4 from collections import deque
7 from twisted.internet import defer, reactor, task
8 from twisted.python.failure import Failure
9 from twisted.python import runtime
10 from twisted.application import service
12 from allmydata.util import fileutil
13 from allmydata.interfaces import IDirectoryNode
14 from allmydata.util import log
15 from allmydata.util.fileutil import precondition_abspath, get_pathinfo, ConflictError
16 from allmydata.util.assertutil import precondition, _assert
17 from allmydata.util.deferredutil import HookMixin
18 from allmydata.util.encodingutil import listdir_filepath, to_filepath, \
19 extend_filepath, unicode_from_filepath, unicode_segments_from, \
20 quote_filepath, quote_local_unicode_path, quote_output, FilenameEncodingError
21 from allmydata.immutable.upload import FileName, Data
22 from allmydata import magicfolderdb, magicpath
25 IN_EXCL_UNLINK = 0x04000000L
27 def get_inotify_module():
29 if sys.platform == "win32":
30 from allmydata.windows import inotify
31 elif runtime.platform.supportsINotify():
32 from twisted.internet import inotify
34 raise NotImplementedError("filesystem notification needed for Magic Folder is not supported.\n"
35 "This currently requires Linux or Windows.")
37 except (ImportError, AttributeError) as e:
39 if sys.platform == "win32":
40 raise NotImplementedError("filesystem notification needed for Magic Folder is not supported.\n"
41 "Windows support requires at least Vista, and has only been tested on Windows 7.")
45 class MagicFolder(service.MultiService):
48 def __init__(self, client, upload_dircap, collective_dircap, local_path_u, dbfile,
49 pending_delay=1.0, clock=None):
50 precondition_abspath(local_path_u)
52 service.MultiService.__init__(self)
54 immediate = clock is not None
55 clock = clock or reactor
56 db = magicfolderdb.get_magicfolderdb(dbfile, create_version=(magicfolderdb.SCHEMA_v1, 1))
58 return Failure(Exception('ERROR: Unable to load magic folder db.'))
64 upload_dirnode = self._client.create_node_from_uri(upload_dircap)
65 collective_dirnode = self._client.create_node_from_uri(collective_dircap)
67 self.uploader = Uploader(client, local_path_u, db, upload_dirnode, pending_delay, clock, immediate)
68 self.downloader = Downloader(client, local_path_u, db, collective_dirnode, upload_dirnode.get_readonly_uri(), clock)
70 def startService(self):
71 # TODO: why is this being called more than once?
73 return defer.succeed(None)
74 print "%r.startService" % (self,)
75 service.MultiService.startService(self)
76 return self.uploader.start_monitoring()
79 """ready is used to signal us to start
80 processing the upload and download items...
82 d = self.uploader.start_scanning()
83 d2 = self.downloader.start_scanning()
84 d.addCallback(lambda ign: d2)
89 d = self.uploader.stop()
90 d2 = self.downloader.stop()
91 d.addCallback(lambda ign: d2)
94 def remove_service(self):
95 return service.MultiService.disownServiceParent(self)
98 class QueueMixin(HookMixin):
99 def __init__(self, client, local_path_u, db, name, clock):
100 self._client = client
101 self._local_path_u = local_path_u
102 self._local_filepath = to_filepath(local_path_u)
106 self._hooks = {'processed': None, 'started': None}
107 self.started_d = self.set_hook('started')
109 if not self._local_filepath.exists():
110 raise AssertionError("The '[magic_folder] local.directory' parameter was %s "
111 "but there is no directory at that location."
112 % quote_local_unicode_path(self._local_path_u))
113 if not self._local_filepath.isdir():
114 raise AssertionError("The '[magic_folder] local.directory' parameter was %s "
115 "but the thing at that location is not a directory."
