Si al ejecutar pip, nos aparece el siguiente error:
$ pip
Traceback (most recent call last):
File "/usr/local/bin/pip", line 5, in
from pkg_resources import load_entry_point
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2707, in
working_set.require(__requires__)
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 686, in require
needed = self.resolve(parse_requirements(requirements))
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 584, in resolve
raise DistributionNotFound(req)
pkg_resources.DistributionNotFound: pip==1.1
puede ser debido a que es necesario actualizar el propio pip:
$ sudo easy_install --upgrade pip
Searching for pip
Reading http://pypi.python.org/simple/pip/
Best match: pip 1.4
Downloading https://pypi.python.org/packages/source/p/pip/pip-1.4.tar.gz#md5=ca790be30004937987767eac42cfa44a
Processing pip-1.4.tar.gz
Running pip-1.4/setup.py -q bdist_egg --dist-dir /tmp/easy_install-XSmFvr/pip-1.4/egg-dist-tmp-jmeGZW
warning: no files found matching '*.html' under directory 'docs'
warning: no previously-included files matching '*.rst' found under directory 'docs/_build'
no previously-included directories found matching 'docs/_build/_sources'
Adding pip 1.4 to easy-install.pth file
Installing pip script to /usr/local/bin
Installing pip-2.7 script to /usr/local/bin
Installed /usr/local/lib/python2.7/dist-packages/pip-1.4-py2.7.egg
Processing dependencies for pip
Finished processing dependencies for pip
Comprobamos que se ha solucionado:
$ pip
Usage:
pip [options]
Commands:
install Install packages.
uninstall Uninstall packages.
freeze Output installed packages in requirements format.
list List installed packages.
show Show information about installed packages.
search Search PyPI for packages.
wheel Build wheels from your requirements.
zip Zip individual packages.
unzip Unzip individual packages.
bundle Create pybundles.
help Show help for commands.
General Options:
-h, --help Show help.
-v, --verbose Give more output. Option is additive, and can be used up to 3 times.
-V, --version Show version and exit.
-q, --quiet Give less output.
--log Log file where a complete (maximum verbosity) record will be kept.
--proxy Specify a proxy in the form [user:passwd@]proxy.server:port.
--timeout Set the socket timeout (default 15 seconds).
--exists-action Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup.
--cert Path to alternate CA bundle.