def get_commits_to_ignore()

in scripts/regressor_finder.py [0:0]

• 45 lines of code
• 18 McCabe index (conditional complexity)

    def get_commits_to_ignore(self) -> None:
        assert db.download(repository.COMMITS_DB)

        ignored = set()
        commits_to_ignore = []
        all_commits = set()

        annotate_ignore_nodes = {
            node for node, label in labels.get_labels("annotateignore") if label == "1"
        }

        for commit in repository.get_commits(
            include_no_bug=True, include_backouts=True, include_ignored=True
        ):
            all_commits.add(commit["node"][:12])

            if (
                commit["ignored"]
                or commit["backedoutby"]
                or not commit["bug_id"]
                or len(commit["backsout"]) > 0
                or repository.is_wptsync(commit)
                or commit["node"] in annotate_ignore_nodes
            ):
                commits_to_ignore.append(
                    {
                        "rev": commit["node"],
                        "type": "backedout" if commit["backedoutby"] else "",
                    }
                )
                ignored.add(commit["node"][:12])

            if len(commit["backsout"]) > 0:
                for backedout in commit["backsout"]:
                    if backedout[:12] in ignored:
                        continue
                    ignored.add(backedout[:12])

                    commits_to_ignore.append({"rev": backedout, "type": "backedout"})

        logger.info("%d commits to ignore...", len(commits_to_ignore))

        # Skip backed-out commits which aren't in the repository (commits which landed *before* the Mercurial history
        # started, and backouts which mentioned a bad hash in their message).
        commits_to_ignore = [
            c for c in commits_to_ignore if c["rev"][:12] in all_commits
        ]

        logger.info("%d commits to ignore...", len(commits_to_ignore))

        logger.info(
            "...of which %d are backed-out",
            sum(commit["type"] == "backedout" for commit in commits_to_ignore),
        )

        db.write(IGNORED_COMMITS_DB, commits_to_ignore)
        zstd_compress(IGNORED_COMMITS_DB)
        db.upload(IGNORED_COMMITS_DB)