安装pyspider遇到Traceback (most recent call last)问题

项目场景：

Python爬虫，安装pyspider遇到的问题。

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问题描述

提示：这里描述项目中遇到的问题：

一、安装步骤（为了好复现问题）

1. 打开https://www.lfd.uci.edu/~gohlke/pythonlibs ，按下Ctrl+f调出搜索框，搜索pycur，点击查找到项会跳到pycurl对应的位置
2. 版本选择：选择你与以安装python版本相同位的，比如我安装的是python3.8的，我就选择pycurl-7.43.0.4-cp38-cp38-win32.whl
3. 点击下载完成后，使用“pip install 文件路径”
   pip install C:\Users\14340\Downloads\pycurl-7.43.0.4-cp38-cp38-win32.whl

二、报错信息

Traceback (most recent call last):
  File "d:\ruanjian\pycharm 2019.2.5\py3.8.3\lib\threading.py", line 932, in _bootstrap_inner
    self.run()
  File "d:\ruanjian\pycharm 2019.2.5\py3.8.3\lib\threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "d:\ruanjian\pycharm 2019.2.5\py3.8.3\lib\site-packages\click\core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "d:\ruanjian\pycharm 2019.2.5\py3.8.3\lib\site-packages\click\decorators.py", line 21, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "d:\ruanjian\pycharm 2019.2.5\py3.8.3\lib\site-packages\pyspider\run.py", line 236, in fetcher
    Fetcher = load_cls(None, None, fetcher_cls)
  File "d:\ruanjian\pycharm 2019.2.5\py3.8.3\lib\site-packages\pyspider\run.py", line 48, in load_cls
    return utils.load_object(value)
  File "d:\ruanjian\pycharm 2019.2.5\py3.8.3\lib\site-packages\pyspider\libs\utils.py", line 369, in load_object
    module = __import__(module_name, globals(), locals(), [object_name])
  File "d:\ruanjian\pycharm 2019.2.5\py3.8.3\lib\site-packages\pyspider\fetcher\__init__.py", line 1, in <module>
    from .tornado_fetcher import Fetcher
  File "d:\ruanjian\pycharm 2019.2.5\py3.8.3\lib\site-packages\pyspider\fetcher\tornado_fetcher.py", line 81
    def __init__(self, inqueue, outqueue, poolsize=100, proxy=None, async=True):
	}

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解决方案：

async在3.7中是关键字不能作为参数了
两种解决方案
1、替换关键字
2、降低python版本

async 分别在

１　...site-packages/pyspider/run.py
２　.../site-packages/pyspider/fetcher/tornado_fetcher.py
3.   ...site-packages/pyspider/webui/app.py
将async替换成_async

...site-packages/pyspider/webui/webdav.py，修改第209行即可。
将'domaincontroller': NeedAuthController(app),改为
'http_authenticator':{
        'HTTPAuthenticator':NeedAuthController(app),
}

报此错误DispatcherMiddleware’ from 'werkzeug.wsgi

python -m pip install -U --force-reinstall pip
python -m pip  uninstall wsgidav 
pip install pyspider

参考资源
pyspider安装问题