{"id":212,"date":"2020-08-09T10:09:02","date_gmt":"2020-08-09T01:09:02","guid":{"rendered":"http:\/\/localhost:8000\/?p=212"},"modified":"2021-01-16T10:14:48","modified_gmt":"2021-01-16T01:14:48","slug":"pyppeteer-manual","status":"publish","type":"post","link":"http:\/\/localhost:8000\/2020\/08\/pyppeteer-manual.html","title":{"rendered":"pyppeteer\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"<p><a href=\"https:\/\/github.com\/pyppeteer\/pyppeteer\">pyppeteer<\/a>\u306f\u3001npm\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3042\u308b<a href=\"https:\/\/github.com\/puppeteer\/puppeteer\">puppeteer<\/a>\u3092python\u306b\u79fb\u690d\u3057\u305f\u3082\u306e\u3067\u3059\u3002<br \/>\n\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30d8\u30c3\u30c9\u30ec\u30b9\u30d6\u30e9\u30a6\u30b6\uff08chromium\uff09\u3092\u958b\u304f<\/li>\n<li>\u5b9f\u969b\u306b\u30d6\u30e9\u30a6\u30b6\u5185\u3067\u30da\u30fc\u30b8\u3092\u8aad\u307f\u8fbc\u3080<\/li>\n<li>CSS\u30bb\u30ec\u30af\u30bf\u3067HTML\u30a8\u30ec\u30e1\u30f3\u30c8\u3092\u53d6\u5f97\u3059\u308b<\/li>\n<li>HTML\u30a8\u30ec\u30e1\u30f3\u30c8\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u753b\u9762\u9077\u79fb\u3059\u308b<\/li>\n<li>JavaScript\u3082\u5b9f\u884c\u3055\u308c\u308b\u306e\u3067\u52d5\u7684\u306b\u63cf\u753b\u3055\u308c\u305f\u5f8c\u306eHTML\u3092\u53d6\u5f97\u3059\u308b<\/li>\n<li>Cookie\u3082\u5171\u6709\u3055\u308c\u308b\u306e\u3067\u3001Cookie\u3084\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u306a\u30b5\u30a4\u30c8\u306e\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3082\u3067\u304d\u308b<\/li>\n<\/ul>\n<h2>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h2>\n<pre><code class=\"language-sh\">pip install pyppeteer\n# or\npoetry add pyppeteer<\/code><\/pre>\n<h2>\u30b7\u30f3\u30d7\u30eb\u306a\u4f7f\u3044\u65b9<\/h2>\n<p><a href=\"http:\/\/quotes.toscrape.com\/login\">\u3053\u3061\u3089<\/a>\u306e\u30b5\u30a4\u30c8\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<pre><code class=\"language-python\">import asyncio\nfrom pyppeteer.launcher import launch\nfrom pyppeteer.page import Page, Response\nfrom pyppeteer.browser import Browser\nfrom pyppeteer.element_handle import ElementHandle\nfrom typing import List, Any\n\ndef main():\n    html: str = asyncio.get_event_loop().run_until_complete(extract_html())\n    print(html)\n\nasync def extract_html() -&gt; str:\n    # \u30d6\u30e9\u30a6\u30b6\u3092\u8d77\u52d5\u3002headless=False\u306b\u3059\u308b\u3068\u5b9f\u969b\u306b\u8868\u793a\u3055\u308c\u308b\n    browser: Browser = await launch()\n    try:\n        page: Page = await browser.newPage()\n\n        # \u30ed\u30b0\u30a4\u30f3\u753b\u9762\u306b\u9077\u79fb\n        response: Response = await page.goto(&#039;http:\/\/quotes.toscrape.com\/login&#039;)\n        if response.status != 200:\n            raise RuntimeError(f&#039;site is not available. status: {response.status}&#039;)\n\n        # Username\u30fbPassword\u3092\u5165\u529b\n        await page.type(&#039;#username&#039;, &#039;hoge&#039;)\n        await page.type(&#039;#password&#039;, &#039;fuga&#039;)\n        login_btn: ElementHandle = await page.querySelector(&#039;form input.btn&#039;)\n\n        # Login\u30dc\u30bf\u30f3\u30af\u30ea\u30c3\u30af\n        results: List[Any] = await asyncio.gather(login_btn.click(), page.waitForNavigation())\n        if results[1].status != 200:\n            raise RuntimeError(f&#039;site is not available. status: {response.status}&#039;)\n\n        # \u30ed\u30b0\u30a4\u30f3\u5f8c\u306e\u753b\u9762\u306eHTML\u53d6\u5f97\n        html: str = await page.content()\n\n        return html\n    finally:\n        await browser.close()\n\nif __name__ == &quot;__main__&quot;:\n    main()<\/code><\/pre>\n<p>\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>pyppeteer\u306b\u95a2\u3059\u308b\u51e6\u7406\u306f\u5168\u3066\u975e\u540c\u671f\u3067\u5b9f\u884c\u3055\u308c\u308b\u305f\u3081\u3001\u5fd8\u308c\u305a\u306b<code>await<\/code>\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b<\/li>\n<li><code>goto<\/code>\u3067\u753b\u9762\u9077\u79fb\u3057\u305f\u5834\u5408\u306fResponse\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d7\u3051\u53d6\u308c\u308b\u3002\u305f\u3060\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30e9\u30fc\u306a\u3069\u306eResponse\u304c\u53d6\u5f97\u3067\u304d\u306a\u3044\u72b6\u6cc1\u306e\u5834\u5408\u306f\u3001\u30a8\u30e9\u30fc\u304craise\u3055\u308c\u308b<\/li>\n<li>\u30dc\u30bf\u30f3\u30af\u30ea\u30c3\u30af\u3057\u305f\u3044\u5834\u5408\u306f\u3001selector\u3067\u30a8\u30ec\u30e1\u30f3\u30c8\u3092\u53d6\u5f97\u3057\u3066\u30a8\u30ec\u30e1\u30f3\u30c8\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b<\/li>\n<li>\u30af\u30ea\u30c3\u30af\u5f8c\u306e\u753b\u9762\u9077\u79fb\u3084\u7279\u5b9a\u306e\u30a8\u30ec\u30e1\u30f3\u30c8\u306e\u63cf\u753b\u3092\u5f85\u3061\u5408\u308f\u305b\u305f\u3044\u5834\u5408\u306f\u3001<code>asyncio.gather()<\/code>\u3092\u4f7f\u3063\u3066\u8907\u6570\u306e\u975e\u540c\u671f\u51e6\u7406\u3092\u5f85\u3061\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308b\n<ul>\n<li><code>asyncio.gather()<\/code>\u306f\u8907\u6570\u306e\u975e\u540c\u671f\u51e6\u7406\u306e\u623b\u308a\u5024\u3092List\u5f62\u5f0f\u3067\u53d7\u3051\u53d6\u308c\u308b\u3002\u9806\u756a\u306f\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305f\u9806\u756a\u3068\u306a\u308b<\/li>\n<li>\u753b\u9762\u9077\u79fb\u3092\u5f85\u3061\u5408\u308f\u305b\u308b\u5834\u5408\u306f<code>page.waitForNavigation()<\/code>\u3092\u3001\u7279\u5b9a\u306e\u30a8\u30ec\u30e1\u30f3\u30c8\u306e\u63cf\u753b\u3092\u5f85\u3061\u5408\u308f\u305b\u305f\u3044\u5834\u5408\u306f<code>page.waitForSelector()<\/code>\u3092\u5229\u7528\u3059\u308b<\/li>\n<li>\u3061\u306a\u307f\u306b\u3001\u30af\u30ea\u30c3\u30af\u5f8c\u306b\u753b\u9762\u9077\u79fb\u3092\u5f85\u3061\u5408\u308f\u305b\u305a\u306b<code>page.content()<\/code>\u3067HTML\u3092\u53d6\u5f97\u3057\u3088\u3046\u3068\u3059\u308b\u3068<code>pyppeteer.errors.NetworkError: Execution context was destroyed, most likely because of a navigation.