import{s as Wt,f as st,n as Rt,o as St}from"../chunks/scheduler.37c15a92.js";import{S as Qt,i as Xt,g as o,s,r as d,A as Yt,h as i,f as l,c as n,j as ue,u as h,x as r,k as p,y as Vt,a,v as y,d as M,t as w,w as f}from"../chunks/index.2bf4358c.js";import{C as nt}from"../chunks/CodeBlock.4f5fc1ad.js";import{C as Nt}from"../chunks/CourseFloatingBanner.15ba07e6.js";import{H as ie,E as Pt}from"../chunks/EditOnGithub.8916dc7c.js";function zt(ot){let T,ce,re,me,b,de,J,he,j,it=`In this section, we will take a closer look at the <code>Interface</code> class, and understand the
main parameters used to create one.`,ye,U,Me,g,rt="You’ll notice that the <code>Interface</code> class has 3 required parameters:",we,v,pt="<code>Interface(fn, inputs, outputs, ...)</code>",fe,I,ut="These parameters are:",Te,C,ct="<li><code>fn</code>: the prediction function that is wrapped by the Gradio interface. This function can take one or more parameters and return one or more values</li> <li><code>inputs</code>: the input component type(s). Gradio provides many pre-built components such as<code>&quot;image&quot;</code> or <code>&quot;mic&quot;</code>.</li> <li><code>outputs</code>: the output component type(s). Again, Gradio provides many pre-built components e.g. <code>&quot;image&quot;</code> or <code>&quot;label&quot;</code>.</li>",be,k,mt='For a complete list of components, <a href="https://gradio.app/docs" rel="nofollow">see the Gradio docs </a>. Each pre-built component can be customized by instantiating the class corresponding to the component.',Je,x,dt=`For example, as we saw in the <a href="/course/chapter9/2">previous section</a>,
instead of passing in <code>&quot;textbox&quot;</code> to the <code>inputs</code> parameter, you can pass in a <code>Textbox(lines=7, label=&quot;Prompt&quot;)</code> component to create a textbox with 7 lines and a label.`,je,$,ht="Let’s take a look at another example, this time with an <code>Audio</code> component.",Ue,q,ge,_,yt=`As mentioned earlier, Gradio provides many different inputs and outputs.
So let’s build an <code>Interface</code> that works with audio.`,ve,A,Mt=`In this example, we’ll build an audio-to-audio function that takes an
audio file and simply reverses it.`,Ie,H,wt=`We will use for the input the <code>Audio</code> component. When using the <code>Audio</code> component,
you can specify whether you want the <code>source</code> of the audio to be a file that the user
uploads or a microphone that the user records their voice with. In this case, let’s
set it to a <code>&quot;microphone&quot;</code>. Just for fun, we’ll add a label to our <code>Audio</code> that says
“Speak here…“.`,Ce,B,ft=`In addition, we’d like to receive the audio as a numpy array so that we can easily
“reverse” it. So we’ll set the <code>&quot;type&quot;</code> to be <code>&quot;numpy&quot;</code>, which passes the input
data as a tuple of (<code>sample_rate</code>, <code>data</code>) into our function.`,ke,G,Tt=`We will also use the <code>Audio</code> output component which can automatically
render a tuple with a sample rate and numpy array of data as a playable audio file.
In this case, we do not need to do any customization, so we will use the string
shortcut <code>&quot;audio&quot;</code>.`,xe,Z,$e,L,bt=`The code above will produce an interface like the one below (if your browser doesn’t
ask you for microphone permissions, <a href="https://huggingface.co/spaces/course-demos/audio-reverse" target="_blank">open the demo in  a separate tab</a>.)`,qe,u,Jt,_e,E,jt="You should now be able to record your voice and hear yourself speaking in reverse - spooky 👻!",Ae,W,He,R,Ut=`Let’s say we had a more complicated function, with multiple inputs and outputs.
In the example below, we have a function that takes a dropdown index, a slider value, and number,
