code: def scan_modules(self):
          
          complete = True
          for aProcess in compat.itervalues(self.__processDict):
              try:
                  aProcess.scan_modules()
              except WindowsError:
                  complete = False
          return complete
docs: Populates the snapshot with loaded modules.
  
          Tipically you don't need to call this method directly, if unsure use
          L{scan} instead.
  
          @note: This method uses the Toolhelp API.
  
          @see: L{scan_processes_and_threads}
  
          @rtype: bool
          @return: C{True} if the snapshot is complete, C{False} if the debugger
              doesn't have permission to scan some processes. In either case, the
              snapshot is complete for all processes the debugger has access to.