git.maemo.org Git - findit/blob - src/files/search.py

   1 #!/usr/bin/env python
   2 # -*-coding: utf-8 -*-
   3 # vim: sw=4 ts=4 expandtab ai
   4
   5 from os import walk
   6 from os.path import join, abspath, normcase, basename, isdir, getsize
   7 from heapq import nlargest
   8
   9 from misc import *
  10
  11 #==============================================================================
  12
  13 class Control(object):
  14
  15     def __init__(self, ui, config):
  16
  17         if ui == 'cli':
  18             self.present = Cli_Presentation(config)
  19         elif ui == 'gtk':
  20             self.present = Gtk_Presentation(config, self.start_search)
  21         elif ui == 'hildon':
  22             self.present = Hildon_Presentation(config, self.start_search)
  23
  24         # self.present - for updating windows in interactive presentations
  25         self.abstrac = Abstraction(config, self.present)
  26
  27         # Used only in non-interactive presentations
  28         self.present.start_search(self.start_search)
  29
  30     def start_search(self, get_data, get_stopit):
  31         filelist = []
  32         outtype, start_path, count = get_data()
  33         search_func = self.abstrac.filegetter(start_path, get_stopit)
  34         for fsize, fpath in nlargest(count, search_func):
  35             filelist.append([int(fsize), fpath, size_hum_read(fsize)])
  36         self.present.show_out_toplevel(None, outtype, filelist)
  37
  38     def run(self):
  39         return self.present.toplevel
  40
  41 #==============================================================================
  42
  43 class Abstraction(object):
  44
  45     def __init__(self, config, presentation):
  46         self.ignore_dirs = config['ignore_dirs']
  47         self.presentation = presentation
  48
  49     def filegetter(self, startdir, get_stopit):
  50         """Generator of file sizes and paths based on os.walk."""
  51
  52         # Walk across directory tree
  53         for dirpath, dirnames, fnames in walk(startdir):
  54             # Eliminate unnecessary directories
  55             ignore_dirs = self.ignore_dirs
  56             for ign_dir in ignore_dirs[:]:
  57                 for dirname in dirnames[:]:
  58                     if ign_dir == normcase(join(abspath(dirpath), dirname)):
  59                         dirnames.remove(dirname)
  60                         ignore_dirs.remove(ign_dir)
  61
  62             for fname in fnames:
  63                 flpath = abspath(join(dirpath, fname))
  64                 self.presentation.show_current_status(flpath)
  65
  66                 # Stop search via 'stopit' signal
  67                 stopit = get_stopit()
  68                 if stopit:
  69                     stopit = False
  70                     raise StopIteration
  71                 # Query only valid files
  72                 try:
  73                     # Return results (bytesize, path)
  74                     yield getsize(flpath), flpath
  75                 except OSError:
  76                     continue
  77
  78 #==============================================================================
  79
  80 class Cli_Presentation(object):
  81     def __init__(self, config):
  82         self.outtype = config['outtype']
  83         self.start_path = config['start_path']
  84         self.count = config['count']
  85         self.stopit = False
  86
  87         self.toplevel = None
  88
  89     def get_data(self):
  90         return self.outtype, self.start_path, int(self.count)
  91
  92     def get_stopit(self):
  93         return False
  94
  95     def show_out_toplevel(self, _, outtype, results):
  96         out_submodule = __import__('files.' + outtype, None, None, outtype)
  97         out_submodule.Cli_Presentation(results).toplevel
  98
  99     def show_current_status(self, current_path):
 100         pass
 101         #print current_path
 102
 103     def start_search(self, start_func):
 104         start_func(self.get_data, self.get_stopit)
 105
 106 #==============================================================================
 107
 108 class Gtk_Presentation(object):
 109
 110     def __init__(self, config, start_func):
 111         import gtk
 112
 113         self.config = config
 114
 115         # "Start path" entry
 116         self.path_entry = gtk.Entry()
 117         self.path_entry.set_text(self.config['start_path'])
 118
 119         # "Files quantity" label
 120         qty_label = gtk.Label('Files quantity')
 121
 122         # "Files quantity" spin
