我按照说明安装了dronekit-python,如“入门”页面所述。 我运行了以下命令:
pip install dronekit
我收到了一条消息:
Cold找不到满足dronekit要求的版本(来自 版本:2.0.0b2 .... 2.0.0rc9)
我做了两天前 scaredrone 的规定:
pip install dronekit=2.0.0rc4
我得到了例外:
Exception:
Traceback (most recent call last):
File "C:\WinPython-64bit-2.7.6.4\python-2.7.6.amd64\lib\site-packages\pip\basecommand.py", line 122, in main
status = self.run(options, args)
File "C:\WinPython-64bit-2.7.6.4\python-2.7.6.amd64\lib\site-packages\pip\commands\install.py", line 257, in run
InstallRequirement.from_line(name, None))
File "C:\WinPython-64bit-2.7.6.4\python-2.7.6.amd64\lib\site-packages\pip\req.py", line 172, in from_line
return cls(req, comes_from, url=url, prereleases=prereleases)
File "C:\WinPython-64bit-2.7.6.4\python-2.7.6.amd64\lib\site-packages\pip\req.py", line 70, in __init__
req = pkg_resources.Requirement.parse(req)
File "C:\WinPython-64bit-2.7.6.4\python-2.7.6.amd64\lib\site-packages\pip\_vendor\pkg_resources.py", line 2606, in parse
reqs = list(parse_requirements(s))
File "C:\WinPython-64bit-2.7.6.4\python-2.7.6.amd64\lib\site-packages\pip\_vendor\pkg_resources.py", line 2544, in parse_requirements
line, p, specs = scan_list(VERSION,LINE_END,line,p,(1,2),"version spec")
File "C:\WinPython-64bit-2.7.6.4\python-2.7.6.amd64\lib\site-packages\pip\_vendor\pkg_resources.py", line 2512, in scan_list
raise ValueError("Expected "+item_name+" in",line,"at",line[p:])
ValueError: ('Expected version spec in', 'dronekit=2.0.0rc4', 'at', '=2.0.0rc4')
答案 0 :(得分:2)
我遇到了同样的问题。尝试运行
sudo pip install --pre dronekit
--pre
标志可以安装预发布软件。
不知道为什么没有记录。
从这里回答:https://discuss.dronekit.io/t/pip-install-dronekit-fails-on-odroid-xu4-unless-pre-is-used/93