and returns an audio sample of a musical tone.`,Be,S,gt=`Take a look how we pass a list of input and output components,
and see if you can follow along what’s happening.`,Ge,Q,vt="The key here is that when you pass:",Ze,X,It="<li>a list of input components, each component corresponds to a parameter in order.</li> <li>a list of output coponents, each component corresponds to a returned value.</li>",Le,Y,Ct="The code snippet below shows how three input components line up with the three arguments of the <code>generate_tone()</code> function:",Ee,V,We,c,kt,Re,N,Se,P,xt=`So far, we have used the <code>launch()</code> method to launch the interface, but we
haven’t really discussed what it does.`,Qe,z,$t=`By default, the <code>launch()</code> method will launch the demo in a web server that
is running locally. If you are running your code in a Jupyter or Colab notebook, then
Gradio will embed the demo GUI in the notebook so you can easily use it.`,Xe,F,qt="You can customize the behavior of <code>launch()</code> through different parameters:",Ye,K,_t="<li><code>inline</code> - whether to display the interface inline on Python notebooks.</li> <li><code>inbrowser</code> - whether to automatically launch the interface in a new tab on the default browser.</li> <li><code>share</code> - whether to create a publicly shareable link from your computer for the interface. Kind of like a Google Drive link!</li>",Ve,D,At="We’ll cover the <code>share</code> parameter in a lot more detail in the next section!",Ne,O,Pe,ee,Ht=`Let’s build an interface that allows you to demo a <strong>speech-recognition</strong> model.
To make it interesting, we will accept <em>either</em> a mic input or an uploaded file.`,ze,te,Bt=`As usual, we’ll load our speech recognition model using the <code>pipeline()</code> function from 🤗 Transformers.
If you need a quick refresher, you can go back to <a href="/course/chapter1/3">that section in Chapter 1</a>.   Next, we’ll implement a <code>transcribe_audio()</code> function that processes the audio and returns the transcription. Finally, we’ll wrap this function in an <code>Interface</code> with the <code>Audio</code> components for the inputs and just text for the output. Altogether, the code for this application is the following:`,Fe,le,Ke,ae,Gt='If your browser doesn’t ask you for microphone permissions, <a href="https://huggingface.co/spaces/course-demos/audio-reverse" target="_blank">open the demo in a separate tab</a>.',De,m,Zt,Oe,se,Lt=`That’s it! You can now use this interface to transcribe audio. Notice here that
by passing in the <code>optional</code> parameter as <code>True</code>, we allow the user to either
provide a microphone or an audio file (or neither, but that will return an error message).`,et,ne,Et="Keep going to see how to share your interface with others!",tt,oe,lt,pe,at;return b=new ie({props:{title:"Understanding the Interface class",local:"understanding-the-interface-class",headingTag:"h1"}}),J=new Nt({props:{chapter:9,classNames:"absolute z-10 right-0 top-0",notebooks:[{label:"Google Colab",value:"https://colab.research.google.com/github/huggingface/notebooks/blob/master/course/en/chapter9/section3.ipynb"},{label:"Aws Studio",value:"https://studiolab.sagemaker.aws/import/github/huggingface/notebooks/blob/master/course/en/chapter9/section3.ipynb"}]}}),U=new ie({props:{title:"How to create an Interface",local:"how-to-create-an-interface",headingTag:"h2"}}),q=new ie({props:{title:"A simple example with audio",local:"a-simple-example-with-audio",headingTag:"h2"}}),Z=new nt({props:{code:"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",highlighted:`<span class="hljs-keyword">import</span> numpy <span class="hljs-keyword">as</span> np
<span class="hljs-keyword">import</span> gradio <span class="hljs-keyword">as</span> gr


