C:\Users\用户>pip install NumPy

Collecting NumPy

Exception:

Traceback (most recent call last):

File “c:\python27\lib\site-packages\pip\basecommand.py”, line 215, in main

status = self.run(options, args)

File “c:\python27\lib\site-packages\pip\commands\install.py”, line 324, in run

requirement_set.prepare_files(finder)

File “c:\python27\lib\site-packages\pip\req\req_set.py”, line 380, in prepare_files

ignore_dependencies=self.ignore_dependencies))

File “c:\python27\lib\site-packages\pip\req\req_set.py”, line 620, in _prepare_file

session=self.session, hashes=hashes)

File “c:\python27\lib\site-packages\pip\download.py”, line 821, in unpack_url

hashes=hashes

File “c:\python27\lib\site-packages\pip\download.py”, line 659, in unpack_http_url

hashes)

File “c:\python27\lib\site-packages\pip\download.py”, line 880, in _download_http_url

file_path = os.path.join(temp_dir, filename)

File “c:\python27\lib\ntpath.py”, line 85, in join

result_path = result_path + p_path

UnicodeDecodeError: ‘ascii’ codec can’t decode byte 0xd3 in position 7: ordinal not in range(128)

---------------------

找了一个python大神，解决了一下午都没发现具体是啥原因，软件下载了再卸载，在换版本在安装还是不行，不得已从D盘安装到了C盘，今天早上无意间看了 ：https://blog.csdn.net/u013567842/article/details/68955214 这篇文章，才发现问题，感谢这个博主

 

解决办法：

原因是pip安装Python包会加载我的用户目录，我的用户目录恰好是中文的，ascii不能编码。解决办法是： python目录 Python27\Lib\site-packages 建一个文件sitecustomize.py 内容写： import sys sys.setdefaultencoding('gbk') python会自动运行这个文件。