116 % quote_local_unicode_path(self._local_path_u))
118 self._deque = deque()
119 self._lazy_tail = defer.succeed(None)
120 self._stopped = False
123 def _get_filepath(self, relpath_u):
124 self._log("_get_filepath(%r)" % (relpath_u,))
125 return extend_filepath(self._local_filepath, relpath_u.split(u"/"))
127 def _get_relpath(self, filepath):
128 self._log("_get_relpath(%r)" % (filepath,))
129 segments = unicode_segments_from(filepath, self._local_filepath)
130 self._log("segments = %r" % (segments,))
131 return u"/".join(segments)
133 def _count(self, counter_name, delta=1):
134 ctr = 'magic_folder.%s.%s' % (self._name, counter_name)
135 self._log("%s += %r" % (counter_name, delta))
136 self._client.stats_provider.count(ctr, delta)
138 def _logcb(self, res, msg):
139 self._log("%s: %r" % (msg, res))
143 s = "Magic Folder %s %s: %s" % (quote_output(self._client.nickname), self._name, msg)
146 #open("events", "ab+").write(msg)
148 def _turn_deque(self):
149 self._log("_turn_deque")
154 item = self._deque.pop()
155 self._log("popped %r" % (item,))
156 self._count('objects_queued', -1)
158 self._log("deque is now empty")
159 self._lazy_tail.addCallback(lambda ign: self._when_queue_is_empty())
161 self._lazy_tail.addCallback(lambda ign: self._process(item))
162 self._lazy_tail.addBoth(self._call_hook, 'processed')
163 self._lazy_tail.addErrback(log.err)
164 self._lazy_tail.addCallback(lambda ign: task.deferLater(self._clock, self._turn_delay, self._turn_deque))
167 class Uploader(QueueMixin):
168 def __init__(self, client, local_path_u, db, upload_dirnode, pending_delay, clock,
170 QueueMixin.__init__(self, client, local_path_u, db, 'uploader', clock)
172 self.is_ready = False
173 self._immediate = immediate
175 if not IDirectoryNode.providedBy(upload_dirnode):
176 raise AssertionError("The URI in '%s' does not refer to a directory."
177 % os.path.join('private', 'magic_folder_dircap'))
178 if upload_dirnode.is_unknown() or upload_dirnode.is_readonly():
179 raise AssertionError("The URI in '%s' is not a writecap to a directory."
180 % os.path.join('private', 'magic_folder_dircap'))
182 self._upload_dirnode = upload_dirnode
183 self._inotify = get_inotify_module()
184 self._notifier = self._inotify.INotify()
185 self._pending = set()
187 if hasattr(self._notifier, 'set_pending_delay'):
188 self._notifier.set_pending_delay(pending_delay)
190 # TODO: what about IN_MOVE_SELF and IN_UNMOUNT?
192 self.mask = ( self._inotify.IN_CREATE
193 | self._inotify.IN_CLOSE_WRITE
194 | self._inotify.IN_MOVED_TO
195 | self._inotify.IN_MOVED_FROM
196 | self._inotify.IN_DELETE
197 | self._inotify.IN_ONLYDIR
200 self._notifier.watch(self._local_filepath, mask=self.mask, callbacks=[self._notify],
203 def start_monitoring(self):
204 self._log("start_monitoring")
205 d = defer.succeed(None)
206 d.addCallback(lambda ign: self._notifier.startReading())
207 d.addCallback(lambda ign: self._count('dirs_monitored'))
208 d.addBoth(self._call_hook, 'started')
213 self._notifier.stopReading()
214 self._count('dirs_monitored', -1)
215 if hasattr(self._notifier, 'wait_until_stopped'):
216 d = self._notifier.wait_until_stopped()
218 d = defer.succeed(None)
219 d.addCallback(lambda ign: self._lazy_tail)
222 def start_scanning(self):
223 self._log("start_scanning")
225 self._pending = self._db.get_all_relpaths()
226 self._log("all_files %r" % (self._pending))
228 def _add_pending(ign):
229 # This adds all of the files that were in the db but not already processed
230 # (normally because they have been deleted on disk).
