Hi everyone,
I've been working on figuring out the best way to get packing for
Quantum going. Here is my proposal on how to proceed.
To keep in line with how Nova does things, I think we should use
Python's setuptools to manage building packages (with a supplemental
build script for Debian packaging). Using setup tools's namespace
packages
<http://packages.python.org/distribute/setuptools.html#namespace-packages>
we can split Quantum up into multiple chunks that can be installed
separately, but all reside underneath a single Quantum namespace on the
system.
In order to accommodate that, we'll need to break the Quantum structure
up into directories for each individual package. I'm proposing we break
it up like so:
quantum/
__init__.py
core/
__init__.py
manager.py
service.py
/ wsgi.py
/ setup.py
// client/
__init__.py
client.py
cli.py
setup.py
tests/
__init__.py
unit/
__init__.py
test_api.py
testlib_api.py
setup.py
common/
__init__.py
/ serilizer.py
utils.py
/setup.py
/
/(Just listing some of the file to help get a sense of what would go
where). Essentially, the tests and all client related code would be
broken out into their respective directories. The "core" (or whatever
we call it), would contain the code that runs the server, etc. The
common directory would contain tools used by multiple packages, and
would be a dependency to them. Lastly, plugins will be able to package
themselves under the quantum namespace, so distributing plugins will be
simple.
The italicized files will need to be reorganized to fit properly with
the new layout.
With a structure like this, we could build each project with "python
setup.py bdist_rpm". It'd be trivial to include a script that builds
all of them. Like in Nova, a shell script could be used to build the
Debian packages.
When these packages are installed, the namespace packaging will allow
them to see each other and work together.
Please comment/ask questions. I'm not extremely familiar with packing
Python projects, so I'd love any suggestions/advice.
Thanks,
-Tyler Smith
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