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pythonpython-3.xvirtualenvdevelopment-environment

ImportError: No module named 'encodings'

I recently reinstalled ubuntu and did upgrade to 16.04 and cannot use python:

$ python manage.py runserver
Could not find platform independent libraries <prefix>
Could not find platform dependent libraries <exec_prefix>
Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
Fatal Python error: Py_Initialize: Unable to get the locale encoding
ImportError: No module named 'encodings'
Aborted

At this point, python itself doesn't work

$ python
Could not find platform independent libraries <prefix>
Could not find platform dependent libraries <exec_prefix>
Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
Fatal Python error: Py_Initialize: Unable to get the locale encoding
ImportError: No module named 'encodings'
Aborted

Even this suggestion is no longer working:

unset PYTHONHOME
unset PYTHONPATH

Every every I fix it one way, it comes back again. Several answers help to fix it temporarily, but not for good. I have reinstalled python and python3 several times. What can I do from here?

Solution

  • For Python-3 try removing virtual environment files. And resetting it up.

    rm -rf venv
virtualenv -p /usr/bin/python3 venv/
source venv/bin/activate
pip install -r requirements.txt

    https://wiki.ubuntu.com/XenialXerus/ReleaseNotes#Python_3 edit fo