demo/app.py

import os

import gradio as gr
import pandas as pd
import pymarc

from marcai.predict import predict_onnx
from marcai.process import process
from marcai.utils import load_config
from marcai.utils.parsing import record_dict

demo_dir = os.path.dirname(os.path.realpath(__file__))


def compare(file1, file2):
    # Load records
    record1 = pymarc.parse_xml_to_array(file1)[0]
    record2 = pymarc.parse_xml_to_array(file2)[0]

    # Turn into dataframes
    df1 = pd.DataFrame.from_dict([record_dict(record1)])
    df2 = pd.DataFrame.from_dict([record_dict(record2)])

    df = process(df1, df2)

    # Load config
    config = load_config(os.path.join(demo_dir, "config.yaml"))

    # Run ONNX model
    model_onnx = os.path.join(demo_dir, "model.onnx")
    input_df = df[config["model"]["features"]]
    prediction = predict_onnx(model_onnx, input_df).item()

    return {"match": prediction, "not match": 1 - prediction}


interface = gr.Interface(
    fn=compare,
    inputs=[gr.File(label="MARC XML File 1"), gr.File(label="MARC XML File 2")],
    outputs=gr.Label(label="Classification"),
    title="MARC Record Matcher",
    description="Upload two MARC XML files with one record each.",
    allow_flagging="never",
)
interface.launch()