vcs.maemo.org Git - findit/blob - src/pkgsearch.py

   1 #!/usr/bin/python
   2 # -*-coding: utf-8 -*-
   3 # vim: sw=4 ts=4 expandtab ai
   4
   5 import gtk
   6 import apt_pkg
   7 from heapq import nlargest
   8 from misc import size_hum_read
   9
  10 class Search_Pkg_Control(object):
  11
  12     def __init__(self, config, show_funct):
  13         win_width = config.get('window_width')
  14         win_height = config.get('window_height')
  15         count = config.get('default_pkg_count')
  16         self.show_func = show_funct
  17         self.abstr = Search_Pkg_Abstraction()
  18         self.present = Search_Pkg_Presentation(win_width, win_height, count, self.start_search)
  19
  20     def start_search(self, count, kill_func):
  21         pkglist = []
  22         for psize, packg in nlargest(count, self.abstr.pkggetter()):
  23             pkglist.append([packg, size_hum_read(psize), psize])
  24         kill_func()
  25         self.show_func.show(pkglist, self.abstr.full())
  26         self.show_func.run()
  27
  28     def run(self):
  29         self.present.run()
  30
  31
  32 class Search_Pkg_Abstraction(object):
  33
  34     def __init__(self):
  35         apt_pkg.InitConfig()
  36         apt_pkg.InitSystem()
  37         self.cache = apt_pkg.GetCache()
  38
  39     def pkggetter(self):
  40         self.fullsize = 0
  41         for pkg in self.cache.Packages:
  42             # pkg is from a list of packages, sorted by name.
  43             if pkg.CurrentState == apt_pkg.CurStateInstalled:
  44                 pkgsize = [version.InstalledSize for version in pkg.VersionList][0]
  45                 self.fullsize = self.fullsize + pkgsize
  46                 yield pkgsize, pkg.Name
  47
  48     def full(self):
  49         return self.fullsize
  50
  51
  52 class Search_Pkg_Presentation(gtk.Window):
  53
  54     def __init__(self, win_width, win_height, count, st_func):
  55         """Create MainWindow."""
  56         # Создаем новое окно
  57         gtk.Window.__init__(self)
  58         self.set_default_size(win_width, win_height)
  59         self.set_border_width(4)
  60         self.connect('delete_event', gtk.main_quit)
  61
  62         label1 = gtk.Label('Files quantity')
  63         # Окошко ввода количества файлов, мин значение=1 макс=65536 по умолчанию 10
  64         adj = gtk.Adjustment(count, 1, 65536, 1, 5, 0)
  65         self.file_cnt = gtk.SpinButton(adj, 0, 0)
  66
  67         hbox = gtk.HBox(False, 0)
  68         hbox.pack_start(label1, False, False, 5)
  69         hbox.pack_start(self.file_cnt, False, False, 0)
  70
  71         self.butt_start = gtk.Button('Go >')
  72         self.butt_start.connect('released', self.start_srch, st_func)
  73
  74         self.butt_prev = gtk.Button('< Previous')
  75         #self.butt_prev.connect('released', self.show_prev, prev_window)
  76
  77         hbox1 = gtk.HBox(False, 0)
  78         hbox1.pack_start(self.butt_prev, False, False, 5)
  79         hbox1.pack_start(self.butt_start, False, False, 5)
  80
  81         vbox = gtk.VBox(False, 0)
  82         vbox.pack_start(hbox, False, False, 5)
  83         vbox.pack_start(hbox1, False, False, 5)
  84
  85         self.add(vbox)
  86
  87     def kill_wind(self):
  88         self.destroy()
  89         gtk.main_quit()
  90
  91     def get_data(self):
  92         return int( self.file_cnt.get_value() )
  93
  94     def run(self):
  95         self.show_all()
  96         gtk.main()
  97
  98     def start_srch(self, widget, start_func):
  99         start_func(self.get_data(), self.kill_wind)