vcs.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, isdir, getsize
   7 from heapq import nlargest
   8
   9 from misc import size_hum_read, _
  10 from config import config
  11
  12 OUTTYPES = [
  13     ('out_table',  _('Table')),
  14     ('out_diabar', _('Bar chart')),
  15     ('out_diapie', _('Pie chart')),
  16     ('out_diaold', _('Old chart')),
  17 ]
  18
  19 #==============================================================================
  20
  21 class Control(object):
  22
  23     def __init__(self, ui, params):
  24         self.present = eval(ui + '_Presentation(self.start_search, params)')
  25         self.abstrac = Abstraction(self.present)
  26
  27         self.toplevel = self.present.toplevel
  28
  29     def start_search(self, get_criteria, get_stopit):
  30         filelist = []
  31         outtype, start_path, count = get_criteria()
  32         search_func = self.abstrac.filegetter(start_path, get_stopit)
  33         for fsize, fpath in nlargest(count, search_func):
  34             filelist.append([int(fsize), fpath, size_hum_read(fsize)])
  35         self.present.show_out_toplevel(outtype, filelist)
  36
  37     def run(self):
  38         self.present.run()
  39
  40 #==============================================================================
  41
  42 class Abstraction(object):
  43
  44     def __init__(self, presentation):
  45         self.ignore_dirs = config['files']['ignore_dirs']
  46         self.presentation = presentation
  47
  48     def filegetter(self, startdir, get_stopit):
  49         """Generator of file sizes and paths based on os.walk."""
  50         # Walk across directory tree
  51         for dirpath, dirnames, fnames in walk(startdir):
  52             # Eliminate unnecessary directories
  53             ignore_dirs = self.ignore_dirs
  54             for ign_dir in ignore_dirs[:]:
  55                 for dirname in dirnames[:]:
  56                     if ign_dir == normcase(join(abspath(dirpath), dirname)):
  57                         dirnames.remove(dirname)
  58                         ignore_dirs.remove(ign_dir)
  59
  60             for fname in fnames:
  61                 flpath = abspath(join(dirpath, fname))
  62                 self.presentation.show_current_status(flpath)
  63
  64                 # Stop search via 'stopit' signal
  65                 stopit = get_stopit()
  66                 if stopit:
  67                     stopit = False
  68                     print 'Stopped'
  69                     raise StopIteration
  70                 # Query only valid files
  71                 try:
  72                     # Return results (bytesize, path)
  73                     yield getsize(flpath), flpath
  74                 except OSError:
  75                     continue
  76
  77 #==============================================================================
  78
  79 class Cli_Presentation(object):
  80     def __init__(self, start_func, params):
  81         self.start_func = start_func
  82
  83         self.outtype = params['outtype']
  84         self.start_path = params['start_path']
  85         self.count = params['count']
  86         self.stopit = False
  87
  88         self.toplevel = None
  89
  90     def get_data(self):
  91         return self.outtype, self.start_path, int(self.count)
  92
  93     def get_stopit(self):
  94         return False
  95
  96     def show_out_toplevel(self, outtype, results):
  97         out_submodule = __import__('files.' + outtype, None, None, outtype)
  98         out_submodule.Cli_Presentation(results).toplevel
  99
 100     def show_current_status(self, current_path):
 101         #pass
 102         print '|' + '\r',
 103         print '/' + '\r',
 104         print '-' + '\r',
 105         print '\\' + '\r',
 106         ### print current_path
 107
 108     def run(self):
 109         self.start_func(self.get_data, self.get_stopit)
 110
 111 #==============================================================================
 112
 113 class Gtk_Presentation(object):
 114
 115     def __init__(self, start_func, __):
 116         import gtk
 117         global gtk  # for show_current_status()
 118
 119         self.nb = gtk.Notebook()
 120         self.nb.set_scrollable(True)
 121         self.nb.set_border_width(2)
 122
 123         #====================
 124         # Notebook
 125         #====================
 126
 127         # "Start path" label
 128         self.path_label = gtk.Label(_('Path'))
 129         # "Start path" entry
 130         self.path_entry = gtk.Entry()
 131         self.path_entry.set_text(config['files']['start_path'])
 132         # "Browse" button
 133         self.browse_btn = gtk.Button('Browse...')
