1.看到相關文檔寫到安裝srcrapy,只要python安裝時有點選pip,並且添加到path中,就可以在命令符窗口下直接輸入:pip install scrapy 因此我也按照此步驟操作 出現了以下提示:
Traceback (most recent call last): File "c:\users\46782\appdata\local\programs\python\python36\lib\site-packages\pip\basecommand.py", line 215, in main status = self.run(options, args) File "c:\users\46782\appdata\local\programs\python\python36\lib\site-packages\pip\commands\install.py", line 342, in run prefix=options.prefix_path, File "c:\users\46782\appdata\local\programs\python\python36\lib\site-packages\pip\req\req_set.py", line 784, in install **kwargs File "c:\users\46782\appdata\local\programs\python\python36\lib\site-packages\pip\req\req_install.py", line 878, in install spinner=spinner, File "c:\users\46782\appdata\local\programs\python\python36\lib\site-packages\pip\utils\__init__.py", line 676, in call_subprocess line = console_to_str(proc.stdout.readline()) File "c:\users\46782\appdata\local\programs\python\python36\lib\site-packages\pip\compat\__init__.py", line 75, in console_to_str return s.decode('utf_8')UnicodeDecodeError: 'utf-8' codec can't decode byte 0xa1 in position 72: invalid start byte
解決方法:
打開python安裝目錄\python36\lib\site-packages\pip\compat\__init__.py約75行return s.decode('utf_8') 改爲return s.decode('cp936')
2.繼續按照上述操作,在命令符窗口輸入:pip install scrapy,結果出現一下錯誤:
解決方法:
http://www.lfd.uci.edu/~gohlke/pythonlibs/#twisted 下載twisted對應版本的whl文件(如Twisted-17.5.0-cp35-cp35m-win_amd64.whl),cp後面是Python版本,amd64代表64位,運行安裝命令:
pip install 存放路徑\Twisted-17.5.0-cp35-cp35m-win_amd64.whl
備註:這裏amd後面的32、64一定要和自己電腦上安裝的python一致
之後執行pip install scrapy 安裝成功
以上是自學過程中遇到的問題,總結一下,方便以後查閱