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, isdir, getsize
   7 from heapq import nlargest
   8 from fnmatch import fnmatch
   9
  10 from misc import size_hum_read, _
  11 from config import config
  12
  13 OUTTYPES = [
  14     ('out_table',  _('Table')),
  15     ('out_diabar', _('Bar chart')),
  16     ('out_diapie', _('Pie chart')),
  17     ('out_diaold', _('Old chart')),
  18 ]
  19
  20 #==============================================================================
  21
  22 class Control(object):
  23
  24     def __init__(self, ui, params):
  25         self.present = eval(ui + '_Presentation(self.start_search, params)')
  26         self.abstrac = Abstraction(self.present)
  27
  28         self.toplevel = self.present.toplevel
  29
  30     def start_search(self, get_criteria, get_stopit):
  31         filelist = []
  32         outtype, start_path, count, file_filter = get_criteria()
  33         search_func = self.abstrac.filegetter(start_path, file_filter, get_stopit)
  34
  35         for fsize, fpath in nlargest(count, search_func):
  36             filelist.append([int(fsize), fpath, size_hum_read(fsize)])
  37
  38         if not filelist:
  39             self.present.nothing_founded()
  40             return
  41         results = [filelist, start_path]
  42         self.present.show_out_toplevel(outtype, results)
  43
  44     def run(self):
  45         self.present.run()
  46
  47 #==============================================================================
  48
  49 class Abstraction(object):
  50
  51     def __init__(self, presentation):
  52         self.ignore_dirs = config['files']['ignore_dirs']
  53         self.presentation = presentation
  54
  55     def filegetter(self, startdir, file_filter, get_stopit):
  56         """Generator of file sizes and paths based on os.walk."""
  57         # Walk across directory tree
  58         for dirpath, dirnames, fnames in walk(startdir):
  59             # Eliminate unnecessary directories
  60             ignore_dirs = self.ignore_dirs
  61             for ign_dir in ignore_dirs[:]:
  62                 for dirname in dirnames[:]:
  63                     if ign_dir == normcase(join(abspath(dirpath), dirname)):
  64                         dirnames.remove(dirname)
  65                         ignore_dirs.remove(ign_dir)
  66
  67             for fname in fnames:
  68                 # Store only necessary files
  69                 for mask in file_filter:
  70                     if fnmatch(fname, mask):
  71                         # Crutch for non-unicode names
  72                         #flpath = unicode(join(dirpath, fname), '1251')
  73                         flpath = join(dirpath, fname)
  74                         # Show current path
  75                         self.presentation.show_current_status(flpath)
  76                         # Stop search via 'stopit' signal
  77                         stopit = get_stopit()
  78                         if stopit:
  79                             stopit = False
  80                             print 'Stopped'
  81                             raise StopIteration
  82                         # Query only valid files
  83                         try:
  84                             # Return results (bytesize, path)
  85                             yield getsize(flpath), flpath
  86                         except OSError:
  87                             continue
  88
  89 #==============================================================================
  90
  91 class Cli_Presentation(object):
  92     def __init__(self, start_func, params):
  93         self.start_func = start_func
  94
  95         self.outtype = params['outtype']
  96         self.start_path = params['start_path']
  97         self.count = params['count']
  98         self.file_filter = params['file_filter'].split(';')
  99         self.stopit = False
 100
 101         self.toplevel = None
 102
 103     def get_data(self):
 104         return self.outtype, self.start_path, int(self.count), self.file_filter
 105
 106     def get_stopit(self):
 107         return False
 108
 109     def show_out_toplevel(self, outtype, results):
 110         out_submodule = __import__('files.' + outtype, None, None, outtype)
 111         out_submodule.Cli_Presentation(results).toplevel
 112
 113     def show_current_status(self, current_path):
 114         #pass
 115         print '|' + '\r',
 116         print '/' + '\r',
 117         print '-' + '\r',
 118         print '\\' + '\r',
 119         ### print current_path
 120
 121     def nothing_founded(self):
 122         print _('Nothing founded!')
