ubuntu.py 文件源码

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)