Class VersionString

utils/install.py:232–278

class VersionString:
    def __init__(self, version):
        self.version = version

    def __str__(self):
        return self.version

    def __repr__(self):
        return "VersionString:" + self.version

    def _preprocess(self, v, separator, ignorecase):
        if ignorecase:
            v = v.lower()
        return [
            (
                int(x)
                if x.isdigit()
                else [
                    int(y) if y.isdigit() else y for y in re.findall("\d+|[a-zA-Z]+", x)
                ]
            )
            for x in re.split(separator, v)
        ]

    def compare(self, version2, separator=". |-", ignorecase=True):
        """
        # return 1 if self.version > version2
        # return 0 if self.version == version2
        # return -1 if self.version < version2
        # return False if not comparable
        """
        if "rc" in self.version and not "rc" in version2:
            a = self._preprocess(
                self.version.split("rc")[0].strip("-"), separator, ignorecase
            )
            b = b = self._preprocess(version2, separator, ignorecase)
            if ((a > b) - (a < b)) == 0:
                return -1
            else:
                return (a > b) - (a < b)
        else:
            a = self._preprocess(self.version, separator, ignorecase)
            b = self._preprocess(version2, separator, ignorecase)
            try:
                return (a > b) - (a < b)
            except:
                return False


SUPPORTED_PLATFORM_MACHINE = {