not None:
        return error

    # 4. Fetch paragraphs of transcript    
    return make_paragraphs_string(transcript_id, header)


def change_audio_source(radio):
    if radio == "Audio File":
        return [gr.Audio.update(visible=True),
                gr.Audio.update(visible=False)]
    elif radio == "Record Audio":
        return [gr.Audio.update(visible=False),
                gr.Audio.update(visible=True)]
                
with gr.Blocks(css = """#col_container {width: 1000px; margin-left: auto; margin-right: auto;}
                #chatbot {height: 520px; overflow: auto;}""") as demo:
    gr.HTML('<center><a href="https://www.assemblyai.com/"><img src="file/images/logo.png" width="180px"></a></center>')
    gr.HTML(title)
    gr.HTML(subtitle)
    gr.HTML(link)
    gr.HTML('''<center><a href="https://huggingface.co/spaces/assemblyai/Conformer1-Demo?duplicate=true"><img src="https://bit.ly/3gLdBN6" alt="Duplicate Space"></a>Duplicate the Space and run securely with your AssemblyAI API Key</center>''')
       
    with gr.Column(elem_id="col_container"):
        api_key = gr.Textbox(type='password', label="Enter your AssemblyAI API key here")
        
        with gr.Box():
            # Selector for audio source
            radio = gr.Radio(["Audio File", "Record Audio"], label="Audio Source", value="Audio File")    
            # Audio object for both file and microphone data
            audio_file = gr.Audio()
            mic_recording = gr.Audio(source="microphone", visible=False)
        
            gr.Examples([os.path.join(os.path.dirname(__file__),"audio/audio.mp3")], audio_file)
        
        btn = gr.Button("Run")
        
        out = gr.Textbox(placeholder="Your formatted transcript will appear here ...", lines=10)
        
        # Changing audio source changes Audio input component
        radio.change(fn=change_audio_source,
                    inputs=[radio],
                    outputs=[audio_file, mic_recording])
            
        # Clicking "submit" uploads selected audio to AssemblyAI, performs requested analyses, and displays results
        btn.click(fn=submit_to_AAI,
                inputs=[api_key,radio,audio_file,mic_recording],
                outputs=out)

    demo.launch(debug=True)