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2015-01-23recipetool: add python dependency scanning supportChristopher Larson1
This uses a standalone python script named `pythondeps` which now lives in scripts. It supports scanning for provided packages and imported modules/packages, the latter via the python ast. It's not perfect, and obviously conditional imports and try/except import blocks are handled naively, listing all the imports even if they aren't all used at once, but it gives the user a solid starting point for the recipe. Currently `python_dir` from setup.py isn't being handled in an ideal way. This is easily seen when testing the python-async package. There, the root of the project is the async package, so the root has __init__.py and friends, and the python provides scanning currently just assumes the basedir of that dir is the package name in this case, which is not correct. Forthcoming patches will resolve this. Signed-off-by: Christopher Larson <kergoth@gmail.com> Signed-off-by: Ross Burton <ross.burton@intel.com>