def from_yaml(yaml_input):
"""Parse provided yaml and instantiate an Xunit object from that"""
report_description = yaml.load(yaml_input)
report = Xunit()
for test_suite, data in report_description.items():
suite = XunitSuite(test_suite)
report.append(suite)
if data is None:
continue
for test, test_data in data.items():
test_result = XunitTest(test, test_suite)
if test_data and 'status' in test_data:
test_result.status = test_data['status']
suite.append(test_result)
return report
