{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# MS to IND HuggingFace"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<div class=\"alert alert-info\">\n",
    "\n",
    "This tutorial is available as an IPython notebook at [Malaya/example/ms-ind-translation-huggingface](https://github.com/huseinzol05/Malaya/tree/master/example/ms-ind-translation-huggingface).\n",
    "    \n",
    "</div>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<div class=\"alert alert-warning\">\n",
    "\n",
    "This module trained on standard language and augmented local language structures, proceed with caution.\n",
    "    \n",
    "</div>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "\n",
    "os.environ['CUDA_VISIBLE_DEVICES'] = ''"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "CPU times: user 3.81 s, sys: 3.51 s, total: 7.32 s\n",
      "Wall time: 3.19 s\n"
     ]
    }
   ],
   "source": [
    "%%time\n",
    "\n",
    "import malaya\n",
    "import logging\n",
    "\n",
    "logging.basicConfig(level=logging.INFO)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### List available HuggingFace models"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "INFO:malaya.translation.ms_ind:tested on FLORES200 MS-IND (zsm_Latn-ind_Latn) pair `dev` set, https://github.com/facebookresearch/flores/tree/main/flores200\n"
     ]
    },
    {
     "data": {
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       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Size (MB)</th>\n",
       "      <th>BLEU</th>\n",
       "      <th>SacreBLEU Verbose</th>\n",
       "      <th>SacreBLEU-chrF++-FLORES200</th>\n",
       "      <th>Suggested length</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>mesolitica/finetune-translation-austronesian-t5-tiny-standard-bahasa-cased</th>\n",
       "      <td>139</td>\n",
       "      <td>33.882077</td>\n",
       "      <td>67.7/42.2/28.0/18.9 (BP = 0.966 ratio = 0.966 ...</td>\n",
       "      <td>59.46</td>\n",
       "      <td>512</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>mesolitica/finetune-translation-austronesian-t5-small-standard-bahasa-cased</th>\n",
       "      <td>242</td>\n",
       "      <td>35.954481</td>\n",
       "      <td>66.3/42.6/29.1/20.3 (BP = 1.000 ratio = 1.014 ...</td>\n",
       "      <td>61.02</td>\n",
       "      <td>512</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>mesolitica/finetune-translation-austronesian-t5-base-standard-bahasa-cased</th>\n",
       "      <td>892</td>\n",
       "      <td>37.62068</td>\n",
       "      <td>70.0/45.8/31.7/22.5 (BP = 0.967 ratio = 0.968 ...</td>\n",
       "      <td>62.1</td>\n",
       "      <td>512</td>\n",
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       "                                                   Size (MB)       BLEU  \\\n",
       "mesolitica/finetune-translation-austronesian-t5...       139  33.882077   \n",
       "mesolitica/finetune-translation-austronesian-t5...       242  35.954481   \n",
       "mesolitica/finetune-translation-austronesian-t5...       892   37.62068   \n",
       "\n",
       "                                                                                    SacreBLEU Verbose  \\\n",
       "mesolitica/finetune-translation-austronesian-t5...  67.7/42.2/28.0/18.9 (BP = 0.966 ratio = 0.966 ...   \n",
       "mesolitica/finetune-translation-austronesian-t5...  66.3/42.6/29.1/20.3 (BP = 1.000 ratio = 1.014 ...   \n",
       "mesolitica/finetune-translation-austronesian-t5...  70.0/45.8/31.7/22.5 (BP = 0.967 ratio = 0.968 ...   \n",
       "\n",
       "                                                   SacreBLEU-chrF++-FLORES200  \\\n",
       "mesolitica/finetune-translation-austronesian-t5...                      59.46   \n",
       "mesolitica/finetune-translation-austronesian-t5...                      61.02   \n",
       "mesolitica/finetune-translation-austronesian-t5...                       62.1   \n",
       "\n",
       "                                                   Suggested length  \n",
       "mesolitica/finetune-translation-austronesian-t5...              512  \n",
       "mesolitica/finetune-translation-austronesian-t5...              512  \n",
       "mesolitica/finetune-translation-austronesian-t5...              512  "
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "malaya.translation.ms_ind.available_huggingface()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Load Transformer models\n",
    "\n",
    "```python\n",
    "def huggingface(\n",
    "    model: str = 'mesolitica/finetune-translation-austronesian-t5-small-standard-bahasa-cased',\n",
    "    force_check: bool = True,\n",
    "    **kwargs,\n",
    "):\n",
    "    \"\"\"\n",
    "    Load HuggingFace model to translate MS-to-IND.\n",
    "\n",
    "    Parameters\n",
    "    ----------\n",
    "    model: str, optional (default='mesolitica/finetune-translation-t5-small-standard-bahasa-cased')\n",
    "        Check available models at `malaya.translation.ms_ind.available_huggingface()`.\n",
    "\n",
    "    Returns\n",
    "    -------\n",
    "    result: malaya.torch_model.huggingface.Generator\n",
    "    \"\"\"\n",
    "```"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "transformer_huggingface = malaya.translation.ms_ind.huggingface()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Translate\n",
    "\n",
    "```python\n",
    "def generate(self, strings: List[str], **kwargs):\n",
    "    \"\"\"\n",
    "    Generate texts from the input.\n",
    "\n",
    "    Parameters\n",
    "    ----------\n",
    "    strings : List[str]\n",
    "    **kwargs: vector arguments pass to huggingface `generate` method.\n",
    "        Read more at https://huggingface.co/docs/transformers/main_classes/text_generation\n",
    "\n",
    "    Returns\n",
    "    -------\n",
    "    result: List[str]\n",
    "    \"\"\"\n",
    "```\n",
    "\n",
    "**For better results, always split by end of sentences**."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "from pprint import pprint"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
    "news = \"SHAH ALAM - Kerajaan harus bersikap 'kejam' terhadap desakan segelintir rakyat berkenaan isu pengeluaran Kumpulan Wang Simpanan Pekerja (KWSP) demi kesejahteraan rakyat di masa akan datang.\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[\"SHAH ALAM - Pemerintah harus 'kejam' dengan desakan segelintir masyarakat \"\n",
      " 'terkait isu penarikan Dana Penyediaan Pegawai (EPF) untuk kesejahteraan '\n",
      " 'masyarakat di masa depan.']\n",
      "CPU times: user 3.53 s, sys: 0 ns, total: 3.53 s\n",
      "Wall time: 298 ms\n"
     ]
    }
   ],
   "source": [
    "%%time\n",
    "\n",
    "pprint(transformer_huggingface.generate([news],\n",
    "                                       max_length = 1000))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### compare with Google translate using googletrans\n",
    "\n",
    "Install it by,\n",
    "\n",
    "```bash\n",
    "pip3 install googletrans==4.0.0rc1\n",
    "```"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [],
   "source": [
    "from googletrans import Translator\n",
    "\n",
    "translator = Translator()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [],
   "source": [
    "strings = [news]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Shah Alam - Pemerintah harus 'kejam' terhadap desakan beberapa orang tentang masalah produksi Dana Penyedia Karyawan (EPF) untuk masa depan rakyat.\n"
     ]
    }
   ],
   "source": [
    "for t in strings:\n",
    "    r = translator.translate(t, src='ms', dest = 'id')\n",
    "    print(r.text)"
   ]
  }
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