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from pathlib import Path
from functools import partial
from joeynmt.prediction import predict
from joeynmt.helpers import (
check_version,
load_checkpoint,
load_config,
parse_train_args,
resolve_ckpt_path,
)
from joeynmt.model import build_model
from joeynmt.tokenizers import build_tokenizer
from joeynmt.vocabulary import build_vocab
from joeynmt.datasets import build_dataset
import gradio as gr
# INPUT = "سلاو لە ناو گلی کرد"
cfg_file = 'config.yaml'
ckpt = './models/Sorani-Arabic/best.ckpt'
cfg = load_config(Path(cfg_file))
# parse and validate cfg
model_dir, load_model, device, n_gpu, num_workers, _, fp16 = parse_train_args(
cfg["training"], mode="prediction")
test_cfg = cfg["testing"]
src_cfg = cfg["data"]["src"]
trg_cfg = cfg["data"]["trg"]
load_model = load_model if ckpt is None else Path(ckpt)
ckpt = resolve_ckpt_path(load_model, model_dir)
src_vocab, trg_vocab = build_vocab(cfg["data"], model_dir=model_dir)
model = build_model(cfg["model"], src_vocab=src_vocab, trg_vocab=trg_vocab)
# load model state from disk
model_checkpoint = load_checkpoint(ckpt, device=device)
model.load_state_dict(model_checkpoint["model_state"])
if device.type == "cuda":
model.to(device)
tokenizer = build_tokenizer(cfg["data"])
sequence_encoder = {
src_cfg["lang"]: partial(src_vocab.sentences_to_ids, bos=False, eos=True),
trg_cfg["lang"]: None,
}
test_cfg["batch_size"] = 1 # CAUTION: this will raise an error if n_gpus > 1
test_cfg["batch_type"] = "sentence"
test_data = build_dataset(
dataset_type="stream",
path=None,
src_lang=src_cfg["lang"],
trg_lang=trg_cfg["lang"],
split="test",
tokenizer=tokenizer,
sequence_encoder=sequence_encoder,
)
# test_data.set_item(INPUT.rstrip())
def _translate_data(test_data, cfg=test_cfg):
"""Translates given dataset, using parameters from outer scope."""
_, _, hypotheses, trg_tokens, trg_scores, _ = predict(
model=model,
data=test_data,
compute_loss=False,
device=device,
n_gpu=n_gpu,
normalization="none",
num_workers=num_workers,
cfg=cfg,
fp16=fp16,
)
return hypotheses[0]
def normalize(text):
test_data.set_item(text)
result = _translate_data(test_data)
return result
examples = [
["ياخوا تةمةن دريژبيت بوئةم ميللةتة"],
["سلاو برا جونی؟"],
]
demo = gr.Interface(
fn=normalize,
inputs=gr.inputs.Textbox(lines=5, label="Input Text"),
outputs=gr.outputs.Textbox(label="Output Text" ),
examples=examples
)
demo.launch()