Re: [Pyobjc-dev] Using py2app and distributing a self-contained plug-in which depends on other python libraries in an ObjC/Cocoa application

[Bob I. <bo...@re...>]

On Apr 23, 2005, at 11:49 PM, Eric Hochmeister wrote:

> I've written a python pyObjC based plug-in which I would like to
> include in a Cocoa application.  This plugin depends on another python
> based library which I would like to include in the final deliverable
> application (in the app wrapper).  I currently was working using the
> 'python setup.py py2app -A'  as seen in the tutorial on the web.  This
> was great for development and everything was fine.  The issue now is
> that I want to create a finished product and I haven't figured out how
> to do this.

Just remove the -A, and it will include everything it needs.

> My objective is to not require the user to install the library the
> plugin depends on themselves.  I would like to include this library in
> the app wrapper.  I have read some material (tried reading everything
> I could on using py2app) but I have no found a concrete example and
> was hoping someone could help me out.

Well, maybe you're looking too hard.  Every example is a concrete 
example of this.

> Do I just have to do a 'python setup.py py2app' and remove the -A
> parameter and that's it?  From what I've read, py2app will discover
> the dependencies and include them within the plug-in component.  It
> stores the dependencies in a site-packages.zip file??  Will it unzip
> this package at run-time and use the dependency???

Python has a native zipimporter that allows it to load Python source or 
bytecode directly from zip files.

> How does this work?

Read the source?

> Can anyone give me an explanation or direct me to materials which will
> help me achieve this goal?  I just want the library to exist within
> the app wrapper so that the application can be moved anywhere on the
> Mac system and be usable.

Some further explanation is in the documentation here: 
http://undefined.org/python/py2app.html

-bob