On Tue, 29 Sep 2015 at 10:47 Chirag Shahani <chirag.shah...@gmail.com>
wrote:
> Hi,
>
> Could any one please help me understand the following:
>
> Suppose I install a python package using python setup.py install provided
> by the developer of a package. I need to track that changes in my file
> system.. meaning what new directories and files got created? Also, what is
> the concept of the egg file that gets created? What would be the location
> of this egg file and how would it be named ****.egg? Also, the ***.egg-info
> directory?
>
It really depends. The setup.py script is really just an arbitrary program
that can do anything and can create files in any location it chooses.
Mostly setup.py files have a standard behaviour which is to install files
in the site-packages folder for your Python installation (unless you
provide command line options indicating an alternative location) and to
install executables so that they will be available on PATH.
So usually if I have a project called project_name then it will create a
folder called project_name in the site-packages folder and then fill that
folder with Python files and maybe some other data files. Really though it
could do anything so if you need to know exactly what it's doing then
you'll need to read the setup.py and understand distutils and setuptools.
For example in my system the site-packages folder is called
/usr/lib/python2.7/dist-packages
For some reason Ubuntu calls it dist-packages but in most Python
installations it is called site-packages. If I install ipython by running
its setup.py then I will have an egg-info file called:
/usr/lib/python2.7/dist-packages/ipython-0.12.1.egg-info
and also a folder called
/usr/lib/python2.7/dist-packages/IPython
which contains all of the Python files for ipython. It also installs an
executable file called ipython which is found at
/usr/bin/ipython
The exact details of what files are installed and where they go can vary
depending on what operating system and Python version you are using.
--
Oscar
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