<span class="hljs-keyword">def</span> <span class="hljs-title function_">reverse_audio</span>(<span class="hljs-params">audio</span>):
    sr, data = audio
    reversed_audio = (sr, np.flipud(data))
    <span class="hljs-keyword">return</span> reversed_audio


mic = gr.Audio(source=<span class="hljs-string">&quot;microphone&quot;</span>, <span class="hljs-built_in">type</span>=<span class="hljs-string">&quot;numpy&quot;</span>, label=<span class="hljs-string">&quot;Speak here...&quot;</span>)
gr.Interface(reverse_audio, mic, <span class="hljs-string">&quot;audio&quot;</span>).launch()`,wrap:!1}}),W=new ie({props:{title:"Handling multiple inputs and outputs",local:"handling-multiple-inputs-and-outputs",headingTag:"h2"}}),V=new nt({props:{code:"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",highlighted:`<span class="hljs-keyword">import</span> numpy <span class="hljs-keyword">as</span> np
<span class="hljs-keyword">import</span> gradio <span class="hljs-keyword">as</span> gr

notes = [<span class="hljs-string">&quot;C&quot;</span>, <span class="hljs-string">&quot;C#&quot;</span>, <span class="hljs-string">&quot;D&quot;</span>, <span class="hljs-string">&quot;D#&quot;</span>, <span class="hljs-string">&quot;E&quot;</span>, <span class="hljs-string">&quot;F&quot;</span>, <span class="hljs-string">&quot;F#&quot;</span>, <span class="hljs-string">&quot;G&quot;</span>, <span class="hljs-string">&quot;G#&quot;</span>, <span class="hljs-string">&quot;A&quot;</span>, <span class="hljs-string">&quot;A#&quot;</span>, <span class="hljs-string">&quot;B&quot;</span>]


<span class="hljs-keyword">def</span> <span class="hljs-title function_">generate_tone</span>(<span class="hljs-params">note, octave, duration</span>):
    sr = <span class="hljs-number">48000</span>
    a4_freq, tones_from_a4 = <span class="hljs-number">440</span>, <span class="hljs-number">12</span> * (octave - <span class="hljs-number">4</span>) + (note - <span class="hljs-number">9</span>)
    frequency = a4_freq * <span class="hljs-number">2</span> ** (tones_from_a4 / <span class="hljs-number">12</span>)
    duration = <span class="hljs-built_in">int</span>(duration)
    audio = np.linspace(<span class="hljs-number">0</span>, duration, duration * sr)
    audio = (<span class="hljs-number">20000</span> * np.sin(audio * (<span class="hljs-number">2</span> * np.pi * frequency))).astype(np.int16)
    <span class="hljs-keyword">return</span> (sr, audio)


gr.Interface(
    generate_tone,
    [
        gr.Dropdown(notes, <span class="hljs-built_in">type</span>=<span class="hljs-string">&quot;index&quot;</span>),
        gr.Slider(minimum=<span class="hljs-number">4</span>, maximum=<span class="hljs-number">6</span>, step=<span class="hljs-number">1</span>),
        gr.Number(value=<span class="hljs-number">1</span>, label=<span class="hljs-string">&quot;Duration in seconds&quot;</span>),
    ],
    <span class="hljs-string">&quot;audio&quot;</span>,
).launch()`,wrap:!1}}),N=new ie({props:{title:"The launch() method",local:"the-launch-method",headingTag:"h3"}}),O=new ie({props:{title:"✏️ Let’s apply it!",local:"lets-apply-it",headingTag:"h2"}}),le=new nt({props:{code:"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",highlighted:`<span class="hljs-keyword">from</span> transformers <span class="hljs-keyword">import</span> pipeline
<span class="hljs-keyword">import</span> gradio <span class="hljs-keyword">as</span> gr

model = pipeline(<span class="hljs-string">&quot;automatic-speech-recognition&quot;</span>)


<span class="hljs-keyword">def</span> <span class="hljs-title function_">transcribe_audio</span>(<span class="hljs-params">audio</span>):
    transcription = model(audio)[<span class="hljs-string">&quot;text&quot;</span>]
    <span class="hljs-keyword">return</span> transcription


gr.Interface(
    fn=transcribe_audio,
    inputs=gr.Audio(<span class="hljs-built_in">type</span>=<span class="hljs-string">&quot;filepath&quot;</span>),
    outputs=<span class="hljs-string">&quot;text&quot;</span>,
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