Re: [PATCH] python: Split "semanage import" into two transactions

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On Fri, Jun 3, 2022 at 10:40 AM James Carter <jwcart2@xxxxxxxxx> wrote:
>
> On Mon, May 30, 2022 at 9:32 AM Vit Mojzis <vmojzis@xxxxxxxxxx> wrote:
> >
> > First transaction applies all deletion operations, so that there are no
> > collisions when applying the rest of the changes.
> >
> > Fixes:
> >   # semanage port -a -t http_cache_port_t -r s0 -p tcp 3024
> >   # semanage export | semanage import
> >   ValueError: Port tcp/3024 already defined
> >
> > Signed-off-by: Vit Mojzis <vmojzis@xxxxxxxxxx>
>
> Acked-by: James Carter <jwcart2@xxxxxxxxx>
>

Merged.
Thanks,
Jim

>
> > ---
> >  python/semanage/semanage | 21 +++++++++++++++++++--
> >  1 file changed, 19 insertions(+), 2 deletions(-)
> >
> > diff --git a/python/semanage/semanage b/python/semanage/semanage
> > index 8f4e44a7..1d828128 100644
> > --- a/python/semanage/semanage
> > +++ b/python/semanage/semanage
> > @@ -852,10 +852,29 @@ def handleImport(args):
> >      trans = seobject.semanageRecords(args)
> >      trans.start()
> >
> > +    deleteCommands = []
> > +    commands = []
> > +    # separate commands for deletion from the rest so they can be
> > +    # applied in a separate transaction
> >      for l in sys.stdin.readlines():
> >          if len(l.strip()) == 0:
> >              continue
> > +        if "-d" in l or "-D" in l:
> > +            deleteCommands.append(l)
> > +        else:
> > +            commands.append(l)
> > +
> > +    if deleteCommands:
> > +        importHelper(deleteCommands)
> > +        trans.finish()
> > +        trans.start()
> > +
> > +    importHelper(commands)
> > +    trans.finish()
> >
> > +
> > +def importHelper(commands):
> > +    for l in commands:
> >          try:
> >              commandParser = createCommandParser()
> >              args = commandParser.parse_args(mkargv(l))
> > @@ -869,8 +888,6 @@ def handleImport(args):
> >          except KeyboardInterrupt:
> >              sys.exit(0)
> >
> > -    trans.finish()
> > -
> >
> >  def setupImportParser(subparsers):
> >      importParser = subparsers.add_parser('import', help=_('Import local customizations'))
> > --
> > 2.35.1
> >



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