docstr: Read WETRecord from file. Records end with 2 blank lines.
docstr_tok: ["Read","WETRecord","from","file",".","Records","end","with","2","blank","lines","."]
code: def read(cls, f):
      """Read WETRecord from file. Records end with 2 blank lines."""
      header = WETHeader.read(f)
      if header is None:
          # EOF
          return None
      content = f.read(header.length)
  
      # Consume empty separators
      f.readline()
      f.readline()
  
      return cls(header.url, content)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import contextlib
  import datetime
  import gzip
  import os
  import re
  import urllib
  import tensorflow.compat.v1
label_desc: Use image node_id 1 for calling the WETRecord obj's underlying member method code with example usage: obj.read(cls, f) and returns: cls, None