Python's import situation has driven me to the brink of imsanity

Kevin Conway kevinjacobconway at gmail.com
Sun Feb 7 11:09:11 EST 2016


You can use 'setup.py develop' or 'pip install -e' to install your package
in editable mode. It makes it so your local code is used. Modifications are
seen immediately.

On Sun, Feb 7, 2016, 08:16  <dimva13 at gmail.com> wrote:

> I see that this would work once you've installed the package, but how do
> you develop it? Say you are working on a change that modifies both email.py
> and reports.py. Do you run setup.py every time you make a change in
> email.py?
>
> On Sunday, February 7, 2016 at 1:35:15 AM UTC-5, Kevin Conway wrote:
> > > My question is: is this crazy? Please tell me there's a better way and
> I
> > just wasted my time creating this package.
> >
> > There is a better way and you have wasted your time creating this
> package.
> >
> > I hear your problem statement as asking two questions. The first is: What
> > is the right way to include executable content in my Python project? The
> > second is: How do I expose executable content from a Python project?
> >
> > As to the first question, from your project README:
> > > Say you have a python project (not a package), with the following
> > structure:
> >
> > All Python code that you want to install and make available in any form,
> > import or executable, _must_ be contained within a Python package.
> > Organizing Python code in any way other than Python packages will result
> in
> > the challenges you have described. The correct way to include executable
> > content is to place the Python code within the package structure. It
> should
> > not be put in other directories within the repository root.
> >
> > As to the second question, once all Python code is contained within a
> > package that can be installed you can use setuptools entry points to
> expose
> > the executable code. The setup() function from setuptools that is used to
> > create setup.py files has an argument called 'entry_points' that allows
> you
> > to expose executable content over the command line. See [1] and [2] for
> > more details.
> >
> > Feel free to reach out to me off-list if you have a specific project you
> > need advice on. The rules for organizing and packaging Python code aren't
> > complex but they tend to cause new Python developers to stumble at
> first. A
> > general rule I give everyone when talking about packaging or importing
> > code: If you have to modify sys.path to makes something work then you
> have
> > most certainly made a mistake.
> >
> > [1]
> >
> https://pythonhosted.org/setuptools/setuptools.html#automatic-script-creation
> > [2]
> >
> http://python-packaging.readthedocs.org/en/latest/command-line-scripts.html#the-console-scripts-entry-point
> >
> >
> > On Sat, Feb 6, 2016 at 8:54 PM Chris Angelico <rosuav at gmail.com> wrote:
> >
> > > On Sun, Feb 7, 2016 at 1:47 PM,  <dimva13 at gmail.com> wrote:
> > > > Imsanity allows you to make imports usable (not ideal, but at least
> > > usable) for python projects without having to manage PYTHONPATHs or do
> > > whacky stuff like running files with python -m or put even whackier
> > > boilerplate at the top of every file. And all it requires is 'import
> > > imsanity' at the top of every file. You can put it in a macro or even
> just
> > > type it because it's short and easy to remember.
> > > >
> > > > My question is: is this crazy? Please tell me there's a better way
> and I
> > > just wasted my time creating this package. There's nothing I'd like to
> hear
> > > more.
> > >
> > > Well, anything that makes you type "import imsanity" at the top of
> > > every script MUST be crazy. :) I don't know about the actual
> > > content/purpose though. Good luck with it!
> > >
> > > ChrisA
> > > --
> > > https://mail.python.org/mailman/listinfo/python-list
> > >
>
> --
> https://mail.python.org/mailman/listinfo/python-list
>


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