在Windows的Python 3.4上安裝Twain模塊

Question

我按照以下步驟操作，但收到一條錯誤消息：

C:\Users\PB>pip install twain --no-compile
Downloading/unpacking twain
Could not find any downloads that satisfy the requiremen
Cleaning up...
No distributions at all found for twain
Storing debug log for failure in C:\Users\PB\pip\pip.log

我研究並找到了解決方案，然后嘗試以下命令：

pip install twain == 1.0.5 --allow-unverified twain

並收到一條錯誤消息：

Exception:
Traceback (most recent call last):
File "C:\Python3.4\lib\site-packages\pip\basecommand.py", line 122, in main
status = self.run(options, args)
   File "C:\Python3.4\lib\site-packages\pip\commands\install.py", line 257,in run   
InstallRequirement.from_line(name, None))
File "C:\Python3.4\lib\site-packages\pip\req.py", line 172, in from_line
return cls(req, comes_from, url=url, prereleases=prereleases)
File "C:\Python3.4\lib\site-packages\pip\req.py", line 70, in __init__
     req = pkg_resources.Requirement.parse(req)
File "C:\Python3.4\lib\site-packages\pip\_vendor\pkg_resources.py", line2606,
in parse
reqs = list(parse_requirements(s))
File "C:\Python3.4\lib\site-packages\pip\_vendor\pkg_resources.py",line2532 
in parse_requirements
raise ValueError("Missing distribution spec", line)
ValueError: ('Missing distribution spec', '==')

Storing debug log for failure in C:\Users\PB\pip\pip.log

如何解決安裝TWAIN？

Answer 1

您可以從http://www.lfd.uci.edu/~gohlke/pythonlibs/#twainmodule下載python 3.x的代碼

並手動安裝