code: def _parse_archive(self, targz, dest):
          '''parse_targz will add a line to the install script to extract a 
             targz to a location, and also add it to the files.
  
             Parameters
             ==========
             targz: the targz to extract
             dest: the location to extract it to
  
          '''
  
          # Add command to extract it
          self.install.append("tar -zvf %s %s" %(targz, dest))
  
          # Ensure added to container files
          return self._add_files(targz, destf _parse_archive(self, targz, dest):
          '''parse_targz will add a line to the install script to extract a 
             targz to a location, and also add it to the files.
  
             Parameters
             ==========
             targz: the targz to extract
             dest: the location to extract it to
  
          '''
  
          # Add command to extract it
          self.install.append("tar -zvf %s %s" %(targz, dest))
  
          # Ensure added to container files
          return self._add_files(targz, dest)
docs: parse_targz will add a line to the install script to extract a 
             targz to a location, and also add it to the files.
  
             Parameters
             ==========
             targz: the targz to extract
             dest: the location to extract it to