code: def find(self, name, current_location):
          
          assert isinstance(name, basestring)
          assert isinstance(current_location, basestring)
  
          project_module = None
  
          # Try interpreting name as project id.
          if name[0] == '/':
              project_module = self.id2module.get(name)
  
          if not project_module:
              location = os.path.join(current_location, name)
              # If no project is registered for the given location, try to
              # load it. First see if we have Jamfile. If not we might have project
              # root, willing to act as Jamfile. In that case, project-root
              # must be placed in the directory referred by id.
  
              project_module = self.module_name(location)
              if not project_module in self.jamfile_modules:
                  if b2.util.path.glob([location], self.JAMROOT + self.JAMFILE):
                      project_module = self.load(location)
                  else:
                      project_module = None
  
          return project_module
docs: Given 'name' which can be project-id or plain directory name,
          return project module corresponding to that id or directory.
          Returns nothing of project is not found.