1. Questions 

[<twisted.python.failure.Failure < class  ' OpenSSL.SSL.Error ' >>]


If it is under Windows, the corresponding version of pyOpenSSL needs to be additionally installed. For example, pyOpenSSL- 0.13 .winxp32-py2. 7 .msi; if it prompts that there are no compiled files, you may also need to install mingwg. 
If it is under Linux, it is very simple, just pip install scrapy directly, it will automatically install the dependent package twisted. Using the same command under windows will cause the above problem, so additionally install the corresponding software.


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