!55024 dataset gallery zh-cn

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@ -59,3 +59,11 @@ https://www.mindspore.cn/docs/en/master/api_python/samples/dataset/dataset_galle
https://www.mindspore.cn/docs/en/master/api_python/samples/dataset/vision_gallery.html
https://www.mindspore.cn/docs/en/master/api_python/samples/dataset/audio_gallery.html
https://www.mindspore.cn/docs/en/master/api_python/samples/dataset/text_gallery.html
https://www.mindspore.cn/docs/zh-CN/master/api_python/samples/dataset/dataset_gallery.html
https://www.mindspore.cn/docs/zh-CN/master/api_python/samples/dataset/audio_gallery.html
https://www.mindspore.cn/docs/zh-CN/master/api_python/samples/dataset/text_gallery.html
https://www.mindspore.cn/docs/zh-CN/master/api_python/samples/dataset/vision_gallery.html
https://gitee.com/mindspore/mindspore/blob/master/docs/api/api_python/samples/dataset/audio_gallery.ipynb
https://gitee.com/mindspore/mindspore/blob/master/docs/api/api_python/samples/dataset/dataset_gallery.ipynb
https://gitee.com/mindspore/mindspore/blob/master/docs/api/api_python/samples/dataset/text_gallery.ipynb
https://gitee.com/mindspore/mindspore/blob/master/docs/api/api_python/samples/dataset/vision_gallery.ipynb

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@ -51,7 +51,7 @@ mindspore.dataset
数据处理Pipeline快速上手
----------------------
如何快速使用Dataset Pipeline可以将 `Load & Process Data With Dataset Pipeline <https://www.mindspore.cn/docs/en/master/api_python/samples/dataset/dataset_gallery.html>`_ 下载到本地,按照顺序执行并观察输出结果。
如何快速使用Dataset Pipeline可以将 `使用数据Pipeline加载 & 处理数据集 <https://www.mindspore.cn/docs/zh-CN/master/api_python/samples/dataset/dataset_gallery.html>`_ 下载到本地,按照顺序执行并观察输出结果。
视觉
-----

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@ -95,8 +95,8 @@ API样例中常用的导入模块如下
样例库
^^^^^^
快速上手使用视觉类变换的API跳转参考 `Illustration of vision transforms <https://www.mindspore.cn/docs/en/master/api_python/samples/dataset/vision_gallery.html>`_
此指南中展示了典型的API用法,以及输入输出结果。
快速上手使用视觉类变换的API跳转参考 `视觉变换样例库 <https://www.mindspore.cn/docs/zh-CN/master/api_python/samples/dataset/vision_gallery.html>`_
此指南中展示了多个变换API的用法,以及输入输出结果。
变换
^^^^^
@ -241,8 +241,8 @@ API样例中常用的导入模块如下
样例库
^^^^^^
快速上手使用文本变换的API跳转参考 `Illustration of text transforms <https://www.mindspore.cn/docs/en/master/api_python/samples/dataset/text_gallery.html>`_
此指南中展示了典型的API用法,以及输入输出结果。
快速上手使用文本变换的API跳转参考 `文本变换样例库 <https://www.mindspore.cn/docs/zh-CN/master/api_python/samples/dataset/text_gallery.html>`_
此指南中展示了多个变换API的用法,以及输入输出结果。
变换
^^^^^
@ -311,8 +311,8 @@ API样例中常用的导入模块如下
样例库
^^^^^^
快速上手使用音频变换的API跳转参考 `Illustration of audio transforms <https://www.mindspore.cn/docs/en/master/api_python/samples/dataset/audio_gallery.html>`_
此指南中展示了典型的API用法,以及输入输出结果。
快速上手使用音频变换的API跳转参考 `音频变换样例库 <https://www.mindspore.cn/docs/zh-CN/master/api_python/samples/dataset/audio_gallery.html>`_
此指南中展示了多个变换API的用法,以及输入输出结果。
变换
^^^^^

