NLTK 下载 SSL:证书验证失败

问题描述

尝试为 nltk 安装 Punkt 时出现以下错误:

I get the following error when trying to install Punkt for nltk:

nltk.download('punkt')    
 [nltk_data] Error loading Punkt: <urlopen error [SSL:
 [nltk_data]     CERTIFICATE_VERIFY_FAILED] certificate verify failed
 [nltk_data]     (_ssl.c:590)>
False

推荐答案

下载脚本坏了.作为临时解决方法，可以从 here 手动下载 punkt tokenizer，然后将解压缩的文件夹放在相应的位置.每个操作系统的默认文件夹是:

The downloader script is broken. As a temporal workaround can manually download the punkt tokenizer from here and then place the unzipped folder in the corresponding location. The default folders for each OS are:

• Windows:C: ltk_data okenizers
• OSX:/usr/local/share/nltk_data/tokenizers
• Unix:/usr/share/nltk_data/tokenizers

• Windows: C: ltk_data okenizers
• OSX: /usr/local/share/nltk_data/tokenizers
• Unix: /usr/share/nltk_data/tokenizers

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