小白安装 pyinstaller 失败解决过程

最终解决办法

指定 pip 源为国内镜像

 pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple pyinstaller

实际安装过程

首先是参考了官方安装教程， 但是执行了几次都失败了，要么下载过程中断，要么安装过程依赖出现了问题；然后参考了几篇博客，统一的说法是手动下载安装包，然后解压到本地，手动安装。

最终结果仍然是失败，只能说这些方法对我不管用。 下面会贴出详细步骤：

一、官方安装教程

pip install pyinstaller

执行结果如下：

反复执行的结果，就是如下两种情况。

效果图 1

Collecting pyinstaller
  Downloading https://files.pythonhosted.org/packages/3c/c9/c3f9bc64eb11eee6a824686deba6129884c8cbdf70e750661773b9865ee0/PyInstaller-3.6.tar.gz (3.5MB)
     |▌                               | 61kB 4.6kB/s eta 0:12:35ERROR: Exception:
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 425, in _error_catcher
    yield
  File "/usr/local/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 507, in read
    data = self._fp.read(amt) if not fp_closed else b""
  File "/usr/local/lib/python3.7/site-packages/pip/_vendor/cachecontrol/filewrapper.py", line 62, in read
    data = self.__fp.read(amt)
  File "/usr/local/Cellar/python/3.7.5/Frameworks/Python.framework/Versions/3.7/lib/python3.7/http/client.py", line 457, in read
    n = self.readinto(b)
  File "/usr/local/Cellar/python/3.7.5/Frameworks/Python.framework/Versions/3.7/lib/python3.7/http/client.py", line 501, in readinto
    n = self.fp.readinto(b)
  File "/usr/local/Cellar/python/3.7.5/Frameworks/Python.framework/Versions/3.7/lib/python3.7/socket.py", line 589, in readinto
    return self._sock.recv_into(b)
  File "/usr/local/Cellar/python/3.7.5/Frameworks/Python.framework/Versions/3.7/lib/python3.7/ssl.py", line 1071, in recv_into
    return self.read(nbytes, buffer)
  Fil