 123
 124     def run(self):
 125         self.start_func(self.get_data, self.get_stopit)
 126
 127 #==============================================================================
 128
 129 class Gtk_Presentation(object):
 130
 131     def __init__(self, start_func, __):
 132         import gtk
 133         global gtk  # for show_current_status()
 134         from misc import NotebookWCloseBtns
 135
 136         self.nb = NotebookWCloseBtns()
 137         self.nb.notebook.set_scrollable(True)
 138         self.nb.notebook.set_border_width(2)
 139
 140         #====================
 141         # Notebook
 142         #====================
 143
 144         # "Start path" label
 145         self.path_label = gtk.Label(_('Path'))
 146         # "Start path" entry
 147         self.path_entry = gtk.Entry()
 148         self.path_entry.set_text(config['files']['start_path'])
 149         # "Browse" button
 150         self.browse_btn = gtk.Button('Browse...')
 151         self.browse_btn.connect('clicked', self.browse_btn_clicked)
 152
 153         # "Files quantity" label
 154         qty_label = gtk.Label(_('Files quantity'))
 155         # "Files quantity" spin
 156         self.qty_spin = gtk.SpinButton()
 157         self.qty_spin.set_numeric(True)
 158         self.qty_spin.set_range(0, 65536)
 159         self.qty_spin.set_increments(1, 10)
 160         self.qty_spin.set_value(config['files']['count'])
 161
 162         # "Filter" label
 163         filter_label = gtk.Label(_('Filter (semicolon separated)'))
 164         # "Filter" entry
 165         self.filter_entry = gtk.Entry()
 166         self.filter_entry.set_text(config['files']['filter'])
 167
 168         # "Output" label
 169         out_label = gtk.Label(_('Output'))
 170         # Output selection
 171         btn = gtk.RadioButton(None, OUTTYPES[0][1])
 172         btn.set_name(OUTTYPES[0][0])
 173         self.out_rbtns = []
 174         self.out_rbtns.append(btn)
 175         for name, label in OUTTYPES[1:]:
 176             btn = gtk.RadioButton(self.out_rbtns[0], label)
 177             btn.set_name(name)
 178             self.out_rbtns.append(btn)
 179
 180         # "Start" button
 181         self.start_btn = gtk.Button(_('Start'))
 182         self.start_btn.connect('released', self.start_btn_released, start_func)
 183         # "Stop" button
 184         self.stop_btn = gtk.Button(_('Stop'))
 185         self.stop_btn.set_sensitive(False)
 186         self.stop_btn.connect('clicked', self.stop_btn_clicked)
 187
 188         path_hbox = gtk.HBox(False, 2)
 189         path_hbox.pack_start(self.path_label, False, False, 4)
 190         path_hbox.pack_start(self.path_entry, True, True, 0)
 191         path_hbox.pack_start(self.browse_btn, False, False, 0)
 192
 193         qty_hbox = gtk.HBox(False, 2)
 194         qty_hbox.pack_start(qty_label, False, False, 4)
 195         qty_hbox.pack_start(self.qty_spin, False, False, 0)
 196
 197         filter_hbox = gtk.HBox(False, 2)
 198         filter_hbox.pack_start(filter_label, False, False, 4)
 199         filter_hbox.pack_start(self.filter_entry, True, True, 0)
 200
 201         out_hbox = gtk.HBox(False, 2)
 202         out_hbox.pack_start(out_label, False, False, 4)
 203         for btn in self.out_rbtns:
 204             out_hbox.pack_start(btn, False, False, 0)
 205             # Activate radio button
 206             if btn.get_name() == config['outtype']:
 207                 btn.set_active(True)
 208
 209         control_hbox = gtk.HBox(True, 2)
 210         control_hbox.pack_start(self.start_btn, True, True, 0)
 211         control_hbox.pack_start(self.stop_btn, True, True, 0)
 212
 213         cr_vbox = gtk.VBox(False, 2)
 214         cr_vbox.set_border_width(2)
 215         cr_vbox.pack_start(path_hbox, False, False, 0)
 216         cr_vbox.pack_start(qty_hbox, False, False, 0)
 217         cr_vbox.pack_start(filter_hbox, False, False, 0)
 218         cr_vbox.pack_start(out_hbox, False, False, 0)
 219         cr_vbox.pack_end(control_hbox, False, False, 0)
 220
 221         self.nb.new_tab(cr_vbox, _('Criteria'), noclose=True)
 222
 223         #====================
 224         # Others
 225         #====================
 226
 227         self.statusbar = gtk.Statusbar()
 228         self.statusbar.set_has_resize_grip(False)
 229         self.context_id = self.statusbar.get_context_id('Current walked file')
 230
 231         self.vbox = gtk.VBox()
 232         self.vbox.pack_start(self.nb.notebook, True, True, 0)
 233         self.vbox.pack_end(self.statusbar, False, False, 0)
 234
 235 #        self.show_out_toplevel(config['outtype'], [(1, 'path', 'bytesize')])
 236
 237         self.toplevel = self.vbox
 238
 239     #=== Functions ============================================================
 240     def browse_btn_clicked(self, btn):
 241         """Open directory browser. "Browse" button clicked callback."""