231 self._log("adding %r" % (self._pending))
232 self._deque.extend(self._pending)
233 d.addCallback(_add_pending)
234 d.addCallback(lambda ign: self._turn_deque())
237 def _scan(self, reldir_u):
238 self._log("scan %r" % (reldir_u,))
239 fp = self._get_filepath(reldir_u)
241 children = listdir_filepath(fp)
242 except EnvironmentError:
243 raise Exception("WARNING: magic folder: permission denied on directory %s"
244 % quote_filepath(fp))
245 except FilenameEncodingError:
246 raise Exception("WARNING: magic folder: could not list directory %s due to a filename encoding error"
247 % quote_filepath(fp))
249 d = defer.succeed(None)
250 for child in children:
251 _assert(isinstance(child, unicode), child=child)
252 d.addCallback(lambda ign, child=child:
253 ("%s/%s" % (reldir_u, child) if reldir_u else child))
254 def _add_pending(relpath_u):
255 if magicpath.should_ignore_file(relpath_u):
258 self._pending.add(relpath_u)
260 d.addCallback(_add_pending)
261 # This call to _process doesn't go through the deque, and probably should.
262 d.addCallback(self._process)
263 d.addBoth(self._call_hook, 'processed')
264 d.addErrback(log.err)
268 def _notify(self, opaque, path, events_mask):
269 self._log("inotify event %r, %r, %r\n" % (opaque, path, ', '.join(self._inotify.humanReadableMask(events_mask))))
270 relpath_u = self._get_relpath(path)
272 # We filter out IN_CREATE events not associated with a directory.
273 # Acting on IN_CREATE for files could cause us to read and upload
274 # a possibly-incomplete file before the application has closed it.
275 # There should always be an IN_CLOSE_WRITE after an IN_CREATE, I think.
276 # It isn't possible to avoid watching for IN_CREATE at all, because
277 # it is the only event notified for a directory creation.
279 if ((events_mask & self._inotify.IN_CREATE) != 0 and
280 (events_mask & self._inotify.IN_ISDIR) == 0):
281 self._log("ignoring event for %r (creation of non-directory)\n" % (relpath_u,))
283 if relpath_u in self._pending:
284 self._log("ignoring event for %r (already pending)" % (relpath_u,))
286 if magicpath.should_ignore_file(relpath_u):
287 self._log("ignoring event for %r (ignorable path)" % (relpath_u,))
290 self._log("appending %r to deque" % (relpath_u,))
291 self._deque.append(relpath_u)
292 self._pending.add(relpath_u)
293 self._count('objects_queued')
295 if self._immediate: # for tests
298 self._clock.callLater(0, self._turn_deque)
300 def _when_queue_is_empty(self):
301 return defer.succeed(None)
303 def _process(self, relpath_u):
305 self._log("_process(%r)" % (relpath_u,))
306 if relpath_u is None:
308 precondition(isinstance(relpath_u, unicode), relpath_u)
309 precondition(not relpath_u.endswith(u'/'), relpath_u)
311 d = defer.succeed(None)
313 def _maybe_upload(val, now=None):
316 fp = self._get_filepath(relpath_u)
317 pathinfo = get_pathinfo(unicode_from_filepath(fp))
319 self._log("about to remove %r from pending set %r" %
320 (relpath_u, self._pending))
321 self._pending.remove(relpath_u)
322 encoded_path_u = magicpath.path2magic(relpath_u)
324 if not pathinfo.exists:
325 # FIXME merge this with the 'isfile' case.
