virtualenv – Page 8 – Tarik Billa

Conda set LD_LIBRARY_PATH for env only [duplicate]

August 12, 2023 by Tarik

You can set environment variables when an environment is activated by editing the activate.d/env_vars.sh script. See here: https://conda.io/docs/user-guide/tasks/manage-environments.html#macos-and-linux The key portions from that link are: Locate the directory for the conda environment in your Terminal window, such as /home/jsmith/anaconda3/envs/analytics. Enter that directory and create these subdirectories and files: cd /home/jsmith/anaconda3/envs/analytics mkdir -p ./etc/conda/activate.d mkdir -p … Read more

Could not build wheels for _ which use PEP 517 and cannot be installed directly – Easy Solution

August 7, 2023 by Tarik

The easiest solution to deal with the error “Could not build wheels for ____ which use PEP 517 and cannot be installed directly” is the following: sudo pip3 install _____ –no-binary :all: Where ____ is obviously the name of the library you want to install.

How to create virtual env with python3

August 5, 2023 by Tarik

In Python 3.6+, the pyvenv module is deprecated. Use the following one-liner instead: python3 -m venv <myenvname> This is the recommended way to create virtual environments by the Python community.

Sharing scripts that require a virtualenv to be activated

August 4, 2023 by Tarik

Use the following magic(5) at the start of the script. #!/usr/bin/env python Change which virtualenv is active and it’ll use the python from that virtualenv. Deactivate the virtualenv, it still runs.

Installing PyGtk in virtualenv

August 3, 2023 by Tarik

The trick is to manually set the correct paths and then run configure inside the virtualenv. This is quite basic, but it worked for me. Install python-config in the virtual env and link it to python2.7-config: pip install config ln -s /home/PATH/TO/VIRT/bin/python-config /home/PATH/TO/VIRT/bin/python2.7-config Install cairo in the virtual env: wget http://cairographics.org/releases/py2cairo-1.10.0.tar.bz2 tar -xf py2cairo-1.10.0.tar.bz2 cd … Read more

Batch equivalent of “source” on Windows: how to run a Python script from a virtualenv

July 31, 2023 by Tarik

I’d say you just need to prepend ‘call’ to your activate.bat invocation, to ensure that the current batch file is resumed after activate is executed: call %~dp0env\Scripts\activate.bat Consider doing the same for deactivate.bat. Furthermore, if you want to ensure that the current cmd.exe environment is not polluted by a call to your batch file, consider … Read more

how to make py.test –cov skip virtualenv directory

July 28, 2023 by Tarik

In the root of your project, create file .coveragerc containing: [run] omit = path_to_libs_to_omit/* Depending on your setup, you might need to add –cov-config=path/to/.coveragerc as option to the py.test command. There are more options you can use to configure coverage.

venv doesn’t create activate script python3

July 28, 2023 by Tarik

Looks like you are using Ubuntu 14.04. It was shipped with a broken pyvenv. There is a simple work around to create venv using Python 3 1. Create venv without pip python3 -m venv –without-pip test4 or pyvenv-3.4 –without-pip test4 2. Get pip in your env source test4/bin/activate curl https://bootstrap.pypa.io/get-pip.py | python deactivate source test4/bin/activate … Read more

gcc error trying to install PIL in a Python2.6 virtualenv

July 24, 2023 by Tarik

You need to install python-dev package. sudo apt-get install python-dev

Django – ImproperlyConfigured: Module “django.contrib.auth.middleware”

July 24, 2023 by Tarik

easy solution just remove ‘django.contrib.auth.middleware.SessionAuthenticationMiddleware’, from MIDDLEWARE_CLASSES = ( … … ) in your project’s settings.py then, it should work!