def save(self, file_path=None):
file_path = file_path or self.file_path<EOL>if not file_path:<EOL><INDENT>raise ValueError("<STR_LIT>")<EOL><DEDENT>try:<EOL><INDENT>open(file_path, '<STR_LIT:r>').close()<EOL><DEDENT>except IOError:<EOL><INDENT>try:<EOL><INDENT>os.makedirs(os.path.split(file_path)[<NUM_LIT:0>])<EOL><DEDENT>except OSError:<EOL><INDENT>pass<EOL><DEDENT><DEDENT>with codecs.open(file_path, '<STR_LIT:w>', '<STR_LIT:utf-8>') as timesheet_file:<EOL><INDENT>timesheet_file.writelines([line + '<STR_LIT:\n>' for line in self.entries.to_lines()])<EOL><DEDENT>
Save the contents of the timesheet to the given `file_path`. If `file_path` is not set, the timesheet will be
saved to the same file as it was loaded from.