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I am running virtualenvwrapper and friends on Ubuntu 12.04 (virtualenvwrapper 1.7.1.2, virtualenv 1.7.1.2, pip 1.0, Distribute 0.6.24, Python 2.7). To be able to pip install matplotlib I need a newer version of Distribute/setuptools, so I do the following:
$ mkvirtualenv new_venv
$ pip install matplotlib # fails
$ easy_install -U distribute
# installs Distribute 0.7.3 in the venv,
# which then installs setuptools 1.3.1
$ pip install matplotlib # works
However, when I run pip freeze I get:
argparse==1.2.1
distribute==0.7.3 # here's Distribute
matplotlib==1.3.1
nose==1.3.0
numpy==1.8.0
pyparsing==2.0.1
python-dateutil==2.2
six==1.4.1
tornado==3.1.1
wsgiref==0.1.2
Where is setuptools? I've tried just pip install setuptools and it also fails to show up there.
912
pip is a higher-level interface on top of setuptools or Distribute. It uses them to perform many of its functions but avoids some of their more controversial features, like zipped eggs.
The most common command is pip freeze > requirements. txt , which records an environment's current package list into requirements. txt. If you want to install the dependencies in a virtual environment, create and activate that environment first, then use the Install from requirements.
pip freeze shows packages YOU installed via pip (or pipenv if using that tool) command in a requirements format. Remark below that setuptools, pip, wheel are installed when pipenv shell creates my virtual envelope.
pip won't list packages that pip itself depends on unless you tell it to. You may include such packages by doing:
pip freeze --all
freeze lists packages in a requirements-format - for use in requirements files etc - while list is just that, a list.
See Pip freeze vs. pip list for more details.
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