On Saturday 10 February 2007, Dirk Meyer wrote:
> Harm Geerts wrote:
> > The problem is that setup.py imports freevo.conf which sets up the
> > DATADIR, LOGDIR and the logfile handler. I'm using FEATURES="usersandbox"
> > which tries to run as much as possible under the portage user (which has
> > uid 250).
>
> Should be fixed in svn. I hope I don't get a sandbox violation for
> creating stuff in /tmp.
You'll get a sandbox violation writing everywhere except the staging area.
The staging area is a temporary install image where portage installs the
application before committing it to the live filesystem.
So yes, you would get a violation for writing to /tmp
If you want to make changes to the live filesystem you can do so in the
ebuilds pgk_preinst and pkg_postint functions.
If you simply want to create an additional directory (like the LOGDIR) you can
do this in the src_install function. I imagine it would be something like
this:
# dev-python/freevo-core.ebuild
src_install() {
# call the distutils.eclass install function
# this uses setup.py to install the appliction
# we have to call this because we override the src_install function
distutils_src_install
# create the logdirectory with world writable permissions
# and tell portage to keep the directory even if it's empty
# this creates a directory in the staging area, not the live filesystem
diropts -m0777
keepdir /var/log/freevo
}
The ebuild 5 manpage [1] has more information about what goes where and what
tools you can use to achieve certain goals.
Automatically creating systemwide files/directories when importing a module is
a bad combination on a distro like gentoo. These things should be done when
installing rather then at runtime (as shown in the src_install function
above). A sanity check to see if certain files/directies exist at runtime
should be enough.
For userspecific settings/logging it's no problem as the portage user is
allowed to write to it's own $HOME (which is removed after the install is
successfull)
Some additional information about gentoo's sandbox can be found at [2].
[1] http://gentoo-wiki.com/MAN_ebuild_5
[2] http://bugday.gentoo.org/sandbox.html
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