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# The MIT License
# Copyright (c) 2025 Albert Murienne
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import spaces
import torch
import gradio as gr
from transformers import AutoTokenizer, AutoModelForSeq2SeqLM, pipeline
device = "cuda" if torch.cuda.is_available() else "cpu"
print(f"current device is: {device}")
fw_modelcard = "amurienne/gallek-m2m100"
bw_modelcard = "amurienne/kellag-m2m100"
fw_model = AutoModelForSeq2SeqLM.from_pretrained(fw_modelcard)
fw_tokenizer = AutoTokenizer.from_pretrained(fw_modelcard)
fw_translation_pipeline = pipeline("translation", model=fw_model, tokenizer=fw_tokenizer, src_lang='fr', tgt_lang='br', max_length=400, device=device)
bw_model = AutoModelForSeq2SeqLM.from_pretrained(bw_modelcard)
bw_tokenizer = AutoTokenizer.from_pretrained(bw_modelcard)
bw_translation_pipeline = pipeline("translation", model=bw_model, tokenizer=bw_tokenizer, src_lang='br', tgt_lang='fr', max_length=400, device=device)
# translation function
@spaces.GPU
def translate(text, direction):
if direction == "fr_to_br":
return fw_translation_pipeline("traduis de français en breton: " + text)[0]['translation_text']
else:
return bw_translation_pipeline("treiñ eus ar galleg d'ar brezhoneg: " + text)[0]['translation_text']
# function to switch translation direction
def switch_direction(direction):
return "br_to_fr" if direction == "fr_to_br" else "fr_to_br"
# function to update labels dynamically
def update_labels(direction, input_text, output_text):
if direction == "br_to_fr":
return gr.Textbox(output_text, label="Breton"), gr.Textbox(input_text, label="French")
else:
return gr.Textbox(output_text, label="French"), gr.Textbox(input_text, label="Breton")
with gr.Blocks(theme=gr.themes.Soft()) as demo:
gr.Markdown("# Gallek French ↔️ Breton Translation Demo\nPart of the [GweLLM](https://github.com/blackccpie/GweLLM) project")
direction = gr.State("fr_to_br") # default direction is French to Breton
input_text = gr.Textbox(label="French")
output_text = gr.Textbox(label="Breton")
with gr.Row():
translate_btn = gr.Button("Translate", variant='primary', scale=2)
switch_btn = gr.Button("Switch Direction 🔃", variant='secondary', scale=1)
# translation logic
translate_btn.click(translate, [input_text, direction], output_text)
# switch direction logic
switch_btn.click(switch_direction, direction, direction).then(
update_labels, [direction, input_text, output_text], [input_text, output_text]
)
demo.launch()
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