From: David Stainton Date: Tue, 28 Jul 2015 18:09:35 +0000 (-0700) Subject: Add logic to only add object to download queue when appropriate X-Git-Url: https://git.rkrishnan.org/?a=commitdiff_plain;h=642b3ff15f4d8a875ff8fcf8b745d57b2d7c4f3d;p=tahoe-lafs%2Ftahoe-lafs.git Add logic to only add object to download queue when appropriate --- diff --git a/src/allmydata/frontends/magic_folder.py b/src/allmydata/frontends/magic_folder.py index 5ee96a2c..34aef4c8 100644 --- a/src/allmydata/frontends/magic_folder.py +++ b/src/allmydata/frontends/magic_folder.py @@ -343,9 +343,9 @@ class Uploader(QueueMixin): version = 0 else: version += 1 - print "NEW VERSION %d for %r" % (version, relpath_u) d2 = _add_file(encoded_name_u, version) def add_db_entry(filenode): + print "add_db_entry: version %d for %r" % (version, relpath_u) filecap = filenode.get_uri() s = os.stat(path_u) size = s[stat.ST_SIZE] @@ -415,6 +415,15 @@ class Downloader(QueueMixin): v = self._db.get_local_file_version(relpath_u) return (v is None or v < remote_version) + def _get_local_latest(self, path_u): + """_get_local_latest takes a unicode path string checks to see if this file object + exists in our magic-folder db; if not then return None + else check for an entry in our magic-folder db and return the version number. + """ + if not os.path.exists(path_u): + return None + return self._db.get_local_file_version(child_path_u) + def _get_collective_latest_file(self, filename): """_get_collective_latest_file takes a file path pointing to a file managed by magic-folder and returns a deferred that fires with the two tuple containing a @@ -459,13 +468,21 @@ class Downloader(QueueMixin): for name in listing_map.keys(): print "name ", name file_node, metadata = listing_map[name] - print "ALL KEYS %s" % (self._download_scan_batch.keys(),) - if self._download_scan_batch.has_key(name): - print "HAS KEY - %s %s" % (file_node, metadata) - self._download_scan_batch[name] += [(file_node, metadata)] + local_version = self._get_local_latest(name) # XXX we might need to convert first? + + if local_version is None: + return None + if local_version >= metadata['version']: + return None else: - print "NOT HAS KEY" - self._download_scan_batch[name] = [(file_node, metadata)] + print "local_version %r" % (local_version,) + print "ALL KEYS %s" % (self._download_scan_batch.keys(),) + if self._download_scan_batch.has_key(name): + print "HAS KEY - %s %s" % (file_node, metadata) + self._download_scan_batch[name] += [(file_node, metadata)] + else: + print "NOT HAS KEY" + self._download_scan_batch[name] = [(file_node, metadata)] print "download scan batch before filtering", repr(self._download_scan_batch) listing_d.addCallback(scan_listing)