在Windows的Python 3.4上安装Twain模块 [英] Installing Twain Module on Python 3.4 on Windows
本文介绍了在Windows的Python 3.4上安装Twain模块的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我遵循了步骤,但是收到错误消息:
I followed this steps but got an error message :
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
我研究并找到了解决方案,并尝试了此方法命令:
I researched and found a solution and try this command:
pip install twain == 1.0.5 --allow-unverified twain
并显示一条错误消息:
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
我该如何解决twain安装问题?
Howcan I solve install twain ?
推荐答案
您可以从并手动安装
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