Method from_version_string

mycli/sqlexecute.py:58–79

(cls, version_string: str)

    @classmethod
    def from_version_string(cls, version_string: str) -> ServerInfo:
        if not version_string:
            return cls(ServerSpecies.MySQL, "")

        re_species = (
            (r"(?P<version>[0-9\.]+)-MariaDB", ServerSpecies.MariaDB),
            (r"[0-9\.]*-TiDB-v(?P<version>[0-9\.]+)-?(?P<comment>[a-z0-9\-]*)", ServerSpecies.TiDB),
            (r"(?P<version>[0-9\.]+)[a-z0-9]*-(?P<comment>[0-9]+$)", ServerSpecies.Percona),
            # Also matches plain "X.Y.Z" with no suffix (e.g. Homebrew MySQL).
            (r"(?P<version>[0-9]+\.[0-9]+\.[0-9]+)[a-z0-9]*(-(?P<comment>[A-Za-z0-9_]+))?", ServerSpecies.MySQL),
        )
        for regexp, species in re_species:
            match = re.search(regexp, version_string)
            if match is not None:
                parsed_version = match.group("version")
                detected_species = species
                break
        else:
            detected_species = ServerSpecies.MySQL
            parsed_version = ""

        return cls(detected_species, parsed_version)

    def __str__(self) -> str:
        if self.species: