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

[Pavan Nikhilesh Bhagavatula]

> > 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.

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