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