Mercurial > libervia-desktop
annotate cagou/plugins/plugin_wid_file_sharing.py @ 213:423d462ea739
file sharing: catch OS errors while trying to list files on a local dir
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 25 May 2018 15:10:37 +0200 |
| parents | 38b43ed18bb5 |
| children | 6a98d70a3a66 |
| rev | line source |
|---|---|
| 192 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 # Cagou: desktop/mobile frontend for Salut à Toi XMPP client | |
| 5 # Copyright (C) 2016-2018 Jérôme Poisson (goffi@goffi.org) | |
| 6 | |
| 7 # This program is free software: you can redistribute it and/or modify | |
| 8 # it under the terms of the GNU Affero General Public License as published by | |
| 9 # the Free Software Foundation, either version 3 of the License, or | |
| 10 # (at your option) any later version. | |
| 11 | |
| 12 # This program is distributed in the hope that it will be useful, | |
| 13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 # GNU Affero General Public License for more details. | |
| 16 | |
| 17 # You should have received a copy of the GNU Affero General Public License | |
| 18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 | |
| 21 from sat.core import log as logging | |
| 22 from sat.core import exceptions | |
| 23 log = logging.getLogger(__name__) | |
| 24 from sat.core.i18n import _ | |
| 25 from sat.tools.common import files_utils | |
| 26 from sat_frontends.quick_frontend import quick_widgets | |
| 27 from sat_frontends.tools import jid | |
| 28 from cagou.core.constants import Const as C | |
| 29 from cagou.core import cagou_widget | |
|
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30 from cagou.core.menu import EntitiesSelectorMenu |
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31 from cagou.core.utils import FilterBehavior |
| 192 | 32 from cagou import G |
| 33 from kivy import properties | |
| 34 from kivy.uix.label import Label | |
| 35 from kivy.uix.button import Button | |
| 36 from kivy.uix.boxlayout import BoxLayout | |
| 37 from kivy.garden import modernmenu | |
| 38 from kivy.clock import Clock | |
| 39 from kivy.metrics import dp | |
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40 from kivy import utils as kivy_utils |
| 192 | 41 from functools import partial |
| 42 import os.path | |
| 43 import json | |
| 44 | |
| 45 | |
| 46 PLUGIN_INFO = { | |
| 47 "name": _(u"file sharing"), | |
| 48 "main": "FileSharing", | |
| 49 "description": _(u"share/transfer files between devices"), | |
| 50 "icon_symbol": u"exchange", | |
| 51 } | |
| 52 MODE_VIEW = u"view" | |
| 53 MODE_LOCAL = u"local" | |
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54 SELECT_INSTRUCTIONS = _(u"Please select entities to share with") |
| 192 | 55 |
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56 if kivy_utils.platform == "android": |
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57 from jnius import autoclass |
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58 Environment = autoclass("android.os.Environment") |
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59 base_dir = Environment.getExternalStorageDirectory().getAbsolutePath() |
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60 def expanduser(path): |
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61 if path == u'~' or path.startswith(u'~/'): |
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62 return path.replace(u'~', base_dir, 1) |
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63 return path |
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64 else: |
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65 expanduser = os.path.expanduser |
| 192 | 66 |
| 67 | |
| 68 class ModeBtn(Button): | |
| 69 | |
| 70 def __init__(self, parent, **kwargs): | |
| 71 super(ModeBtn, self).__init__(**kwargs) | |
| 72 parent.bind(mode=self.on_mode) | |
| 73 self.on_mode(parent, parent.mode) | |
| 74 | |
| 75 def on_mode(self, parent, new_mode): | |
| 76 if new_mode == MODE_VIEW: | |
| 77 self.text = _(u"view shared files") | |
| 78 elif new_mode == MODE_LOCAL: | |
| 79 self.text = _(u"share local files") | |
| 80 else: | |
| 81 exceptions.InternalError(u"Unknown mode: {mode}".format(mode=new_mode)) | |
| 82 | |
| 83 | |
