Question :
I run python 2.7.6 with virtualenv, virtualenvwrapper under ubuntu 14.04.
now i have installed python 2.7.9 from source. the new python interpreter is now located under /usr/local/bin but it seems the old interpreter is also located under /usr/bin.
if I run python shell it shows up python2.7.9. but if I use mkvirtualenv venv I am getting the following message.
New python executable in venv/bin/python
Installing setuptools, pip…done.
Blockquote /usr/local/bin/python: No module named virtualenvwrapper
old .bashrc (with working configuration using python 2.7.6 interpreter)
# virtualenv-wrappper path
export WORKON_HOME=$HOME/.virtualenvs
export VIRTUALENVWRAPPER_PYTHON=/usr/bin/python
export VIRTUALENVWRAPPER_VIRTUALENV=/usr/local/bin/virtualenv
source /usr/local/bin/virtualenvwrapper.sh
new .bashrc (with failure configuration)
# virtualenv-wrappper path
export WORKON_HOME=$HOME/.virtualenvs
export VIRTUALENVWRAPPER_PYTHON=/usr/local/bin/python
export VIRTUALENVWRAPPER_VIRTUALENV=/usr/local/bin/virtualenv
source /usr/local/bin/virtualenvwrapper.sh
with the new .baschrc I type in source .bashrc and get the following output.
/usr/local/bin/python: No module named virtualenvwrapper
virtualenvwrapper.sh: There was a problem running the initialization hooks.If Python could not import the module virtualenvwrapper.hook_loader,
check that virtualenvwrapper has been installed for
VIRTUALENVWRAPPER_PYTHON=/usr/local/bin/python and that PATH is
set properly.
And I have also tried which -a python:
output:
/usr/local/bin/python
/usr/bin/python
I want to use python 2.7.9 with virtualenv and virtualenvwrapper. so what I have to do to get this running ?
Answer #1:
You need to install them under python 2.7.9 by specifying the path to correct version of pip to be used
/usr/local/bin/pip install virtualenv virtualenvwrapper
otherwise, when running pip install the sytem will use the default one (i.e. the one located at /usr/bin/pip)
Answer #2:
If you have modified your virtualenvwrapper to point to python3, like I do, add the following line in your .bashrc file :
export VIRTUALENVWRAPPER_PYTHON=/usr/bin/python3
making sure that it’s placed before the following line (if you have it):
source /usr/local/bin/virtualenvwrapper.sh
Then, make sure you install the virtualenv and virtualenvwrapper using:
sudo /usr/local/bin/pip3 install virtualenv virtualenvwrapper
Answer #3:
source /usr/local/bin/virtualenvwrapper_lazy.sh
when use pyenv:
export PYENV_ROOT="${HOME}/.pyenv"
if [ -d "${PYENV_ROOT}" ]; then
export PATH="${PYENV_ROOT}/bin:${PATH}"
eval "$(pyenv init -)"
fi
export PATH
export WORKON_HOME=$HOME/.virtualenvs
export VIRTUALENVWRAPPER_SCRIPT=/usr/local/bin/virtualenvwrapper.sh
#important
source /usr/local/bin/virtualenvwrapper_lazy.sh
