OpenNMT-py Translate GUI

translate-gui.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

#OpenNMT-py GUI Alpha version by Yasmin Moslem
#Contact: yasmin {aatt} machinetranslation.io
#Built on OpenNMT-py v. 0.9.1 "translate.py" 

from __future__ import unicode_literals
from itertools import repeat

from onmt.utils.logging import init_logger
from onmt.utils.misc import split_corpus
from onmt.translate.translator import build_translator

import onmt.opts as opts
from onmt.utils.parse import ArgumentParser

from tkinter import *
from tkinter.filedialog import askopenfilename
from tkinter import messagebox

import webbrowser


def main(opt):
    ArgumentParser.validate_translate_opts(opt)
    logger = init_logger(opt.log_file)

    translator = build_translator(opt, report_score=True)
    src_shards = split_corpus(opt.src, opt.shard_size)
    tgt_shards = split_corpus(opt.tgt, opt.shard_size) \
        if opt.tgt is not None else repeat(None)
    shard_pairs = zip(src_shards, tgt_shards)

    for i, (src_shard, tgt_shard) in enumerate(shard_pairs):
        logger.info("Translating shard %d." % i)
        translator.translate(
            src=src_shard,
            tgt=tgt_shard,
            src_dir=opt.src_dir,
            batch_size=opt.batch_size,
            attn_debug=opt.attn_debug
            )


def _get_parser():
    parser = ArgumentParser(description='translate.py')

    opts.config_opts(parser)
    opts.translate_opts(parser)
    return parser

    
def go():
    parser = _get_parser()
    opt = parser.parse_args()
    
    try:
        opt.src = file_source
        opt.models = [file_model]
   
        opt.output = "yourtranslation.txt"
    
        main(opt)
        success = messagebox.askyesno('Success', 'Your source text has been successfully translated and saved as "yourtranslation.txt". Do you want to open the target file?')
        if success == True:
            webbrowser.open("yourtranslation.txt")
    except:
        messagebox.showerror('Error', 'Make sure you select the right Source and Model files.')
        
   


# GUI

Title = "OpenNMT-py Translator"

window = Tk()
window.title(Title)
window.geometry("406x200")
window.resizable(0,0)

frame0 = Frame(window)
frame1 = Frame(window)
frame2 = Frame(window)
frame3 = Frame(window)


# About
def about():
    messagebox.showinfo('About', 'OpenNMT-py GUI Alpha version by Yasmin Moslem.\nContact: yasmin@machinetranslation.io')

btn_about = Button(frame0, text="?", command=about, relief=GROOVE).pack(side=RIGHT)

# Button Callbacks
def btnBrowseSourceCallback(event=None):   # event=None solves the issue of argument, or create two functions one for browse and one for entry
    window.update()
    global file_source
    file_source = askopenfilename()
    if file_source != None:
        path_source.delete(0, END)
        path_source.insert(0, file_source)
        
def btnBrowseModelCallback(event=None):
    window.update()
    global file_model
    file_model = askopenfilename()
    if file_model != None:
        path_model.delete(0, END)
        path_model.insert(0, file_model)


# Source File Picker
label_source = Label(frame1, text="Source File").pack(side=LEFT)

path_source = Entry(frame1, width=43, textvariable="")
path_source.insert(0,"Browse to locate the source *.txt file")
path_source.pack(side=LEFT)
path_source.bind("<Button-1>", btnBrowseSourceCallback)  # open file dialogue when clicking on the Entry

btn_browse_source = Button(frame1, text="Browse...", command=btnBrowseSourceCallback).pack(side=RIGHT)

# Model File Picker
label_model = Label(frame2, text="Model File").pack(side=LEFT)

path_model = Entry(frame2, width=43, textvariable="")
path_model.insert(0,"Browse to locate the model *.pt file")
path_model.pack(side=LEFT)
path_model.bind("<Button-2>", btnBrowseModelCallback)  # open file dialogue when clicking on the Entry

btn_browse_model = Button(frame2, text="Browse...", command=btnBrowseModelCallback).pack(side=RIGHT)

btn_translate = Button(frame3, text="Translate", width=20, highlightbackground="#BBCAE8", command=go).pack(padx=1)


# use pack instead of grid to adjust position
frame0.pack(fill=BOTH, expand=NO, padx=10, pady=10)
frame1.pack(fill=BOTH, expand=NO, padx=10, pady=10)
frame2.pack(fill=BOTH, expand=NO, padx=10, pady=10)
frame3.pack(fill=BOTH, expand=NO, padx=10, pady=10)



window.mainloop()