code: def read(self, s):
      self.name, s = read_data("string", s)
      self.v, s = read_data("string", s)
      self.node_count, s = read_data("uint64_t", s)
      self.edge_count, s = read_data("uint64_t", s)
      self.partition_num, s = read_data("uint32_t", s)
      node_meta_count, s = read_data("uint32_t", s)
      for i in range(node_meta_count):
          name, s = read_data("string", s)
          t, s = read_data("featureType", s)
          idx, s = read_data("int32_t", s)
          feature_dim, s = read_data("int64_t", s)
          self.node_meta[name] = (name, t, idx)
          self.node_feature_dim[name] = feature_dim
  
      edge_meta_count, s = read_data("uint32_t", s)
      for i in range(edge_meta_count):
          name, s = read_data("string", s)
          t, s = read_data("featureType", s)
          idx, s = read_data("int32_t", s)
          feature_dim, s = read_data("int64_t", s)
          self.edge_meta[name] = (name, t, idx)
          self.edge_feature_dim[name] = feature_dim
  
      self.node_type_count, s = read_data("uint32_t", s)
      for i in range(self.node_type_count):
          tname, s = read_data("string", s)
          index, s = read_data("uint32_t", s)
          self.node_type_info[tname] = index
  
      self.edge_type_count, s = read_data("uint32_t", s)
      for i in range(self.edge_type_count):
          tname, s = read_data("string", s)
          index, s = read_data("uint32_t", s)
          self.edge_type_info[tname] = index
  
      self.gen_feature_maxnum()
  
file_path: euler/euler/tools/graph_meta.py
imports: import json
  from euler.tools.util import *
label_desc: Use image node_id 5 for calling the GraphMeta obj's underlying member method code with example usage: obj.read(s) without return types