From: Daira Hopwood <daira@jacaranda.org>
Date: Mon, 31 Aug 2015 16:54:08 +0000 (+0100)
Subject: Fix path handling in Downloader._process.
X-Git-Url: https://git.rkrishnan.org/specifications/%5B/%5D%20/uri/running.html?a=commitdiff_plain;h=8462a03ed008a535201adc052e62c89ce7333ae5;p=tahoe-lafs%2Ftahoe-lafs.git

Fix path handling in Downloader._process.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
---

diff --git a/src/allmydata/frontends/magic_folder.py b/src/allmydata/frontends/magic_folder.py
index 0476373d..16c5aa40 100644
--- a/src/allmydata/frontends/magic_folder.py
+++ b/src/allmydata/frontends/magic_folder.py
@@ -519,17 +519,21 @@ class Downloader(QueueMixin):
         (name, file_node, metadata) = item
         d = file_node.download_best_version()
         def succeeded(res):
-            def do_update_db(result):
+            d2 = defer.succeed(res)
+            absname = abspath_expanduser_unicode(name, base=self._local_path_u)
+            d2.addCallback(lambda result: self._write_downloaded_file(absname, result, is_conflict=False))
+            def do_update_db(full_path):
                 filecap = file_node.get_uri()
-                s = os.stat(name)
+                try:
+                    s = os.stat(full_path)
+                except:
+                    raise(Exception("wtf downloaded file %s disappeared" % full_path))
                 size = s[stat.ST_SIZE]
                 ctime = s[stat.ST_CTIME]
                 mtime = s[stat.ST_MTIME]
                 self._db.did_upload_file(filecap, name, metadata['version'], mtime, ctime, size)
-            d2 = defer.succeed(res)
-            absname = abspath_expanduser_unicode(name)
-            d2.addCallback(lambda result: self._write_downloaded_file(absname, result))
             d2.addCallback(do_update_db)
+            # XXX handle failure here with addErrback...
             self._count('objects_downloaded')
             return d2
         def failed(f):