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@ -0,0 +1,277 @@
{
"cells": [
{
"attachments": {},
"cell_type": "markdown",
"metadata": {},
"source": [
"# 文本变换样例库\n",
"\n",
"[![下载Notebook](https://mindspore-website.obs.cn-north-4.myhuaweicloud.com/website-images/master/resource/_static/logo_notebook.png)](https://obs.dualstack.cn-north-4.myhuaweicloud.com/mindspore-website/notebook/master/docs/api_python/samples/dataset/text_gallery.ipynb)&emsp;\n",
"[![查看源文件](https://mindspore-website.obs.cn-north-4.myhuaweicloud.com/website-images/master/resource/_static/logo_source.png)](https://gitee.com/mindspore/mindspore/blob/master/docs/api/api_python/samples/dataset/text_gallery.ipynb)\n",
"\n",
"此指南展示了[mindpore.dataset.text](https://www.mindspore.cn/docs/zh-CN/master/api_python/mindspore.dataset.transforms.html#%E6%96%87%E6%9C%AC)模块中各种变换的用法。"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {},
"source": [
"## 环境准备"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Downloading data from https://mindspore-website.obs.cn-north-4.myhuaweicloud.com/notebook/datasets/bert-base-uncased-vocab.txt (226 kB)\n",
"\n",
"file_sizes: 100%|████████████████████████████| 232k/232k [00:00<00:00, 2.21MB/s]\n",
"Successfully downloaded file to ./bert-base-uncased-vocab.txt\n",
"Downloading data from https://mindspore-website.obs.cn-north-4.myhuaweicloud.com/notebook/datasets/article.txt (9 kB)\n",
"\n",
"file_sizes: 100%|██████████████████████████| 9.06k/9.06k [00:00<00:00, 1.83MB/s]\n",
"Successfully downloaded file to ./article.txt\n",
"['text_gallery.ipynb', 'article.txt', 'bert-base-uncased-vocab.txt']\n"
]
}
],
"source": [
"import os\n",
"from download import download\n",
"\n",
"import mindspore.dataset as ds\n",
"import mindspore.dataset.text as text\n",
"\n",
"# Download opensource datasets\n",
"# citation: https://www.kaggle.com/datasets/drknope/bertbaseuncasedvocab\n",
"url = \"https://mindspore-website.obs.cn-north-4.myhuaweicloud.com/notebook/datasets/bert-base-uncased-vocab.txt\"\n",
"download(url, './bert-base-uncased-vocab.txt', replace=True)\n",
"\n",
"url = \"https://mindspore-website.obs.cn-north-4.myhuaweicloud.com/notebook/datasets/article.txt\"\n",
"download(url, './article.txt', replace=True)\n",
"\n",
"# Show the directory\n",
"print(os.listdir())\n",
"\n",
"def call_op(op, input):\n",
" print(op(input), flush=True)"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {},
"source": [
"## Vocab\n",
"\n",
"[mindspore.dataset.text.Vocab](https://mindspore.cn/docs/zh-CN/master/api_python/dataset_text/mindspore.dataset.text.Vocab.html#mindspore.dataset.text.Vocab) 用于存储多对字符与ID。其包含一个映射可以将每个单词str映射到一个IDint。"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"ids [18863, 18279]\n",
"tokens ['##nology', 'crystalline']\n",
"lookup: ids [18863 18279]\n"
]
}
],
"source": [
"# Load bert vocab\n",
"vocab_file = open(\"bert-base-uncased-vocab.txt\")\n",
"vocab_content = list(set(vocab_file.read().splitlines()))\n",
"vocab = text.Vocab.from_list(vocab_content)\n",
"\n",
"# lookup tokens to ids\n",
"ids = vocab.tokens_to_ids([\"good\", \"morning\"])\n",
"print(\"ids\", ids)\n",
"\n",
"# lookup ids to tokens\n",
"tokens = vocab.ids_to_tokens([128, 256])\n",
"print(\"tokens\", tokens)\n",
"\n",
"# Use Lookup op to lookup index\n",
"op = text.Lookup(vocab)\n",
"ids = op([\"good\", \"morning\"])\n",
"print(\"lookup: ids\", ids)"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {},
"source": [
"## AddToken\n",
"\n",
"[mindspore.dataset.text.AddToken](https://mindspore.cn/docs/zh-CN/master/api_python/dataset_text/mindspore.dataset.text.AddToken.html#mindspore.dataset.text.AddToken) 将分词(token)添加到序列的开头或结尾处。"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"['TOKEN' 'a' 'b' 'c' 'd' 'e']\n",
"['a' 'b' 'c' 'd' 'e' 'END']\n"
]
}
],
"source": [
"txt = [\"a\", \"b\", \"c\", \"d\", \"e\"]\n",
"add_token_op = text.AddToken(token='TOKEN', begin=True)\n",
"call_op(add_token_op, txt)\n",
"\n",
"add_token_op = text.AddToken(token='END', begin=False)\n",
"call_op(add_token_op, txt)"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {},
"source": [
"## SentencePieceTokenizer\n",
"\n",
"[mindspore.dataset.text.SentencePieceTokenizer](https://mindspore.cn/docs/zh-CN/master/api_python/dataset_text/mindspore.dataset.text.SentencePieceTokenizer.html#mindspore.dataset.text.SentencePieceTokenizer) 使用SentencePiece分词器对字符串进行分词。\n"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Downloading data from https://mindspore-website.obs.cn-north-4.myhuaweicloud.com/notebook/datasets/sentencepiece.bpe.model (4.8 MB)\n",
"\n",
"file_sizes: 100%|██████████████████████████| 5.07M/5.07M [00:01<00:00, 2.93MB/s]\n",
"Successfully downloaded file to ./sentencepiece.bpe.model\n",
"['▁Today' '▁is' '▁Tuesday' '.']\n"
]
}
],
"source": [
"# Construct a SentencePieceVocab model\n",
"url = \"https://mindspore-website.obs.cn-north-4.myhuaweicloud.com/notebook/datasets/sentencepiece.bpe.model\"\n",
"download(url, './sentencepiece.bpe.model', replace=True)\n",
"sentence_piece_vocab_file = './sentencepiece.bpe.model'\n",
"\n",
"# Use the model to tokenize text\n",
"tokenizer = text.SentencePieceTokenizer(sentence_piece_vocab_file, out_type=text.SPieceTokenizerOutType.STRING)\n",
"txt = \"Today is Tuesday.\"\n",
"call_op(tokenizer, txt)"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {},
"source": [
"## WordpieceTokenizer\n",
"\n",
"[mindspore.dataset.text.WordpieceTokenizer](https://mindspore.cn/docs/zh-CN/master/api_python/dataset_text/mindspore.dataset.text.WordpieceTokenizer.html#mindspore.dataset.text.WordpieceTokenizer) 将输入的字符串切分为子词。"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"['token' '##izer' 'will' 'outputs' 'sub' '##words']\n"
]
}
],
"source": [
"# Reuse the vocab defined above as input vocab\n",
"tokenizer = text.WordpieceTokenizer(vocab=vocab, unknown_token='[UNK]')\n",
"txt = [\"tokenizer\", \"will\", \"outputs\", \"subwords\"]\n",
"call_op(tokenizer, txt)"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {},
"source": [
"## 在数据Pipeline中加载和处理TXT文件\n",
"\n",
"使用 [mindspore.dataset.TextFileDataset](https://mindspore.cn/docs/zh-CN/master/api_python/dataset/mindspore.dataset.TextFileDataset.html#mindspore.dataset.TextFileDataset) 将磁盘中的文本文件内容加载到数据Pipeline中并应用分词器对其中的内容进行分词。"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"# Load text content into dataset pipeline\n",
"text_file = \"article.txt\"\n",
"dataset = ds.TextFileDataset(dataset_files=text_file, shuffle=False)\n",
"\n",
"# check the column names inside the dataset\n",
"print(\"column names:\", dataset.get_col_names())\n",
"\n",
"# tokenize all text content into tokens with bert vocab\n",
"dataset = dataset.map(text.BertTokenizer(vocab=vocab), input_columns=[\"text\"])\n",
"\n",
"for data in dataset:\n",
" print(data)"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "ly37",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.5"
},
"vscode": {
"interpreter": {
"hash": "9f0efe8a0d8ccef1406a56130f5ab5480567fb275f7fbf51bbc40aede97503df"
}
}
},
"nbformat": 4,
"nbformat_minor": 0
}

