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IT Nursery > News > virtualenv

virtualenv

Determine if Python is running inside virtualenv

Is it possible to determine if the current script is running inside a virtualenv environment? 15 Answers 15
  • May 9, 2022
  • 0 Comments

No module named pkg_resources

I’m deploying a Django app to a dev server and am hitting this error when I run pip install -r requirements.txt: Traceback (most ...
  • May 3, 2022
  • 0 Comments

Where does pip install its packages?

I activated a virtualenv which has pip installed. I did pip3 install Django==1.8 and Django successfully downloaded. Now, I want to open up ...
  • May 1, 2022
  • 0 Comments

How can I upgrade specific packages using pip and a requirements file?

I’m using pip with a requirements file, in a virtualenv, for my Django projects. I’m trying to upgrade some packages, notably Django itself, ...
  • April 30, 2022
  • 0 Comments

How to install psycopg2 with “pip” on Python?

I’m using virtualenv and I need to install “psycopg2”. I have done the following: pip install http://pypi.python.org/packages/source/p/psycopg2/psycopg2-2.4.tar.gz#md5=24f4368e2cfdc1a2b03282ddda814160 And I have the following messages: ...
  • April 29, 2022
  • 0 Comments

How do I update/upgrade pip itself from inside my virtual environment?

I’m able to update pip-managed packages, but how do I update pip itself? According to pip --version, I currently have pip 1.1 installed ...
  • April 23, 2022
  • 0 Comments

Using Python 3 in virtualenv

Using virtualenv, I run my projects with the default version of Python (2.7). On one project, I need to use Python 3.4. I ...
  • April 19, 2022
  • 0 Comments

What is the easiest way to remove all packages installed by pip?

I’m trying to fix up one of my virtualenvs – I’d like to reset all of the installed libraries back to the ones ...
  • April 17, 2022
  • 0 Comments

Use different Python version with virtualenv

I have a Debian system currently running with python 2.5.4. I got virtualenv properly installed, everything is working fine. Is there a possibility ...
  • April 13, 2022
  • 0 Comments

How can I install packages using pip according to the requirements.txt file from a local directory?

Here is the problem: I have a requirements.txt file that looks like: BeautifulSoup==3.2.0 Django==1.3 Fabric==1.2.0 Jinja2==2.5.5 PyYAML==3.09 Pygments==1.4 SQLAlchemy==0.7.1 South==0.7.3 amqplib==0.6.1 anyjson==0.3 ... ...
  • April 13, 2022
  • 0 Comments

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