def testMap(self):
self.assert_(issubclass(_syck.Map, _syck.Node))
map = _syck.Map()
self.assertEqual(map.kind, 'map')
self.assertEqual(map.value, {})
self.assertEqual(map.anchor, None)
self.assertEqual(map.tag, None)
self.assertEqual(map.inline, False)
self.assertRaises(TypeError, lambda: setattr(map, 'kind', 'map'))
self.assertRaises(TypeError, lambda: setattr(map, 'tag', []))
self.assertRaises(TypeError, lambda: setattr(map, 'inline', 'block'))
self.assertRaises(TypeError, lambda: setattr(map, 'inline', []))
value = dict([(_syck.Scalar(str(k)), _syck.Scalar(str(-k)))
for k in range(10)])
map = _syck.Map(value, tag='a_tag', inline=True)
self.assertEqual(map.value, value)
self.assertEqual(map.tag, 'a_tag')
self.assertEqual(map.inline, True)
value = [(_syck.Scalar(str(k)), _syck.Scalar(str(-k)))
for k in range(20)]
map.value = value
map.tag = 'another_tag'
map.inline = False
self.assertEqual(map.value, value)
self.assertEqual(map.tag, 'another_tag')
self.assertEqual(map.inline, False)
map.tag = None
self.assertEqual(map.tag, None)
def represent_object(self, object): # Do you understand this? I don't.
cls = type(object)
class_name = '%s.%s' % (cls.__module__, cls.__name__)
args = ()
state = {}
if cls.__reduce__ is type.__reduce__:
if hasattr(object, '__reduce_ex__'):
reduce = object.__reduce_ex__(2)
args = reduce[1][1:]
else:
reduce = object.__reduce__()
if len(reduce) > 2:
state = reduce[2]
if state is None:
state = {}
if not args and isinstance(state, dict):
return _syck.Map(state.copy(),
tag="tag:python.yaml.org,2002:object:" +
class_name)
if not state and isinstance(state, dict):
return _syck.Seq(list(args),
tag="tag:python.yaml.org,2002:new:" +
class_name)
value = {}
if args:
value['args'] = list(args)
if state or not isinstance(state, dict):
value['state'] = state
return _syck.Map(value,
tag="tag:python.yaml.org,2002:new:" + class_name)
else:
reduce = object.__reduce__()
cls = reduce[0]
class_name = '%s.%s' % (cls.__module__, cls.__name__)
args = reduce[1]
state = None
if len(reduce) > 2:
state = reduce[2]
if state is None:
state = {}
if not state and isinstance(state, dict):
return _syck.Seq(list(args),
tag="tag:python.yaml.org,2002:apply:" +
class_name)
value = {}
if args:
value['args'] = list(args)
if state or not isinstance(state, dict):
value['state'] = state
return _syck.Map(value,
tag="tag:python.yaml.org,2002:apply:" +
class_name)
def represent(self, object):
"""Represents the given Python object as a 'Node'."""
if isinstance(object, dict):
return _syck.Map(object.copy(), tag="tag:yaml.org,2002:map")
elif isinstance(object, list):
return _syck.Seq(object[:], tag="tag:yaml.org,2002:seq")
else:
return _syck.Scalar(str(object), tag="tag:yaml.org,2002:str")
def testSyckBugWithComplexKeys(self):
broken = 0
for key in COMPLEX_ITEMS:
for value in COMPLEX_ITEMS:
node = _syck.Map({key: value})
emitter = _syck.Emitter(StringIO.StringIO())
emitter.emit(node)
parser = _syck.Parser(emitter.output.getvalue())
self.assertEqual(strip(node), strip(parser.parse()))
def testGarbage(self):
gc.collect()
seq = _syck.Seq()
seq.value = [seq]
del seq
self.assertEqual(gc.collect(), 2)
scalar1 = _syck.Scalar()
scalar2 = _syck.Scalar()
seq = _syck.Seq()
map1 = _syck.Map()
map2 = _syck.Map()
map1.value[scalar1] = seq
map1.value[scalar2] = map2
map2.value[scalar1] = map1
map2.value[scalar2] = seq
seq.value.append(map1)
seq.value.append(map2)
del scalar1, scalar2, seq, map1, map2
self.assertEqual(gc.collect(), 8)
def represent__syck_Node(self, object):
object_type = type(object)
type_name = '%s.%s' % (object_type.__module__, object_type.__name__)
state = []
if hasattr(object_type, '__slotnames__'):
for name in object_type.__slotnames__:
value = getattr(object, name)
if value:
state.append((name, value))
return _syck.Map(state,
tag="tag:python.yaml.org,2002:object:" + type_name)
def represent_instance(self, object):
cls = object.__class__
class_name = '%s.%s' % (cls.__module__, cls.__name__)
args = ()
state = {}
if hasattr(object, '__getinitargs__'):
args = object.__getinitargs__()
if hasattr(object, '__getstate__'):
state = object.__getstate__()
elif not hasattr(object, '__getinitargs__'):
state = object.__dict__.copy()
if not args and isinstance(state, dict):
return _syck.Map(state.copy(),
tag="tag:python.yaml.org,2002:object:" +
class_name)
value = {}
if args:
value['args'] = list(args)
if state or not isinstance(state, dict):
value['state'] = state
return _syck.Map(value,
tag="tag:python.yaml.org,2002:new:" + class_name)
def represent_object(self, object): # Borrowed from PyYAML.
