@cmd('<STR_LIT>', options='<STR_LIT>')<EOL>def source_file(pymux, variables):
filename = os.path.expanduser(variables['<STR_LIT>'])<EOL>try:<EOL><INDENT>with open(filename, '<STR_LIT:rb>') as f:<EOL><INDENT>for line in f:<EOL><INDENT>line = line.decode('<STR_LIT:utf-8>')<EOL>handle_command(pymux, line)<EOL><DEDENT><DEDENT><DEDENT>except IOError as e:<EOL><INDENT>raise CommandException('<STR_LIT>' % (e, ))<EOL><DEDENT>
Source configuration file.