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Update app.py
d0473d1
import gradio as gr
import whisper
from pytube import YouTube
class GradioInference():
def __init__(self):
self.sizes = list(whisper._MODELS.keys())
self.langs = ["none"] + sorted(list(whisper.tokenizer.LANGUAGES.values()))
self.current_size = "base"
self.loaded_model = whisper.load_model(self.current_size)
self.yt = None
def __call__(self, link, lang, size, subs):
if self.yt is None:
self.yt = YouTube(link)
path = self.yt.streams.filter(only_audio=True)[0].download(filename="tmp.mp4")
if lang == "none":
lang = None
if size != self.current_size:
self.loaded_model = whisper.load_model(size)
self.current_size = size
results = self.loaded_model.transcribe(path, language=lang)
if subs == "None":
return results["text"]
elif subs == ".srt":
return self.srt(results["segments"])
elif ".csv" == ".csv":
return self.csv(results["segments"])
def srt(self, segments):
output = ""
for i, segment in enumerate(segments):
output += f"{i+1}\n"
output += f"{self.format_time(segment['start'])} --> {self.format_time(segment['end'])}\n"
output += f"{segment['text']}\n\n"
return output
def csv(self, segments):
output = ""
for segment in segments:
output += f"{segment['start']},{segment['end']},{segment['text']}\n"
return output
def format_time(self, time):
hours = time//3600
minutes = (time - hours*3600)//60
seconds = time - hours*3600 - minutes*60
milliseconds = (time - int(time))*1000
return f"{int(hours):02d}:{int(minutes):02d}:{int(seconds):02d},{int(milliseconds):03d}"
def populate_metadata(self, link):
self.yt = YouTube(link)
return self.yt.thumbnail_url, self.yt.title
gio = GradioInference()
title="Trascrizione Audio da Youtube"
description="Trascrivi l'audio in maniera accurata da video Youtube. Inserisci il tuo video (consigliato <10 min) ed il sistema genererà la trascrizione per te"
block = gr.Blocks(css=".gradio-container {background-color: #F5F5F5;} .gradio-input {border: 2px solid #333;} .gradio-output {border: 2px solid #333;}")
with block:
with gr.Group():
with gr.Box():
with gr.Row().style(equal_height=True):
sz = gr.Dropdown(label="Modello di trascrizione (consigliato large v2)", choices=gio.sizes, value='base')
lang = gr.Dropdown(label="Lingua (opzionale)", choices=gio.langs, value="none")
with gr.Row().style(equal_height=True):
wt = gr.Radio(["None", ".srt", ".csv"], label="Con Timestamps?")
link = gr.Textbox(label="YouTube Link")
title = gr.Label(label="Titolo Video")
with gr.Row().style(equal_height=True):
img = gr.Image(label="Thumbnail")
text = gr.Textbox(label="Trascrizione", placeholder="Trascrizione Output", lines=10)
with gr.Row().style(equal_height=True):
btn = gr.Button("Trascrivi")
btn.click(gio, inputs=[link, lang, sz, wt], outputs=[text])
link.change(gio.populate_metadata, inputs=[link], outputs=[img, title])
block.launch()