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我最近安装了Ubuntu 17.04，当我尝试添加一个ppa时，它给了这个回溯，指出了与idna.py有关的一些unicode错误（“label empty or too long”），如果它帮助我的网上代理上运行
unicode添加ppa到ubuntu时出错17.04
我进入下面的命令：
sudo -E apt-add-repository ppa:numix/ppa
，并收到以下错误：
Traceback (most recent call last):
File "/usr/lib/python3.5/encodings/idna.py", line 165, in encode
raise UnicodeError("label empty or too long")
UnicodeError: label empty or too long
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 358, in get_ppa_info
ret = get_ppa_info_from_lp(user, ppa)
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 94, in get_ppa_info_from_lp
return get_info_from_lp(lp_url)
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 88, in get_info_from_lp
return _get_https_content_py3(lp_url)
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 112, in _get_https_content_py3
lp_page = urllib.request.urlopen(request, cafile=LAUNCHPAD_PPA_CERT)
File "/usr/lib/python3.5/urllib/request.py", line 163, in urlopen
return opener.open(url, data, timeout)
File "/usr/lib/python3.5/urllib/request.py", line 466, in open
response = self._open(req, data)
File "/usr/lib/python3.5/urllib/request.py", line 484, in _open
'_open', req)
File "/usr/lib/python3.5/urllib/request.py", line 444, in _call_chain
result = func(*args)
File "/usr/lib/python3.5/urllib/request.py", line 1297, in https_open
context=self._context, check_hostname=self._check_hostname)
File "/usr/lib/python3.5/urllib/request.py", line 1254, in do_open
h.request(req.get_method(), req.selector, req.data, headers)
File "/usr/lib/python3.5/http/client.py", line 1107, in request
self._send_request(method, url, body, headers)
File "/usr/lib/python3.5/http/client.py", line 1152, in _send_request
self.endheaders(body)
File "/usr/lib/python3.5/http/client.py", line 1103, in endheaders
self._send_output(message_body)
File "/usr/lib/python3.5/http/client.py", line 934, in _send_output
self.send(msg)
File "/usr/lib/python3.5/http/client.py", line 877, in send
self.connect()
File "/usr/lib/python3.5/http/client.py", line 1253, in connect
super().connect()
File "/usr/lib/python3.5/http/client.py", line 849, in connect
(self.host,self.port), self.timeout, self.source_address)
File "/usr/lib/python3.5/socket.py", line 694, in create_connection
for res in getaddrinfo(host, port, 0, SOCK_STREAM):
File "/usr/lib/python3.5/socket.py", line 733, in getaddrinfo
for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
UnicodeError: encoding with 'idna' codec failed (UnicodeError: label empty or too long)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3.5/encodings/idna.py", line 165, in encode
raise UnicodeError("label empty or too long")
UnicodeError: label empty or too long
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/usr/bin/add-apt-repository", line 122, in <module>
shortcut = shortcut_handler(line)
File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 864, in shortcut_handler
ret = factory(shortcut)
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 430, in shortcut_handler
return PPAShortcutHandler(shortcut)
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 387, in __init__
info = get_ppa_info(self.shortcut)
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 370, in get_ppa_info
_get_suggested_ppa_message(user, ppa))
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 327, in _get_suggested_ppa_message
lp_user = get_info_from_lp(LAUNCHPAD_USER_API % user)
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 88, in get_info_from_lp
return _get_https_content_py3(lp_url)
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 112, in _get_https_content_py3
lp_page = urllib.request.urlopen(request, cafile=LAUNCHPAD_PPA_CERT)
File "/usr/lib/python3.5/urllib/request.py", line 163, in urlopen
return opener.open(url, data, timeout)
File "/usr/lib/python3.5/urllib/request.py", line 466, in open
response = self._open(req, data)
File "/usr/lib/python3.5/urllib/request.py", line 484, in _open
'_open', req)
File "/usr/lib/python3.5/urllib/request.py", line 444, in _call_chain
result = func(*args)
File "/usr/lib/python3.5/urllib/request.py", line 1297, in https_open
context=self._context, check_hostname=self._check_hostname)
File "/usr/lib/python3.5/urllib/request.py", line 1254, in do_open
h.request(req.get_method(), req.selector, req.data, headers)
File "/usr/lib/python3.5/http/client.py", line 1107, in request
self._send_request(method, url, body, headers)
File "/usr/lib/python3.5/http/client.py", line 1152, in _send_request
self.endheaders(body)
File "/usr/lib/python3.5/http/client.py", line 1103, in endheaders
self._send_output(message_body)
File "/usr/lib/python3.5/http/client.py", line 934, in _send_output
self.send(msg)
File "/usr/lib/python3.5/http/client.py", line 877, in send
self.connect()
File "/usr/lib/python3.5/http/client.py", line 1253, in connect
super().connect()
File "/usr/lib/python3.5/http/client.py", line 849, in connect
(self.host,self.port), self.timeout, self.source_address)
File "/usr/lib/python3.5/socket.py", line 694, in create_connection
for res in getaddrinfo(host, port, 0, SOCK_STREAM):
File "/usr/lib/python3.5/socket.py", line 733, in getaddrinfo
for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
UnicodeError: encoding with 'idna' codec failed (UnicodeError: label empty or too long)
您需要提供更多信息才能真正帮助您。 “ppa”是什么意思？你的意思是[个人套餐存档]（https://help.ubuntu.com/community/PPA）？您从该存档安装了哪些软件？他们的支持网站对安装错误有何评论？ –