| 84 class Identities(object): | |
| 85 | |
| 86 def __init__(self, entity_ids): | |
| 87 identities = {} | |
| 88 for cat, type_, name in entity_ids: | |
| 89 identities.setdefault(cat, {}).setdefault(type_, []).append(name) | |
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90 client = identities.get('client', {}) |
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91 if 'pc' in client: |
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92 self.type = 'desktop' |
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93 elif 'phone' in client: |
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94 self.type = 'phone' |
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95 elif 'web' in client: |
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96 self.type = 'web' |
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97 elif 'console' in client: |
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98 self.type = 'console' |
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99 else: |
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100 self.type = 'desktop' |
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101 |
| 192 | 102 self.identities = identities |
| 103 | |
| 104 @property | |
| 105 def name(self): | |
| 106 return self.identities.values()[0].values()[0][0] | |
| 107 | |
| 108 | |
| 109 class ItemWidget(BoxLayout): | |
| 110 click_timeout = properties.NumericProperty(0.4) | |
| 111 base_width = properties.NumericProperty(dp(100)) | |
| 112 | |
| 113 def __init__(self, sharing_wid, name): | |
| 114 self.sharing_wid = sharing_wid | |
| 115 self.name = name | |
| 116 super(ItemWidget, self).__init__() | |
| 117 | |
| 118 def on_touch_down(self, touch): | |
| 119 if not self.collide_point(*touch.pos): | |
| 120 return | |
| 121 t = partial(self.open_menu, touch) | |
| 122 touch.ud['menu_timeout'] = t | |
| 123 Clock.schedule_once(t, self.click_timeout) | |
| 124 return super(ItemWidget, self).on_touch_down(touch) | |
| 125 | |
| 126 def do_item_action(self, touch): | |
| 127 pass | |
| 128 | |
| 129 def on_touch_up(self, touch): | |
| 130 if touch.ud.get('menu_timeout'): | |
| 131 Clock.unschedule(touch.ud['menu_timeout']) | |
| 132 if self.collide_point(*touch.pos) and self.sharing_wid.menu is None: | |
| 133 self.do_item_action(touch) | |
| 134 return super(ItemWidget, self).on_touch_up(touch) | |
| 135 | |
| 136 def open_menu(self, touch, dt): | |
| 137 self.sharing_wid.open_menu(self, touch) | |
| 138 del touch.ud['menu_timeout'] | |
| 139 | |
| 140 def getMenuChoices(self): | |
| 141 """return choice adapted to selected item | |
| 142 | |
| 143 @return (list[dict]): choices ad expected by ModernMenu | |
| 144 """ | |
| 145 return [] | |
| 146 | |
| 147 | |
| 148 class PathWidget(ItemWidget): | |
| 149 | |
| 150 def __init__(self, sharing_wid, filepath): | |
| 151 name = os.path.basename(filepath) | |
| 152 self.filepath = os.path.normpath(filepath) | |
| 153 if self.filepath == u'.': | |
| 154 self.filepath = u'' | |
| 155 super(PathWidget, self).__init__(sharing_wid, name) | |
| 156 | |
| 157 @property | |
| 158 def is_dir(self): | |
| 159 raise NotImplementedError | |
| 160 | |
| 161 def do_item_action(self, touch): | |
| 162 if self.is_dir: | |
| 163 self.sharing_wid.current_dir = self.filepath | |
| 164 | |
| 165 def open_menu(self, touch, dt): | |
| 166 log.debug(_(u"opening menu for {path}").format(path=self.filepath)) | |
| 167 super(PathWidget, self).open_menu(touch, dt) | |
| 168 | |
| 169 | |
| 170 class LocalPathWidget(PathWidget): | |
| 171 | |
| 172 @property | |
| 173 def is_dir(self): | |
| 174 return os.path.isdir(self.filepath) | |
| 175 | |
| 176 def getMenuChoices(self): | |
| 177 choices = [] | |
| 178 if self.shared: | |
| 179 choices.append(dict(text=_(u'unshare'), | |
| 180 index=len(choices)+1, | |
| 181 callback=self.sharing_wid.unshare)) | |
| 182 else: | |
| 183 choices.append(dict(text=_(u'share'), | |
| 184 index=len(choices)+1, | |
| 185 callback=self.sharing_wid.share)) | |
| 186 return choices | |
| 187 | |
| 188 | |
| 189 class RemotePathWidget(PathWidget): | |
| 190 | |
| 191 def __init__(self, sharing_wid, filepath, type_): | |
| 192 self.type_ = type_ | |
