docs: def put(self, file_obj, full_path, overwrite = False):
          """Upload a file.
  
              >>> nd.put('./flower.png','/Picture/flower.png')
              >>> nd.put(open('./flower.png','r'),'/Picture/flower.png')
  
          :param file_obj: A file-like object to check whether possible to upload. You can pass a string as a file_obj or a real file object.
          :param full_path: The full path to upload the file to, *including the file name*. If the destination directory does not yet exist, it will be created.
  
          :return: ``True`` when succcess to upload a file or ``False``
          """
          try:
              file_obj = open(file_obj, 'r')
          except:
              file_obj = file_obj # do nothing
  
          content = file_obj.read()
          file_name = os.path.basename(full_path)
  
          now = datetime.datetime.now().isoformat()
          url = nurls['put'] + full_path
  
          if overwrite:
              overwrite = 'T'
          else:
              overwrite = 'F'
  
          headers = {'userid': self.user_id,
                     'useridx': self.useridx,
                     'MODIFYDATE': now,
                     'Content-Type': magic.from_file(file_obj.name, mime=True),
                     'charset': 'UTF-8',
                     'Origin': 'http://ndrive2.naver.com',
                     'OVERWRITE': overwrite,
                     'X-Requested-With': 'XMLHttpRequest',
                     'NDriveSvcType': 'NHN/DRAGDROP Ver',
          }
          r = self.session.put(url = url, data = content, headers = headers)
          r.encoding = 'utf-8'
  
          message = json.loads(r.text)['message']
  
          if message != 'success':
              print "Error put: " + message
              return False
          else:
              print "Success put: " + file_obj.name
              return True