code: def find(self, path, all=False):
          
          matches = []
          for app in self.apps:
              app_location = self.storages[app].location
              if app_location not in searched_locations:
                  searched_locations.append(app_location)
              match = self.find_in_app(app, path)
              if match:
                  if not all:
                      return match
                  matches.append(match)
          return matches
docs: Looks for files in the app directories.