| 193 super(RemotePathWidget, self).__init__(sharing_wid, filepath) | |
| 194 | |
| 195 @property | |
| 196 def is_dir(self): | |
| 197 return self.type_ == C.FILE_TYPE_DIRECTORY | |
| 198 | |
| 199 def do_item_action(self, touch): | |
| 200 if self.is_dir: | |
| 201 if self.filepath == u'..': | |
| 202 self.sharing_wid.remote_entity = u'' | |
| 203 else: | |
| 204 super(RemotePathWidget, self).do_item_action(touch) | |
| 205 else: | |
| 206 self.sharing_wid.request_item(self) | |
| 207 return True | |
| 208 | |
| 209 | |
| 210 class DeviceWidget(ItemWidget): | |
| 211 | |
| 212 def __init__(self, sharing_wid, entity_jid, identities): | |
| 213 self.entity_jid = entity_jid | |
| 214 self.identities = identities | |
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215 own_jid = next(G.host.profiles.itervalues()).whoami |
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216 self.own_device = entity_jid.bare == own_jid |
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217 if self.own_device: |
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218 name = self.identities.name |
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219 elif self.entity_jid.node: |
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220 name = self.entity_jid.node |
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221 elif self.entity_jid.domain.endswith(own_jid.domain): |
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222 name = _(u"your server") |
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223 else: |
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224 name = _(u"sharing component") |
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225 |
| 192 | 226 super(DeviceWidget, self).__init__(sharing_wid, name) |
| 227 | |
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228 def getSymbol(self): |
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229 if self.identities.type == 'desktop': |
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230 return 'desktop' |
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231 elif self.identities.type == 'phone': |
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232 return 'mobile' |
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233 elif self.identities.type == 'web': |
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234 return 'globe' |
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235 elif self.identities.type == 'console': |
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236 return 'terminal' |
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237 else: |
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238 return 'desktop' |
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239 |
| 192 | 240 def do_item_action(self, touch): |
| 241 self.sharing_wid.remote_entity = self.entity_jid | |
| 242 self.sharing_wid.remote_dir = u'' | |
| 243 | |
| 244 | |
| 245 class CategorySeparator(Label): | |
| 246 pass | |
| 247 | |
| 248 | |
| 249 class Menu(modernmenu.ModernMenu): | |
| 250 pass | |
| 251 | |
| 252 | |
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253 class FileSharing(quick_widgets.QuickWidget, cagou_widget.CagouWidget, FilterBehavior): |
| 192 | 254 SINGLE=False |
| 255 float_layout = properties.ObjectProperty() | |
| 256 layout = properties.ObjectProperty() | |
| 257 mode = properties.OptionProperty(MODE_LOCAL, options=[MODE_VIEW, MODE_LOCAL]) | |
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258 local_dir = properties.StringProperty(expanduser(u'~')) |
| 192 | 259 remote_dir = properties.StringProperty(u'') |
| 260 remote_entity = properties.StringProperty(u'') | |
| 261 shared_paths = properties.ListProperty() | |
| 262 signals_registered = False | |
| 263 | |
| 264 def __init__(self, host, target, profiles): | |
| 265 quick_widgets.QuickWidget.__init__(self, host, target, profiles) | |
| 266 cagou_widget.CagouWidget.__init__(self) | |
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267 FilterBehavior.__init__(self) |
| 192 | 268 self.mode_btn = ModeBtn(self) |
| 269 self.mode_btn.bind(on_release=self.change_mode) | |
| 270 self.headerInputAddExtra(self.mode_btn) | |
| 271 self.bind(local_dir=self.update_view, | |
| 272 remote_dir=self.update_view, | |
