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Thread: A question regarding pip's default installation path.

  1. #1

    Default A question regarding pip's default installation path.

    Hello all,

    I am currently running Opensuse 13.2, 64 bit version on my computer. By default, on my system both python3.4 and python2.7 were installed(I am not sure whether they were installed because I "patch"ed it.) Normally when I type "python" on commandline python2.7 gets callled. My problem is when I try to make system-wide installation for python using pip, pip's default installation path seems to be python3.4/site-packages directory, but I don't want that. Also when typed "pip list", it seems that packages within python3.4 directory gets displayed but not packages inside python2.7. Besides that, when I install virtualenv and virtualenvwrapper using pip, it causes some problems. For example, virtualenv uses python3.4 by default when a project gets created. Virtualenvwrapper.sh file within /usr/bin directory returns an error since it looks inside python2.7 directory and cannot find anything, but it is actually installed within python3.4.

    My question is how can I change pip's default installation path?

    Although I made a lot searches on the web, I could not find a decent answer.

  2. #2
    Join Date
    May 2012
    Location
    Finland
    Posts
    2,001

    Default Re: A question regarding pip's default installation path.

    Install python-pip with zypper in python-pip , run update-alternatives --config pip and choose the 2.7 version and that oughta do it.

    python and pip should now default to 2.7. python3 and pip3 would be used for 3.x after that.
    .: miuku #suse @ irc.freenode.net
    :: miuku@opensuse.org

    .: h​ttps://download.opensuse.org/repositories/home:/Miuku/

  3. #3

    Default Re: A question regarding pip's default installation path.

    I think I figured out the problem. easy_install command installs pip to python3.4 directory by default. I also tried using "zypper in python-pip" and had lots of errors.

    Here are the errors:


    @linux-155p:~> pip
    Traceback (most recent call last):
    File "/usr/bin/pip", line 9, in <module>
    load_entry_point('pip==1.5', 'console_scripts', 'pip2.7')()
    File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 356, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
    File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 2476, in load_entry_point
    return ep.load()
    File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 2190, in load
    ['__name__'])
    File "/usr/lib/python2.7/site-packages/pip/__init__.py", line 8, in <module>
    from pip.exceptions import InstallationError, CommandError, PipError
    File "/usr/lib/python2.7/site-packages/pip/pip/__init__.py", line 13, in <module>
    from pip.utils import get_installed_distributions, get_prog
    File "/usr/lib/python2.7/site-packages/pip/utils/__init__.py", line 18, in <module>
    from pip.locations import (
    File "/usr/lib/python2.7/site-packages/pip/locations.py", line 9, in <module>
    from pip.backwardcompat import get_python_lib, get_path_uid, user_site
    ImportError: No module named backwardcompat

  4. #4

    Default Re: A question regarding pip's default installation path.

    I think, I've done something really stupid.

    To delete all python packages and reinstalling them I tried following:
    1. sudo zypper remove python. (although did not delete /usr/lib/python2.x and 3.x)
    2. sudo zypper install python (although did not install any of the packages that were deleted.)

    What happened was tons of packages were deleted. here is the list from commandline:

    apper command-not-found dbus-1-python gimp-plugins-python PackageKit PackageKit-backend-zypp PackageKit-branding-openSUSE python
    python-configobj python-cupshelpers python-decorator python-gobject python-gobject2 python-gobject-cairo python-gtk python-Jinja2
    python-kde4 python-kde4-akonadi python-kde4-khtml python-kde4-knewstuff python-kde4-phonon python-kde4-plasma python-kdebase4
    python-MarkupSafe python-numpy python-pycurl python-qt4 python-simplejson python-sip python-six python-solv rpm-python scout
    snapper-zypp-plugin synaptiks system-config-printer system-config-printer-applet system-config-printer-common
    system-config-printer-dbus-service tuned udev-configure-printer



    Any suggestions?

  5. #5
    Join Date
    May 2012
    Location
    Finland
    Posts
    2,001

    Default Re: A question regarding pip's default installation path.

    If this is a completely fresh untouched system with nothing, reinstall, install pip and update-alt like I showed easier, do NOT run easy_install and it should be fine.
    .: miuku #suse @ irc.freenode.net
    :: miuku@opensuse.org

    .: h​ttps://download.opensuse.org/repositories/home:/Miuku/

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