在ubuntu 15.04上安装flask framework时出错

Question

我正在尝试在我的ubuntu15.04上安装flask框架。它给了我这个错误，我无法理解。如果有人能帮忙就好了

错误：

pragati@pragati-ubuntu:~/Python-2.7.11$ sudo pip install flask
[sudo] password for pragati: 
Downloading/unpacking flask
  Downloading Flask-0.10.1.tar.gz (544kB): 544kB downloaded
Cleaning up...
Exception:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 122, in main
    status = self.run(options, args)
  File "/usr/lib/python2.7/dist-packages/pip/commands/install.py", line 304, in run
    requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
  File "/usr/lib/python2.7/dist-packages/pip/req.py", line 1230, in prepare_files
    req_to_install.run_egg_info()
  File "/usr/lib/python2.7/dist-packages/pip/req.py", line 293, in run_egg_info
    logger.notify('Running setup.py (path:%s) egg_info for package %s' % (self.setup_py, self.name))
  File "/usr/lib/python2.7/dist-packages/pip/req.py", line 266, in setup_py
    import setuptools
  File "/usr/share/python-wheels/setuptools-18.4-py2.py3-none-any.whl/setuptools/__init__.py", line 12, in <module>
    from setuptools.extension import Extension
  File "/usr/share/python-wheels/setuptools-18.4-py2.py3-none-any.whl/setuptools/extension.py", line 8, in <module>
  File "/usr/share/python-wheels/setuptools-18.4-py2.py3-none-any.whl/setuptools/dist.py", line 21, in <module>
AttributeError: 'module' object has no attribute 'packaging'

Storing debug log for failure in /home/pragati/.pip/pip.log

Answer 1

这是最好的工作方式。在使用python开发项目时，您将保护安装在os上的python。当您激活virtualenv时，您不应该使用sudo，然后您可以检查您正在使用哪个pip或python：

which pip 

Virtualenv

Answer 2

这可能与编译的文件有关。 尝试删除*.pyc文件，然后重新运行安装程序。在

我的另一个建议（看起来你不是这样的）是应该使用一个虚拟环境，这样就可以避免使用sudo。在

Answer 3

您需要卸载distribute库并重新安装：

sudo pip uninstall distribute

然后再试一次。在