| 273 remote_entity=self.update_view) | |
| 274 self.update_view() | |
| 275 self.menu = None | |
| 276 self.menu_item = None | |
| 277 self.float_layout.bind(children=self.clean_fl_children) | |
| 278 if not FileSharing.signals_registered: | |
| 279 # FIXME: we use this hack (registering the signal for the whole class) now | |
| 280 # as there is currently no unregisterSignal available in bridges | |
| 281 G.host.registerSignal("FISSharedPathNew", handler=FileSharing.shared_path_new, iface="plugin") | |
| 282 G.host.registerSignal("FISSharedPathRemoved", handler=FileSharing.shared_path_removed, iface="plugin") | |
| 283 FileSharing.signals_registered = True | |
| 284 G.host.bridge.FISLocalSharesGet(self.profile, | |
| 285 callback=self.fill_paths, | |
| 286 errback=G.host.errback) | |
| 287 | |
| 288 @property | |
| 289 def current_dir(self): | |
| 290 return self.local_dir if self.mode == MODE_LOCAL else self.remote_dir | |
| 291 | |
| 292 @current_dir.setter | |
| 293 def current_dir(self, new_dir): | |
| 294 if self.mode == MODE_LOCAL: | |
| 295 self.local_dir = new_dir | |
| 296 else: | |
| 297 self.remote_dir = new_dir | |
| 298 | |
| 299 def fill_paths(self, shared_paths): | |
| 300 self.shared_paths.extend(shared_paths) | |
| 301 | |
| 302 def change_mode(self, mode_btn): | |
| 303 self.clear_menu() | |
| 304 opt = self.__class__.mode.options | |
| 305 new_idx = (opt.index(self.mode)+1) % len(opt) | |
| 306 self.mode = opt[new_idx] | |
| 307 | |
| 308 def on_mode(self, instance, new_mode): | |
| 309 self.update_view(None, self.local_dir) | |
| 310 | |
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311 def onHeaderInput(self): |
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312 if u'/' in self.header_input.text or self.header_input.text == u'~': |
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313 self.current_dir = expanduser(self.header_input.text) |
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314 |
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315 def onHeaderInputComplete(self, wid, text, **kwargs): |
| 192 | 316 """we filter items when text is entered in input box""" |
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317 if u'/' in text: |
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318 return |
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319 self.do_filter(self.layout.children, |
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320 text, |
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321 lambda c: c.name, |
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322 width_cb=lambda c: c.base_width, |
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323 height_cb=lambda c: c.minimum_height, |
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324 continue_tests=[lambda c: not isinstance(c, ItemWidget), |
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325 lambda c: c.name == u'..']) |
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326 |
| 192 | 327 |
| 328 ## remote sharing callback ## | |
| 329 | |
| 330 def _discoFindByFeaturesCb(self, data): | |
| 331 entities_services, entities_own, entities_roster = data | |
| 332 for entities_map, title in ((entities_services, | |
| 333 _(u'services')), | |
| 334 (entities_own, | |
| 335 _(u'your devices')), | |
| 336 (entities_roster, | |
| 337 _(u'your contacts devices'))): | |
| 338 if entities_map: | |
| 339 self.layout.add_widget(CategorySeparator(text=title)) | |
| 340 for entity_str, entity_ids in entities_map.iteritems(): | |
| 341 entity_jid = jid.JID(entity_str) | |
| 342 item = DeviceWidget(self, | |
| 343 entity_jid, | |
| 344 Identities(entity_ids)) | |
| 345 self.layout.add_widget(item) | |
| 346 | |
| 347 def discover_devices(self): | |
| 348 """Looks for devices handling file "File Information Sharing" and display them""" | |
| 349 try: | |
| 350 namespace = self.host.ns_map['fis'] | |
| 351 except KeyError: | |
| 352 msg = _(u"can't find file information sharing namespace, is the plugin running?") | |
| 353 log.warning(msg) | |
| 354 G.host.addNote(_(u"missing plugin"), msg, C.XMLUI_DATA_LVL_ERROR) | |
| 355 return | |
| 356 self.host.bridge.discoFindByFeatures( | |
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357 [namespace], [], False, True, True, True, False, self.profile, |