<\/code>\u3068\u3044\u3046\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u30de\u30eb\u30c1\u30d7\u30ed\u30bb\u30b9\u3067\u5b9f\u884c<\/h2>\n<p>\u30da\u30fc\u30b8\u6570\u306e\u591a\u3044\u30b5\u30a4\u30c8\u3092\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3059\u308b\u3053\u3068\u306b\u306a\u3063\u305f\u3089\u3001\u5206\u6563\u51e6\u7406\u3067\u4e00\u6c17\u306b\u51e6\u7406\u3092\u5b9f\u884c\u3057\u305f\u304f\u306a\u308b\u3053\u3068\u3082\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u5148\u307b\u3069\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u30b1\u30fc\u30b9\u3092\u30de\u30eb\u30c1\u30d7\u30ed\u30bb\u30b9\u3067\u4e00\u6c17\u306b\u52d5\u304b\u3057\u3066\u5b9f\u969b\u306b\u52d5\u304f\u304b\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u3053\u3061\u3089\u3082\u554f\u984c\u306a\u304f\u52d5\u304d\u307e\u3057\u305f\u3002<\/p>\n<pre><code class=\"language-python\">import asyncio\nfrom pyppeteer.launcher import launch\nfrom pyppeteer.page import Page, Response\nfrom pyppeteer.browser import Browser\nfrom pyppeteer.element_handle import ElementHandle\nfrom typing import List, Any\n\nfrom concurrent import futures\nfrom concurrent.futures import Future\n\ndef main():\n    future_list: List[Future] = []\n    htmls: List[str] = []\n    with futures.ProcessPoolExecutor(max_workers=2) as executor:\n        for i in range(10):\n            future_list.append(executor.submit(pallalel_func))\n\n        for future in futures.as_completed(fs=future_list):\n            htmls.append(future.result())\n\n    print(f&#039;htmls count: {len(htmls)}&#039;)\n\ndef pallalel_func() -&gt; str:\n    return asyncio.get_event_loop().run_until_complete(extract_html())\n\nasync def extract_html() -&gt; str:\n    # \u300c\u30b7\u30f3\u30d7\u30eb\u306a\u4f7f\u3044\u65b9\u300d\u3068\u540c\u4e00\u306a\u306e\u3067\u7701\u7565\n\nif __name__ == &quot;__main__&quot;:\n    main()<\/code><\/pre>\n<p>\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u3067\u3059\u3002<\/p>\n<ul>\n<li><code>ProcessPoolExecutor<\/code>\u3092\u4f7f\u3063\u3066\u30de\u30eb\u30c1\u30d7\u30ed\u30bb\u30b9\u3067\u52d5\u304b\u3057\u3066\u3044\u308b\u304c\u3001<code>executor.submit()<\/code>\u306e\u5f15\u6570\u306b\u306f\u30b3\u30eb\u30fc\u30c1\u30f3\u95a2\u6570\uff08async\u304c\u3064\u3044\u305f\u95a2\u6570\uff09\u306f\u4f7f\u3048\u306a\u3044\u306e\u3067\u3001<code>pallalel_func<\/code>\u3068\u3044\u3046\u95a2\u6570\u3092\u9593\u306b\u631f\u3093\u3067\u3044\u308b\n<ul>\n<li>\u30b3\u30eb\u30fc\u30c1\u30f3\u95a2\u6570\u3092\u5f15\u6570\u306b\u6307\u5b9a\u3059\u308b\u3068\u3001<code>TypeError: cannot pickle &#039;coroutine&#039; object<\/code>\u3068\u3044\u3046\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Linux\u4e0a\u3067\u5b9f\u884c<\/h2>\n<p>Dataproc\u3092\u4f7f\u3063\u3066PySpark\u30af\u30e9\u30b9\u30bf\u69cb\u6210\u306e\u30ef\u30fc\u30ab\u30fc\u30ce\u30fc\u30c9\u5074\u3067\u5206\u6563\u3057\u3066\u51e6\u7406\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001Mac OS X\u3060\u3068\u3046\u307e\u304f\u52d5\u304f\u306e\u3067\u3059\u304c\u3001Linux\uff08Ubuntu 18.04 LTS\uff09\u3060\u3068\u3046\u307e\u304f\u52d5\u304b\u306a\u3044\u90e8\u5206\u304c\u305f\u304f\u3055\u3093\u51fa\u3066\u304d\u3066\u5927\u5909\u3067\u3057\u305f\u3002\u4ee5\u4e0b\u306e\uff12\u3064\u306f\u89e3\u6c7a\u306b\u5c11\u3057\u6642\u9593\u304c\u304b\u304b\u3063\u305f\u306e\u3067\u7d39\u4ecb\u3057\u3066\u304a\u304d\u307e\u3059\u3002<br \/>\n\u3061\u306a\u307f\u306b\u3001\u5b9f\u88c5\u81ea\u4f53\u306fMac OS X\u4e0a\u3067\u52d5\u304b\u3057\u3066\u3044\u308b\u6642\u3068\u7279\u306b\u5909\u66f4\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>pyppeteer.errors.BrowserError: Browser closed unexpectedly<\/h3>\n<p><code>launch<\/code>\u51e6\u7406\u3067\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u306e\u3067\u3059\u304c\u3001\u307e\u3063\u305f\u304f\u539f\u56e0\u304c\u30ed\u30b0\u306b\u51fa\u529b\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u5b9f\u88c5\u3092\u898b\u308b\u3068\u30d6\u30e9\u30a6\u30b6\u306eWebSocket\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u53d6\u5f97\u3057\u3088\u3046\u3068\u3057\u3066\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<pre><code>  File &quot;\/opt\/conda\/default\/lib\/python3.7\/site-packages\/pyppeteer\/launcher.py&quot;, line 305, in launch\n    return await Launcher(options, **kwargs).launch()\n  File &quot;\/opt\/conda\/default\/lib\/python3.7\/site-packages\/pyppeteer\/launcher.py&quot;, line 166, in launch\n    self.browserWSEndpoint = get_ws_endpoint(self.url)\n  File &quot;\/opt\/conda\/default\/lib\/python3.7\/site-packages\/pyppeteer\/launcher.py&quot;, line 225, in get_ws_endpoint\n    raise BrowserError(&#039;Browser closed unexpectedly:\\n&#039;)\npyppeteer.errors.BrowserError: Browser closed unexpectedly:<\/code><\/pre>\n<p>\u305d\u3053\u3067\u3001chromium\u3092\u5b9f\u884c\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3092\u76f4\u63a5\u5b9f\u884c\u3059\u308b\u51e6\u7406\u3092\u66f8\u3044\u3066\u3001\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<pre><code class=\"language-python\">from pyppeteer.launcher import Launcher\nimport os\n\ncmd: str = &quot; &quot;.join(Launcher().cmd)\nprint(f&#039;cmd: {cmd}&#039;)\nos.system(cmd)<\/code><\/pre>\n<p>\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30ed\u30b0\u304c\u51fa\u529b\u3055\u308c\u305f\u305f\u3081\u3001<code>libatk-1.0.so.0<\/code>\u304c\u5b58\u5728\u3057\u306a\u3044\u3053\u3068\u304c\u771f\u306e\u539f\u56e0\u3068\u3044\u3046\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n<pre><code>A 2020-08-07T01:46:22.313971522Z cmd: \/home\/.local\/share\/pyppeteer\/local-chromium\/588429\/chrome-linux\/chrome --disable-background-networking --disable-background-timer-throttling --disable-breakpad --disable-browser-side-navigation --disable-client-side-phishing-detection --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-features=site-per-process --disable-hang-monitor --disable-popup-blocking --disable-prompt-on-repost --disable-sync --disable-translate --metrics-recording-only --no-first-run --safebrowsing-disable-auto-update --enable-automation --password-store=basic --use-mock-keychain --headless --hide-scrollbars --mute-audio about:blank --remote-debugging-port=42815 --user-data-dir=\/home\/.local\/share\/pyppeteer\/.dev_profile\/tmp2xd0ki_i \nA 2020-08-07T01:46:22.318604089Z error while loading shared libraries: libatk-1.0.so.0: cannot open shared object file: No such file or directory <\/code><\/pre>\n<p>\u3067\u3001\u7d50\u5c40\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306bUbuntu\u306b\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8ffd\u52a0\u3057\u3066\u3042\u3052\u308b\u3053\u3068\u3067\u3053\u306e\u554f\u984c\u306f\u89e3\u6c7a\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<pre><code class=\"language-sh\">sudo apt-get update\nsudo apt-get install -y libatk1.0-0\nsudo apt-get install -y libatk-bridge2.0-0\nsudo apt-get install -y libgtk-3-0<\/code><\/pre>\n<h3>ssl.SSLError: (&quot;bad handshake: Error([('SSL routines', 'tls_process_server_certificate', 'certificate verify failed')])&quot;,)<\/h3>\n<p><a href=\"https:\/\/github.com\/miyakogi\/pyppeteer\/issues\/258\">issue<\/a>\u306b\u3082\u4e0a\u304c\u3063\u3066\u3044\u3066\u3001<code>urllib3 (1.25).<\/code> \u306e\u554f\u984c\u3089\u3057\u3044\u3067\u3059\u3002<\/p>\n<p>\u30d1\u30c3\u30c1\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002<code>pip install pyppdf<\/code>\u3057\u3066\u3001<code>launch<\/code>\u3092import\u3059\u308b\u524d\u306b\u30d1\u30c3\u30c1\u3092\u5f53\u3066\u307e\u3057\u305f\u304c\u3001\u9069\u7528\u65b9\u6cd5\u304c\u9593\u9055\u3063\u3066\u308b\u306e\u304b\u30a8\u30e9\u30fc\u306f\u89e3\u6c7a\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<pre><code>import pyppdf.patch_pyppeteer\nfrom pyppeteer import launch<\/code><\/pre>\n<p>\u4ed5\u65b9\u306a\u3044\u306e\u3067\u3001\u5c11\u3057\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7684\u306b\u306f\u6016\u3044\u306e\u3067\u3059\u304c\u3001urllib3\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u30921.24.3\u306b\u843d\u3068\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u3046\u307e\u304f\u52d5\u304f\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2>\u305d\u306e\u4ed6Tips<\/h2>\n<h3>chromium\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3059\u308b<\/h3>\n<p>chromium\u306e<a href=\"https:\/\/peter.sh\/experiments\/chromium-command-line-switches\/\">\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30aa\u30d7\u30b7\u30e7\u30f3<\/a>\u306f\u8272\u3005\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3057\u3066\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002ignoreDefaultArgs\u3067\u4e00\u65e6\u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u3092\u7121\u8996\u3057\u305f\u4e0a\u3067\u3001\u8ffd\u52a0\u3057\u305f\u3044\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u8a2d\u5b9a\u3059\u308b\u611f\u3058\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-python\">browser: Browser = await launch(\n    ignoreDefaultArgs=True,\n    args=[&#039;--disable-gpu&#039;, &#039;--user-data-dir=\/tmp&#039;]\n)<\/code><\/pre>\n<h3>a\u30bf\u30b0\u306e\u30a8\u30ec\u30e1\u30f3\u30c8\u3092click()\u3057\u3066\u3082\u4f55\u6545\u304b\u753b\u9762\u9077\u79fb\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308b<\/h3>\n<p>\u4f55\u6545\u304ba\u30bf\u30b0\u304c\u3046\u307e\u304f\u63cf\u753b\u3055\u308c\u305a\u3001a\u30bf\u30b0\u306eHtmlElement\u3092\u53d6\u5f97\u3057\u3066click()\u3057\u3066\u3082\u753b\u9762\u9077\u79fb\u304c\u767a\u751f\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3057\u305f\u3002a\u30bf\u30b0\u306eHtmlElement\u306f\u6b63\u5e38\u306b\u53d6\u5f97\u3067\u304d\u3066\u3044\u305f\u305f\u3081\u305d\u306e\u30b1\u30fc\u30b9\u306f<code>element.click()<\/code>\u3067\u306f\u306a\u304f<code>page.goto()<\/code>\u3067\u753b\u9762\u9077\u79fb\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u611f\u3058\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-python\">link_element: