{"id":306,"date":"2019-10-25T13:34:23","date_gmt":"2019-10-25T04:34:23","guid":{"rendered":"http:\/\/localhost:8000\/?p=306"},"modified":"2021-01-23T12:24:41","modified_gmt":"2021-01-23T03:24:41","slug":"python-typing","status":"publish","type":"post","link":"http:\/\/localhost:8000\/2019\/10\/python-typing.html","title":{"rendered":"python\u306e\u578b\u30d2\u30f3\u30c8"},"content":{"rendered":"<p>python\u306f\u52d5\u7684\u578b\u4ed8\u3051\u8a00\u8a9e\u3067\u3059\u304c\u3001\u30d0\u30fc\u30b8\u30e7\u30f33.5\u3067<b>\u578b\u30d2\u30f3\u30c8<\/b>\u304c\u5c0e\u5165\u3055\u308c\u305f\u3053\u3068\u306b\u3088\u308a\u3001\u9759\u7684\u578b\u4ed8\u3051\u8a00\u8a9e\u3063\u307d\u304f\u958b\u767a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001<a href=\"https:\/\/docs.python.org\/ja\/3\/library\/typing.html\">\u516c\u5f0f\u30da\u30fc\u30b8<\/a> \u306b\u3082\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u3044\u3066\u3042\u308b\u3088\u3046\u306b\u3001<\/p>\n<blockquote>\n<p>Python \u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u3001\u95a2\u6570\u3084\u5909\u6570\u306e\u578b\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u5f37\u5236\u3057\u307e\u305b\u3093\u3002 \u578b\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u578b\u30c1\u30a7\u30c3\u30ab\u30fc\u3001IDE\u3001linter\u306a\u3069\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30fc\u30c4\u30fc\u30eb\u3067\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n<\/blockquote>\n<p>\u578b\u30d2\u30f3\u30c8\u81ea\u4f53\u306f\u3042\u304f\u307e\u3067\u30b3\u30e1\u30f3\u30c8\u306e\u5ef6\u9577\u3067\u3042\u308a\u52d5\u4f5c\u306b\u306f\u4e00\u5207\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u305b\u3093\u3002\u578b\u30c1\u30a7\u30c3\u30ab\u30fc\u3001IDE\u3001linter\u306a\u3069\u306e\u30c4\u30fc\u30eb\u306b\u3088\u3063\u3066\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u578b\u30d2\u30f3\u30c8\u306e\u5c0e\u5165\u306b\u95a2\u3057\u3066\u306f\u30e1\u30ea\u30c3\u30c8\u3057\u304b\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u5c0e\u5165\u3057\u3066\u5feb\u9069\u306apython life\u3092\u304a\u304f\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u578b\u30d2\u30f3\u30c8\u306e\u30e1\u30ea\u30c3\u30c8<\/h2>\n<p>\u578b\u30d2\u30f3\u30c8\u3092\u5c0e\u5165\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u306f3\u3064\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u30b3\u30fc\u30c9\u30c1\u30a7\u30c3\u30af<\/li>\n<li>\u5165\u529b\u5019\u88dc\u306e\u8868\u793a<\/li>\n<li>\u53ef\u8aad\u6027\u5411\u4e0a<\/li>\n<\/ol>\n<h3>\u30b3\u30fc\u30c9\u30c1\u30a7\u30c3\u30af<\/h3>\n<p>\u578b\u30d2\u30f3\u30c8\u306e\u6700\u5927\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u9759\u7684\u578b\u30c1\u30a7\u30c3\u30af\u3060\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\nIDE\u3067\u5b9f\u88c5\u4e2d\u306b\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u6642\u306b\u578b\u30d2\u30f3\u30c8\u3067\u6307\u5b9a\u3057\u305f\u578b\u3068\u7570\u306a\u308b\u578b\u306e\u5024\u304c\u30a2\u30b5\u30a4\u30f3\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n<img src=\"http:\/\/localhost:8000\/wp-content\/uploads\/2019\/10\/20191025171104-600x191.png\" alt=\"\" \/><\/p>\n<p>\u305f\u3060\u3057\u3001VS\u30b3\u30fc\u30c9\u306e\u5834\u5408\u3001\u30b3\u30fc\u30c9\u30c1\u30a7\u30c3\u30af\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u307e\u307e\u3067\u306f\u3084\u3063\u3066\u304f\u308c\u306a\u3044\u306e\u3067\u3001mypy\u3092\u5c0e\u5165\u3057\u3001settings.json\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-json\">{\n    &quot;python.linting.lintOnSave&quot;: true,\n    &quot;python.linting.mypyEnabled&quot;: true,\n}<\/code><\/pre>\n<p>\u306a\u304a\u3001\u30b3\u30fc\u30c9\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u3092\u3044\u308c\u306a\u3044\u5834\u5408\u3001\u5b9f\u88c5\u304c\u6b63\u3057\u304f\u3066\u578b\u30d2\u30f3\u30c8\u3060\u3051\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u72b6\u614b\u3067\u30b3\u30fc\u30c9\u304ccommit\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u305d\u306e\u5834\u5408\u3001\u578b\u30d2\u30f3\u30c8\u306f\u8aa4\u89e3\u3092\u751f\u3080\u3060\u3051\u306a\u306e\u3067\u3001\u53ef\u8aad\u6027\u304c\u4e0b\u304c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u578b\u30d2\u30f3\u30c8\u3092\u5c0e\u5165\u3059\u308b\u306e\u3067\u308c\u3070\u3001\u30b3\u30fc\u30c9\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u306f\u5fc5\u305a\u5c0e\u5165\u3057\u305f\u65b9\u304c\u3044\u3044\u3067\u3059\u3002<\/p>\n<h3>\u5165\u529b\u5019\u88dc\u306e\u8868\u793a<\/h3>\n<p>\u578b\u30d2\u30f3\u30c8\u3092\u6307\u5b9a\u3057\u3066\u304f\u3053\u3068\u3067\u3001IDE\u304c\u5909\u6570\u306e\u578b\u3092\u8a8d\u8b58\u3057\u3001\u305d\u306e\u5909\u6570\u304c\u6301\u3063\u3066\u3044\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3084\u95a2\u6570\u3092\u30d7\u30eb\u30c0\u30a6\u30f3\u3067\u8868\u793a\u3057\u3066\u304f\u308c\u307e\u3059\u3002<br \/>\nVS\u30b3\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u3044\u308c\u3070\u3001\u3053\u308c\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u3084\u3063\u3066\u304f\u308c\u308b\u3088\u3046\u3067\u3059\u3002<br \/>\n<img src=\"http:\/\/localhost:8000\/wp-content\/uploads\/2019\/10\/20191025170531.png\" alt=\"\" \/><\/p>\n<h3>\u53ef\u8aad\u6027\u5411\u4e0a<\/h3>\n<p>\u6b63\u3057\u304f\u578b\u30d2\u30f3\u30c8\u3092\u66f8\u3044\u3066\u3042\u308b\u5834\u5408\u3001\u53ef\u8aad\u6027\u304c\u8457\u3057\u304f\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001<\/p>\n<pre><code class=\"language-python\">books = library.get_books_by_name(&#039;xxx&#039;)<\/code><\/pre>\n<p>\u3068\u3042\u3063\u305f\u3057\u3066\u3001books\u306b\u5165\u308b\u578b\u304cList\u306a\u306e\u304bSet\u306a\u306e\u304b\u3001\u4f55\u306e\u30ea\u30b9\u30c8\u306a\u306e\u304b\u3092\u660e\u78ba\u306b\u5224\u65ad\u3067\u304d\u308b\u4eba\u306f\u3044\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001<\/p>\n<pre><code class=\"language-python\">books: Set[Book] = library.get_books_by_name(&#039;xxx&#039;)<\/code><\/pre>\n<p>\u3068\u306a\u3063\u3066\u3044\u308c\u3070\u3001\u8ab0\u304c\u307f\u3066\u3082Book\u306eSet\u3067\u3042\u308b\u3053\u3068\u304c\u7406\u89e3\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u540c\u69d8\u306b\u3001<\/p>\n<pre><code class=\"language-python\">@dataclasses.dataclass(frozen=True)\nclass Liblary:\n    all_books\n    def get_books_by_name(self, name):\n        return set(filter(lambda b:b.name == name, self.all_books))<\/code><\/pre>\n<p>\u3068\u3042\u3063\u305f\u3068\u3057\u3066\u3001\u3053\u306e<code>name<\/code>\u306e\u578b\u304c\u4f55\u306a\u306e\u304b\u3001\u623b\u308a\u5024\u304cList\u306a\u306e\u304bSet\u306a\u306e\u304b\u3001Set\u3060\u3068\u3057\u3066\u3069\u306e\u578b\u306eSet\u304c\u8fd4\u308b\u306e\u304b\u3092\u6b63\u78ba\u306b\u5224\u65ad\u3059\u308b\u306e\u306f\u56f0\u96e3\u3060\u3068\u601d\u3044\u307e\u3059\u304c\u3001<\/p>\n<pre><code class=\"language-python\">@dataclasses.dataclass(frozen=True)\nclass Liblary:\n    all_books: Set[Book]\n    def