python类init()的实例源码

maas.py 文件源码 项目:charm-hacluster 作者: openstack 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def install_maas_cli(self):
        """Ensure maas-cli is installed

        Fallback to MAAS stable PPA when needed.
        """
        apt.init()
        cache = apt.Cache()

        try:
            pkg = cache['maas-cli']
        except KeyError:
            cmd = ['add-apt-repository', '-y', MAAS_STABLE_PPA]
            subprocess.check_call(cmd)
            cmd = ['apt-get', 'update']
            subprocess.check_call(cmd)
            self.install_maas_cli()
            return

        if not pkg.current_ver:
            apt_install('maas-cli', fatal=True)
core.py 文件源码 项目:charms.openstack 作者: openstack 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(self, package=None, snap=None):
        """Check if an OpenStack upgrade is available

        :param package: str Package name to use to check upgrade availability
        :returns: bool
        """
        if not package:
            package = self.release_pkg
        if not snap:
            snap = self.release_snap

        src = self.config['openstack-origin']
        cur_vers = self.get_os_version_package(package)
        avail_vers = os_utils.get_os_version_install_source(src)
        if os_utils.snap_install_requested():
            cur_vers = self.get_os_version_snap(snap)
        else:
            cur_vers = self.get_os_version_package(package)
        apt.init()
        return apt.version_compare(avail_vers, cur_vers) == 1
distro.py 文件源码 项目:dogtail 作者: vhumpa 项目源码 文件源码 阅读 32 收藏 0 点赞 0 评论 0
def getDependencies(self, packageName):
        # Simulate a set using a hash (to a dummy value);
        # sets were only added in Python 2.4
        result = {}
        if not self.cache:
            import apt_pkg
            apt_pkg.init()
            self.cache = apt_pkg.Cache()
        packages = self.cache.packages
        for package in packages:
            if package.name == packageName:
                current = package.current_ver
                if not current:
                    raise PackageNotFoundError(packageName)
                depends = current.depends_list
                list = depends['Depends']
                for dependency in list:
                    name = dependency[0].target_pkg.name
                    # Add to the hash using a dummy value
                    result[name] = None
        return list(result.keys())
utils.py 文件源码 项目:charm-plumgrid-gateway 作者: openstack 项目源码 文件源码 阅读 17 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.

