checks.py 文件源码

def check_library_versions(app_configs=None, **kwargs):
    from django import VERSION as DJANGO_VERSION
    from lxml.etree import LXML_VERSION
    from translate.__version__ import ver as ttk_version

    errors = []

    if DJANGO_VERSION < DJANGO_MINIMUM_REQUIRED_VERSION:
        errors.append(checks.Critical(
            _("Your version of Django is too old."),
            hint=_("Try pip install --upgrade 'Django==%s'",
                   _version_to_string(DJANGO_MINIMUM_REQUIRED_VERSION)),
            id="pootle.C002",
        ))

    if LXML_VERSION < LXML_MINIMUM_REQUIRED_VERSION:
        errors.append(checks.Warning(
            _("Your version of lxml is too old."),
            hint=_("Try pip install --upgrade lxml"),
            id="pootle.W003",
        ))

    if ttk_version < TTK_MINIMUM_REQUIRED_VERSION:
        errors.append(checks.Critical(
            _("Your version of Translate Toolkit is too old."),
            hint=_("Try pip install --upgrade translate-toolkit"),
            id="pootle.C003",
        ))

    return errors