 134         self.browse_btn.connect('clicked', self.browse_btn_clicked)
 135
 136         # "Files quantity" label
 137         qty_label = gtk.Label(_('Files quantity'))
 138         # "Files quantity" spin
 139         self.qty_spin = gtk.SpinButton()
 140         self.qty_spin.set_numeric(True)
 141         self.qty_spin.set_range(0, 65536)
 142         self.qty_spin.set_increments(1, 10)
 143         self.qty_spin.set_value(config['files']['count'])
 144
 145         # "Output" label
 146         out_label = gtk.Label(_('Output'))
 147         # Output selection
 148         btn = gtk.RadioButton(None, OUTTYPES[0][1])
 149         btn.set_name(OUTTYPES[0][0])
 150         self.out_rbtns = []
 151         self.out_rbtns.append(btn)
 152         for name, label in OUTTYPES[1:]:
 153             btn = gtk.RadioButton(self.out_rbtns[0], label)
 154             btn.set_name(name)
 155             self.out_rbtns.append(btn)
 156
 157         # "Start" button
 158         self.start_btn = gtk.Button(_('Start'))
 159         self.start_btn.connect('released', self.start_btn_released, start_func)
 160         # "Stop" button
 161         self.stop_btn = gtk.Button(_('Stop'))
 162         self.stop_btn.set_sensitive(False)
 163         self.stop_btn.connect('clicked', self.stop_btn_clicked)
 164
 165         hbox1 = gtk.HBox(False, 2)
 166         hbox1.pack_start(self.path_label, False, False, 4)
 167         hbox1.pack_start(self.path_entry, True, True, 0)
 168         hbox1.pack_start(self.browse_btn, False, False, 0)
 169
 170         hbox2 = gtk.HBox(False, 2)
 171         hbox2.pack_start(qty_label, False, False, 4)
 172         hbox2.pack_start(self.qty_spin, False, False, 0)
 173
 174         hbox3 = gtk.HBox(False, 2)
 175         hbox3.pack_start(out_label, False, False, 4)
 176         for btn in self.out_rbtns:
 177             hbox3.pack_start(btn, False, False, 0)
 178             # Activate radio button
 179             if btn.get_name() == config['outtype']:
 180                 btn.set_active(True)
 181
 182         hbox4 = gtk.HBox(True, 2)
 183         hbox4.pack_start(self.start_btn, True, True, 0)
 184         hbox4.pack_start(self.stop_btn, True, True, 0)
 185
 186         cr_vbox = gtk.VBox(False, 2)
 187         cr_vbox.set_border_width(2)
 188         cr_vbox.pack_start(hbox1, False, False, 0)
 189         cr_vbox.pack_start(hbox2, False, False, 0)
 190         cr_vbox.pack_start(hbox3, False, False, 0)
 191         cr_vbox.pack_end(hbox4, False, False, 0)
 192         self.nb.append_page(cr_vbox, gtk.Label(_('Criteria')))
 193
 194         #====================
 195         # Others
 196         #====================
 197
 198         self.statusbar = gtk.Statusbar()
 199         self.statusbar.set_has_resize_grip(False)
 200         self.context_id = self.statusbar.get_context_id('Current walked file')
 201
 202         self.vbox = gtk.VBox()
 203         self.vbox.pack_start(self.nb, True, True, 0)
 204         self.vbox.pack_end(self.statusbar, False, False, 0)
 205
 206 #        self.show_out_toplevel(config['outtype'], [(1, 'path', 'bytesize')])
 207
 208         self.toplevel = self.vbox
 209
 210     #=== Functions ============================================================
 211     def browse_btn_clicked(self, btn):
 212         """Open directory browser. "Browse" button clicked callback."""
 213         dialog = gtk.FileChooserDialog(title=_('Choose directory'),
 214                                        action='select-folder',
 215                                        buttons=(gtk.STOCK_OK, gtk.RESPONSE_OK,
 216                                                 gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL))
 217         path = abspath(self.path_entry.get_text())
 218         dialog.set_current_folder(path)
 219         dialog.show_all()
 220         response = dialog.run()
 221         if response == gtk.RESPONSE_OK:
 222             self.path_entry.set_text(dialog.get_filename())
 223         dialog.destroy()
 224
 225     def start_btn_released(self, btn, start_func):
 226         """Start file search. Button "Go" activate callback."""
 227         self.stopit = False
 228         self.stop_btn.set_sensitive(True)
 229         self.start_btn.set_sensitive(False)
 230         start_func(self.get_criteria, self.get_stopit)
 231         self.stop_btn.set_sensitive(False)
 232         self.start_btn.set_sensitive(True)
 233
 234     def stop_btn_clicked(self, widget):
 235         """Stop search. "Stop" button clicked callback."""
 236         self.stopit = True
 237         self.stop_btn.set_sensitive(False)
 238         self.start_btn.set_sensitive(True)
 239
 240     def get_criteria(self):
 241         """Pick search criteria from window."""
 242         for btn in self.out_rbtns:
 243             if btn.get_active():
 244                 out = {}
 245                 out['name'] = btn.get_name()
 246                 out['label'] = btn.get_label()
 247         return out, self.path_entry.get_text(), int(self.qty_spin.get_value())
 248
 249     def get_stopit(self):
 250         return self.stopit
 251
 252     def show_current_status(self, current_path):
 253         """Show current walked path in statusbar and update window."""
 254         self.statusbar.push(self.context_id, current_path)
 255         gtk.main_iteration()
 256
 257     def _new_page(self, child, label):
 258         """Create new notebook page with search output."""
 259         self.nb.append_page(child, gtk.Label(label))
 260         #self.nb.set_current_page(-1)
 261         #child.grab_focus()
 262
 263     def _close_page(self):
 264         pass
 265
 266     def run(self):
 267         pass
 268
 269     #=== Output type selecting ================================================
 270     def show_out_toplevel(self, outtype, results):
 271         print 'Entering <' + outtype['name'] + '> output mode...'
 272         out_submodule = __import__('files.' + outtype['name'], None, None, outtype)
 273
 274         self.out_toplevel = out_submodule.Gtk_Presentation(results).toplevel
 275
 276         self._new_page(self.out_toplevel, outtype['label'])
 277         self.out_toplevel.show_all()
 278 ###        out_submodule.Gtk_Presentation().show_results(results)
 279
 280 #==============================================================================
 281
 282 class Hildon_Presentation(object):
 283
 284     def __init__(self, start_func):
 285         import gtk
 286         import hildon
 287
 288     def run(self):
 289         pass