get_books_by_name(self, name: str) -&gt; Set[Book]:\n        return set(filter(lambda b:b.name == name, self.all_books))<\/code><\/pre>\n<p>\u3068\u306a\u3063\u3066\u3044\u308c\u3070\u3001\u5f15\u6570\u3082\u623b\u308a\u5024\u3082\u8ab0\u306e\u76ee\u304b\u3089\u898b\u3066\u3082\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u578b\u30d2\u30f3\u30c8\u3092\u66f8\u3044\u3066\u6b32\u3057\u3044\u5834\u6240<\/h2>\n<p>\u3082\u3068\u3082\u3068Java\u306e\u4e16\u754c\u304b\u3089\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u30b9\u30bf\u30fc\u30c8\u3057\u305f\u81ea\u5206\u3068\u3057\u3066\u306f\u3001\u5168\u3066\u306e\u7b87\u6240\u306b\u578b\u30d2\u30f3\u30c8\u3092\u66f8\u304f\u306e\u304c\u4e00\u756a\u3044\u3044\u3068\u611f\u3058\u307e\u3059\u304c\u3001kotlin\u3084scala\u306a\u3069\u578b\u63a8\u8ad6\u304c\u5c0e\u5165\u3055\u308c\u3066\u3044\u308b\u8a00\u8a9e\u3082\u3042\u308a\u5168\u3066\u306b\u578b\u3092\u8a18\u8f09\u3059\u308b\u3053\u3068\u304c\u30c7\u30e1\u30ea\u30c3\u30c8\u306b\u611f\u3058\u308b\u3053\u3068\u3082\u7406\u89e3\u3067\u304d\u307e\u3059\u3002<br \/>\n\u4f8b\u3048\u3070\u3001\u4f55\u304b\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3046\u5834\u5408\u306b\u3001\u9014\u4e2d\u6bb5\u968e\u3067\u751f\u6210\u3059\u308b\u5909\u6570\u306e\u578b\u3092\u5168\u90e8\u8abf\u3079\u4e0a\u3052\u308b\u306e\u306f\u3042\u307e\u308a\u610f\u5473\u304c\u306a\u3044\u6c17\u3082\u3057\u307e\u3059\u3002<br \/>\n\u306a\u306e\u3067\u3001\u7d76\u5bfe\u306b\u578b\u30d2\u30f3\u30c8\u3092\u66f8\u3044\u3066\u6b32\u3057\u3044\u5834\u6240\u3060\u3051\u8a18\u8f09\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u95a2\u6570\u306e\u5f15\u6570\u3068\u623b\u308a\u5024<\/li>\n<li>\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/li>\n<li>\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570<\/li>\n<\/ul>\n<h2>\u305d\u306e\u4ed6Tips<\/h2>\n<p>\u578b\u30d2\u30f3\u30c8\u306e\u5b9f\u88c5\u65b9\u6cd5\u81ea\u4f53\u306f\u3044\u308d\u3093\u306a\u8a18\u4e8b\u304c\u4e16\u306e\u4e2d\u306b\u3042\u308b\u306e\u3067\u3001\u3053\u3053\u3067\u306f\u81ea\u5206\u304c\u30e0\u30e0\u30c3\u3068\u601d\u3063\u305f\u70b9\u3060\u3051Tips\u3068\u3057\u3066\u6b8b\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<h3>List\u3084Set\u306a\u3069\u306e\u578b\u30d2\u30f3\u30c8\u306e\u66f8\u304d\u65b9<\/h3>\n<p>python\u306e<a href=\"https:\/\/docs.python.org\/ja\/3\/library\/stdtypes.html#text-sequence-type-str\">\u7d44\u307f\u8fbc\u307f\u578b<\/a>\u3067\u3042\u3063\u3066\u3082\u305d\u306e\u307e\u307e\u3067\u306f\u578b\u30d2\u30f3\u30c8\u3092\u304b\u3051\u306a\u3044\u3082\u306e\u304c\u7d50\u69cb\u3042\u308a\u307e\u3059\u3002<br \/>\n\u305d\u306e\u5834\u5408\u306f<code>typing<\/code>\u30e2\u30b8\u30e5\u30fc\u30eb\u304b\u3089\u5fc5\u8981\u306a\u578b\u3092import\u3057\u3066\u4f7f\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre><code class=\"language-python\"># \u578b\u3092import\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\nfrom typing import List, Dict, Tuple, Set\n\nset: Set[str] = set()\nlist: List[str] = []<\/code><\/pre>\n<p>[2020\/10\/23 \u8ffd\u8a18] python3.9\u304b\u3089\u7d44\u307f\u8fbc\u307f\u578b\u306f\u500b\u5225\u306bimport\u3057\u306a\u304f\u3066\u3082\u578b\u30d2\u30f3\u30c8\u306b\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u305d\u3046\u3067\u3059\u3002<a