cls = type(object)
if cls in copy_reg.dispatch_table:
reduce = copy_reg.dispatch_table[cls](object)
elif hasattr(object, '__reduce_ex__'):
reduce = object.__reduce_ex__(2)
elif hasattr(object, '__reduce__'):
reduce = object.__reduce__()
else:
raise RuntimeError("cannot dump object: %r" % object)
reduce = (list(reduce) + [None] * 3)[:3]
function, args, state = reduce
args = list(args)
if state is None:
state = {}
if function.__name__ == '__newobj__':
function = args[0]
args = args[1:]
tag = 'tag:python.yaml.org,2002:new:'
newobj = True
else:
tag = 'tag:python.yaml.org,2002:apply:'
newobj = False
function_name = '%s.%s' % (function.__module__, function.__name__)
if not args and isinstance(state, dict) and newobj:
return _syck.Map(
state.copy(),
'tag:python.yaml.org,2002:object:' + function_name)
if isinstance(state, dict) and not state:
return _syck.Seq(args, tag + function_name)
value = {}
if args:
value['args'] = args
if state or not isinstance(state, dict):
value['state'] = state
return _syck.Map(value, tag + function_name)
def represent_dict(self, object):
return _syck.Map(object.copy(), tag="tag:yaml.org,2002:map")
def testScalarWithAliasKeyBug(self):
node = _syck.Scalar('foo', tag='x-private:bug')
tree = _syck.Map({node: node})
self._testTree(tree)
def testEmptyCollectionWithAliasKeyBug(self):
node = _syck.Map()
tree = _syck.Map({node: node})
self._testTree(tree)
def testFlowCollectionKeyBug(self):
tree = _syck.Map({
_syck.Seq([_syck.Scalar('foo')], inline=True):
_syck.Scalar('bar')
})
self._testTree(tree)
def testCollectionWithTagKeyBug(self):
tree = _syck.Map({
_syck.Seq([_syck.Scalar('foo')], tag='x-private:key'):
_syck.Scalar('bar')
})
self._testTree(tree)
def testEmptyCollectionKeyBug(self):
tree1 = _syck.Map({_syck.Map(): _syck.Scalar('foo')})
self._testTree(tree1)
tree2 = _syck.Map({_syck.Seq(): _syck.Scalar('foo')})
self._testTree(tree2)
COMPLEX_EXAMPLE = _syck.Map({
_syck.Scalar('scalars'):
_syck.Seq([
_syck.Scalar(),
_syck.Scalar('on'),
_syck.Scalar('12345', tag="tag:yaml.org,2002:int"),
# Syck bug with trailing spaces.
# _syck.Scalar('long '*100, width=20, indent=5),
_syck.Scalar('long long long long long\n' * 100, width=20, indent=5),
_syck.Scalar('"1quote"', style='1quote'),
_syck.Scalar("'2quote'", style='2quote'),
_syck.Scalar("folding\n" * 10, style='fold'),
_syck.Scalar("literal\n" * 10, style='literal'),
_syck.Scalar("plain text", style='plain'),
]),
_syck.Scalar('sequences'):
_syck.Seq([
_syck.Seq([
_syck.Seq(
[_syck.Scalar('foo'),
_syck.Scalar('bar', style='literal')]),
],
inline=True),
_syck.Seq([
_syck.Scalar('foo'),
_syck.Scalar('bar'),
],
tag="x-private:myprivatesequence")
]),
_syck.Scalar('mappings'):
_syck.Seq([
_syck.Map({
_syck.Seq([_syck.Scalar('1'), _syck.Scalar('2')]):
_syck.Seq([_syck.Scalar('3'), _syck.Scalar('4')]),
_syck.Scalar('5'):
_syck.Scalar('6'),
}),
_syck.Map({_syck.Scalar('foo'): _syck.Seq([_syck.Scalar('bar')])},
inline=True,
tag="x-private:myprivatemapping"),
]),
_syck.Scalar('empty'):
_syck.Seq([
_syck.Scalar(),
_syck.Seq(),
_syck.Map(),
_syck.Map({
_syck.Scalar(tag='tag:yaml.org,2002:str'):
_syck.Scalar(tag='tag:yaml.org,2002:str')
}),
_syck.Map({_syck.Scalar('foo'): _syck.Scalar()}),
_syck.Map(
{_syck.Scalar(tag='tag:yaml.org,2002:str'): _syck.Scalar('bar')}),
]),
})