Mycroft-core: 安装程序 Python 脚本失败。 -- 没有名为“_ctypes”的模块。

似乎是一种解决方法。 但这仍然是一个错误。
https://stackoverflow.com/questions/27022373/python3-importerror-no-module-named-ctypes-when-using-value-from-module-mul

在 Raspbian 上，这可以添加到安装脚本中：

Git已经安装好了。 因此，通过 git 将 git repo 下载到“mycroft-core”目录内的“cpython”子目录中：

git clone https://github.com/python/cpython.git

并构建和编译它：

cd cpython

./configure
make -j 4
sudo make altinstall

cd ..

如果未安装 git，（因为此脚本在所有 Linux 上运行），请在git clone之前考虑这一点：
从源安装：
https://git-scm.com/book/en/v2/Getting-Started-Installing-Git

新问题：

编译并安装cpython ， start-mycroft.sh脚本仍然失败，但失败后继续：

Traceback (most recent call last):
  File "<stdin>", line 20649, in <module>
  File "<stdin>", line 197, in main
  File "<stdin>", line 82, in bootstrap
  File "/tmp/tmpy509z2ho/pip.zip/pip/_internal/__init__.py", line 42, in <module>
  File "/tmp/tmpy509z2ho/pip.zip/pip/_internal/cmdoptions.py", line 16, in <module>
  File "/tmp/tmpy509z2ho/pip.zip/pip/_internal/index.py", line 25, in <module>
  File "/tmp/tmpy509z2ho/pip.zip/pip/_internal/download.py", line 39, in <module>
  File "/tmp/tmpy509z2ho/pip.zip/pip/_internal/utils/glibc.py", line 3, in <module>
  File "/usr/local/lib/python3.7/ctypes/__init__.py", line 7, in <module>
    from _ctypes import Union, Structure, Array
ModuleNotFoundError: No module named '_ctypes'
Failed to set up virtualenv for mycroft, exiting setup.
start-mycroft.sh:  Mycroft command/service launcher
usage: start-mycroft.sh [COMMAND] [restart] [params]

Services COMMANDs:
  all                      runs core services: bus, audio, skills, voice
  debug                    runs core services, then starts the CLI
  audio                    the audio playback service
  bus                      the messagebus service
  skills                   the skill service
  voice                    voice capture service
  enclosure                mark_1 enclosure service

Tool COMMANDs:
  cli                      the Command Line Interface
  unittest                 run mycroft-core unit tests (requires pytest)
  skillstest               run the skill autotests for all skills (requires pytest)

Util COMMANDs:
  audiotest                attempt simple audio validation
  audioaccuracytest        more complex audio validation
  sdkdoc                   generate sdk documentation

Options:
  restart                  (optional) Force the service to restart if running

Examples:
  start-mycroft.sh all
  start-mycroft.sh all restart
  start-mycroft.sh cli
  start-mycroft.sh unittest

失败后，它就像安装了一样。

尝试使用./start-mycroft.sh debug ，它失败并出现多个错误：

ModuleNotFoundError: No module named '_ctypes'
Failed to set up virtualenv for mycroft, exiting setup.

Starting all mycroft-core services
Initializing...
Starting background service bus
CAUTION: The Mycroft bus is an open websocket with no built-in security
         measures.  You are responsible for protecting the local port
         8181 with a firewall as appropriate.
./start-mycroft.sh: line 140: /var/log/mycroft/bus.log: No such file or directory
Starting background service skills
./start-mycroft.sh: line 140: /var/log/mycroft/skills.log: No such file or directory
Starting background service audio
./start-mycroft.sh: line 140: /var/log/mycroft/audio.log: No such file or directory
Starting background service voice
./start-mycroft.sh: line 140: /var/log/mycroft/voice.log: No such file or directory
Starting background service enclosure
./start-mycroft.sh: line 140: /var/log/mycroft/enclosure.log: No such file or directory
Starting cli
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/runpy.py", line 183, in _run_module_as_main
    mod_name, mod_spec, code = _get_module_details(mod_name, _Error)
  File "/usr/local/lib/python3.7/runpy.py", line 109, in _get_module_details
    __import__(pkg_name)
  File "/home/pi/Mycroft/mycroft-core/mycroft/__init__.py", line 17, in <module>
    from mycroft.api import Api
  File "/home/pi/Mycroft/mycroft-core/mycroft/api/__init__.py", line 18, in <module>
    import requests
ModuleNotFoundError: No module named 'requests'

猜测你没有使用 picroft，它只是有效。

      Guessing you're not using picroft, which just works.

正确的。 因为我也喜欢在 GUI 环境中用我的 Rpi 做其他事情，而 Picroft 无法正常运行并且没有检测到基本的 USB 麦克风。 没有 GUI 就无法报告错误

这真是一个很奇怪的问题。 好像你设备上的python环境不太好用之类的？ _ctypes 包含在用于创建 mycroft virtualenv 的本地 python 标准库中。

能否尝试删除mycroft-core 目录rm -rf .venv的.venv文件夹，然后重新运行dev_setup.sh 脚本？

嗨，由于 4 个月没有就这个问题进行沟通，我将关闭它。 如果您仍然遇到此问题，请随时重新打开该问题。

我在这里找到了答案，Zachary Ware 的答案。 我用yum install libffi-dev来修复它。

我在这里找到了答案，Zachary Ware 的答案。 我用yum install libffi-dev来修复它。

是的，这对我有用，我确保这些软件包安装在我的 Centos 7 上：

sudo yum install -y zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel expat-devel libffi-dev gcc gcc-c++ zlib libffi-devel

然后重新安装我的python 3.8.1：

wget http://python.org/ftp/python/3.6.8/Python-3.6.8.tar.xz

tar xf Python-3.6.8.tar.xz

cd Python-3.6.8

./configure --prefix=/usr/local --enable-shared LDFLAGS="-Wl,-rpath /usr/local/lib"

make && make altinstall

然后我终于能够安装docker-compose：

pip3.8 install docker-compose

谢谢@grosshen