326 self._log("notified object %s disappeared (this is normal)" % quote_filepath(fp))
327 self._count('objects_disappeared')
328 if not self._db.check_file_db_exists(relpath_u):
331 last_downloaded_timestamp = now
332 last_downloaded_uri = self._db.get_last_downloaded_uri(relpath_u)
334 current_version = self._db.get_local_file_version(relpath_u)
335 if current_version is None:
337 elif self._db.is_new_file(pathinfo, relpath_u):
338 new_version = current_version + 1
340 self._log("Not uploading %r" % (relpath_u,))
341 self._count('objects_not_uploaded')
344 metadata = { 'version': new_version,
346 'last_downloaded_timestamp': last_downloaded_timestamp }
347 if last_downloaded_uri is not None:
348 metadata['last_downloaded_uri'] = last_downloaded_uri
350 empty_uploadable = Data("", self._client.convergence)
351 d2 = self._upload_dirnode.add_file(encoded_path_u, empty_uploadable,
352 metadata=metadata, overwrite=True)
354 def _add_db_entry(filenode):
355 filecap = filenode.get_uri()
356 self._db.did_upload_version(relpath_u, new_version, filecap,
357 last_downloaded_uri, last_downloaded_timestamp, pathinfo)
358 self._count('files_uploaded')
359 d2.addCallback(_add_db_entry)
361 elif pathinfo.islink:
362 self.warn("WARNING: cannot upload symlink %s" % quote_filepath(fp))
365 if not getattr(self._notifier, 'recursive_includes_new_subdirectories', False):
366 self._notifier.watch(fp, mask=self.mask, callbacks=[self._notify], recursive=True)
368 uploadable = Data("", self._client.convergence)
369 encoded_path_u += magicpath.path2magic(u"/")
370 self._log("encoded_path_u = %r" % (encoded_path_u,))
371 upload_d = self._upload_dirnode.add_file(encoded_path_u, uploadable, metadata={"version":0}, overwrite=True)
373 self._log("created subdirectory %r" % (relpath_u,))
374 self._count('directories_created')
376 self._log("failed to create subdirectory %r" % (relpath_u,))
378 upload_d.addCallbacks(_succeeded, _failed)
379 upload_d.addCallback(lambda ign: self._scan(relpath_u))
381 elif pathinfo.isfile:
382 last_downloaded_uri = self._db.get_last_downloaded_uri(relpath_u)
383 last_downloaded_timestamp = now
385 current_version = self._db.get_local_file_version(relpath_u)
386 if current_version is None:
388 elif self._db.is_new_file(pathinfo, relpath_u):
389 new_version = current_version + 1
391 self._log("Not uploading %r" % (relpath_u,))
392 self._count('objects_not_uploaded')
395 metadata = { 'version': new_version,
396 'last_downloaded_timestamp': last_downloaded_timestamp }
397 if last_downloaded_uri is not None:
398 metadata['last_downloaded_uri'] = last_downloaded_uri
400 uploadable = FileName(unicode_from_filepath(fp), self._client.convergence)
401 d2 = self._upload_dirnode.add_file(encoded_path_u, uploadable,
402 metadata=metadata, overwrite=True)
404 def _add_db_entry(filenode):
405 filecap = filenode.get_uri()
406 last_downloaded_uri = metadata.get('last_downloaded_uri', None)
407 self._db.did_upload_version(relpath_u, new_version, filecap,
408 last_downloaded_uri, last_downloaded_timestamp, pathinfo)
409 self._count('files_uploaded')
410 d2.addCallback(_add_db_entry)
413 self.warn("WARNING: cannot process special file %s" % quote_filepath(fp))
416 d.addCallback(_maybe_upload)
419 self._count('objects_succeeded')
422 self._count('objects_failed')
423 self._log("%s while processing %r" % (f, relpath_u))
425 d.addCallbacks(_succeeded, _failed)
428 def _get_metadata(self, encoded_path_u):
430 d = self._upload_dirnode.get_metadata_for(encoded_path_u)
435 def _get_filenode(self, encoded_path_u):
437 d = self._upload_dirnode.get(encoded_path_u)
443 class WriteFileMixin(object):
446 def _get_conflicted_filename(self, abspath_u):
447 return abspath_u + u".conflict"
449 def _write_downloaded_file(self, abspath_u, file_contents, is_conflict=False, now=None):
450 self._log("_write_downloaded_file(%r, <%d bytes>, is_conflict=%r, now=%r)"
451 % (abspath_u, len(file_contents), is_conflict, now))
453 # 1. Write a temporary file, say .foo.tmp.
