scrapy安装过程的一些问题

XCZJY

安装Scrapy的一些问题在 pip list 中显示有Scrapy这个包，但我Scrapy -V显示
Traceback (most recent call last):
  File "C:\Users\AppData\Local\Programs\Python\Python36\Scripts\scrapy-script.py", line 6, in <module>
  File "c:\users\appdata\local\programs\python\python36\lib\site-packages\pkg_resources\__init__.py", line 3088, in <module>
    @_call_aside
  File "c:\users\appdata\local\programs\python\python36\lib\site-packages\pkg_resources\__init__.py", line 3072, in _call_aside
    f(*args, **kwargs)
  File "c:\users\appdata\local\programs\python\python36\lib\site-packages\pkg_resources\__init__.py", line 3101, in _initialize_master_working_set
    working_set = WorkingSet._build_master()
  File "c:\users\appdata\local\programs\python\python36\lib\site-packages\pkg_resources\__init__.py", line 574, in _build_master
    ws.require(__requires__)
  File "c:\users\appdata\local\programs\python\python36\lib\site-packages\pkg_resources\__init__.py", line 892, in require
    needed = self.resolve(parse_requirements(requirements))
  File "c:\users\appdata\local\programs\python\python36\lib\site-packages\pkg_resources\__init__.py", line 778, in resolve
    raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'cryptography>=2.1.4' distribution was not found and is required by pyopenssl, pyOpenSSL
去安装pyOpenSSL或者重新安装Scrapy显示
Exception:
Traceback (most recent call last):
  File "c:\users\appdata\local\programs\python\python36\lib\site-packages\pip\_internal\basecommand.py", line 228, in main
    status = self.run(options, args)
  File "c:\users\appdata\local\programs\python\python36\lib\site-packages\pip\_internal\commands\install.py", line 291, in run
    resolver.resolve(requirement_set)
  File "c:\users\appdata\local\programs\python\python36\lib\site-packages\pip\_internal\resolve.py", line 103, in resolve
    self._resolve_one(requirement_set, req)
  File "c:\users\appdata\local\programs\python\python36\lib\site-packages\pip\_internal\resolve.py", line 262, in _resolve_one
    check_dist_requires_python(dist)
  File "c:\users\appdata\local\programs\python\python36\lib\site-packages\pip\_internal\utils\packaging.py", line 46, in check_dist_requires_python
    feed_parser.feed(metadata)
  File "c:\users\appdata\local\programs\python\python36\lib\email\feedparser.py", line 175, in feed
    self._input.push(data)
  File "c:\users\appdata\local\programs\python\python36\lib\email\feedparser.py", line 103, in push
    self._partial.write(data)
TypeError: string argument expected, got 'NoneType'
请问大神怎么解决？？

alltolove

你如果是xp系统需要安装vs2008,win7就安装2010，win8安装2015，win10安装2017

ABC23

mark