parameters: (self)
docstring: Called twice during file write. The first populates the values in
          the map with 0s.  The second call writes the final map locations when
          all blocks have been written.
docstring_summary: Called twice during file write. The first populates the values in
          the map with 0s.  The second call writes the final map locations when
          all blocks have been written.
docstring_tokens: Called twice during file write . The first populates the values in the map with 0s . The second call writes the final map locations when all blocks have been written .
function: def _write_map(self):
          """Called twice during file write. The first populates the values in
          the map with 0s.  The second call writes the final map locations when
          all blocks have been written."""
          if self._map is None:
              self._map = dict(
                  (
                      ("stata_data", 0),
                      ("map", self._file.tell()),
                      ("variable_types", 0),
                      ("varnames", 0),
                      ("sortlist", 0),
                      ("formats", 0),
                      ("value_label_names", 0),
                      ("variable_labels", 0),
                      ("characteristics", 0),
                      ("data", 0),
                      ("strls", 0),
                      ("value_labels", 0),
                      ("stata_data_close", 0),
                      ("end-of-file", 0),
                  )
              )
          # Move to start of map
          self._file.seek(self._map["map"])
          bio = BytesIO()
          for val in self._map.values():
              bio.write(struct.pack(self._byteorder + "Q", val))
          bio.seek(0)
          self._file.write(self._tag(bio.read(), "map"))
function_tokens: def _write_map ( self ) : if self . _map is None : self . _map = dict ( ( ( "stata_data" , 0 ) , ( "map" , self . _file . tell ( ) ) , ( "variable_types" , 0 ) , ( "varnames" , 0 ) , ( "sortlist" , 0 ) , ( "formats" , 0 ) , ( "value_label_names" , 0 ) , ( "variable_labels" , 0 ) , ( "characteristics" , 0 ) , ( "data" , 0 ) , ( "strls" , 0 ) , ( "value_labels" , 0 ) , ( "stata_data_close" , 0 ) , ( "end-of-file" , 0 ) , ) ) # Move to start of map self . _file . seek ( self . _map [ "map" ] ) bio = BytesIO ( ) for val in self . _map . values ( ) : bio . write ( struct . pack ( self . _byteorder + "Q" , val ) ) bio . seek ( 0 ) self . _file . write ( self . _tag ( bio . read ( ) , "map" ) )