454 # 2. is_conflict determines whether this is an overwrite or a conflict.
455 # 3. Set the mtime of the replacement file to be T seconds before the
456 # current local time.
457 # 4. Perform a file replacement with backup filename foo.backup,
458 # replaced file foo, and replacement file .foo.tmp. If any step of
459 # this operation fails, reclassify as a conflict and stop.
461 # Returns the path of the destination file.
463 precondition_abspath(abspath_u)
464 replacement_path_u = abspath_u + u".tmp" # FIXME more unique
465 backup_path_u = abspath_u + u".backup"
469 # ensure parent directory exists
470 head, tail = os.path.split(abspath_u)
472 fileutil.make_dirs(head, mode)
474 fileutil.write(replacement_path_u, file_contents)
475 os.utime(replacement_path_u, (now, now - self.FUDGE_SECONDS))
477 print "0x00 ------------ <><> is conflict; calling _rename_conflicted_file... %r %r" % (abspath_u, replacement_path_u)
478 return self._rename_conflicted_file(abspath_u, replacement_path_u)
481 fileutil.replace_file(abspath_u, replacement_path_u, backup_path_u)
483 except fileutil.ConflictError:
484 return self._rename_conflicted_file(abspath_u, replacement_path_u)
486 def _rename_conflicted_file(self, abspath_u, replacement_path_u):
487 self._log("_rename_conflicted_file(%r, %r)" % (abspath_u, replacement_path_u))
489 conflict_path_u = self._get_conflicted_filename(abspath_u)
490 print "XXX rename %r %r" % (replacement_path_u, conflict_path_u)
491 if os.path.isfile(replacement_path_u):
492 print "%r exists" % (replacement_path_u,)
493 if os.path.isfile(conflict_path_u):
494 print "%r exists" % (conflict_path_u,)
496 fileutil.rename_no_overwrite(replacement_path_u, conflict_path_u)
497 return conflict_path_u
499 def _rename_deleted_file(self, abspath_u):
500 self._log('renaming deleted file to backup: %s' % (abspath_u,))
502 fileutil.rename_no_overwrite(abspath_u, abspath_u + u'.backup')
504 # XXX is this the correct error?
505 self._log("Already gone: '%s'" % (abspath_u,))
509 class Downloader(QueueMixin, WriteFileMixin):
510 REMOTE_SCAN_INTERVAL = 3 # facilitates tests
512 def __init__(self, client, local_path_u, db, collective_dirnode, upload_readonly_dircap, clock):
513 QueueMixin.__init__(self, client, local_path_u, db, 'downloader', clock)
515 if not IDirectoryNode.providedBy(collective_dirnode):
516 raise AssertionError("The URI in '%s' does not refer to a directory."
517 % os.path.join('private', 'collective_dircap'))
518 if collective_dirnode.is_unknown() or not collective_dirnode.is_readonly():
519 raise AssertionError("The URI in '%s' is not a readonly cap to a directory."
520 % os.path.join('private', 'collective_dircap'))
522 self._collective_dirnode = collective_dirnode
523 self._upload_readonly_dircap = upload_readonly_dircap
525 self._turn_delay = self.REMOTE_SCAN_INTERVAL
527 def start_scanning(self):
528 self._log("start_scanning")
529 files = self._db.get_all_relpaths()
530 self._log("all files %s" % files)
532 d = self._scan_remote_collective()
533 d.addBoth(self._logcb, "after _scan_remote_collective 0")
539 d = defer.succeed(None)
540 d.addCallback(lambda ign: self._lazy_tail)
543 def _should_download(self, relpath_u, remote_version):
545 _should_download returns a bool indicating whether or not a remote object should be downloaded.
