小编fel*_*ade的帖子

我有一些bytes.

b'\x01\x02\x03'

并且int范围为0..255.

5

现在我想附加int到bytes这样的:

b'\x01\x02\x03\x05'

怎么做？没有append方法bytes.我甚至不知道如何使整数成为单个字节.

>>> bytes(5)
b'\x00\x00\x00\x00\x00'

我pip3似乎被打破了:

$ pip3 --version
Traceback (most recent call last):
  File "/usr/bin/pip3", line 5, in <module>
    from pkg_resources import load_entry_point
  File "/usr/lib/python3/dist-packages/pkg_resources.py", line 2708, in <module>
    working_set.require(__requires__)
  File "/usr/lib/python3/dist-packages/pkg_resources.py", line 686, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/lib/python3/dist-packages/pkg_resources.py", line 584, in resolve
    raise DistributionNotFound(req)
pkg_resources.DistributionNotFound: pip==1.5.6

我试图通过重新安装修复它pip3与easy_install3,但easy_install3也断了:

$ sudo easy_install3 --upgrade pip3
Traceback (most recent call last):
  File "/usr/bin/easy_install3", line 5, in <module>
    from pkg_resources import load_entry_point
  File "/usr/lib/python3/dist-packages/pkg_resources.py", line 2708, in <module> …