python - linux 模块未找到错误 : No module named '_ctypes

Question

[root@ONEVPS190105040754 ~]# youtube-dl -V
Traceback (most recent call last):
  File "/usr/local/python3/lib/python3.7/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/usr/local/python3/lib/python3.7/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/usr/local/bin/youtube-dl/__main__.py", line 16, in <module>
  File "/usr/local/bin/youtube-dl/youtube_dl/__init__.py", line 15, in <module>
  File "/usr/local/bin/youtube-dl/youtube_dl/options.py", line 8, in <module>
  File "/usr/local/bin/youtube-dl/youtube_dl/downloader/__init__.py", line 3, in <module>
  File "/usr/local/bin/youtube-dl/youtube_dl/downloader/common.py", line 9, in <module>
  File "/usr/local/bin/youtube-dl/youtube_dl/compat.py", line 7, in <module>
  File "/usr/local/python3/lib/python3.7/ctypes/__init__.py", line 7, in <module>
    from _ctypes import Union, Structure, Array
ModuleNotFoundError: No module named '_ctypes'
[root@ONEVPS190105040754 ~]# yum  install libffi-dev
Loaded plugins: changelog, fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirror.metrocast.net
 * extras: mirrors.maine.edu
 * updates: mirrors.advancedhosters.com
No package libffi-dev available.
Error: Nothing to do

我打算使用 youtube-dl，但告诉我“ModuleNotFoundError:没有名为‘_ctypes’的模块”。在网上找了一些方法，比如“yum install libffi-dev”，还是不行

Centos7

Answer 1

这为我在 CentOS7 上解决了同样的错误:

yum install libffi-devel

引用:issue31652