diff options
Diffstat (limited to 'cliff/formatters')
-rw-r--r-- | cliff/formatters/shell.py | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/cliff/formatters/shell.py b/cliff/formatters/shell.py new file mode 100644 index 0000000..a490550 --- /dev/null +++ b/cliff/formatters/shell.py @@ -0,0 +1,31 @@ +"""Output formatters using shell syntax. +""" + +from .base import SingleFormatter + + +class ShellFormatter(SingleFormatter): + + def add_argument_group(self, parser): + group = parser.add_argument_group( + title='shell formatter', + description='Print values in a format a UNIX shell can parse (variable="value")', + ) + group.add_argument( + '--variable', + action='append', + default=[], + dest='variables', + metavar='VARIABLE', + help='specify the variable(s) to include, can be repeated', + ) + + def emit_one(self, column_names, data, stdout, parsed_args): + variable_names = [c.lower().replace(' ', '_') + for c in column_names + ] + desired_columns = parsed_args.variables + for name, value in zip(variable_names, data): + if name in desired_columns or not desired_columns: + stdout.write('%s="%s"\n' % (name, value)) + return |