I have been experimenting with the pkg.client.api API to get the
expected disk usage for the installer, given a set of packages. There
are no examples in the documentation, which is in "pydoc
pkg.client.api", but I came up with this (some code removed):
api_inst = api.ImageInterface(img_dir, CLIENT_API_VERSION,
progresstracker, None, PKG_CLIENT_NAME)
api.image_create(PKG_CLIENT_NAME, CLIENT_API_VERSION, img_dir,
IMG_TYPE_ENTIRE, False,
repo_uri="http://ipkg.sfbay/dev";,
progtrack=progress.QuietProgressTracker(), mirrors = mirrors, force=True)
api_inst.plan_install(pkglist,refresh_catalogs=True,noexecute=False,verbose=True,
update_index=True)
ret = api_inst.info("*", True, api.PackageInfo.ALL_OPTIONS)
pis = ret[api.ImageInterface.INFO_FOUND]
for i, pi in enumerate(pis):
print pi.pkg_stem,"size",pi.size
The bits are not actually downloaded, but the info() method returns a
list of packages with size information.
Will summing pi.size be a good estimation of disk space usage?
Thanks,
William
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