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python - requests_html 使用 pyppeteer 安装 chromium 时出现 python3 SSL 证书问题

问题描述

我html.render()从requests_html图书馆跑。它正在尝试安装 chromium，但出现错误

我已经尝试过pip install --upgrade certifi使用和不使用sudo 并得到：Requirement already up-to-date: certifi in /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages (2019.6.16)

我也尝试运行/Applications/Python\ 3.6/Install\ Certificates command并得到：

 -- pip install --upgrade certifi
Requirement already up-to-date: certifi in /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages (2019.6.16)
 -- removing any existing file or link
 -- creating symlink to certifi certificate bundle
 -- setting permissions
 -- update complete
logout
Saving session...
...copying shared history...
...saving history...truncating history files...
...completed.

[Process completed]

这是我得到的错误：

[W:pyppeteer.chromium_downloader] start chromium download.
Download may take a few minutes.
Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/contrib/pyopenssl.py", line 472, in wrap_socket
    cnx.do_handshake()
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/OpenSSL/SSL.py", line 1915, in do_handshake
    self._raise_ssl_error(self._ssl, result)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/OpenSSL/SSL.py", line 1647, in _raise_ssl_error
    _raise_current_error()
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/OpenSSL/_util.py", line 54, in exception_from_error_queue
    raise exception_type(errors)
OpenSSL.SSL.Error: [('SSL routines', 'tls_process_server_certificate', 'certificate verify failed')]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/connectionpool.py", line 603, in urlopen
    chunked=chunked)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/connectionpool.py", line 344, in _make_request
    self._validate_conn(conn)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/connectionpool.py", line 843, in _validate_conn
    conn.connect()
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/connection.py", line 370, in connect
    ssl_context=context)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/util/ssl_.py", line 355, in ssl_wrap_socket
    return context.wrap_socket(sock, server_hostname=server_hostname)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/contrib/pyopenssl.py", line 478, in wrap_socket
    raise ssl.SSLError('bad handshake: %r' % e)
ssl.SSLError: ("bad handshake: Error([('SSL routines', 'tls_process_server_certificate', 'certificate verify failed')],)",)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "stocks.py", line 11, in <module>
    r.html.render()
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/requests_html.py", line 586, in render
    self.browser = self.session.browser  # Automatically create a event loop and browser
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/requests_html.py", line 730, in browser
    self._browser = self.loop.run_until_complete(super().browser)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/asyncio/base_events.py", line 473, in run_until_complete
    return future.result()
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/requests_html.py", line 714, in browser
    self._browser = await pyppeteer.launch(ignoreHTTPSErrors=not(self.verify), headless=True, args=self.__browser_args)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/pyppeteer/launcher.py", line 311, in launch
    return await Launcher(options, **kwargs).launch()
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/pyppeteer/launcher.py", line 125, in __init__
    download_chromium()
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/pyppeteer/chromium_downloader.py", line 136, in download_chromium
    extract_zip(download_zip(get_url()), DOWNLOADS_FOLDER / REVISION)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/pyppeteer/chromium_downloader.py", line 78, in download_zip
    data = http.request('GET', url, preload_content=False)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/request.py", line 68, in request
    **urlopen_kw)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/request.py", line 89, in request_encode_url
    return self.urlopen(method, url, **extra_kw)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/poolmanager.py", line 326, in urlopen
    response = conn.urlopen(method, u.request_uri, **kw)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/connectionpool.py", line 670, in urlopen
    **response_kw)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/connectionpool.py", line 670, in urlopen
    **response_kw)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/connectionpool.py", line 670, in urlopen
    **response_kw)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/connectionpool.py", line 641, in urlopen
    _stacktrace=sys.exc_info()[2])
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/urllib3/util/retry.py", line 399, in increment
    raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='storage.googleapis.com', port=443): Max retries exceeded with url: /chromium-browser-snapshots/Mac/575458/chrome-mac.zip (Caused by SSLError(SSLError("bad handshake: Error([('SSL routines', 'tls_process_server_certificate', 'certificate verify failed')],)",),))

请问有什么建议吗？

标签： pythonmacospython-requests-html

解决方案

我在这里找到了答案，我引用：

这是 urllib3 (1.25) 的问题。解决方法是使用它的旧版本：

pip install -U "urllib3<1.25"

来自： https ://github.com/miyakogi/pyppeteer/issues/219

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