python requests请求出现 requests.exceptions.ConnectionError: ('Connection aborted.', OSError(22, 'Invalid argument'))

Traceback (most recent call last):
  File "C:\python310\lib\site-packages\urllib3\connectionpool.py", line 703, in urlopen
    httplib_response = self._make_request(
  File "C:\python310\lib\site-packages\urllib3\connectionpool.py", line 386, in _make_request
    self._validate_conn(conn)
  File "C:\python310\lib\site-packages\urllib3\connectionpool.py", line 1042, in _validate_conn
    conn.connect()
  File "C:\python310\lib\site-packages\urllib3\connection.py", line 395, in connect
    self.ssl_context = create_urllib3_context(
  File "C:\python310\lib\site-packages\urllib3\util\ssl_.py", line 353, in create_urllib3_context
    context.keylog_filename = sslkeylogfile
OSError: [Errno 22] Invalid argument: '\u202aD:\\Program Files\\wireshare.log'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\python310\lib\site-packages\requests\adapters.py", line 489, in send
    resp = conn.urlopen(
  File "C:\python310\lib\site-packages\urllib3\connectionpool.py", line 787, in urlopen
    retries = retries.increment(
  File "C:\python310\lib\site-packages\urllib3\util\retry.py", line 550, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "C:\python310\lib\site-packages\urllib3\packages\six.py", line 769, in reraise
    raise value.with_traceback(tb)
  File "C:\python310\lib\site-packages\urllib3\connectionpool.py", line 703, in urlopen
    httplib_response = self._make_request(
  File "C:\python310\lib\site-packages\urllib3\connectionpool.py", line 386, in _make_request
    self._validate_conn(conn)
  File "C:\python310\lib\site-packages\urllib3\connectionpool.py", line 1042, in _validate_conn
    conn.connect()
  File "C:\python310\lib\site-packages\urllib3\connection.py", line 395, in connect
    self.ssl_context = create_urllib3_context(
  File "C:\python310\lib\site-packages\urllib3\util\ssl_.py", line 353, in create_urllib3_context
    context.keylog_filename = sslkeylogfile
urllib3.exceptions.ProtocolError: ('Connection aborted.', OSError(22, 'Invalid argument'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "D:\dve\tesiting_django\mypro\test\asasa.py", line 66, in <module>
    res = requests.get(url, headers=headers)
  File "C:\python310\lib\site-packages\requests\api.py", line 73, in get
    return request("get", url, params=params, **kwargs)
  File "C:\python310\lib\site-packages\requests\api.py", line 59, in request
    return session.request(method=method, url=url, **kwargs)
  File "C:\python310\lib\site-packages\requests\sessions.py", line 587, in request
    resp = self.send(prep, **send_kwargs)
  File "C:\python310\lib\site-packages\requests\sessions.py", line 701, in send
    r = adapter.send(request, **kwargs)
  File "C:\python310\lib\site-packages\requests\adapters.py", line 547, in send
    raise ConnectionError(err, request=request)
requests.exceptions.ConnectionError: ('Connection aborted.', OSError(22, 'Invalid argument'))

进入最后一处报错的代码行数 raise ConnectionError(err, request=request)发现是个捕捉异常的逻辑，在try里打断点

        try:
            if not chunked:
                # conn.urlopen报错代码行
                resp = conn.urlopen(
                    method=request.method,
                    url=url,
                    body=request.body,
                    headers=request.headers,
                    redirect=False,
                    assert_same_host=False,
                    preload_content=False,
                    decode_content=False,
                    retries=self.max_retries,
                    timeout=timeout,
                )

            # Send the request.
            else:
                if hasattr(conn, "proxy_pool"):
                    conn = conn.proxy_pool

                low_conn = conn._get_conn(timeout=DEFAULT_POOL_TIMEOUT)

                try:
                    skip_host = "Host" in request.headers
                    low_conn.putrequest(
                        request.method,
                        url,
                        skip_accept_encoding=True,
                        skip_host=skip_host,
                    )

                    for header, value in request.headers.items():
                        low_conn.putheader(header, value)

                    low_conn.endheaders()

                    for i in request.body:
                        low_conn.send(hex(len(i))[2:].encode("utf-8"))
                        low_conn.send(b"\r\n")
                        low_conn.send(i)
                        low_conn.send(b"\r\n")
                    low_conn.send(b"0\r\n\r\n")

                    # Receive the response from the server
                    r = low_conn.getresponse()

                    resp = HTTPResponse.from_httplib(
                        r,
                        pool=conn,
                        connection=low_conn,
                        preload_content=False,
                        decode_content=False,
                    )
                except Exception:
                    # If we hit any problems here, clean up the connection.
                    # Then, raise so that we can handle the actual exception.
                    low_conn.close()
                    raise

        except (ProtocolError, OSError) as err:
            raise ConnectionError(err, request=request)

发现是这行连接代码报错，抛出的异常，执行代码得出异常报错信息

Traceback (most recent call last):
  File "D:\Program Files\JetBrains\PyCharm 2021.1.3\plugins\python\helpers\pydev\_pydevd_bundle\pydevd_exec2.py", line 3, in Exec
    exec(exp, global_vars, local_vars)
  File "<string>", line 1, in <module>
  File "C:\python310\lib\site-packages\urllib3\connectionpool.py", line 787, in urlopen
    retries = retries.increment(
  File "C:\python310\lib\site-packages\urllib3\util\retry.py", line 550, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "C:\python310\lib\site-packages\urllib3\packages\six.py", line 769, in reraise
    raise value.with_traceback(tb)
  File "C:\python310\lib\site-packages\urllib3\connectionpool.py", line 703, in urlopen
    httplib_response = self._make_request(
  File "C:\python310\lib\site-packages\urllib3\connectionpool.py", line 386, in _make_request
    self._validate_conn(conn)
  File "C:\python310\lib\site-packages\urllib3\connectionpool.py", line 1042, in _validate_conn
    conn.connect()
  File "C:\python310\lib\site-packages\urllib3\connection.py", line 395, in connect
    self.ssl_context = create_urllib3_context(
  File "C:\python310\lib\site-packages\urllib3\util\ssl_.py", line 353, in create_urllib3_context
    context.keylog_filename = sslkeylogfile
urllib3.exceptions.ProtocolError: ('Connection aborted.', OSError(22, 'Invalid argument'))

进入最后一处报错的代码行数C:\python310\lib\site-packages\urllib3\util\ssl_.py，取消try里的断点，

    # Enable logging of TLS session keys via defacto standard environment variable
    # 'SSLKEYLOGFILE', if the feature is available (Python 3.8+). Skip empty values.
    if hasattr(context, "keylog_filename"):
        # 为什么 os.environ.get("SSLKEYLOGFILE")后有异常 '\u202aD:\\Program Files\\wireshare.log'
        # TODO
        sslkeylogfile = os.environ.get("SSLKEYLOGFILE")
        # sslkeylogfile = r"D:\\Program Files\\wireshare.log"
        if sslkeylogfile:
            context.keylog_filename = sslkeylogfile

发现os.environ.get("SSLKEYLOGFILE")获取的环境变量前面出现\u202aD，去环境变量查看"SSLKEYLOGFILE"，发现"SSLKEYLOGFILE"无空格符号等异常

既然 os.environ.get("SSLKEYLOGFILE")指定的是"D:\Program Files\wireshare.log"文件，就修改ssl_.py文件中的源码，写死sslkeylogfile变量的固定值为r"D:\Program Files\wireshare.log"