def test_emitter_styles(data_filename, canonical_filename, verbose=False):
for filename in [data_filename, canonical_filename]:
with open(filename, 'rb') as fp0:
events = list(yaml.parse(fp0))
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 test_emitter_on_data(data_filename, canonical_filename, verbose=False):
with open(data_filename, 'rb') as fp0:
events = list(yaml.parse(fp0))
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):
with open(canonical_filename, 'rb') as fp0:
events = list(yaml.parse(fp0))
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):
with open(events_filename, 'rb') as fp0:
events = list(yaml.load(fp0, 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):
with open(unicode_filename, 'rb') as fp:
data = fp.read().decode('utf-8')
for encoding in [None, 'utf-8', 'utf-16-be', 'utf-16-le']:
input = data
if PY3:
if encoding is not None:
input = ('\ufeff' + input).encode(encoding)
output1 = yaml.emit(yaml.parse(input), allow_unicode=True)
if encoding is None:
stream = StringIO()
else:
stream = BytesIO()
yaml.emit(yaml.parse(input), stream, allow_unicode=True)
output2 = stream.getvalue()
assert isinstance(output1, str), (type(output1), encoding)
if encoding is None:
assert isinstance(output2, str), (type(output1), encoding)
else:
assert isinstance(output2, bytes), (type(output1), encoding)
output2.decode(encoding)
else:
if encoding is not None:
input = (u'\ufeff' + input).encode(encoding)
output1 = yaml.emit(yaml.parse(input), allow_unicode=True)
stream = 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) # NOQA
else:
assert isinstance(output1, str), (type(output1), encoding)
output1.decode(encoding)
assert isinstance(output2, str), (type(output2), encoding)
output2.decode('utf-8')
def _parse_unsafe(*args: Any, **kwargs: Any) -> None:
_exhaust(yaml.parse(*args, **kwargs))
def _parse_unsafe(*args, **kwargs): # type: (*Any, **Any) -> None
_exhaust(yaml.parse(*args, **kwargs))
def _parse_unsafe(*args, **kwargs): # type: (*Any, **Any) -> None
_exhaust(yaml.parse(*args, **kwargs))
def _parse_unsafe(*args, **kwargs):
_exhaust(yaml.parse(*args, **kwargs))