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我已经安装了 Django 1.4.3。然后当我使用 pip 升级 Django 时，我得到了这个错误。

$ pip install Django --upgrade
Downloading/unpacking Django from https://pypi.python.org/packages/source/D/Django/Django-1.5.2.tar.gz#md5=26e83e6394a15a86212777d5f61eae86
  Running setup.py egg_info for package Django

    warning: no previously-included files matching '__pycache__' found under directory '*'
    warning: no previously-included files matching '*.py[co]' found under directory '*'
Installing collected packages: Django
  Found existing installation: Django 1.4.3
    Uninstalling Django:
Exception:
Traceback (most recent call last):
  File "/Library/Python/2.7/site-packages/pip-1.3.1-py2.7.egg/pip/basecommand.py", line 139, in main
    status = self.run(options, args)
  File "/Library/Python/2.7/site-packages/pip-1.3.1-py2.7.egg/pip/commands/install.py", line 271, in run
    requirement_set.install(install_options, global_options, root=options.root_path)
  File "/Library/Python/2.7/site-packages/pip-1.3.1-py2.7.egg/pip/req.py", line 1181, in install
    requirement.uninstall(auto_confirm=True)
  File "/Library/Python/2.7/site-packages/pip-1.3.1-py2.7.egg/pip/req.py", line 495, in uninstall
    paths_to_remove.remove(auto_confirm)
  File "/Library/Python/2.7/site-packages/pip-1.3.1-py2.7.egg/pip/req.py", line 1518, in remove
    renames(path, new_path)
  File "/Library/Python/2.7/site-packages/pip-1.3.1-py2.7.egg/pip/util.py", line 293, in renames
    shutil.move(old, new)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 296, in move
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 249, in rmtree
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 247, in rmtree
OSError: [Errno 13] Permission denied: '/Library/Python/2.7/site-packages/Django-1.4.3-py2.7.egg-info/dependency_links.txt'

当我试图卸载 Django 1.4.3 时，

$ pip uninstall django

我遇到了类似的错误。

当我安装 Django 1.4.3 时，我没有下载它。我只是使用 pip 并且它有效。然后我下载了 Django 1.5.2 并尝试升级，但没有成功。

这可能是个愚蠢的问题：为什么我不需要下载 Django 1.4.3 来安装它？而且我也无法弄清楚这个错误是什么意思。

在下载和安装时，我总是很困惑。我不完全理解终端发生了什么。

任何帮助表示赞赏。

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0 回答 0