 123         self.qty_spin = gtk.SpinButton()
 124         self.qty_spin.set_numeric(True)
 125         self.qty_spin.set_range(0, 65536)
 126         self.qty_spin.set_increments(1, 10)
 127         self.qty_spin.set_value(self.config['count'])
 128
 129         # "Start" button
 130         self.start_btn = gtk.Button('Start')
 131         self.start_btn.connect('released', self.start_btn_released, start_func)
 132
 133         # "Stop" button
 134         self.stop_btn = gtk.Button('Stop')
 135         self.stop_btn.set_sensitive(False)
 136         self.stop_btn.connect('clicked', self.stop_btn_clicked)
 137
 138         # Output selection
 139         outtable_rbtn = gtk.RadioButton(None, 'Table')
 140         outtable_rbtn.set_name('outtable')
 141         outdiagram_rbtn = gtk.RadioButton(outtable_rbtn, 'Diagram')
 142         outdiagram_rbtn.set_name('outdiagram')
 143         out1_rbtn = gtk.RadioButton(outtable_rbtn, 'Another 1')
 144         out1_rbtn.set_name('outanother1')
 145         out2_rbtn = gtk.RadioButton(outtable_rbtn, 'Another 2')
 146         out2_rbtn.set_name('outanother2')
 147         self.out_rbtns = [outtable_rbtn, outdiagram_rbtn, out1_rbtn, out2_rbtn]
 148
 149         hbox = gtk.HBox(False, 4)
 150         hbox.pack_start(qty_label, False, False, 0)
 151         hbox.pack_start(self.qty_spin, False, False, 0)
 152         hbox.pack_start(self.start_btn, False, False, 0)
 153         hbox.pack_start(self.stop_btn, False, False, 0)
 154         for btn in reversed(self.out_rbtns):
 155             hbox.pack_end(btn, False, False, 0)
 156             # Activate radio button
 157             if btn.get_name() == self.config['outtype']:
 158                 btn.set_active(True)
 159
 160         self.statusbar = gtk.Statusbar()
 161         self.context_id = self.statusbar.get_context_id('Current walked file')
 162
 163         self.vbox = gtk.VBox(False, 4)
 164         self.vbox.pack_start(self.path_entry, False, False, 0)
 165         self.vbox.pack_start(hbox, False, False, 0)
 166         self.vbox.pack_end(self.statusbar, False, False, 0)
 167
 168         self.toplevel = self.vbox
 169
 170         # For importing gtk only once (lambda not work)
 171         def show_current_status(current_path):
 172             self.statusbar.push(self.context_id, current_path)
 173             gtk.main_iteration()
 174         self.show_current_status = show_current_status
 175
 176         self.show_out_toplevel(None, self.config['outtype'], [(1, 'path', 'bytesize')])
 177
 178     #=== Functions ============================================================
 179     def start_btn_released(self, btn, start_func):
 180         self.stopit = False
 181         self.stop_btn.set_sensitive(True)
 182         self.start_btn.set_sensitive(False)
 183         start_func(self.get_data, self.get_stopit)
 184         self.stop_btn.set_sensitive(False)
 185         self.start_btn.set_sensitive(True)
 186
 187     def stop_btn_clicked(self, widget):
 188         self.stopit = True
 189         self.stop_btn.set_sensitive(False)
 190         self.start_btn.set_sensitive(True)
 191
 192     def get_data(self):
 193         for btn in self.out_rbtns:
 194             if btn.get_active():
 195                 out = btn.get_name()
 196         return out, self.path_entry.get_text(), int(self.qty_spin.get_value())
 197
 198     def get_stopit(self):
 199         return self.stopit
 200
 201     # Empty because search start by button
 202     def start_search(self, start_func):
 203         pass
 204
 205     #=== Output type selecting ================================================
 206     def show_out_toplevel(self, btn, outtype, results):
 207         print 'Entering <' + outtype + '> output mode...'
 208         out_submodule = __import__('files.' + outtype, None, None, outtype)
 209
 210         try:
 211             self.current_outtoplevel.destroy()
 212         except:
 213             pass
 214
 215         out_toplevel = out_submodule.Gtk_Presentation(results).toplevel
 216         self.current_outtoplevel = out_toplevel
 217         self.vbox.add(out_toplevel)
 218         out_toplevel.show_all()
 219 #        out_submodule.Gtk_Presentation().show_results(results)
 220
 221 #==============================================================================
 222
 223 class Hildon_Presentation(object):
 224
 225     def __init__(self, config, start_func):
 226         import gtk
 227         import hildon
 228
 229         self.config = config
 230
 231     def start_search(self, start_func):
 232         pass