ElementHandle = await page.querySelector(&#039;.hoge .fuga a&#039;)\nhref_property: JSHandle = await element.getProperty(&#039;href&#039;)\nhref_value: str = str(await href_property.jsonValue()).strip()\nif href_value.startswith((&#039;http:\/\/&#039;, &#039;https:\/\/&#039;)):\n    await page.goto(href_value)\nelse:\n    await link_element.click()<\/code><\/pre>\n<h3><code>page.goto()<\/code>\u306b\u3088\u308b\u753b\u9762\u9077\u79fb\u306e\u5f85\u3061\u5408\u308f\u305b<\/h3>\n<p>\u4e0a\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u3001<code>element.click()<\/code>\u306e\u65b9\u306e\u5f85\u3061\u5408\u308f\u305b\u306e\u65b9\u6cd5\u306f\u8efd\u304f\u7d39\u4ecb\u3057\u305f\u306e\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u306f<code>page.goto()<\/code>\u306b\u3088\u308b\u5f85\u3061\u5408\u308f\u305b\u306e\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059<\/p>\n<h4>waitUntil\u3067\u7279\u5b9a\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u5f85\u3064<\/h4>\n<p><code>page.goto()<\/code>\u306f<code>waitUntil<\/code>\u3068\u3044\u3046\u5f15\u6570\u3067\u3044\u3064\u307e\u3067\u5f85\u3064\u304b\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002waitUntil\u306b\u306f\u6700\u59274\u3064\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>load: load\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u706b\u3059\u308b\u307e\u3067<\/li>\n<li>domcontentloaded: DOMContentLoaded\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u706b\u3059\u308b\u307e\u3067<\/li>\n<li>networkidle0: network\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u304c0\u500b\u306b\u306a\u3063\u3066500msec\u7d4c\u3064\u307e\u3067<\/li>\n<li>networkidle2: network\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u304c2\u500b\u306b\u306a\u3063\u3066500msec\u7d4c\u3064\u307e\u3067<\/li>\n<\/ul>\n<p>\u81ea\u5206\u306e\u5834\u5408\u306f\u5b89\u5168\u3081\u306b\u3001\u753b\u50cf\u3084\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u5168\u90e8\u8aad\u307f\u8fbc\u307e\u308c\u3066<code>load<\/code>\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u706b\u3057\u3001\u304b\u3064\u30010\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306b\u306a\u3063\u3066500msec\u7d4c\u3064\u3068\u3044\u3046\u8a2d\u5b9a\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-python\">await page.goto(&#039;http:\/\/quotes.toscrape.com&#039;, waitUntil=[&#039;load&#039;, &#039;networkidle0&#039;])<\/code><\/pre>\n<h4><code>page.waitForSelector<\/code>\u3067\u7279\u5b9a\u306e\u30a8\u30ec\u30e1\u30f3\u30c8\u306e\u51fa\u73fe\u3092\u5f85\u3064<\/h4>\n<p>\u4f8b\u3048\u3070next\u30ea\u30f3\u30af\u304c\u51fa\u73fe\u3059\u308b\u307e\u3067\u5f85\u3061\u5408\u308f\u305b\u305f\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b<code>asyncio.gather()<\/code>\u3092\u4f7f\u3063\u3066\u5b9f\u88c5\u3057\u307e\u3059\u3002\u3053\u306e\u623b\u308a\u5024\u306f\u5f15\u6570\u306e\u9806\u756a\u306b\u683c\u7d0d\u3055\u308c\u308b\u305f\u3081\u3001\u3053\u306e\u5834\u5408\u306findex=0\u304c<code>page.goto()<\/code>\u306e\u7d50\u679c\u306eResponse\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-python\">results: