From: Daira Hopwood Date: Tue, 27 Oct 2015 17:14:25 +0000 (+0000) Subject: Rename deleted files to .backup rather than unlinking them. X-Git-Url: https://git.rkrishnan.org/pf/statistics?a=commitdiff_plain;h=f2db5068b947ac598f27e67f8a0acdc81a853d51;p=tahoe-lafs%2Ftahoe-lafs.git Rename deleted files to .backup rather than unlinking them. Signed-off-by: Daira Hopwood --- diff --git a/src/allmydata/frontends/magic_folder.py b/src/allmydata/frontends/magic_folder.py index 82780a02..e6661c9e 100644 --- a/src/allmydata/frontends/magic_folder.py +++ b/src/allmydata/frontends/magic_folder.py @@ -1,7 +1,6 @@ import sys, os import os.path -import shutil from collections import deque import time @@ -481,6 +480,15 @@ class WriteFileMixin(object): fileutil.rename_no_overwrite(replacement_path_u, conflict_path_u) return conflict_path_u + def _rename_deleted_file(self, abspath_u): + self._log('renaming deleted file to backup: %s' % (abspath_u,)) + try: + fileutil.rename_no_overwrite(abspath_u, abspath_u + u'.backup') + except IOError: + # XXX is this the correct error? + self._log("Already gone: '%s'" % (abspath_u,)) + return abspath_u + class Downloader(QueueMixin, WriteFileMixin): REMOTE_SCAN_INTERVAL = 3 # facilitates tests @@ -703,7 +711,7 @@ class Downloader(QueueMixin, WriteFileMixin): else: d.addCallback(lambda ign: file_node.download_best_version()) if metadata.get('deleted', False): - d.addCallback(lambda result: self._unlink_deleted_file(abspath_u, result)) + d.addCallback(lambda ign: self._rename_deleted_file(abspath_u)) else: d.addCallback(lambda contents: self._write_downloaded_file(abspath_u, contents, is_conflict=is_conflict)) @@ -719,11 +727,3 @@ class Downloader(QueueMixin, WriteFileMixin): return None d.addErrback(trap_conflicts) return d - - def _unlink_deleted_file(self, abspath_u, result): - try: - self._log('unlinking: %s' % (abspath_u,)) - shutil.move(abspath_u, abspath_u + '.backup') - except IOError: - self._log("Already gone: '%s'" % (abspath_u,)) - return abspath_u