ChromeDriver を自動更新する Python スクリプト
投稿者: ytyng 1年, 6ヶ月 前
最新版の ChromeDrier と適合するテスト版 Chrome をインストールするスクリプトを書いた。 (バージョン115以上対応)
sudo パスワードの入力を求めます。
#!/usr/bin/env python3
"""
ChromeDriver と Chrome テスト版を自動更新するスクリプト
"""
import getpass
import shutil
import subprocess
import pathlib
from contextlib import contextmanager
import requests
import os
USER_AGENT = '@ytyng/upgrade_chromedriver'
default_request_headers = {
'User-Agent': USER_AGENT
}
DOWNLOAD_DIR = os.path.expanduser('~/Downloads')
@contextmanager
def set_directory(path: pathlib.Path):
"""Sets the cwd within the context
Args:
path (Path): The path to the cwd
Yields:
None
"""
origin = pathlib.Path().absolute()
try:
os.chdir(path)
yield
finally:
os.chdir(origin)
def get_cpu_architecture() -> str:
"""
CPU のアーキテクチャを取得する
"""
return subprocess.run(
['uname', '-m'],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT
).stdout.decode('utf-8').strip()
def get_current_machine_platform():
"""
JSON の platform に適合する文字列を返す。
mac-arm64, mac-x64 の他に、linux64, win32, win64 があるが、
現状は mac のみ対応する。
"""
a = get_cpu_architecture()
if a == 'arm64':
return 'mac-arm64'
else:
return 'mac-x64'
json_url = 'https://googlechromelabs.github.io/chrome-for-testing/known-good-versions-with-downloads.json'
_rdata = requests.get(json_url, headers=default_request_headers).json()
# chrome と chromedriver が両方存在するもののみにフィルター
_versions = [v for v in _rdata['versions'] if
v['downloads'].get('chromedriver') and v['downloads'].get(
'chrome')]
_versions = sorted(_versions,
key=lambda x: tuple(map(int, x['version'].split('.'))),
reverse=True)
def download_latest_version(version_dict, app_name: str):
"""
ファイルをダウンロードする
:param app_name: str 'chrome' or 'chromedriver'
"""
print(f'Downloading {app_name}...')
_platform = get_current_machine_platform()
target_url = [d for d in version_dict['downloads'][app_name] if
d['platform'] == _platform][0]['url']
file_binary = requests.get(target_url, headers=default_request_headers)
file_name = DOWNLOAD_DIR + '/' + target_url.split('/')[-1]
with open(file_name, 'wb') as f:
f.write(file_binary.content)
print('Downloaded:', file_name)
# 最新版
download_latest_version(_versions[0], 'chrome')
download_latest_version(_versions[0], 'chromedriver')
print('Input sudo password')
sudo_password = (getpass.getpass() + '\n').encode()
def _install_chromedriver(sudo_password):
print('Installing chromedriver...', flush=True)
_platform = get_current_machine_platform()
_zip_file_path = f'{DOWNLOAD_DIR}/chromedriver-{_platform}.zip'
_extracted_dir_path = f'{DOWNLOAD_DIR}/chromedriver-{_platform}'
with set_directory(DOWNLOAD_DIR):
if os.path.exists(_extracted_dir_path):
shutil.rmtree(_extracted_dir_path, ignore_errors=True)
unzip_output = subprocess.run(
['unzip', _zip_file_path],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT
).stdout.decode('utf-8').strip()
print(unzip_output)
exists_chromedriver_path = shutil.which('chromedriver')
print('exists_chromedriver_path:', exists_chromedriver_path)
install_output = subprocess.run(
['sudo', '-S', 'mv', f'{_extracted_dir_path}/chromedriver',
exists_chromedriver_path], input=sudo_password, check=True
)
print('Chromedriver installed.', install_output)
_install_chromedriver(sudo_password)
def _install_chrome(sudo_password):
print('Installing chrome...', flush=True)
_platform = get_current_machine_platform()
_zip_file_path = f'{DOWNLOAD_DIR}/chrome-{_platform}.zip'
_extracted_dir_path = f'{DOWNLOAD_DIR}/chrome-{_platform}'
_installed_chrome_path = '/Applications/Google Chrome for Testing.app'
with set_directory(DOWNLOAD_DIR):
if os.path.exists(_extracted_dir_path):
shutil.rmtree(_extracted_dir_path, ignore_errors=True)
if os.path.exists(_installed_chrome_path):
shutil.rmtree(_installed_chrome_path, ignore_errors=True)
unzip_output = subprocess.run(
['unzip', _zip_file_path],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT
).stdout.decode('utf-8').strip()
print(unzip_output)
install_output = subprocess.run(
['sudo', '-S', 'mv',
f'chrome-{_platform}/Google Chrome for Testing.app',
'/Applications/'], input=sudo_password, check=True
)
print('Chrome for Testing installed.', install_output)
_install_chrome(sudo_password)
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