    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1
utils.py 文件源码 项目:charm-swift-proxy 作者: openstack 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.
    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if not cur_vers:
        # The package has not been installed yet do not attempt upgrade
        return False
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1
ubuntu.py 文件源码 项目:charm-swift-proxy 作者: openstack 项目源码 文件源码 阅读 16 收藏 0 点赞 0 评论 0
def apt_cache(in_memory=True, progress=None):
    """Build and return an apt cache."""
    from apt import apt_pkg
    apt_pkg.init()
    if in_memory:
        apt_pkg.config.set("Dir::Cache::pkgcache", "")
        apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
    return apt_pkg.Cache(progress)
utils.py 文件源码 项目:charm-swift-proxy 作者: openstack 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.
    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if not cur_vers:
        # The package has not been installed yet do not attempt upgrade
        return False
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1
ubuntu.py 文件源码 项目:charm-swift-proxy 作者: openstack 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def apt_cache(in_memory=True, progress=None):
    """Build and return an apt cache."""
    from apt import apt_pkg
    apt_pkg.init()
    if in_memory:
        apt_pkg.config.set("Dir::Cache::pkgcache", "")
        apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
    return apt_pkg.Cache(progress)
utils.py 文件源码 项目:charm-heat 作者: openstack 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.
    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if not cur_vers:
        # The package has not been installed yet do not attempt upgrade
        return False
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1
ubuntu.py 文件源码 项目:charm-heat 作者: openstack 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def apt_cache(in_memory=True, progress=None):
    """Build and return an apt cache."""
    from apt import apt_pkg
    apt_pkg.init()
    if in_memory:
        apt_pkg.config.set("Dir::Cache::pkgcache", "")
        apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
    return apt_pkg.Cache(progress)
utils.py 文件源码 项目:charm-keystone 作者: openstack 项目源码 文件源码 阅读 17 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.
    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if not cur_vers:
        # The package has not been installed yet do not attempt upgrade
        return False
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1
ubuntu.py 文件源码 项目:charm-keystone 作者: openstack 项目源码 文件源码 阅读 17 收藏 0 点赞 0 评论 0
def apt_cache(in_memory=True, progress=None):
    """Build and return an apt cache."""
    from apt import apt_pkg
    apt_pkg.init()
    if in_memory:
        apt_pkg.config.set("Dir::Cache::pkgcache", "")
        apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
    return apt_pkg.Cache(progress)
utils.py 文件源码 项目:charm-keystone 作者: openstack 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.
    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if not cur_vers:
        # The package has not been installed yet do not attempt upgrade
        return False
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1
ubuntu.py 文件源码 项目:charm-keystone 作者: openstack 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def apt_cache(in_memory=True, progress=None):
    """Build and return an apt cache."""
    from apt import apt_pkg
    apt_pkg.init()
    if in_memory:
        apt_pkg.config.set("Dir::Cache::pkgcache", "")
        apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
    return apt_pkg.Cache(progress)
utils.py 文件源码 项目:charm-keystone 作者: openstack 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.
    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if not cur_vers:
        # The package has not been installed yet do not attempt upgrade
        return False
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1
utils.py 文件源码 项目:charm-keystone 作者: openstack 项目源码 文件源码 阅读 16 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.
    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if not cur_vers:
        # The package has not been installed yet do not attempt upgrade
        return False
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1
ubuntu.py 文件源码 项目:charm-keystone 作者: openstack 项目源码 文件源码 阅读 16 收藏 0 点赞 0 评论 0
def apt_cache(in_memory=True, progress=None):
    """Build and return an apt cache."""
    from apt import apt_pkg
    apt_pkg.init()
    if in_memory:
        apt_pkg.config.set("Dir::Cache::pkgcache", "")
        apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
    return apt_pkg.Cache(progress)
utils.py 文件源码 项目:charm-nova-cloud-controller 作者: openstack 项目源码 文件源码 阅读 17 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.
    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if not cur_vers:
        # The package has not been installed yet do not attempt upgrade
        return False
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1
ubuntu.py 文件源码 项目:charm-nova-cloud-controller 作者: openstack 项目源码 文件源码 阅读 25 收藏 0 点赞 0 评论 0
def apt_cache(in_memory=True, progress=None):
    """Build and return an apt cache."""
    from apt import apt_pkg
    apt_pkg.init()
    if in_memory:
        apt_pkg.config.set("Dir::Cache::pkgcache", "")
        apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
    return apt_pkg.Cache(progress)
utils.py 文件源码 项目:charm-nova-compute 作者: openstack 项目源码 文件源码 阅读 16 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.
    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if not cur_vers:
        # The package has not been installed yet do not attempt upgrade
        return False
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1
ubuntu.py 文件源码 项目:charm-nova-compute 作者: openstack 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def apt_cache(in_memory=True, progress=None):
    """Build and return an apt cache."""
    from apt import apt_pkg
    apt_pkg.init()
    if in_memory:
        apt_pkg.config.set("Dir::Cache::pkgcache", "")
        apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
    return apt_pkg.Cache(progress)
utils.py 文件源码 项目:charm-nova-compute 作者: openstack 项目源码 文件源码 阅读 17 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.
    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if not cur_vers:
        # The package has not been installed yet do not attempt upgrade
        return False
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1
ubuntu.py 文件源码 项目:charm-nova-compute 作者: openstack 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def apt_cache(in_memory=True, progress=None):
    """Build and return an apt cache."""
    from apt import apt_pkg
    apt_pkg.init()
    if in_memory:
        apt_pkg.config.set("Dir::Cache::pkgcache", "")
        apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
    return apt_pkg.Cache(progress)
utils.py 文件源码 项目:charm-ceph-osd 作者: openstack 项目源码 文件源码 阅读 17 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.
    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if not cur_vers:
        # The package has not been installed yet do not attempt upgrade
        return False
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1
ubuntu.py 文件源码 项目:charm-ceph-osd 作者: openstack 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def apt_cache(in_memory=True, progress=None):
    """Build and return an apt cache."""
    from apt import apt_pkg
    apt_pkg.init()
    if in_memory:
        apt_pkg.config.set("Dir::Cache::pkgcache", "")
        apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
    return apt_pkg.Cache(progress)
utils.py 文件源码 项目:charm-glance 作者: openstack 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.
    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if not cur_vers:
        # The package has not been installed yet do not attempt upgrade
        return False
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1
ubuntu.py 文件源码 项目:charm-glance 作者: openstack 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def apt_cache(in_memory=True, progress=None):
    """Build and return an apt cache."""
    from apt import apt_pkg
    apt_pkg.init()
    if in_memory:
        apt_pkg.config.set("Dir::Cache::pkgcache", "")
        apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
    return apt_pkg.Cache(progress)
utils.py 文件源码 项目:charm-glance 作者: openstack 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.
    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if not cur_vers:
        # The package has not been installed yet do not attempt upgrade
        return False
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1
ubuntu.py 文件源码 项目:charm-glance 作者: openstack 项目源码 文件源码 阅读 16 收藏 0 点赞 0 评论 0
def apt_cache(in_memory=True, progress=None):
    """Build and return an apt cache."""
    from apt import apt_pkg
    apt_pkg.init()
    if in_memory:
        apt_pkg.config.set("Dir::Cache::pkgcache", "")
        apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
    return apt_pkg.Cache(progress)
utils.py 文件源码 项目:charm-glance 作者: openstack 项目源码 文件源码 阅读 16 收藏 0 点赞 0 评论 0
def openstack_upgrade_available(package):
    """
    Determines if an OpenStack upgrade is available from installation
    source, based on version of installed package.

    :param package: str: Name of installed package.

    :returns: bool:    : Returns True if configured installation source offers
                         a newer version of package.
    """

    import apt_pkg as apt
    src = config('openstack-origin')
    cur_vers = get_os_version_package(package)
    if not cur_vers:
        # The package has not been installed yet do not attempt upgrade
        return False
    if "swift" in package:
        codename = get_os_codename_install_source(src)
        avail_vers = get_os_version_codename_swift(codename)
    else:
        avail_vers = get_os_version_install_source(src)
    apt.init()
    if "swift" in package:
        major_cur_vers = cur_vers.split('.', 1)[0]
        major_avail_vers = avail_vers.split('.', 1)[0]
        major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
        return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
    return apt.version_compare(avail_vers, cur_vers) == 1


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