546 We check the remote metadata version against our magic-folder db version number;
549 self._log("_should_download(%r, %r)" % (relpath_u, remote_version))
550 if magicpath.should_ignore_file(relpath_u):
554 v = self._db.get_local_file_version(relpath_u)
555 self._log("v = %r" % (v,))
556 return (v is None or v < remote_version)
558 def _get_local_latest(self, relpath_u):
560 _get_local_latest takes a unicode path string checks to see if this file object
561 exists in our magic-folder db; if not then return None
562 else check for an entry in our magic-folder db and return the version number.
564 if not self._get_filepath(relpath_u).exists():
566 return self._db.get_local_file_version(relpath_u)
568 def _get_collective_latest_file(self, filename):
570 _get_collective_latest_file takes a file path pointing to a file managed by
571 magic-folder and returns a deferred that fires with the two tuple containing a
572 file node and metadata for the latest version of the file located in the
573 magic-folder collective directory.
575 collective_dirmap_d = self._collective_dirnode.list()
576 def scan_collective(result):
577 list_of_deferreds = []
578 for dir_name in result.keys():
579 # XXX make sure it's a directory
580 d = defer.succeed(None)
581 d.addCallback(lambda x, dir_name=dir_name: result[dir_name][0].get_child_and_metadata(filename))
582 list_of_deferreds.append(d)
583 deferList = defer.DeferredList(list_of_deferreds, consumeErrors=True)
585 collective_dirmap_d.addCallback(scan_collective)
586 def highest_version(deferredList):
590 for success, result in deferredList:
592 if result[1]['version'] > max_version:
593 node, metadata = result
594 max_version = result[1]['version']
595 return node, metadata
596 collective_dirmap_d.addCallback(highest_version)
597 return collective_dirmap_d
599 def _scan_remote_dmd(self, nickname, dirnode, scan_batch):
600 self._log("_scan_remote_dmd nickname %r" % (nickname,))
602 def scan_listing(listing_map):
603 for encoded_relpath_u in listing_map.keys():
604 relpath_u = magicpath.magic2path(encoded_relpath_u)
605 self._log("found %r" % (relpath_u,))
607 file_node, metadata = listing_map[encoded_relpath_u]
608 local_version = self._get_local_latest(relpath_u)
609 remote_version = metadata.get('version', None)
610 self._log("%r has local version %r, remote version %r" % (relpath_u, local_version, remote_version))
612 if local_version is None or remote_version is None or local_version < remote_version:
613 self._log("%r added to download queue" % (relpath_u,))
614 if scan_batch.has_key(relpath_u):
615 scan_batch[relpath_u] += [(file_node, metadata)]
617 scan_batch[relpath_u] = [(file_node, metadata)]
619 d.addCallback(scan_listing)
620 d.addBoth(self._logcb, "end of _scan_remote_dmd")
623 def _scan_remote_collective(self):
624 self._log("_scan_remote_collective")
625 scan_batch = {} # path -> [(filenode, metadata)]
627 d = self._collective_dirnode.list()
628 def scan_collective(dirmap):
629 d2 = defer.succeed(None)
630 for dir_name in dirmap:
631 (dirnode, metadata) = dirmap[dir_name]
632 if dirnode.get_readonly_uri() != self._upload_readonly_dircap:
633 d2.addCallback(lambda ign, dir_name=dir_name, dirnode=dirnode:
634 self._scan_remote_dmd(dir_name, dirnode, scan_batch))
635 def _err(f, dir_name=dir_name):
636 self._log("failed to scan DMD for client %r: %s" % (dir_name, f))
637 # XXX what should we do to make this failure more visible to users?
