def test_emitter_on_data(data_filename, canonical_filename, verbose=False):
events = list(yaml.parse(open(data_filename, 'rb')))
output = yaml.emit(events)
if verbose:
print "OUTPUT:"
print output
new_events = list(yaml.parse(output))
_compare_events(events, new_events)
def test_emitter_on_canonical(canonical_filename, verbose=False):
events = list(yaml.parse(open(canonical_filename, 'rb')))
for canonical in [False, True]:
output = yaml.emit(events, canonical=canonical)
if verbose:
print "OUTPUT (canonical=%s):" % canonical
print output
new_events = list(yaml.parse(output))
_compare_events(events, new_events)
def test_emitter_events(events_filename, verbose=False):
events = list(yaml.load(open(events_filename, 'rb'), Loader=EventsLoader))
output = yaml.emit(events)
if verbose:
print "OUTPUT:"
print output
new_events = list(yaml.parse(output))
_compare_events(events, new_events)
def test_unicode_transfer(unicode_filename, verbose=False):
data = open(unicode_filename, 'rb').read().decode('utf-8')
for encoding in [None, 'utf-8', 'utf-16-be', 'utf-16-le']:
input = data
if encoding is not None:
input = (u'\ufeff'+input).encode(encoding)
output1 = yaml.emit(yaml.parse(input), allow_unicode=True)
stream = StringIO.StringIO()
yaml.emit(yaml.parse(input), _unicode_open(stream, 'utf-8'),
allow_unicode=True)
output2 = stream.getvalue()
if encoding is None:
assert isinstance(output1, unicode), (type(output1), encoding)
else:
assert isinstance(output1, str), (type(output1), encoding)
output1.decode(encoding)
assert isinstance(output2, str), (type(output2), encoding)
output2.decode('utf-8')
def test_parser_on_canonical(canonical_filename, verbose=False):
events1 = None
events2 = None
try:
events1 = list(yaml.parse(open(canonical_filename, 'rb')))
events2 = list(yaml.canonical_parse(open(canonical_filename, 'rb')))
_compare_events(events1, events2, full=True)
finally:
if verbose:
print "EVENTS1:"
pprint.pprint(events1)
print "EVENTS2:"
pprint.pprint(events2)
def test_emitter_styles(data_filename, canonical_filename, verbose=False):
for filename in [data_filename, canonical_filename]:
events = list(yaml.parse(open(filename, 'rb')))
for flow_style in [False, True]:
for style in ['|', '>', '"', '\'', '']:
styled_events = []
for event in events:
if isinstance(event, yaml.ScalarEvent):
event = yaml.ScalarEvent(event.anchor, event.tag,
event.implicit, event.value, style=style)
elif isinstance(event, yaml.SequenceStartEvent):
event = yaml.SequenceStartEvent(event.anchor, event.tag,
event.implicit, flow_style=flow_style)
elif isinstance(event, yaml.MappingStartEvent):
event = yaml.MappingStartEvent(event.anchor, event.tag,
event.implicit, flow_style=flow_style)
styled_events.append(event)
output = yaml.emit(styled_events)
if verbose:
print "OUTPUT (filename=%r, flow_style=%r, style=%r)" % (filename, flow_style, style)
print output
new_events = list(yaml.parse(output))
_compare_events(events, new_events)
def canonical_parse(stream):
return yaml.parse(stream, Loader=CanonicalLoader)