refs #773 do not use python apt module

boottools/apt.py

@@ -58,30 +58,8 @@ def cache_search (pkgs):
     return res
 
 def install (pkgs, opts={}):
-    apt_pkg.init()
-
-    if opts:
-        apt_pkg.init_config()
-        for k in opts:
-            apt_pkg.config.set (k, opts[k])
-
-    cache = apt_pkg.Cache()
-    sl = apt_pkg.SourceList()
-    sl.read_main_list()
-    cache.update (apt.progress.base.AcquireProgress(), sl)
-
-    _to_install = []
-    dep_cache = apt_pkg.DepCache(cache)
-    for p in pkgs:
-        package = cache[p]
-        if not package:
-            print (f'package "{p}" not found')
-            continue
-        _to_install.append (p)
-        dep_cache.mark_install(package)
-
-    if _to_install:
-        print ('about to install these packages: "{}"'.format (' '.join (_to_install)))
-        fetcher = apt_pkg.Acquire()
-        install_progress = apt.progress.base.InstallProgress()
-        dep_cache.commit(fetcher, install_progress)
+    opts_list = []
+    for k in opts: opts_list += ['-o', f'{k}={opts[k]}']
+    print ('about to install these packages: "{}"'.format (' '.join (pkgs)))
+    import subprocess
+    subprocess.run (['apt-get', '--yes', 'install'] + pkgs + opts_list)