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@ -72,7 +72,7 @@
"source": [
"## Vocab\n",
"\n",
"The :class:`~.dataset.text.Vocab` is used to save pairs of words and ids.\n",
"The [mindspore.dataset.text.Vocab](https://mindspore.cn/docs/en/master/api_python/dataset_text/mindspore.dataset.text.Vocab.html#mindspore.dataset.text.Vocab) is used to save pairs of words and ids.\n",
"It contains a map that maps each word(str) to an id(int) or reverse."
]
},
@ -112,12 +112,13 @@
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {},
"source": [
"## AddToken\n",
"\n",
"The :class:`~.dataset.text.AddToken` transform adds token to beginning or end of sequence.\n",
"The [mindspore.dataset.text.AddToken](https://mindspore.cn/docs/en/master/api_python/dataset_text/mindspore.dataset.text.AddToken.html#mindspore.dataset.text.AddToken) transform adds token to beginning or end of sequence.\n",
"\n"
]
},
@ -151,7 +152,7 @@
"source": [
"## SentencePieceTokenizer\n",
"\n",
"The :class:`~.dataset.text.SentencePieceTokenizer` transform tokenizes scalar token or 1-D tokens to tokens by sentencepiece.\n"
"The [mindspore.dataset.text.SentencePieceTokenizer](https://mindspore.cn/docs/en/master/api_python/dataset_text/mindspore.dataset.text.SentencePieceTokenizer.html#mindspore.dataset.text.SentencePieceTokenizer) transform tokenizes scalar string into tokens by sentencepiece.\n"
]
},
{
@ -192,7 +193,7 @@
"source": [
"## WordpieceTokenizer\n",
"\n",
"The :class:`~.dataset.text.WordpieceTokenizer` transform tokenizes the input text to subword tokens.\n",
"The [mindspore.dataset.text.WordpieceTokenizer](https://mindspore.cn/docs/en/master/api_python/dataset_text/mindspore.dataset.text.WordpieceTokenizer.html#mindspore.dataset.text.WordpieceTokenizer) transform tokenizes the input text to subword tokens.\n",
"\n"
]
},
@ -223,9 +224,9 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"## Process TXT File in pipeline\n",
"## Process TXT File In Dataset Pipeline\n",
"\n",
"Use :class:`~mindspore.dataset.TextFileDataset` to read content of text into dataset pipeline and the perform tokenization on text."
"Use [mindspore.dataset.TextFileDataset](https://mindspore.cn/docs/en/master/api_python/dataset/mindspore.dataset.TextFileDataset.html#mindspore.dataset.TextFileDataset) to read content of text into dataset pipeline and the perform tokenization on text."
]
},
{
@ -275,4 +276,4 @@
},
"nbformat": 4,
"nbformat_minor": 0
}
}

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