Function LooseVersion

lib/core/compat.py:283–316

>>> LooseVersion("1.0") == LooseVersion("1.0") True >>> LooseVersion("1.0.1") > LooseVersion("1.0") True >>> LooseVersion("1.0.1-") == LooseVersion("1.0.1") True >>> LooseVersion("1.0.11") < LooseVersion("1.0.111") True >>> LooseVersion("foobar") > LooseVersion("

(version)

    buffer = buffer

def LooseVersion(version):
    """
    >>> LooseVersion("1.0") == LooseVersion("1.0")
    True
    >>> LooseVersion("1.0.1") > LooseVersion("1.0")
    True
    >>> LooseVersion("1.0.1-") == LooseVersion("1.0.1")
    True
    >>> LooseVersion("1.0.11") < LooseVersion("1.0.111")
    True
    >>> LooseVersion("foobar") > LooseVersion("1.0")
    False
    >>> LooseVersion("1.0") > LooseVersion("foobar")
    False
    >>> LooseVersion("3.22-mysql") == LooseVersion("3.22-mysql-ubuntu0.3")
    True
    >>> LooseVersion("8.0.22-0ubuntu0.20.04.2")
    8.000022
    """

    match = re.search(r"\A(\d[\d.]*)", version or "")

    if match:
        result = 0
        value = match.group(1)
        weight = 1.0
        for part in value.strip('.').split('.'):
            if part.isdigit():
                result += int(part) * weight
            weight *= 1e-3
    else:
        result = float("NaN")

    return result

# NOTE: codecs.open re-implementation (deprecated in Python 3.14)