href=\"https:\/\/www.python.jp\/pages\/python3.9.html#%E7%B5%84%E3%81%BF%E8%BE%BC%E3%81%BFGeneric%E5%9E%8B\">\u3053\u3061\u3089<\/a>\u3092\u53c2\u7167\u3002<\/p>\n<h3>for\u6587\u306e\u5909\u6570\u306b\u306f\u578b\u30d2\u30f3\u30c8\u306f\u4f7f\u3048\u306a\u3044<\/h3>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067for\u6587\u306e\u5909\u6570\u306b<code>str<\/code>\u3068\u3044\u3046\u578b\u3092\u6307\u5b9a\u3057\u3088\u3046\u3068\u3057\u3066\u3082\u3001<code>SyntaxError<\/code>\u3067\u6012\u3089\u308c\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-python\">for word: str in get_words():\n    print(word)<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>python\u306f\u52d5\u7684\u578b\u4ed8\u3051\u8a00\u8a9e\u3067\u3059\u304c\u3001\u30d0\u30fc\u30b8\u30e7\u30f33.5\u3067\u578b\u30d2\u30f3\u30c8\u304c\u5c0e\u5165\u3055\u308c\u305f\u3053\u3068\u306b\u3088\u308a\u3001\u9759\u7684\u578b\u4ed8\u3051\u8a00\u8a9e\u3063\u307d\u304f\u958b\u767a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002 \u305f\u3060\u3057\u3001\u516c\u5f0f\u30da\u30fc\u30b8 \u306b\u3082\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u3044\u3066\u3042\u308b\u3088\u3046\u306b\u3001 Python \u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u3001\u95a2\u6570\u3084\u5909\u6570\u306e\u578b\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u5f37\u5236\u3057\u307e\u305b\u3093\u3002 \u578b\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u578b\u30c1\u30a7\u30c3\u30ab\u30fc\u3001IDE\u3001linter\u306a\u3069\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30fc\u30c4\u30fc\u30eb\u3067\u4f7f\u308f\u308c\u307e\u3059\u3002 \u578b\u30d2\u30f3\u30c8\u81ea\u4f53\u306f\u3042\u304f\u307e\u3067\u30b3\u30e1\u30f3\u30c8\u306e\u5ef6\u9577\u3067\u3042\u308a\u52d5\u4f5c\u306b\u306f\u4e00\u5207\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u305b\u3093\u3002\u578b\u30c1\u30a7\u30c3\u30ab\u30fc\u3001IDE\u3001linter\u306a\u3069\u306e\u30c4\u30fc\u30eb\u306b\u3088\u3063\u3066\u5229\u7528\u3055\u308c\u307e\u3059\u3002 \u578b\u30d2\u30f3\u30c8\u306e\u5c0e\u5165\u306b\u95a2\u3057\u3066\u306f\u30e1\u30ea\u30c3\u30c8\u3057\u304b\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u5c0e\u5165\u3057\u3066\u5feb\u9069\u306apython life\u3092\u304a\u304f\u308a\u307e\u3057\u3087\u3046\u3002 \u578b\u30d2\u30f3\u30c8\u306e\u30e1\u30ea\u30c3\u30c8 \u578b\u30d2\u30f3\u30c8\u3092\u5c0e\u5165\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u306f3\u3064\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002 \u30b3\u30fc\u30c9\u30c1\u30a7\u30c3\u30af \u5165\u529b\u5019\u88dc\u306e\u8868\u793a \u53ef\u8aad\u6027\u5411\u4e0a \u30b3\u30fc\u30c9\u30c1\u30a7\u30c3\u30af \u578b\u30d2\u30f3\u30c8\u306e\u6700\u5927\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u9759\u7684\u578b\u30c1\u30a7\u30c3\u30af\u3060 <a href=\"http:\/\/localhost:8000\/2019\/10\/python-typing.html\" class=\"read-more button-fancy -red\"><span class=\"btn-arrow\"><\/span><span class=\"twp-read-more text\">Continue Reading<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[],"_links":{"self":[{"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/posts\/306"}],"collection":[{"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/comments?post=306"}],"version-history":[{"count":1,"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/posts\/306\/revisions"}],"predecessor-version":[{"id":307,"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/posts\/306\/revisions\/307"}],"wp:attachment":[{"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/media?parent=306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/categories?post=306"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/tags?post=306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}