python如何将scrapy更新为0.22

我正在使用Python2.7和Scrapy0.20

我想试试刮痧0.22，请问怎么做

我试过了

pip碎片更新

但我收到了错误信息

我回答了这个问题 stackoverflow.com/questions/21258961/how-do-i-update-scrapy-from-the-terminal

我使用了

pip安装——升级scrapy

但是当我在cmd上运行

scrapy-verion

时，我得到了0.20

我正在使用Windows7

你能帮忙吗

编辑 一位用户建议更新pip，我在更新pip时得到了这个建议

Traceback (most recent call last):
  File "C:\Python27\lib\site-packages\pip-1.4.1-py2.7.egg\pip\basecommand.py", l
ine 134, in main
  File "C:\Python27\lib\site-packages\pip-1.4.1-py2.7.egg\pip\commands\install.p
y", line 241, in run
  File "C:\Python27\lib\site-packages\pip-1.4.1-py2.7.egg\pip\req.py", line 1306
, in install
  File "C:\Python27\lib\site-packages\pip-1.4.1-py2.7.egg\pip\req.py", line 537,
 in commit_uninstall
  File "C:\Python27\lib\site-packages\pip-1.4.1-py2.7.egg\pip\req.py", line 1663
, in commit
  File "C:\Python27\lib\site-packages\pip-1.4.1-py2.7.egg\pip\util.py", line 42,
 in rmtree
  File "C:\Python27\lib\shutil.py", line 244, in rmtree
    rmtree(fullname, ignore_errors, onerror)
  File "C:\Python27\lib\shutil.py", line 244, in rmtree
    rmtree(fullname, ignore_errors, onerror)
  File "C:\Python27\lib\shutil.py", line 249, in rmtree
    onerror(os.remove, fullname, sys.exc_info())
  File "C:\Python27\lib\site-packages\pip-1.4.1-py2.7.egg\pip\util.py", line 61,
 in rmtree_errorhandler
WindowsError: [Error 5] Access is denied: 'c:\\users\\user\\appdata\\local\\temp
\\pip-xw1mij-uninstall\\python27\\scripts\\pip.exe'

Storing complete log in C:\Users\User\pip\pip.log

---

您可能需要升级pip：

pip install --upgrade pip 

pip install --upgrade pip

然后升级scrapy：

pip install --upgrade scrapy

或者

---

您可能需要升级pip：

pip install --upgrade pip 

pip install --upgrade pip

然后去除刮屑：

pip uninstall scrapy

然后重新安装scrapy：

pip install scrapy

---

请检查我的编辑，我遇到了一个异常，我尝试了

以管理员身份运行

选项来运行程序，然后再次尝试升级。^。您可能必须以管理员身份运行CMD。