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【Python】SeleniumでHeadless Firefoxを使おう

Last updated at Posted at 2018-09-05

目次

準備

  • selenium
  • Firefox (今回はDeveloper Editionを使用します)
  • geckodriver (Firefoxドライバー)

selenium

pipでもcondaでもインストール可能です。

>> pip install selenium
>> conda install selenium

geckodriver

condaで導入すれば,pythonパッケージと同様にバージョン管理ができるほか,パスを設定する必要もないので楽です。(pipでもあるかも)他にも,brewでインストールする方法などがあります。

>> conda install -c conda-forge geckodriver
>> brew install geckodriver

コード例

Google検索画面のHTMLを取得し表示します。

from selenium import webdriver
from selenium.webdriver.firefox.options import Options

# ブラウザーを起動
options = Options()
options.binary_location = '/Applications/Firefox Developer Edition.app/Contents/MacOS/firefox'
options.add_argument('-headless')
driver = webdriver.Firefox(firefox_options=options)

# Google検索画面にアクセス
driver.get('https://www.google.co.jp/')

# htmlを取得・表示
html = driver.page_source
print(html)

# ブラウザーを終了
driver.quit()

その他のヘッドレスブラウザ

Chrome → https://qiita.com/derodero24/items/9e9567790bde9e4b9d0c
Splash → https://qiita.com/derodero24/items/a181cd34b081bee055c7

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