List[Any] = await asyncio.gather(\n    page.goto(&#039;http:\/\/quotes.toscrape.com&#039;, waitUntil=[&#039;load&#039;, &#039;networkidle0&#039;]),\n    page.waitForSelector(&#039;document.querySelector(&#039;li.next&#039;)&#039;)\n)\nresponse: Optional[Response] = results[0]<\/code><\/pre>\n<h4><code>page.waitForFunction<\/code>\u3067\u6307\u5b9a\u3057\u305fJavaScript\u306e\u95a2\u6570\u304cTrue\u3092\u8fd4\u3059\u307e\u3067\u5f85\u3064<\/h4>\n<p>JavaScript\u306e\u95a2\u6570\u304cTrue\u3092\u8fd4\u3059\u307e\u3067\u5f85\u3064\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002<code>waitForSelector<\/code>\u306e\u4f8b\u3068\u540c\u69d8\u306b\u3001next\u30ea\u30f3\u30af\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3092\u5f85\u3061\u305f\u3044\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5b9f\u88c5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-python\">await asyncio.gather(\n    page.goto(&#039;http:\/\/quotes.toscrape.com&#039;, waitUntil=[&#039;load&#039;, &#039;networkidle0&#039;]),\n    page.waitForFunction(&#039;() =&gt; { return document.querySelector(&quot;li.next&quot;) != null; }&#039;)\n)<\/code><\/pre>\n<h3>\u30d5\u30a1\u30a4\u30eb\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/h3>\n<p>\u4ee5\u524d\u8a66\u3057\u305f\u6642\u306f\u8abf\u67fb\u304c\u8db3\u308a\u305a\u30d5\u30a1\u30a4\u30eb\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306f\u8ae6\u3081\u305f\u306e\u3067\u3059\u304c\u3001\u300c\u30ea\u30af\u30a8\u30b9\u30c8\u30a4\u30d9\u30f3\u30c8\u306e\u5185\u5bb9\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u3066\u305d\u306e\u5185\u5bb9\u3067requests\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u5225\u9014\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3059\u308b\u300d\u3068\u3044\u3046\u5f62\u3067\u30d5\u30a1\u30a4\u30eb\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3057\u305f\u3002\u5225\u8a18\u4e8b\u3092\u8d77\u3053\u3057\u3066\u307e\u3059\u306e\u3067\u3001\u305d\u3061\u3089\u3092\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<br \/>\n<a href=\"https:\/\/rinoguchi.net\/2020\/12\/pyppeteer-fire-download.html\">https:\/\/rinoguchi.net\/2020\/12\/pyppeteer-fire-download.html<\/a><\/p>\n<h2>\u30ea\u30dd\u30b8\u30c8\u30ea<\/h2>\n<p>\u4eca\u56de\u691c\u8a3c\u3057\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306f\u5168\u3066github\u306b\u3042\u3052\u3066\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u5fc5\u8981\u304c\u3042\u308c\u3070<a