File size: 2,733 Bytes
ebee301
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
import gradio as gr
from language_directions import *
from transformers import pipeline

source_lang_dict = get_all_source_languages()
target_lang_dict = {}
source_languages = source_lang_dict.keys()

def source_dropdown_changed(source_dropdown, input_text=""):
    global target_lang_dict
    target_lang_dict = get_target_languages(source_lang_dict[source_dropdown], input_text)
    target_languages = target_lang_dict.keys()
    default_target_value = None
    if "English" in target_languages or "english" in target_languages:
        default_target_value = "English"
    else:
        default_target_value = target_languages[0]
    target_dropdown = gr.Dropdown(choices=target_languages, 
                                  value=default_target_value,
                                  label="Target Language")
    return target_dropdown

def translate(input_text, source, target):
    if source == "Auto Detect":
      source, _ = auto_detect_language_code(input_text)
    target_lang_dict = get_target_languages(source)
    target = target_lang_dict[target]
    model = f"Helsinki-NLP/opus-mt-{source}-{target}"
    pipe = pipeline("translation", model=model)
    translation = pipe(input_text)
    return translation[0]['translation_text']


with gr.Blocks() as demo:
    gr.HTML("""<html>
  <head>
    <style>
      h1 {
        text-align: center;
      }
    </style>
  </head>
  <body>
    <h1>Open Translate</h1>
  </body>
</html>""")
    with gr.Row():
        with gr.Column():
            source_language_dropdown = gr.Dropdown(choices=source_languages,
                                                   value="Auto Detect",
                                                  label="Source Language")
            input_textbox = gr.Textbox(lines=5, placeholder="Enter text to translate", label="Input Text")
        with gr.Column():
            target_language_dropdown = gr.Dropdown(choices=["English", "French", "Spanish"],
                                                   value="English",
                                                   label="Target Language")
            translated_textbox = gr.Textbox(lines=5, placeholder="", label="Translated Text")
    btn = gr.Button("Translate")
    source_language_dropdown.change(source_dropdown_changed, inputs=source_language_dropdown, outputs=target_language_dropdown)
    btn.click(translate, inputs=[input_textbox,
                                 source_language_dropdown,
                                 target_language_dropdown],
                                   outputs=translated_textbox)
    gr.Examples(["Je te rencontre au café", "Répétez s'il vous plaît."],
                inputs=[input_textbox])

if __name__ == "__main__":
    demo.launch()