 242         dialog = gtk.FileChooserDialog(title=_('Choose directory'),
 243                                        action='select-folder',
 244                                        buttons=(gtk.STOCK_OK, gtk.RESPONSE_OK,
 245                                                 gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL))
 246         path = abspath(self.path_entry.get_text())
 247         dialog.set_current_folder(path)
 248         dialog.show_all()
 249         response = dialog.run()
 250         if response == gtk.RESPONSE_OK:
 251             self.path_entry.set_text(dialog.get_filename())
 252         dialog.destroy()
 253
 254     def start_btn_released(self, btn, start_func):
 255         """Start file search. Button "Go" activate callback."""
 256         self.stopit = False
 257         self.stop_btn.set_sensitive(True)
 258         self.start_btn.set_sensitive(False)
 259         start_func(self.get_criteria, self.get_stopit)
 260         self.stop_btn.set_sensitive(False)
 261         self.start_btn.set_sensitive(True)
 262
 263     def stop_btn_clicked(self, widget):
 264         """Stop search. "Stop" button clicked callback."""
 265         self.stopit = True
 266         self.stop_btn.set_sensitive(False)
 267         self.start_btn.set_sensitive(True)
 268
 269     def get_criteria(self):
 270         """Pick search criteria from window."""
 271         for btn in self.out_rbtns:
 272             if btn.get_active():
 273                 out = {}
 274                 out['name'] = btn.get_name()
 275                 out['label'] = btn.get_label()
 276         file_filter = self.filter_entry.get_text().split(';')
 277         # If no filter - show all files
 278         if file_filter == ['']:
 279             file_filter = ['*.*']
 280         return out, \
 281             self.path_entry.get_text(), int(self.qty_spin.get_value()), \
 282             file_filter
 283
 284     def get_stopit(self):
 285         return self.stopit
 286
 287     def show_current_status(self, current_path):
 288         """Show current walked path in statusbar and update window."""
 289         self.statusbar.push(self.context_id, current_path)
 290         gtk.main_iteration()
 291
 292     def nothing_founded(self):
 293         self.statusbar.push(self.context_id, _('Nothing founded!'))
 294
 295     def run(self):
 296         pass
 297
 298     #=== Output type selecting ================================================
 299     def show_out_toplevel(self, outtype, results):
 300         out_submodule = __import__('files.' + outtype['name'], None, None, outtype)
 301         self.out_toplevel = out_submodule.Gtk_Presentation(results).toplevel
 302         self.nb.new_tab(self.out_toplevel, outtype['label'])
 303 ###        out_submodule.Gtk_Presentation().show_results(results)
 304
 305 #==============================================================================
 306
 307 class Hildon_Presentation(object):
 308
 309     def __init__(self, start_func):
 310         import gtk
 311         import hildon
 312
 313     def run(self):
 314         pass