href=\"https:\/\/github.com\/rinoguchi\/python_scraping_sample\">\u3053\u3061\u3089<\/a>\u3092\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u3055\u3044\u3054\u306b<\/h2>\n<p>javascript\u306e\u4e16\u754c\u3067\u306f\u3001puppeteer\u306e\u307b\u3046\u304cselenium\u3088\u308a\u9ad8\u901f\u3060\u3057\u5b89\u5b9a\u6027\u304c\u3042\u308b\u3057\u65b0\u3057\u3044\u3057\u5727\u5012\u7684\u306b\u4eba\u6c17\u306a\u306e\u3067\u3001\u3042\u307e\u308a\u6df1\u304f\u8003\u3048\u305a\u306bpyppeteer\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u306e\u3067\u3059\u304c\u3001\u7279\u306b\u4eca\u306e\u3068\u3053\u308d\u306f\u554f\u984c\u306f\u306a\u3055\u305d\u3046\u3067\u3059\u3002<br \/>\npython\u3067async\/await\u3067\u975e\u540c\u671f\u51e6\u7406\u3092\u540c\u671f\u7684\u306b\u66f8\u304f\u306e\u306f\u521d\u3081\u3066\u3060\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u307b\u307cjavascript\u3068\u540c\u3058\u30ce\u30ea\u3067\u304b\u3051\u308b\u306e\u3067\u305d\u3053\u3082\u3059\u3050\u6163\u308c\u307e\u3057\u305f\u3002<br \/>\npython\u3067\u30d8\u30c3\u30c9\u30ec\u30b9\u30d6\u30e9\u30a6\u30b6\u304c\u5fc5\u8981\u306a\u72b6\u6cc1\u306a\u3089\u3001\u81ea\u5206\u306e\u4e2d\u3067\u306fpyppeteer\u306f\u7b2c\u4e00\u5019\u88dc\u3067\u554f\u984c\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>pyppeteer\u306f\u3001npm\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3042\u308bpuppeteer\u3092python\u306b\u79fb\u690d\u3057\u305f\u3082\u306e\u3067\u3059\u3002 \u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u30d8\u30c3\u30c9\u30ec\u30b9\u30d6\u30e9\u30a6\u30b6\uff08chromium\uff09\u3092\u958b\u304f \u5b9f\u969b\u306b\u30d6\u30e9\u30a6\u30b6\u5185\u3067\u30da\u30fc\u30b8\u3092\u8aad\u307f\u8fbc\u3080 CSS\u30bb\u30ec\u30af\u30bf\u3067HTML\u30a8\u30ec\u30e1\u30f3\u30c8\u3092\u53d6\u5f97\u3059\u308b HTML\u30a8\u30ec\u30e1\u30f3\u30c8\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u753b\u9762\u9077\u79fb\u3059\u308b JavaScript\u3082\u5b9f\u884c\u3055\u308c\u308b\u306e\u3067\u52d5\u7684\u306b\u63cf\u753b\u3055\u308c\u305f\u5f8c\u306eHTML\u3092\u53d6\u5f97\u3059\u308b Cookie\u3082\u5171\u6709\u3055\u308c\u308b\u306e\u3067\u3001Cookie\u3084\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u306a\u30b5\u30a4\u30c8\u306e\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3082\u3067\u304d\u308b \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb pip install pyppeteer # or poetry add pyppeteer \u30b7\u30f3\u30d7\u30eb\u306a\u4f7f\u3044\u65b9 \u3053\u3061\u3089\u306e\u30b5\u30a4\u30c8\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u305f\u3002 import asyncio from pyppeteer.launcher import launch from pyppeteer. <a href=\"http:\/\/localhost:8000\/2020\/08\/pyppeteer-manual.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":[8,7,9],"tags":[],"_links":{"self":[{"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/posts\/212"}],"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=212"}],"version-history":[{"count":1,"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/posts\/212\/revisions"}],"predecessor-version":[{"id":213,"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/posts\/212\/revisions\/213"}],"wp:attachment":[{"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/media?parent=212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/categories?post=212"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/localhost:8000\/wp-json\/wp\/v2\/tags?post=212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}