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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() |