Added an exception printer on the file setup since it seems to crash there

a lot when there are file serialization problems

1 files changed, 10 insertions, 12 deletions

diff --git a/fusearchive.py b/fusearchive.py
index 41d0ad9..574c630 100755
--- a/fusearchive.py
+++ b/fusearchive.py
@@ -50,7 +50,7 @@ def flag2mode(flags):
     md = {os.O_RDONLY: 'r', os.O_WRONLY: 'w', os.O_RDWR: 'w+'}
     m = md[flags & (os.O_RDONLY | os.O_WRONLY | os.O_RDWR)]
 
-    if flags | os.O_APPEND:
+    if flags & os.O_APPEND:
         m = m.replace('w', 'a', 1)
 
     return m
@@ -304,7 +304,6 @@ class FuseArchiveSerializer:
         fh.seek( 0 )
         f = gzip.GzipFile( None, "rb", gzip_compress_level, fh )
         #f = fh
-        #pdb.set_trace()
         magic = cPickle.load( f )
         return( magic )
 
@@ -382,9 +381,8 @@ class FuseArchive(Fuse):
 
     def truncate(self, path, len):
         # Truncate using the ftruncate on the file
-        pdb.set_trace()
         logging.debug( "Using FuseArchiveFile to truncate " + path + " to " + str(len) )
-        f = self.FuseArchiveFile( path, os.O_WRONLY | os.O_APPEND, 0 )
+        f = self.FuseArchiveFile( path, os.O_RDWR, 0 )
         f.ftruncate(len)
         f.release( 0 )
 
@@ -509,11 +507,14 @@ class FuseArchive(Fuse):
                 # Read in file info table
                 logging.debug( "Unpickling: " + str( self.file ) )
                 # TODO: return an IO error if inflating fails
-                magic = FuseArchiveSerializer.loadfh( self.file )
-                logging.debug( "Got data: " + str( magic ) )
-                self.size = magic[ 'size' ]
-                self.chunks = magic[ 'chunks' ]
-                self.chunk_size = magic[ 'chunk_size' ]
+                try:
+                    magic = FuseArchiveSerializer.loadfh( self.file )
+                    logging.debug( "Got data: " + str( magic ) )
+                    self.size = magic[ 'size' ]
+                    self.chunks = magic[ 'chunks' ]
+                    self.chunk_size = magic[ 'chunk_size' ]
+                except Exception, e:
+                    logger.critical( e )
             else:
                 if self.wr:
                     logging.debug( "File doesn't exist and we're going to write, creating temp empty file" )
@@ -523,7 +524,6 @@ class FuseArchive(Fuse):
             self.direct_io = False
             self.keep_cache = False
 
-            #pdb.set_trace()
             logging.debug( str(self) + " init complete" )
 
         def _load_chunk( self, index ):
@@ -687,7 +687,6 @@ class FuseArchive(Fuse):
                 # can with splice() we will reconstruct the data by joining
                 # stuff by offsets (first chars to skip, then our joining
                 # buf chunk, the everything that would have been after it)
-                #pdb.set_trace()
                 self.chunk = self.chunk[ :rest ] + \
                     buf[ buf_offset:(buf_offset+this_len) ] + \
                     self.chunk[ (rest + this_len): ]
@@ -801,7 +800,6 @@ class FuseArchive(Fuse):
 
             self._load_chunk( 0 )
 
-            #pdb.set_trace()
             if need_chunks == 0:
                 logging.debug( "Creating 0 chunk file" )
                 self.chunks = []