parameters: (strings, filename)
docstring: Builds a binary image of strings.
  
    For file format, see base/serialized_string_array.h.
  
    Args:
      strings: A list of strings to be serialized.
      filename: Output binary file.
docstring_summary: Builds a binary image of strings.
docstring_tokens: Builds a binary image of strings .
function: def SerializeToFile(strings, filename):
    """Builds a binary image of strings.
  
    For file format, see base/serialized_string_array.h.
  
    Args:
      strings: A list of strings to be serialized.
      filename: Output binary file.
    """
    array_size = len(strings)
    str_data = io.BytesIO()
  
    # Precompute offsets and lengths.
    offsets = []
    lengths = []
    offset = 4 + 8 * array_size  # The start offset of strings chunk
    for data in strings:
      if isinstance(data, str):
        data = data.encode('utf-8')
      offsets.append(offset)
      lengths.append(len(data))
      offset += len(data) + 1  # Include one byte for the trailing '\0'
      str_data.write(data + b'\0')
  
    with open(filename, 'wb') as f:
      # 4-byte array_size.
      f.write(struct.pack('<I', array_size))
  
      # Offset and length array of (4 + 4) * array_size bytes.
      for i in range(array_size):
        f.write(struct.pack('<I', offsets[i]))
        f.write(struct.pack('<I', lengths[i]))
  
      # Strings chunk.
      f.write(str_data.getvalue())
function_tokens: def SerializeToFile ( strings , filename ) : array_size = len ( strings ) str_data = io . BytesIO ( ) # Precompute offsets and lengths. offsets = [ ] lengths = [ ] offset = 4 + 8 * array_size # The start offset of strings chunk for data in strings : if isinstance ( data , str ) : data = data . encode ( 'utf-8' ) offsets . append ( offset ) lengths . append ( len ( data ) ) offset += len ( data ) + 1 # Include one byte for the trailing '\0' str_data . write ( data + b'\0' ) with open ( filename , 'wb' ) as f : # 4-byte array_size. f . write ( struct . pack ( '<I' , array_size ) ) # Offset and length array of (4 + 4) * array_size bytes. for i in range ( array_size ) : f . write ( struct . pack ( '<I' , offsets [ i ] ) ) f . write ( struct . pack ( '<I' , lengths [ i ] ) ) # Strings chunk. f . write ( str_data . getvalue ( ) )