Ejemplo n.º 1
0
 def size(self):
     size = 0
     try:
         size = os.path.getsize(self.filepath)
     except Exception as e:
         LOG.error("Get {0}'s size error".format(self.path))
         LOG.exception(e)
     return size
Ejemplo n.º 2
0
 def md5sum(self):
     ret = setting.UNKNOWN_SYMBOL
     try:
         with open(self.filepath, 'rb') as fp:
             chunk_size = 1024 * hashlib.md5().block_size
             chksum = hashlib.md5()
             while True:
                 chunk = fp.read(chunk_size)
                 if chunk:
                     chksum.update(chunk)
                 else:
                     break
         ret = chksum.hexdigest()
     except Exception as e:
         LOG.error("Get {0}'s md5sum error".format(self.path))
         LOG.exception(e)
     return ret
Ejemplo n.º 3
0
 def character(self):
     chunks = list()
     size = self.size
     ret = setting.UNKNOWN_SYMBOL
     try:
         with open(self.filepath, 'rb') as f:
             for i in range(NUM_CHUNKS):
                 f.seek(int(size / NUM_CHUNKS) * i)
                 chunk = f.read(NUM_BLOCKS * hashlib.md5().block_size)
                 chunks.append(chunk)
         character_chunk = bytes()
         for chunk in chunks:
             character_chunk = character_chunk + chunk
         ret = hashlib.md5(character_chunk).hexdigest()
     except Exception as e:
         LOG.error("Get {0}'s character error".format(self.path))
         LOG.exception(e)
     return ret