| 192 | 358 callback=self._discoFindByFeaturesCb, |
| 359 errback=partial(G.host.errback, | |
| 360 title=_(u"shared folder error"), | |
| 361 message=_(u"can't check sharing devices: {msg}"))) | |
| 362 | |
| 363 def FISListCb(self, files_data): | |
| 364 for file_data in files_data: | |
| 365 filepath = os.path.join(self.current_dir, file_data[u'name']) | |
| 366 item = RemotePathWidget( | |
| 367 self, | |
| 368 filepath=filepath, | |
| 369 type_=file_data[u'type']) | |
| 370 self.layout.add_widget(item) | |
| 371 | |
| 372 def FISListEb(self, failure_): | |
| 373 self.remote_dir = u'' | |
| 374 G.host.addNote( | |
| 375 _(u"shared folder error"), | |
| 376 _(u"can't list files for {remote_entity}: {msg}").format( | |
| 377 remote_entity=self.remote_entity, | |
| 378 msg=failure_), | |
| 379 level=C.XMLUI_DATA_LVL_WARNING) | |
| 380 | |
| 381 ## view generation ## | |
| 382 | |
| 383 def update_view(self, *args): | |
| 384 """update items according to current mode, entity and dir""" | |
| 385 log.debug(u'updating {}, {}'.format(self.current_dir, args)) | |
| 386 self.layout.clear_widgets() | |
| 387 self.header_input.text = u'' | |
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388 self.header_input.hint_text = self.current_dir |
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389 |
| 192 | 390 if self.mode == MODE_LOCAL: |
| 391 filepath = os.path.join(self.local_dir, u'..') | |
| 392 self.layout.add_widget(LocalPathWidget(sharing_wid=self, filepath=filepath)) | |
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393 try: |
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394 files = sorted(os.listdir(self.local_dir)) |
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395 except OSError as e: |
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396 msg = _(u"can't list files in \"{local_dir}\": {msg}").format( |
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397 local_dir=self.local_dir, |
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398 msg=e) |
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399 G.host.addNote( |
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400 _(u"shared folder error"), |
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401 msg, |
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402 level=C.XMLUI_DATA_LVL_WARNING) |
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403 self.local_dir = expanduser(u'~') |
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404 return |
| 192 | 405 for f in files: |
| 406 filepath = os.path.join(self.local_dir, f) | |
| 407 self.layout.add_widget(LocalPathWidget(sharing_wid=self, filepath=filepath)) | |
| 408 elif self.mode == MODE_VIEW: | |
| 409 if not self.remote_entity: | |
| 410 self.discover_devices() | |
| 411 else: | |
| 412 # we always a way to go back | |
| 413 # so user can return to previous list even in case of error | |
| 414 parent_path = os.path.join(self.remote_dir, u'..') | |
| 415 item = RemotePathWidget( | |
| 416 self, | |
| 417 filepath = parent_path, | |
| 418 type_ = C.FILE_TYPE_DIRECTORY) | |
| 419 self.layout.add_widget(item) | |
| 420 self.host.bridge.FISList( | |
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421 unicode(self.remote_entity), |
| 192 | 422 self.remote_dir, |
| 423 {}, | |
| 424 self.profile, | |
| 425 callback=self.FISListCb, | |
| 426 errback=self.FISListEb) | |
| 427 | |
| 428 ## menu methods ## | |
| 429 | |
| 430 def clean_fl_children(self, layout, children): | |
| 431 """insure that self.menu and self.menu_item are None when menu is dimissed""" | |
| 432 if self.menu is not None and self.menu not in children: | |
| 433 self.menu = self.menu_item = None | |
| 434 | |
| 435 def clear_menu(self): | |
| 436 """remove menu if there is one""" | |
| 437 if self.menu is not None: | |
| 438 self.menu.dismiss() | |
| 439 self.menu = None | |
| 440 self.menu_item = None | |
| 441 | |
| 442 def open_menu(self, item, touch): | |
| 443 """open menu for item | |
| 444 | |
| 445 @param item(PathWidget): item when the menu has been requested | |
| 446 @param touch(kivy.input.MotionEvent): touch data | |
| 447 """ | |
| 448 if self.menu_item == item: | |
| 449 return | |
