python使用Seaborn数据集报错:urllib.error.URLError: ＜urlopen error [Errno 11004] getaddrinfo failed＞

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本文介绍了在遇到Seaborn在线数据集访问错误时，如何通过查看本地缓存路径、从GitHub仓库下载数据并解压至缓存，以及使用matplotlib的pairplot函数来解决问题的过程。

由于某些不可抗力的原因，导致在线访问Seaborn的数据集报错。可以使用离线加载的方式解决。

报错信息：

urllib.error.URLError: <urlopen error [Errno 11004] getaddrinfo failed>


Traceback (most recent call last):
  File "D:\sushun\tools\python312\python39\lib\urllib\request.py", line 1346, in do_open
    h.request(req.get_method(), req.selector, req.data, headers,
  File "D:\sushun\tools\python312\python39\lib\http\client.py", line 1286, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "D:\sushun\tools\python312\python39\lib\http\client.py", line 1332, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "D:\sushun\tools\python312\python39\lib\http\client.py", line 1280, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "D:\sushun\tools\python312\python39\lib\http\client.py", line 1040, in _send_output
    self.send(msg)
  File "D:\sushun\tools\python312\python39\lib\http\client.py", line 980, in send
    self.connect()
  File "D:\sushun\tools\python312\python39\lib\http\client.py", line 1448, in connect
    super().connect()
  File "D:\sushun\tools\python312\python39\lib\http\client.py", line 946, in connect
    self.sock = self._create_connection(
  File "D:\sushun\tools\python312\python39\lib\socket.py", line 823, in create_connection
    for res in getaddrinfo(host, port, 0, SOCK_STREAM):
  File "D:\sushun\tools\python312\python39\lib\socket.py", line 954, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno 11004] getaddrinfo failed

During handling of the above exception, another exception occurred:
  File "D:\sushun\code\python\Chatbot\data_visual_2.py", line 8, in <module>
    print (sns.get_dataset_names() )
  File "D:\sushun\code\python\Chatbot\venv39\lib\site-packages\seaborn\utils.py", line 499, in get_dataset_names
    with urlopen(DATASET_NAMES_URL) as resp:
  File "D:\sushun\tools\python312\python39\lib\urllib\request.py", line 214, in urlopen
    return opener.open(url, data, timeout)
  File "D:\sushun\tools\python312\python39\lib\urllib\request.py", line 517, in open
    response = self._open(req, data)
  File "D:\sushun\tools\python312\python39\lib\urllib\request.py", line 534, in _open
    result = self._call_chain(self.handle_open, protocol, protocol +
  File "D:\sushun\tools\python312\python39\lib\urllib\request.py", line 494, in _call_chain
    result = func(*args)
  File "D:\sushun\tools\python312\python39\lib\urllib\request.py", line 1389, in https_open
    return self.do_open(http.client.HTTPSConnection, req,
  File "D:\sushun\tools\python312\python39\lib\urllib\request.py", line 1349, in do_open
    raise URLError(err)
urllib.error.URLError: <urlopen error [Errno 11004] getaddrinfo failed>

解决方案：

1. 查看本地缓存路径

import seaborn as snsprint(sns.get_data_home())

2. 浏览器访问 mwaskom/seaborn-data: Data repository for seaborn examples (github.com)

3. 下载后，将文件解压到缓存路径中

4. 再次运行程序

import matplotlib.pyplot as pltimport seaborn as sns# 加载内置示例数据集tips = sns.load_dataset("tips")# 绘制散点图矩阵sns.pairplot(tips, hue="day", diag_kind="kde")
plt.show()