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