[EXT] Re: [PATCH v2] pw_maintainers_cli: enhance ci tree selection

[Aaron Conole]

Pavan Nikhilesh Bhagavatula <pbhagavatula at marvell.com> writes:

>> -----Original Message-----
>> From: Pavan Nikhilesh Bhagavatula <pbhagavatula at marvell.com>
>> Sent: Friday, October 13, 2023 11:25 AM
>> To: Aaron Conole <aconole at redhat.com>
>> Cc: Jerin Jacob Kollanukkaran <jerinj at marvell.com>; alialnu at nvidia.com;
>> thomas at monjalon.net; david.marchand at redhat.com; ci at dpdk.org
>> Subject: RE: [EXT] Re: [PATCH v2] pw_maintainers_cli: enhance ci tree
>> selection
>> 
>> > > From: Pavan Nikhilesh <pbhagavatula at marvell.com>
>> > >
>> > > When longest prefix match doesnt find a suitable tree, remove the
>> > > trees of files belonging to 'drivers/common' and check if there
>> > > is any unique tree for the patchset.
>> > >
>> > > Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
>> > > ---
>> > >  v2 Chnages:
>> > >  - Find tree by removing 'drivers/common' instead of count based
>> > >  approach.
>> > >
>> > >  tools/pw_maintainers_cli.py | 31 ++++++++++++++++++++++++++-----
>> > >  1 file changed, 26 insertions(+), 5 deletions(-)
>> > >
>> > > diff --git a/tools/pw_maintainers_cli.py b/tools/pw_maintainers_cli.py
>> > > index c7b5ba0..ef60df8 100755
>> > > --- a/tools/pw_maintainers_cli.py
>> > > +++ b/tools/pw_maintainers_cli.py
>> > > @@ -203,13 +203,15 @@ class Maintainers(object):
>> > >          """
>> > >          Return a git tree that matches a list of files."""
>> > >          tree_list = []
>> > > +        file_tree_map = {}
>> > >          for _file in files:
>> > >              _tree = self._get_tree(_file)
>> > >              # Having no tree means that we accept those changes going
>> through
>> > a
>> > >              # subtree (e.g. release notes).
>> > >              if _tree:
>> > >                  tree_list.append(_tree)
>> > > -        tree = self.get_common_denominator(tree_list)
>> > > +                file_tree_map[_file] = _tree
>> > > +        tree = self.get_common_denominator(tree_list, file_tree_map)
>> > >          if not tree:
>> > >              tree = 'git://dpdk.org/dpdk'
>> > >          return tree
>> > > @@ -268,7 +270,7 @@ class Maintainers(object):
>> > >          self.matched[matching_pattern] = tree
>> > >          return tree
>> > >
>> > > -    def get_common_denominator(self, tree_list):
>> > > +    def get_common_denominator(self, tree_list, file_tree_map):
>> > >          """Finds a common tree by finding the longest common prefix.
>> > >          Examples for expected output:
>> > >            dpdk-next-virtio + dpdk = dpdk
>> > > @@ -278,7 +280,6 @@ class Maintainers(object):
>> > >          """
>> > >          # Make sure the list is unique.
>> > >          tree_list = list(set(tree_list))
>> > > -
>> > >          # Rename dpdk-next-virtio internally to match dpdk-next-net
>> > >          _tree_list = [
>> > >                  tree.replace('dpdk-next-virtio', 'dpdk-next-net-virtio')
>> >
>> > Any reason why this whitespace is dropped here?  Otherwise, the patch
>> > looks okay - but I don't think this line should be dropped.
>> 
>> The new line removal can be ignored.
>> 
>> >
>> > If you agree, I can correct when I merge it.
>> >
>> 
>> Yes, please.
>> 
>
> Ping

Apologies - applied, Thanks!

>> Thanks,
>> Pavan.
>> 
>> > > @@ -286,11 +287,31 @@ class Maintainers(object):
>> > >          common_prefix = \
>> > >              os.path.commonprefix(_tree_list).rstrip('-').replace(
>> > >                      'dpdk-next-net-virtio', 'dpdk-next-virtio')
>> > > -        # There is no 'dpdk-next' named tree.
>> > > -        if common_prefix.endswith('dpdk-next') or
>> > common_prefix.endswith('/'):
>> > > +        # There is no 'dpdk-next' named tree, remove files that belong
>> > > +        # to 'drivers/common' and see if we find a tree.
>> > > +        if common_prefix.endswith('dpdk-next'):
>> > > +            common_prefix = self.get_filtered_tree(file_tree_map)
>> > > +        elif common_prefix.endswith('/'):
>> > >              common_prefix = 'git://dpdk.org/dpdk'
>> > >          return common_prefix
>> > >
>> > > +    def get_common_files(self, files):
>> > > +        match_list = []
>> > > +        for f in files:
>> > > +            if re.match(r"drivers\/common", f) is not None:
>> > > +                match_list.append(f)
>> > > +        return match_list
>> > > +
>> > > +    def get_filtered_tree(self, file_tree_map):
>> > > +        # Get list of files that are in 'drivers/common'
>> > > +        common_list = self.get_common_files(file_tree_map.keys())
>> > > +        for c in common_list:
>> > > +            file_tree_map.pop(c, None)
>> > > +        tree_list = list(set(file_tree_map.values()))
>> > > +        if len(tree_list) == 1:
>> > > +            return tree_list[0]
>> > > +        return None
>> > > +
>> > >
>> > >  if __name__ == '__main__':
>> > >      """Main procedure."""
>> > > --
>> > > 2.25.1