scripts: ci: compliance: Remove Codeowners check

This check is no longer used and will be replaced by the maintainers
file, remove it.

Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>

scripts/ci/check_compliance.py

@@ -677,128 +677,6 @@ class KconfigBasicCheck(KconfigCheck):
         super().run(full=False)
 
 
-class Codeowners(ComplianceTest):
-    """
-    Check if added files have an owner.
-    """
-    name = "Codeowners"
-    doc = "See https://help.github.com/articles/about-code-owners/ for more details."
-    path_hint = "<git-top>"
-
-    def ls_owned_files(self, codeowners):
-        """Returns an OrderedDict mapping git patterns from the CODEOWNERS file
-        to the corresponding list of files found on the filesystem.  It
-        unfortunately does not seem possible to invoke git and re-use
-        how 'git ignore' and/or 'git attributes' already implement this,
-        we must re-invent it.
-        """
-
-        # TODO: filter out files not in "git ls-files" (e.g.,
-        # twister-out) _if_ the overhead isn't too high for a clean tree.
-        #
-        # pathlib.match() doesn't support **, so it looks like we can't
-        # recursively glob the output of ls-files directly, only real
-        # files :-(
-
-        pattern2files = collections.OrderedDict()
-        top_path = Path(GIT_TOP)
-
-        with open(codeowners, "r") as codeo:
-            for lineno, line in enumerate(codeo, start=1):
-
-                if line.startswith("#") or not line.strip():
-                    continue
-
-                match = re.match(r"^([^\s,]+)\s+[^\s]+", line)
-                if not match:
-                    self.failure(f"Invalid CODEOWNERS line {lineno}\n\t{line}")
-                    continue
-
-                git_patrn = match.group(1)
-                glob = self.git_pattern_to_glob(git_patrn)
-                files = []
-                for abs_path in top_path.glob(glob):
-                    # comparing strings is much faster later
-                    files.append(str(abs_path.relative_to(top_path)))
-
-                if not files:
-                    self.failure(f"Path '{git_patrn}' not found in the tree"
-                                 f"but is listed in CODEOWNERS")
-
-                pattern2files[git_patrn] = files
-
-        return pattern2files
-
-    def git_pattern_to_glob(self, git_pattern):
-        """Appends and prepends '**[/*]' when needed. Result has neither a
-        leading nor a trailing slash.
-        """
-
-        if git_pattern.startswith("/"):
-            ret = git_pattern[1:]
-        else:
-            ret = "**/" + git_pattern
-
-        if git_pattern.endswith("/"):
-            ret = ret + "**/*"
-        elif os.path.isdir(os.path.join(GIT_TOP, ret)):
-            self.failure("Expected '/' after directory '{}' "
-                             "in CODEOWNERS".format(ret))
-
-        return ret
-
-    def run(self):
-        codeowners = os.path.join(GIT_TOP, "CODEOWNERS")
-        if not os.path.exists(codeowners):
-            self.skip("CODEOWNERS not available in this repo")
-
-        name_changes = get_files(filter="ARCD")
-        owners_changes = get_files(paths=(codeowners,))
-
-        if not name_changes and not owners_changes:
-            # TODO: 1. decouple basic and cheap CODEOWNERS syntax
-            # validation from the expensive ls_owned_files() scanning of
-            # the entire tree. 2. run the former always.
-            return
-
-        logger.info("If this takes too long then cleanup and try again")
-        patrn2files = self.ls_owned_files(codeowners)
-
-        # The way git finds Renames and Copies is not "exact science",
-        # however if one is missed then it will always be reported as an
-        # Addition instead.
-        new_files = get_files(filter="ARC").splitlines()
-        logger.debug(f"New files {new_files}")
-
-        # Convert to pathlib.Path string representation (e.g.,
-        # backslashes 'dir1\dir2\' on Windows) to be consistent
-        # with self.ls_owned_files()
-        new_files = [str(Path(f)) for f in new_files]
-
-        new_not_owned = []
-        for newf in new_files:
-            f_is_owned = False
-
-            for git_pat, owned in patrn2files.items():
-                logger.debug(f"Scanning {git_pat} for {newf}")
-
-                if newf in owned:
-                    logger.info(f"{git_pat} matches new file {newf}")
-                    f_is_owned = True
-                    # Unlike github, we don't care about finding any
-                    # more specific owner.
-                    break
-
-            if not f_is_owned:
-                new_not_owned.append(newf)
-
-        if new_not_owned:
-            self.failure("New files added that are not covered in "
-                         "CODEOWNERS:\n\n" + "\n".join(new_not_owned) +
-                         "\n\nPlease add one or more entries in the "
-                         "CODEOWNERS file to cover those files")
-
-
 class Nits(ComplianceTest):
     """
     Checks various nits in added/modified files. Doesn't check stuff that's