948                 buf += chunk[:left]

   948                 buf += chunk[:left]

   949             else:

   949             else:

   950                 buf += chunk

   950                 buf += chunk

   951 

   951 

   952         return buf

   952         return buf

   954 def filechunkiter(f, size=65536, limit=None):

   954 def filechunkiter(f, size=65536, limit=None):

   955     """Create a generator that produces the data in the file size

   955     """Create a generator that produces the data in the file size

   956     (default 65536) bytes at a time, up to optional limit (default is

   956     (default 65536) bytes at a time, up to optional limit (default is

   957     to read all data).  Chunks may be less than size bytes if the

   957     to read all data).  Chunks may be less than size bytes if the

   958     chunk is the last chunk in the file, or the file is a socket or

   958     chunk is the last chunk in the file, or the file is a socket or