pip won't ignore system-installed files

N

Neal Becker

IIUC, it is perfectly legitimate to do install into --user to override system-
wide installed modules. Thus, I should be able to do:

pip install --user --up blah

even though there is already a package blah in
/usr/lib/pythonxxx/site_packages/...

But even with -I (ignore installed) switch, pip fails:

pip install --user --up -I matplotlib
....
Installing collected packages: matplotlib, numpy, python-dateutil, tornado,
pyparsing, nose, six
Found existing installation: matplotlib 1.2.0
Uninstalling matplotlib:
Exception:
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/pip-1.2.1-
py2.7.egg/pip/basecommand.py", line 107, in main
status = self.run(options, args)
File "/usr/lib/python2.7/site-packages/pip-1.2.1-
py2.7.egg/pip/commands/install.py", line 261, in run
requirement_set.install(install_options, global_options)
File "/usr/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg/pip/req.py", line
1162, in install
requirement.uninstall(auto_confirm=True)
File "/usr/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg/pip/req.py", line
495, in uninstall
paths_to_remove.remove(auto_confirm)
File "/usr/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg/pip/req.py", line
1492, in remove
renames(path, new_path)
File "/usr/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg/pip/util.py", line
273, in renames
shutil.move(old, new)
File "/usr/lib64/python2.7/shutil.py", line 302, in move
os.unlink(src)
OSError: [Errno 13] Permission denied: '/usr/lib64/python2.7/site-
packages/matplotlib-1.2.0-py2.7.egg-info'

Can we please fix this?
 

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