nltk.download()下载失败怎么办

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安装nltk

pip install nltk

安装完之后，报错

>>> from nltk.corpus import brown>>> brown.words()Traceback (most recent call last):  File "D:\soft\python3.6\lib\site-packages\nltk\corpus\util.py", line 80, in __load    try: root = nltk.data.find('{}/{}'.format(self.subdir, zip_name))  File "D:\soft\python3.6\lib\site-packages\nltk\data.py", line 675, in find    raise LookupError(resource_not_found)LookupError:**********************************************************************  Resource [93mbrown[0m not found.  Please use the NLTK Downloader to obtain the resource:  [31m>>> import nltk  >>> nltk.download('brown')  [0m  Searched in:    - 'C:\\Users\\WYXCz/nltk_data'    - 'C:\\nltk_data'    - 'D:\\nltk_data'    - 'E:\\nltk_data'    - 'D:\\soft\\python3.6\\nltk_data'    - 'D:\\soft\\python3.6\\share\\nltk_data'    - 'D:\\soft\\python3.6\\lib\\nltk_data'    - 'C:\\Users\\WYXCz\\AppData\\Roaming\\nltk_data'**********************************************************************During handling of the above exception, another exception occurred:Traceback (most recent call last):  File "", line 1, in   File "D:\soft\python3.6\lib\site-packages\nltk\corpus\util.py", line 116, in __getattr__    self.__load()  File "D:\soft\python3.6\lib\site-packages\nltk\corpus\util.py", line 81, in __load    except LookupError: raise e  File "D:\soft\python3.6\lib\site-packages\nltk\corpus\util.py", line 78, in __load    root = nltk.data.find('{}/{}'.format(self.subdir, self.__name))  File "D:\soft\python3.6\lib\site-packages\nltk\data.py", line 675, in find    raise LookupError(resource_not_found)LookupError:**********************************************************************  Resource [93mbrown[0m not found.  Please use the NLTK Downloader to obtain the resource:  [31m>>> import nltk  >>> nltk.download('brown')  [0m  Searched in:    - 'C:\\Users\\WYXCz/nltk_data'    - 'C:\\nltk_data'    - 'D:\\nltk_data'    - 'E:\\nltk_data'    - 'D:\\soft\\python3.6\\nltk_data'    - 'D:\\soft\\python3.6\\share\\nltk_data'    - 'D:\\soft\\python3.6\\lib\\nltk_data'    - 'C:\\Users\\WYXCz\\AppData\\Roaming\\nltk_data'**********************************************************************

原因是需要执行nltk.download()下载数据集

# 更改下载目录nltk.download(download_dir=r'D:\soft\python3.6\share\nltk_data')

又试： nltk.download()，but：

于是去官网直接下载：https://github.com/nltk/nltk_data。

下载packages就好，放入之前报错中的目录，记得这里将 packages 重命名成 nltk_data。

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