| 450 self.clear_menu() | |
| 451 pos = self.to_widget(*touch.pos) | |
| 452 choices = item.getMenuChoices() | |
| 453 if not choices: | |
| 454 return | |
| 455 self.menu = Menu(choices=choices, | |
| 456 center=pos, | |
| 457 size_hint=(None, None)) | |
| 458 self.float_layout.add_widget(self.menu) | |
| 459 self.menu.start_display(touch) | |
| 460 self.menu_item = item | |
| 461 | |
| 462 ## Share methods ## | |
| 463 | |
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464 def do_share(self, entities_jids, item): |
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465 if entities_jids: |
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466 access = {u'read': {u'type': 'whitelist', |
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467 u'jids': entities_jids}} |
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468 else: |
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469 access = {} |
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470 |
| 192 | 471 G.host.bridge.FISSharePath( |
| 472 item.name, | |
| 473 item.filepath, | |
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474 json.dumps(access, ensure_ascii=False), |
| 192 | 475 self.profile, |
| 476 callback=lambda name: G.host.addNote( | |
| 477 _(u"sharing folder"), | |
| 478 _(u"{name} is now shared").format(name=name)), | |
| 479 errback=partial(G.host.errback, | |
| 480 title=_(u"sharing folder"), | |
| 481 message=_(u"can't share folder: {msg}"))) | |
| 482 | |
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483 def share(self, menu): |
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484 item = self.menu_item |
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485 self.clear_menu() |
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486 EntitiesSelectorMenu(instructions=SELECT_INSTRUCTIONS, |
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487 callback=partial(self.do_share, item=item)).show() |
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488 |
| 192 | 489 def unshare(self, menu): |
| 490 item = self.menu_item | |
| 491 self.clear_menu() | |
| 492 G.host.bridge.FISUnsharePath( | |
| 493 item.filepath, | |
| 494 self.profile, | |
| 495 callback=lambda: G.host.addNote( | |
| 496 _(u"sharing folder"), | |
| 497 _(u"{name} is not shared anymore").format(name=item.name)), | |
| 498 errback=partial(G.host.errback, | |
| 499 title=_(u"sharing folder"), | |
| 500 message=_(u"can't unshare folder: {msg}"))) | |
| 501 | |
| 502 def fileJingleRequestCb(self, progress_id, item, dest_path): | |
| 503 G.host.addNote( | |
| 504 _(u"file request"), | |
| 505 _(u"{name} download started at {dest_path}").format( | |
| 506 name = item.name, | |
| 507 dest_path = dest_path)) | |
| 508 | |
| 509 def request_item(self, item): | |
| 510 """Retrieve an item from remote entity | |
| 511 | |
| 512 @param item(RemotePathWidget): item to retrieve | |
| 513 """ | |
| 514 path, name = os.path.split(item.filepath) | |
| 515 assert name | |
| 516 assert self.remote_entity | |
| 517 extra = {'path': path} | |
| 518 dest_path = files_utils.get_unique_name(os.path.join(G.host.downloads_dir, name)) | |
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519 G.host.bridge.fileJingleRequest(unicode(self.remote_entity), |
| 192 | 520 dest_path, |
| 521 name, | |
| 522 u'', | |
| 523 u'', | |
| 524 extra, | |
| 525 self.profile, | |
| 526 callback=partial(self.fileJingleRequestCb, | |
| 527 item=item, | |
| 528 dest_path=dest_path), | |
| 529 errback=partial(G.host.errback, | |
| 530 title = _(u"file request error"), | |
| 531 message = _(u"can't request file: {msg}"))) | |
| 532 | |
| 533 @classmethod | |
| 534 def shared_path_new(cls, shared_path, name, profile): | |
| 535 for wid in G.host.getVisibleList(cls): | |
| 536 if shared_path not in wid.shared_paths: | |
| 537 wid.shared_paths.append(shared_path) | |
| 538 | |
| 539 @classmethod | |
| 540 def shared_path_removed(cls, shared_path, profile): | |
| 541 for wid in G.host.getVisibleList(cls): | |
| 542 if shared_path in wid.shared_paths: | |
| 543 wid.shared_paths.remove(shared_path) | |
| 544 else: | |
| 545 log.warning(_(u"shared path {path} not found in {widget}".format( | |
| 546 path = shared_path, widget = wid))) |