解决了Python帖子（如何“执行”url？）

Question

解决

我将从我从未处理过HTTP请求开始，我尝试了一些我在网站上看到的例子，但没有一个对我的案例有效

我想“激活”我试图控制的硬件设备上的脚本。设备有自己的HTTP服务器，通过使用各种url，我可以更改其变量，此类url如下所示：

http://ipofdevice/ScriptName?varName=varValue&varName2=varValue2&varNameN=varValueN

我正试图弄清楚如何用python“激活”这样的URL，我已经做到了，我必须使用post请求（我想是吧？），以下是我迄今为止所做的尝试：

我已经检查了一些其他帖子，并尝试了其中的示例代码，但没有一个有效，其中一个帖子是：

How to send POST request?

以下是我尝试过但不起作用的两个示例代码：

from urllib.parse import urlencode
from urllib.request import Request, urlopen
url = "http://127.0.0.1/ScriptName"
post_fields = { 'testVar' : 'hello', 'secondVar' : 'fromPython' }
request = Request(url, urlencode(post_fields).encode())
json = urlopen(request).read().decode()

json行抛出了一个异常，并进行了很长的回溯

Traceback (most recent call last):
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\http\client.py", line 289, in _read_status
    status = int(status)
ValueError: invalid literal for int() with base 10: '400,'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 222, in urlopen
    return opener.open(url, data, timeout)
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 525, in open
    response = self._open(req, data)
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 542, in _open
    result = self._call_chain(self.handle_open, protocol, protocol +
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 502, in _call_chain
    result = func(*args)
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 1348, in http_open
    return self.do_open(http.client.HTTPConnection, req)
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 1323, in do_open
    r = h.getresponse()
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\http\client.py", line 1322, in getresponse
    response.begin()
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\http\client.py", line 303, in begin
    version, status, reason = self._read_status()
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\http\client.py", line 293, in _read_status
    raise BadStatusLine(line)
http.client.BadStatusLine: HTTP/1.0 400, Invalid Request

这是我第二次尝试的代码：

import requests
base_url = "http://127.0.0.1/ScriptName"
post_fields = { 'testVar' : 'hello', 'secondVar' : 'fromPython' }
response = requests.post(final_url, data=post_fields)

有一个更长的回溯，我不会发布，只是因为它增加了太多的混乱，我不认为这是必要的，因为很明显我做了一些根本错误的事情。 我不需要任何花哨的东西，只是为了能够运行一个像一个在线程开始的链接，我甚至不知道，如果后请求是我需要的

在javascript中，我可以这样做（但javascript缺少我需要的其他东西）：

var wnd = window.open("http://127.0.0.1/ScriptName?var=val");
      wnd.close();
      e.preventDefault();

编辑：为第二次python尝试添加回溯：

Traceback (most recent call last):
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 665, in urlopen
    httplib_response = self._make_request(
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 421, in _make_request
    six.raise_from(e, None)
  File "<string>", line 3, in raise_from
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 416, in _make_request
    httplib_response = conn.getresponse()
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\http\client.py", line 1322, in getresponse
    response.begin()
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\http\client.py", line 303, in begin
    version, status, reason = self._read_status()
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\http\client.py", line 293, in _read_status
    raise BadStatusLine(line)
http.client.BadStatusLine: HTTP/1.0 400, Invalid Request


During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\adapters.py", line 439, in send
    resp = conn.urlopen(
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 719, in urlopen
    retries = retries.increment(
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\util\retry.py", line 400, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\packages\six.py", line 734, in reraise
    raise value.with_traceback(tb)
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 665, in urlopen
    httplib_response = self._make_request(
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 421, in _make_request
    six.raise_from(e, None)
  File "<string>", line 3, in raise_from
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 416, in _make_request
    httplib_response = conn.getresponse()
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\http\client.py", line 1322, in getresponse
    response.begin()
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\http\client.py", line 303, in begin
    version, status, reason = self._read_status()
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\http\client.py", line 293, in _read_status
    raise BadStatusLine(line)
urllib3.exceptions.ProtocolError: ('Connection aborted.', BadStatusLine('HTTP/1.0 400, Invalid Request\r\n'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\api.py", line 119, in post
    return request('post', url, data=data, json=json, **kwargs)
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\api.py", line 61, in request
    return session.request(method=method, url=url, **kwargs)
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\sessions.py", line 530, in request
    resp = self.send(prep, **send_kwargs)
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\sessions.py", line 643, in send
    r = adapter.send(request, **kwargs)
  File "C:\Users\Darkbound\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\adapters.py", line 498, in send
    raise ConnectionError(err, request=request)
requests.exceptions.ConnectionError: ('Connection aborted.', BadStatusLine('HTTP/1.0 400, Invalid Request\r\n'))

编辑2：解决了，正如@MrBean Bremen所建议的，我实际上需要一个GET请求，我所要做的就是：

import requests
requests.get(myurl)

Answer 1

试试这个

import requests
tesVar = hello
secondVar = fromPython
baseurl = "http://127.0.0.1/ScriptName?{'tesVar'}&{'secondVar'}"
response = requests.get(baseurl)
print(response)