def detect_version_status_updates()

in bugbot/bug/analyzer.py [0:0]

• 30 lines of code
• 13 McCabe index (conditional complexity)

    def detect_version_status_updates(self) -> list[VersionStatus]:
        """Detect the status for the version flags that should be updated.

        The status of the version flags is determined by the status of the
        regressor bug.

        Returns:
            A list of `VersionStatus` objects.
        """
        if len(self._bug["regressed_by"]) > 1:
            # Currently only bugs with one regressor are supported
            return []

        regressor_bug = self.regressed_by_bugs[0]
        regressed_version = regressor_bug.oldest_fixed_firefox_version
        if not regressed_version:
            return []

        fixed_version = self.oldest_fixed_firefox_version

        # If the latest status flag is wontfix or fix-optional, we ignore
        # setting flags with the status "affected" to newer versions.
        is_latest_wontfix = self.latest_firefox_version_status in (
            "wontfix",
            "fix-optional",
        )

        flag_updates = []
        for flag, channel, version in self._store.current_version_flags:
            if flag not in self._bug and channel == "esr":
                # It is okay if an ESR flag is absent (we try two, the current
                # and the previous). However, the absence of other flags is a
                # sign of something wrong.
                continue
            if self._bug[flag] != "---":
                # We don't override existing flags
                # XXX maybe check for consistency?
                continue
            if fixed_version and fixed_version <= version:
                # Bug was fixed in an earlier version, don't set the flag
                continue
            if (
                version >= regressed_version
                # ESR: If the regressor was uplifted, so the regression affects
                # this version.
                or regressor_bug.get_field(flag) in ("fixed", "verified")
            ):
                if is_latest_wontfix:
                    continue

                flag_updates.append(VersionStatus(channel, version, "affected"))
            else:
                flag_updates.append(VersionStatus(channel, version, "unaffected"))

        return flag_updates