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Adding --must-exist command line option #171

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Adding --must-exist command line option #171

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14 changes: 9 additions & 5 deletions yamale/command_line.py
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Original file line number Diff line number Diff line change
Expand Up @@ -97,8 +97,10 @@ def _validate_dir(root, schema_name, cpus, parser, strict):
raise ValueError('\n----\n'.join(set(error_messages)))


def _router(root, schema_name, cpus, parser, strict=True):
def _router(root, schema_name, cpus, parser, strict=True, must_exist=False):
root = os.path.abspath(root)
if must_exist and not os.path.exists(root):
raise ValueError("Path {} doesn't exist".format(root))
if os.path.isfile(root):
_validate_single(root, schema_name, parser, strict)
else:
Expand All @@ -108,18 +110,20 @@ def _router(root, schema_name, cpus, parser, strict=True):
def main():
parser = argparse.ArgumentParser(description='Validate yaml files.')
parser.add_argument('path', metavar='PATH', default='./', nargs='?',
help='folder to validate. Default is current directory.')
help='Folder to validate. Default is current directory.')
parser.add_argument('-s', '--schema', default='schema.yaml',
help='filename of schema. Default is schema.yaml.')
help='Filename of schema. Default is schema.yaml.')
parser.add_argument('-n', '--cpu-num', default=4, type=int,
help='number of CPUs to use. Default is 4.')
help='Number of CPUs to use. Default is 4.')
parser.add_argument('-p', '--parser', default='pyyaml',
help='YAML library to load files. Choices are "ruamel" or "pyyaml" (default).')
parser.add_argument('--no-strict', action='store_true',
help='Disable strict mode, unexpected elements in the data will be accepted.')
parser.add_argument('--must-exist', action='store_true',
help='Fail if the path does not exist.')
args = parser.parse_args()
try:
_router(args.path, args.schema, args.cpu_num, args.parser, not args.no_strict)
_router(args.path, args.schema, args.cpu_num, args.parser, not args.no_strict, args.must_exist)
except (SyntaxError, NameError, TypeError, ValueError) as e:
print('Validation failed!\n%s' % str(e))
exit(1)
Expand Down