641 d.addCallback(scan_collective)
643 def _filter_batch_to_deque(ign):
644 self._log("deque = %r, scan_batch = %r" % (self._deque, scan_batch))
645 for relpath_u in scan_batch.keys():
646 file_node, metadata = max(scan_batch[relpath_u], key=lambda x: x[1]['version'])
648 if self._should_download(relpath_u, metadata['version']):
649 self._deque.append( (relpath_u, file_node, metadata) )
651 self._log("Excluding %r" % (relpath_u,))
652 self._count('objects_excluded')
653 self._call_hook(None, 'processed')
655 self._log("deque after = %r" % (self._deque,))
656 d.addCallback(_filter_batch_to_deque)
659 def _when_queue_is_empty(self):
660 d = task.deferLater(self._clock, self._turn_delay, self._scan_remote_collective)
661 d.addBoth(self._logcb, "after _scan_remote_collective 1")
662 d.addCallback(lambda ign: self._turn_deque())
665 def _process(self, item, now=None):
667 self._log("_process(%r)" % (item,))
670 (relpath_u, file_node, metadata) = item
671 fp = self._get_filepath(relpath_u)
672 abspath_u = unicode_from_filepath(fp)
673 conflict_path_u = self._get_conflicted_filename(abspath_u)
675 d = defer.succeed(None)
677 def do_update_db(written_abspath_u):
678 filecap = file_node.get_uri()
679 last_uploaded_uri = metadata.get('last_uploaded_uri', None)
680 last_downloaded_uri = filecap
681 last_downloaded_timestamp = now
682 written_pathinfo = get_pathinfo(written_abspath_u)
684 if not written_pathinfo.exists and not metadata.get('deleted', False):
685 raise Exception("downloaded object %s disappeared" % quote_local_unicode_path(written_abspath_u))
687 self._db.did_upload_version(relpath_u, metadata['version'], last_uploaded_uri,
688 last_downloaded_uri, last_downloaded_timestamp, written_pathinfo)
689 self._count('objects_downloaded')
691 self._log("download failed: %s" % (str(f),))
692 self._count('objects_failed')
695 if os.path.isfile(conflict_path_u):
697 raise ConflictError("download failed: already conflicted: %r" % (relpath_u,))
701 if self._db.check_file_db_exists(relpath_u):
702 dmd_last_downloaded_uri = metadata.get('last_downloaded_uri', None)
703 local_last_downloaded_uri = self._db.get_last_downloaded_uri(relpath_u)
704 print "metadata %r" % (metadata,)
705 print "<<<<--- if %r != %r" % (dmd_last_downloaded_uri, local_last_downloaded_uri)
706 if dmd_last_downloaded_uri is not None and local_last_downloaded_uri is not None:
707 if dmd_last_downloaded_uri != local_last_downloaded_uri:
709 self._count('objects_conflicted')
711 dmd_last_uploaded_uri = metadata.get('last_uploaded_uri', None)
712 local_last_uploaded_uri = self._db.get_last_uploaded_uri(relpath_u)
713 print ">>>> if %r != %r" % (dmd_last_uploaded_uri, local_last_uploaded_uri)
714 if dmd_last_uploaded_uri != local_last_uploaded_uri:
716 self._count('objects_conflicted')
717 if relpath_u.endswith(u"/"):
718 if metadata.get('deleted', False):
719 self._log("rmdir(%r) ignored" % (abspath_u,))
721 self._log("mkdir(%r)" % (abspath_u,))
722 d.addCallback(lambda ign: fileutil.make_dirs(abspath_u))
723 d.addCallback(lambda ign: abspath_u)
725 if metadata.get('deleted', False):
726 d.addCallback(lambda ign: self._rename_deleted_file(abspath_u))
728 d.addCallback(lambda ign: file_node.download_best_version())
729 d.addCallback(lambda contents: self._write_downloaded_file(abspath_u, contents,
730 is_conflict=is_conflict))
732 d.addCallbacks(do_update_db, failed)
734 def trap_conflicts(f):
735 f.trap(ConflictError)
737 d.addErrback(trap_conflicts)