python - 如何在 Windows 中使用 cmd 安装 SQLAlchemy
问题描述
我正在使用 Python 3.82,pip 20.0.2,当我尝试通过 cmd 安装 SQLAlchemy 时出现以下错误。我已经尝试过 PyCharm 并再次给出“异常错误”。
C:\Users\Takunda Mafuta>pip install SQLAlchemy
Collecting SQLAlchemy
Downloading SQLAlchemy-1.3.15.tar.gz (6.1 MB)
|█████▌ | 1.0 MB 4.6 kB/s eta 0:18:11ERROR: Exception:
Traceback (most recent call last):
File "c:\users\takunda mafuta\appdata\local\programs\python\python38-32\lib\site-packages\pip\_vendor\urllib3\response.py", line 425, in _error_catcher
yield
File "c:\users\takunda mafuta\appdata\local\programs\python\python38-32\lib\site-packages\pip\_vendor\urllib3\response.py", line 507, in read
data = self._fp.read(amt) if not fp_closed else b""
File "c:\users\takunda mafuta\appdata\local\programs\python\python38-32\lib\site-packages\pip\_vendor\cachecontrol\filewrapper.py", line 62, in read
data = self.__fp.read(amt)
File "c:\users\takunda mafuta\appdata\local\programs\python\python38-32\lib\http\client.py", line 454, in read
n = self.readinto(b)
File "c:\users\takunda mafuta\appdata\local\programs\python\python38-32\lib\http\client.py", line 498, in readinto
n = self.fp.readinto(b)
File "c:\users\takunda mafuta\appdata\local\programs\python\python38-32\lib\socket.py", line 669, in readinto
return self._sock.recv_into(b)
File "c:\users\takunda mafuta\appdata\local\programs\python\python38-32\lib\ssl.py", line 1241, in recv_into
return self.read(nbytes, buffer)
File "c:\users\takunda mafuta\appdata\local\programs\python\python38-32\lib\ssl.py", line 1099, in read
return self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out
解决方案
通常,当您的网络不稳定或与 PyPi 存储库的连接不稳定时,会发生此异常。尝试设置一个靠近您的位置(例如在您的国家/地区)的存储库 URL。找到一个 URL(通过搜索“pypi url”+“#your_country”)并按照这个链接设置它