def _construct_message(self):
self.message["<STR_LIT>"] = self.chat_id<EOL>self.message["<STR_LIT:text>"] = "<STR_LIT>"<EOL>if self.from_:<EOL><INDENT>self.message["<STR_LIT:text>"] += "<STR_LIT>" + self.from_ + "<STR_LIT:\n>"<EOL><DEDENT>if self.subject:<EOL><INDENT>self.message["<STR_LIT:text>"] += "<STR_LIT>" + self.subject + "<STR_LIT:\n>"<EOL><DEDENT>self.message["<STR_LIT:text>"] += self.body<EOL>self.message.update(self.params)<EOL>
Build the message params.